Class / Patent application number | Description | Number of patent applications / Date published |
073152230 | With sampling | 86 |
20090049904 | AUTOMATED FORMATION FLUID CLEAN-UP TO SAMPLING SWITCHOVER - Apparatus and method for downhole formation fluid sampling include conveying a carrier into a well borehole that traverses a subterranean formation of interest, the carrier having a port and placing the port in fluid communication with the subterranean formation of interest. The method includes urging a fluid into the port using a fluid control device, the fluid containing a formation fluid and a contaminant, generating a first signal indicative of a first fluid characteristic of the fluid using a first test device in communication with the fluid, and generating a second signal indicative of a second fluid characteristic of the fluid using a second test device in communication with the fluid. The first signal and the second signal are processed using a processing device to estimate a level of contamination in the fluid, and a control signal is generated when the estimated level of contamination meets a predetermined value, the control signal actuating the fluid control device to direct fluid having a level of contamination at about or below the predetermined value to a fluid sampling chamber carried by the carrier. | 02-26-2009 |
20090193884 | MOBILE VACUUM SAMPLING SYSTEM - A mobile vacuum sampling system comprising: an inlet; a first filter; a gas sample vacuum pump; a solenoid valve; a sample tube; a pressure gauge; a first block valve; a second filter; a micro filter; a gasifier; a gas analyzer; and a computational, recording and/or analysis display device; wherein a natural gas stream enters the gas sample vacuum pump via the inlet and is compressed to between 3 and 5 psig; wherein the sample tube collects natural gas to be analyzed; wherein the gas analyzer is portable; wherein the gas analyzer analyzes gas samples from the sample tube; and wherein the entire system is contained within a truck or other mobile unit. | 08-06-2009 |
20090241657 | SINGLE PHASE FLUID SAMPLING APPARATUS AND METHOD FOR USE OF SAME - An apparatus ( | 10-01-2009 |
20090241658 | SINGLE PHASE FLUID SAMPLING APPARATUS AND METHOD FOR USE OF SAME - An apparatus ( | 10-01-2009 |
20100116046 | SAMPLING DEVICE WITH DIAMOND-LIKE CARBON COATING - A diamond-like carbon coating is provided on a metal interior surface of a sample chamber of a well fluid sampling apparatus to render the sample chamber substantially impervious to the absorption of at least H | 05-13-2010 |
20100139386 | SYSTEM AND METHOD FOR MONITORING VOLUME AND FLUID FLOW OF A WELLBORE - An apparatus for estimating a parameter of a borehole disposed in an earth formation, the system includes: an injection unit configured to inject at least one radio frequency identification device (RFID) into a fluid configured to be disposed in the borehole; and a collection unit configured to receive at least a portion of the fluid, the collection unit comprising a detector that detects at least one of the at least one RFID and data contents thereof; wherein the detector provides output for estimating the parameter. A method for estimating a parameter of a borehole is also disclosed. | 06-10-2010 |
20100199757 | APPARATUS AND METHOD FOR TESTING RESERVOIR DRILLING FLUIDS FOR DRILLING UNCONSOLIDATED TAR SANDS - An apparatus and method for testing fluids to be used when drilling in unconsolidated sand formations includes a container having a first port and a second port and a plurality of perforations through which fluid can be communicated, a bore holder slidingly retained through a portion of the container between the first port and the second port, wherein the bore holder has a feed end and a discharge end, a bed of unconsolidated sand contained in the container in a compacted state surrounding the bore holder, a fluid distribution nozzle at the discharge end of the bore holder, a fluid source in fluid communication with the discharge end of the bore holder, wherein the fluid source provides a test fluid to the fluid distribution nozzle through the bore holder, wherein the bore holder is withdrawn from the container at a predetermined speed as the test fluid is communicated through the fluid distribution nozzle, thereby leaving a simulated well bore in the unconsolidated sand. | 08-12-2010 |
20100257926 | DOWNHOLE SENSOR SYSTEMS AND METHODS THEREOF - A sensor module for a sensing apparatus configured for operation downhole, within a borehole. The sensor module comprises a sensor array having a plurality of sensors to sense selected formation parameters and a control system for selective and independent operation of each sensor of the sensor array. Each sensor of the sensor array is configured or designed as a discrete sensor unit for individual and independent communication and control. Each sensor of the sensor array may have an associated electronics module that provides standardized electronic connectivity with the control system. | 10-14-2010 |
20100269579 | DETECTING GAS COMPOUNDS FOR DOWNHOLE FLUID ANALYSIS USING MICROFLUIDICS AND REAGENT WITH OPTICAL SIGNATURE - A gas separation and detection tool for performing in situ analysis of borehole fluid is described. The tool operates by introducing a reagent to a test sample and causing the resulting mixture to flow through a microfluidic channel where optical testing is performed. The optical testing detects a change in a characteristic of the reagent in response to expose to one or more particular substances in the test sample. The test sample may be borehole fluid, a mixture of borehole fluid and scrubbing fluid subsequently mixed with reagent, a mixture of reagent and gas separated from borehole fluid, or a mixture of scrubbing fluid and gas separated from borehole fluid which is subsequently mixed with reagent. A membrane may be employed to separate one or more target gasses from the borehole fluid. | 10-28-2010 |
20110174068 | Wireline Conveyed Single Phase Fluid Sampling Apparatus and Method for Use of Same - An apparatus ( | 07-21-2011 |
20120137764 | Detecting Gas Compounds For Downhole Fluid Analysis - A gas separation and detection tool for performing in situ analysis of borehole fluid is described. The tool comprises a sampling chamber for a downhole fluid. The sample chamber comprises a detector cell with an opening. The tool also comprises a gas separation module for taking a gas from the downhole fluid. The gas separation module comprises a membrane located in the opening, a support for holding the membrane, and a sealant applied between the housing and the membrane or support. Moreover, the tool comprises a gas detector for sensing the gas. | 06-07-2012 |
20140041446 | Apparatus and System for Passively Sampling Production Fluid from a Well - An apparatus and system for passively sampling production fluid from a well is presented. The passive sampling device is used to split two-phase flow and provide a driving pressure differential for a sampling system. Flow through sampling systems require a low pressure differential to be utilized to take a liquid sample, so that the sample retained remains isobaric. When performed in two-phase flow, the pressure differential needs to be relatively high, potentially yielding a non-isobaric sample. By separating out the liquid content of the flow, a low driving pressure is allowed to be used. Thus, this keeps the sample isobaric at a wide range of production flow rates. | 02-13-2014 |
20140157883 | DUAL FLOWLINE TESTING TOOL WITH PRESSURE SELF-EQUALIZER - Flowline pressure equalizer systems, methods and/or apparatuses for use on a downhole tool are provided. A pressure equalizer may be provided in communication with two flowlines. The pressure equalizer may use equalizing chambers and equalizing pistons to regulate pressure in one or both flowlines. Further, one or more flow routing modules may be interchangeable to further alter the flow scheme between the flowlines. Different plugs may house various flow routing configurations such that the plugs may be installed and/or removed in the tool string automatically or by a user. | 06-12-2014 |
20140182368 | Carry Over Meter - A separator is described as provided with a gas/liquid separator vessel, a sight glass, and a carry-over meter. The sight glass is positioned on the exterior of the gas/liquid separator vessel, and has a first inlet and a second inlet in fluid communication with a separation chamber of the gas/liquid separator vessel. The sight glass is further provided with a first outlet in fluid communication with the first inlet, and a second outlet in fluid communication with the second inlet. The sight glass has a tube extending between the first inlet and the second inlet with at least a portion of the tube being transparent to light in a visible range of wavelengths. The carry-over meter is provided with a first densitometer connected to the first outlet of the sight glass via piping and a second densitometer connected to the second outlet of the sight glass via piping. | 07-03-2014 |
20140250999 | METHOD AND SYSTEM FOR RESERVOIR SURVEILLANCE UTILIZING A CLUMPED ISOTOPE AND/OR NOBLE GAS DATA - A method is disclosed for producing hydrocarbons with the use of reservoir surveillance. The method includes interpreting a sample to determine noble gas signatures and clumped isotope signatures for the region of interest. Then, using the region of interest fingerprint to perform reservoir surveillance on produced fluids from the subsurface regions. | 09-11-2014 |
20140298899 | Drilling Fluid Sampling System and Sampling Heat Exchanger - A system for sampling drilling fluid to identify one or more species of interest within the drilling fluid includes a heat exchanger. The heat exchanger has a first fluid passage and a second fluid passage. Each fluid passage has an inlet and an outlet. In addition, the system includes a supply line coupled to the inlet of the first fluid passage. Further, the system includes a return line coupled to the outlet of the second fluid passage. Still further, the system includes a drilling fluid heater having an inlet coupled to the outlet of the first fluid passage and an outlet. The system also includes a drilling fluid degasser having an inlet coupled to the outlet of the heater, a first outlet coupled to an analyzer configured to identify the one or more species of interest, and a second outlet coupled to the inlet of the second fluid passage. | 10-09-2014 |
20150007647 | Acoustic Determination Of The Position Of A Piston Within A Sample Bottle - A method to determine a piston position in a sample bottle, having steps of providing a transducer near a chamber of the sample bottle, exciting the transducer to provide at least one wave of acoustic energy, propagating the acoustic energy through the chamber to a surface, reflecting the acoustic energy from the surface, receiving the acoustic energy at a receiver, determining a time of flight of the acoustic energy, and calculating the piston position from the time of flight of the acoustic energy. | 01-08-2015 |
20150007648 | Sampling Separation Module for Subsea or Surface Application - The disclosure describes a system to segregate, enrich and capture oil, water and gas samples from a multiphase flow. The system can be used in a subsea location, on the surface or in any other condition where it is connected to a flow of different phases of gas and/or liquid. The samples obtained are representative in composition of the phases flowing at well head conditions in terms of both pressure and temperature. Additionally, a relatively small volume of each phase is used in obtaining the samples. The system connects and disconnects to ports installed at the sampling location nearby the wellhead or the production line. The sampling flow is controlled by means of a pump. The collected samples are separated in mono (or nearly mono)—phase samples (oil, water and gas) and stored in individual bottles. | 01-08-2015 |
20150345289 | MICROFLUIDIC OSCILLATING TUBE DENSITOMETER FOR DOWNHOLE APPLICATIONS - Devices, methods and systems for determining one or more properties of at least one fluid sample. A tube configured to receive the at least one fluid sample wherein the tube is placed in a pressure housing. Further, an excitation source configured to generate vibration of the tube whereby a circulation of an electrical current along a portion of the tube is subjected to at least one magnetic field produced by at least one magnet. Further still, at least one vibration sensor that converts vibrations of the tube into a measurement signal. Finally, a processor that receives the measurement signal determines a resonant frequency from the measurement signal using a frequency measuring device to determine a property of the one or more properties of the at least one sample fluid. | 12-03-2015 |
20160115786 | System and Method for Analyzing a Gaseous Sample Extracted From a Drilling Fluid Coming From a Wellbore - The disclosure relates to a system and method for analyzing a gaseous sample extracted from a drilling fluid coming from a wellbore. The system comprises a surface assembly, situated outside of the wellbore and including:
| 04-28-2016 |
20160123142 | NO PURGE SAMPLER - A no purge sampler for collecting fluid samples includes a flexible tube having a sealed first end and a second end, the tube defining an interior cavity, a check valve disposed at the second end of the tube, and at least one aperture above the check valve. To collect fluid samples, the no purge sampler is lowered into the fluid to be sampled. The at least one aperture streamlines the tube as it is lowered into the fluid reducing drag-down and mixing. Once the sampler reaches the desired depth, the sampler is pulled upwards allowing fluid to enter the interior cavity. The sampler is then pulled out of the fluid without losing any of the fluid in the interior cavity of the tube or contaminating the sample with any extraneous fluid. | 05-05-2016 |
20160139085 | APPARATUS AND METHOD FOR ANALYSIS OF A FLUID SAMPLE - An method for analyzing a fluid comprises collecting a sample of the fluid and exposing the fluid sample to a light of a predetermined wavelength at a predetermined modulation frequency. An acoustic signal caused by the interaction of the light and the fluid sample is sensed, and the sensed acoustic signal is related to at least one component of the fluid. | 05-19-2016 |
20160168987 | Non-Invasive Compressibility and In Situ Density Testing of a Fluid Sample in a Sealed Chamber | 06-16-2016 |
073152240 | From formation wall | 26 |
20090038390 | Method and system for monitoring soil properties - The present application is directed to a method and apparatus for monitoring soil hydraulic properties, and for collecting soil pore-water samples, in relatively undisturbed soil conditions, by means of a vadose zone probe ( | 02-12-2009 |
20090158837 | APPARATUS AND METHODS TO PEFORM DOWNHOLE MEASUREMENTS ASSOCIATED WITH SUBTERRANEAN FORMATION EVALUATION - A system for testing a subterranean formation penetrated by a well includes a downhole tool configured to be coupled to a work string that includes a tool body having a longitudinal bore for circulating a fluid and at least one aperture configured to receive at least one module. The system further includes a plurality of modules that are each configured to engage the at least one aperture and at least one cavity configured for receiving a probe, and a plurality of probes that each include at least one orifice configured for testing the formation, wherein a first of the plurality of probes has a first configuration and a second of the plurality of probes has a second configuration. | 06-25-2009 |
20090314077 | DOWNHOLE SAMPLING APPARATUS AND METHOD FOR USING SAME - A reservoir sampling apparatus ( | 12-24-2009 |
20100147065 | MICROFLUIDIC METHODS AND APPARATUS TO PERFORM IN SITU CHEMICAL DETECTION - Example microfluidic methods and apparatus to perform in situ chemical detection are disclosed. A disclosed example downhole apparatus comprises a microfluidic chamber to introduce a microfluidic-scale drop of a reagent into a formation fluid to form a mixed fluid, a flowline to fluidly couple the formation fluid from a geologic formation to the microfluidic chamber, and a detector to measure a property of the mixed fluid, the property representative of a presence of a chemical in the formation fluid. | 06-17-2010 |
20100206063 | METHODS AND APPARATUS TO USE MULTIPLE SENSORS TO MEASURE DOWNHOLE FLUID PROPERTIES - Methods and apparatus to use multiple sensors to measure downhole fluid properties are described. An example method of measuring a property of a downhole fluid involves obtaining a plurality of measurements for each of a plurality of sensors. Each of the measurements corresponds to a same property of the downhole fluid, and each of the sensors is differently configured to measure the property. Additionally, the example method involves obtaining a plurality of weighting values, each of which corresponds to one of the sensors. The example method also involves applying the weighting values to the respective measurements obtained by each of the corresponding sensors to generate a weight-corrected measurement for each of the sensors. Further still, the example method involves generating a value representative of a measurement of the property of the downhole fluid based on the weight-corrected measurements and outputting the value representative of the measurement of the property. | 08-19-2010 |
20120055242 | DOWNHOLE SAMPLING - A reservoir sampling apparatus comprising at least one probe adapted to provide a fluid flow path between a formation and the inner of the apparatus with a heating projector adapted to project heat into the formation surrounding the probe and a controller to maintain the temperature in the formation below a threshold value. | 03-08-2012 |
20120234088 | Cylindrical Shaped Snorkel Interface on Evaluation Probe - A snorkel and pad for use with a formation testing tool is formed with a cylindrical geometry at the interface where the snorkel and pad contacts the inner surface of a borehole. The cylindrical geometry reduces or eliminates gaps that a flat interface surface would leave between the snorkel and the inner surface of the borehole, reducing the possibility that a surrounding pad could extrude through the gap. The snorkel is prevented from rotating during operation, ensuring the correct orientation of the cylindrical geometry interface surface relative to the inner surface of the borehole. The snorkel may be used as part of a formation testing system. | 09-20-2012 |
20130014576 | HIGH PRESSURE AND FLOW RATE PUMP USEFUL IN FORMATION FLUID SAMPLE TESTINGAANM PELLETIER; Michael T.AACI HoustonAAST TXAACO USAAGP PELLETIER; Michael T. Houston TX US - A pump can include two pistons, each piston having one side exposed to a support pressure and another side exposed to a respective annular chamber, the chambers being pressurized greater than the support pressure. Fluid can be discharged from one annular chamber and received into the other annular chamber by displacement of the pistons. A method of testing a fluid can include pressurizing the fluid in response to increasing a support pressure exposed to one side of each of two pistons, thereby increasing pressure in chambers exposed to respective other sides of the pistons, and then displacing the pistons, thereby flowing the fluid through a test manifold assembly. A fluid test system can include a pump having a support pressure exposed to sides of two pistons, and another side of each of the pistons being exposed to a respective annular chamber. Each annular chamber can be connected to a sensor. | 01-17-2013 |
20130019671 | OPTIMIZATION OF SAMPLE CLEANUP DURING FORMATION TESTING - Disclosed is a formation testing tool for extracting formation fluid from an earth formation penetrated by a borehole having a drilling fluid. The tool includes: a sample flow element configured to extract formation fluid from the formation in a sample zone; a sample zone seal forming a perimeter defining the sample zone; a contamination removal flow element configured to extract formation fluid contaminated with the drilling fluid from a contamination removal zone in the formation; a contamination removal zone seal forming a perimeter defining the contamination removal zone, which surrounds and excludes the sample zone; and a controller configured to control a sample flow rate in the sample flow element and a contamination removal flow rate in the contamination flow removal element in order to decrease an amount of time required to acquire a sample of the formation fluid having an acceptable amount of contamination. | 01-24-2013 |
20140033816 | Multi-Phase Region Analysis Method And Apparatus - A method and apparatus for measuring a presence of a multi-phase system is disclosed. The method includes positioning a fluid communication device of a down hole tool in a well bore, drawing fluid from the well bore to an evaluation cavity and sampling the fluid to determine a presence of a multi-phase system. | 02-06-2014 |
20140150545 | Scattering Detection from Downhole Optical Spectra - Obtaining in-situ, at a first time, first optical spectral data associated with a formation fluid flowing through a downhole formation fluid sampling apparatus, and then obtaining in-situ, at a second time after the first time, second optical spectral data associated with the formation fluid flowing through the downhole formation fluid sampling apparatus. A wavelength-independent scattering intensity within the formation fluid flowing through the downhole formation fluid sampling apparatus is then determined based on the first and second optical spectral data, and a wavelength-dependent scattering intensity within the formation fluid flowing through the downhole formation fluid sampling apparatus is determined based on the first and second optical spectral data. | 06-05-2014 |
20140174169 | APPARATUS AND METHOD FOR OBTAINING FORMATION FLUID SAMPLES - In one aspect, an apparatus for obtaining a fluid from a formation is disclosed that in one embodiment may include a fluid extraction device having a first probe and a second probe independently extendable form a tool body, a first fluid line and an associated first filter in fluid communication with the first probe for receiving the fluid from the formation and a second fluid line and an associated second filter in fluid communication with the second probe for receiving the fluid from the formation, and a first fixed scraper that cleans the first filter when the first probe is retracted from an extended position and a second fixed scraper that cleans the second filter when the second probe is retracted from an extended position. | 06-26-2014 |
20140196532 | Apparatus and Method for Obtaining Formation Fluid Samples Utilizing a Sample Clean-up Device - In one aspect, a method of obtaining a fluid from a formation is disclosed that in one embodiment may include: pumping fluid received by a first probe from the formation into the wellbore; pumping fluid received by a second probe from the formation into the wellbore; determining when the fluid received by one of the first and second probes is clean; and pumping the fluid received by the first probe into a sample chamber while collecting the formation fluid received by the second probe from the formation into a storage chamber having an internal pressure less than the pressure of the formation. | 07-17-2014 |
20140208841 | Passive Micro-vessel and Sensor - An electrically passive device and method for in-situ acoustic emission, and/or releasing, sampling and/or measuring of a fluid or various material(s) is provided. The device may provide a robust timing mechanism to release, sample and/or perform measurements on a predefined schedule, and, in various embodiments, emits an acoustic signal sequence(s) that may be used for triangulation of the device position within, for example, a hydrocarbon reservoir or a living body. | 07-31-2014 |
20140245826 | In-situ Detection and Analysis of Methane in Coal Bed Methane Formations with Spectrometers - The invention subject of this disclosure teaches a method of determining a production factor for a carbonaceous material reservoir, the method comprising: providing a well in a carbonaceous material reservoir; providing unsampled fluid at a depth in the well; placing a sensor adjacent to the unsampled fluid and performing a measurement on the unsampled fluid; using data from the measurement to determine a partial pressure of a solution gas in the carbonaceous material reservoir; and determining a production factor for the carbonaceous material reservoir from the partial pressure of the solution gas. | 09-04-2014 |
20140352421 | Flow Through Test Cell - An apparatus for preparing and testing a sample of a subterranean formation, the apparatus comprising a pressure cell defining an interior volume, the pressure cell comprising a first end member comprising a channel formed therein, a second end member, a wall member positioned between the first end member and the second end member, and a sample cell positioned within the interior volume of the pressure cell, wherein the channel of the first end member fluidly connects with a first point external of the pressure cell, with a second point external of the pressure cell, and with the sample cell. | 12-04-2014 |
20150337655 | PACKER ELEMENT WITH LAMINAR FLUID ENTRY - An apparatus for retrieving a fluid from a sampling zone in a borehole intersecting a formation may include a sampling tool having a port positioned in the sampling zone and a permeable media filling an annular space surrounding the port. The permeable media may include a circumferential support face, a first plurality of radial flow channels, and a second plurality of radial flow channels. The support face extends axially and uniformly along a length of the sampling zone. The circumferential support face contacts a borehole wall. The first plurality of radial flow channels conveys fluid between the borehole wall and the port. The second plurality of radial flow channels conveys fluid between the borehole wall and a location isolated from the port. | 11-26-2015 |
20160102548 | Closed Chamber Impulse Test with Downhole Flow Rate Measurement - An apparatus for performing a well test operation includes a tubular member having a surge chamber and a valve that can control fluid flow from a well into the surge chamber during the well test operation. The apparatus can also include a flow control device, in addition to the valve, for further controlling fluid flow into the surge chamber from the well. Flow rate and pressure data can be measured during the well test operation and used to estimate reservoir properties. Various other systems, devices, and methods are also disclosed. | 04-14-2016 |
073152250 | With a filter | 4 |
20090293605 | Device for Analyzing at Least One Gas Contained in a Liquid, in Particular a Drilling Fluid - The device comprises means ( | 12-03-2009 |
20100139387 | Methods and Systems for Characterizing LCM Particle Plugging and Rheology in Real Time - Methods and systems for characterizing drilling fluids laden with LCM (Lost Circulation Material) and other solid materials are disclosed. A test cell for analyzing a fluid is provided with a first conical inner portion and an axial positioning device positioned along an axis of the test cell. A first conical plug is coupled to the axial positioning device and is movable in and out of the first conical inner portion along the axis of the test cell. A fluid inlet is positioned at a first location on the test cell and a fluid outlet at a second location. | 06-10-2010 |
20140373618 | PRESSURE MEASUREMENT CELL FOR USE IN AN INFUSION OR INJECTION SYSTEM - A pressure measurement cell for use in an infusion or injection system for the injection of a fluid, with a housing in which at least one filter unit, through which the fluid under pressure is conducted, and at least one pressure transducer for the detection of the pressure of the fluid flowing from the filter unit are located. Such a pressure measurement cell is pressure-stable, causes only a slight pressure decline in the hose system of the infusion or injection system, can be produced at low cost, and makes possible a simple installation and handling when the hose system is inserted into a hose pump. | 12-25-2014 |
20150354300 | FLEXURE MEMBRANE FOR DRILLING FLUID TEST SYSTEM - A disclosed dynamic receiver includes a housing defining a receiver chamber and having a first end cap at one end of the housing and a second end cap at an opposing end of the housing, a flexure membrane arranged within the receiver chamber and providing a membrane wall having a first end that is closed and arranged adjacent a fluid inlet into the receiver chamber and a second end that is open and secured to an inner wall of the receiver chamber, and a piston assembly movably arranged in the receiver chamber and including a piston head and a piston rod extending axially from the piston head, wherein, as filtrate from a test fluid enters the fluid inlet, the filtrate acts on the flexure membrane such that hydraulic fluid disposed within the membrane cavity is displaced and thereby moves the piston assembly axially within the receiver chamber. | 12-10-2015 |
073152260 | With sealing detail | 4 |
20080223125 | METHOD AND APPARATUS FOR COLLECTING SUBTERRANEAN FORMATION FLUID - An apparatus and method for collecting a fluid from a subterranean formation are disclosed. An elongated probe is coupled to a carrier, and the probe engages a borehole wall to form a seal therewith. The elongated probe has an inner wall defining a cavity within the elongated probe. A sleeve member extends axially through the cavity, the sleeve member having a fluid flow path within the sleeve member, the flow path being in fluid communication with the cavity. At least one fluid moving device is associated with the sleeve member and the cavity that urges fluid from the formation into the elongated probe. The fluid moving device operates on fluid entering the probe to control a first flow rate in the cavity and a second flow rate in the sleeve member flow path. | 09-18-2008 |
20080295588 | FORMATION TESTER TOOL SEAL PAD - A formation tester tool includes a formation tester tool body having a surface, a formation probe assembly located within the formation tester tool body, the formation probe assembly including a piston reciprocal between a retracted position and an extended position beyond the surface of the formation tester tool body, the piston being slidingly retained within a chamber, and a seal pad located at an end of the piston, wherein the seal pad includes a first inner sealing element and a second outer sealing element. | 12-04-2008 |
20090151443 | HIGH PRESSURE SCREEN FLOW-THROUGH TESTING DEVICE - A screen test apparatus includes a test cell disposed within a pressure vessel, a piston disposed within the pressure vessel, wherein the piston is in sealing contact with an inner surface of the pressure vessel, and a screen assembly disposed in an end of the test cell. The screen assembly includes a mount collar, a screen disposed in the mount collar, and an end cap adjacent the screen which includes grooves in a face adjacent the screen and passages extending through the end cap, wherein the screen assembly is configured to fully support the screen while allowing a fluid to pass through the screen. | 06-18-2009 |
20100083748 | ELONGATED PROBE - A formation testing probe assembly comprising an elongated packer having a surface configured to be urged by the probe assembly towards a wall of a wellbore extending through the formation. The formation testing probe assembly further comprises a plate embedded in the elongated packer and including a central structural portion extending along a centerline of a substantial length of the plate, wherein the central structural portion is substantially thicker than remaining portions of the plate. | 04-08-2010 |
073152270 | Pressure | 12 |
20090235730 | METHOD FOR CLEANING AN OIL FIELD CAPILLARY TUBE - A method and apparatus for removing deposits formed within a capillary tube that has been used to deliver treatment chemicals into a well. The method includes pumping a cleaning solution through the capillary tube coil, preferably after the capillary tube has been removed from the well and formed as a coil. The cleaning solution comprises at least 20 weight percent of a surfactant or dispersant, at least 5 weight percent of a coupling agent, and at least 10 weight percent solvent. A preferred surfactant or dispersant is selected from the group consisting of an alkyl-aryl sulphonate and a phosphate ester. An example of a cleaning solution includes dodecylbenzeneylsulphonic (DDBSA) acid, ethylene glycol monobutyl ether and toluene. | 09-24-2009 |
20090266154 | IN-BOREHOLE GAS MONITOR APPARATUS AND METHOD - A self-contained in-borehole gas monitor (IGM) apparatus ( | 10-29-2009 |
20100050760 | METHODS AND APPARATUS FOR DECREASING A DENSITY OF A DOWNHOLE FLUID - Methods and apparatus for decreasing a density of a downhole fluid are described. An example apparatus to analyze a downhole fluid includes a chamber to decrease a density of at least a portion of a sample of a downhole fluid. Additionally, the example apparatus includes a sensor to measure a pressure of at least the portion of the sample in the chamber. Further, the example apparatus includes a fluid measurement unit to measure a characteristic of at least the portion of the sample based on a relationship between the pressure of at least the portion of the sample in the chamber and a predetermined pressure. Further yet, the example apparatus includes a control unit to determine a parameter of the downhole fluid based on the characteristic. | 03-04-2010 |
20100083749 | PROBE FOR PRESSURE METER - The invention relates to a probe intended to be fitted to a pressure meter and including a fluid dispenser ( | 04-08-2010 |
20100132449 | SYSTEM AND METHOD FOR ANALYSIS OF WELL FLUID SAMPLES - A system and method facilitates the analysis and sampling of well fluid. A sampling and data collection device is used to detect well fluid properties in situ at a flowline installation. In an exemplary embodiment, the sampling and data collection device comprises a sample collection system having a probe adapted to selectively insert into and selectively retract from the flowline to collect a fluid sample, and a sensor system to determine PVT data in situ at the location where the probe is inserted into the flowline. | 06-03-2010 |
20100154529 | Methods and apparatus to evaluate subterranean formations - Methods and apparatus to evaluate subterranean formations are described. An example method of evaluating a subterranean formation includes, obtaining a first sample from a first wellbore location. Additionally, the example method includes obtaining a second sample from a second wellbore location different than the first wellbore location. Further, the example method includes mixing the first sample with the second sample in a flowline to obtain a substantially homogenous mixture. Further still, the example method includes measuring a parameter of the mixture to evaluate the subterranean formation. | 06-24-2010 |
20110016963 | DEVICE FOR PRESSURE TESTING OF PIPES - A device is described for combined fluid replacement and pressure testing in pipes with inaccessible end points. The device is characterised in that it is a two-piece circulation valve structure comprising: a first valve unit ( | 01-27-2011 |
20120304757 | METHODS AND APPARATUS TO ESTIMATE FLUID COMPONENT VOLUMES - Methods of and apparatus to estimate one or more volumes of one or more components of a fluid in a sample chamber of a downhole tool are described. An example method includes obtaining a sample chamber volume measurement, a flowline volume measurement and a supplemental volume measurement. The example method includes drawing the fluid into the sample chamber until the sample chamber is substantially full and measuring a characteristic of the fluid in the sample chamber at a first time to obtain a first characteristic measurement. The example method also includes adding a supplemental volume corresponding to the supplemental volume measurement to over-pressurize the sample chamber after measuring the characteristic at the first time and measuring the characteristic of the fluid in the sample chamber at a second time to obtain a second characteristic measurement. The second time is after the sample chamber is over-pressurized. In addition, the example method includes calculating a first volume of a first component of the one or more components of the fluid based on the first characteristic measurement, the second characteristic measurement, the sample chamber volume measurement, the flowline volume measurement and the supplemental volume measurement. | 12-06-2012 |
20130036811 | IN-BOREHOLE GAS MONITOR APPARATUS AND METHOD COMPRISING A VOC CONCENTRATION ANALYSER AND A VOC COLLECTOR - In-Borehole Gas Monitor Apparatus and Method An in-borehole gas monitor (IGM) apparatus comprising a VOC concentration analyser and a VOC collector. | 02-14-2013 |
20130199286 | Non-Invasive Compressibility and In Situ Density Testing of a Fluid Sample in a Sealed Chamber - In situ density and compressibility of a fluid sample are determined for a fluid sample collected downhole. The density and compressibility of the fluid sample is determined by measuring a distance to a piston contained within the sample chamber using an external magnetic field sensor that senses a magnetic field emanating from a magnetic provided on the piston internal to the sample chamber. The testing is performed quickly and at the surface in a noninvasive fashion (i.e., without opening the sample chamber). | 08-08-2013 |
20140182369 | SLOT TESTER - A method for using a drilling fluid test device including a test cell including a perforated plate disposed proximate a first end of the test cell, a piston disposed within the cell, a first chamber formed between the perforated plate and the piston, the first chamber configured to receive lost circulation material (LCM), a second chamber formed between the piston and a second end of the test cell, the piston providing a seal between the first and second chambers, a fluid inlet disposed proximate the second end of the test cell configured to introduce fluid into a second chamber of the test cell, a filtrate outlet disposed proximate the first end of the test cell to discharge filtrate, and a pump in communication with the fluid inlet. | 07-03-2014 |
20160168988 | Non-Invasive Compressibility and In Situ Density Testing of a Fluid Sample in a Sealed Chamber | 06-16-2016 |
073152280 | Downhole | 25 |
20080257031 | Apparatus and Method for Actuating a Pressure Delivery System of a Fluid Sampler - An apparatus for actuating a pressure delivery system of a fluid sampler. The apparatus includes a housing ( | 10-23-2008 |
20090071239 | METHODS FOR OPTIMIZING PETROLEUM RESERVOIR ANALYSIS - Described herein are methods for optimizing petroleum reservoir analysis and sampling using a real-time component wherein heterogeneities in fluid properties exist. The methods can help predict the recovery performance of oil such as, for example, heavy oil, which can be adversely impacted by fluid property gradients present in the reservoir. | 03-19-2009 |
20090095066 | Vadose zone pore liquid sampling system - A method and apparatus for collection of pore water samples from a subsurface geologic formation, especially a vadose zone formation having high capillary tension. The method consists of injection of a fluid with known tracer concentrations therein into the formation. The injected displacement fluid develops a wetting front which carries with it the ambient pore water. The mixture of pore water and tracer-bearing displacement fluid is absorbed by a collection system, such as an absorbent member or pumping system. The injection and collection system are attached to a sealing borehole liner for emplacement in a borehole in the formation, and for other functions. Water samples collected in the collector system may be recovered by inversion of the liner, or alternatively by pumping. Samples thus removed from the borehole may be evaluated for chemicals, such as contaminants. The use of the tracer permits pore water characteristics to be distinguished from the motivating displacement fluid. Apparatuses for performing the foregoing functions are described. | 04-16-2009 |
20090199630 | FIBER OPTIC SENSOR SYSTEM USING WHITE LIGHT INTERFEROMETERY - A downhole fiber optic apparatus for acquiring downhole information includes a carrier conveyable in a borehole, an electromagnetic energy emitter coupled to the carrier, and a fiber optic sensor that receives electromagnetic energy emitted from the electromagnetic energy emitter and generates an optical output signal representative of the downhole information. A method for acquiring downhole information includes conveying a carrier in a borehole, emitting electromagnetic energy from an electromagnetic energy emitter coupled to the carrier, receiving electromagnetic energy emitted from the electromagnetic energy emitter with a fiber optic sensor, and generating an optical signal representative of the downhole information using the fiber optic sensor. | 08-13-2009 |
20090235731 | METHODS AND APPARATUS FOR ANALYSIS OF DOWNHOLE COMPOSITIONAL GRADIENTS AND APPLICATIONS THEREOF - A method and system for characterizing compositional and fluid property gradients of a reservoir of interest and analyzing properties of the reservoir of interest based upon such gradients. | 09-24-2009 |
20090293606 | APPARATUS FOR ACTUATING A PRESSURE DELIVERY SYSTEM OF A FLUID SAMPLER - An apparatus for actuating a pressure delivery system of a fluid sampler. The apparatus includes a housing ( | 12-03-2009 |
20090301184 | APPARATUS FOR ACTUATING A PRESSURE DELIVERY SYSTEM OF A FLUID SAMPLER - An apparatus for actuating a pressure delivery system of a fluid sampler. The apparatus includes a housing ( | 12-10-2009 |
20100050761 | DETECTING GAS COMPOUNDS FOR DOWNHOLE FLUID ANALYSIS - A gas separation and detection tool for performing in situ analysis of borehole fluid is described. A separation system such as a membrane is employed to separate one or more target gasses from the borehole fluid. The separated gas may be detected by reaction with another material or spectroscopy. When spectroscopy is employed, a test chamber defined by a housing is used to hold the gas undergoing test. Various techniques may be employed to protect the gas separation system from damage due to pressure differential. For example, a separation membrane may be integrated with layers that provide strength and rigidity. The integrated membrane separation may include one or more of a water impermeable layer, gas selective layer, inorganic base layer and metal support layer. The gas selective layer itself can also function as a water impermeable layer. The metal support layer enhances resistance to differential pressure. Alternatively, the chamber may be filled with a liquid or solid material. | 03-04-2010 |
20100089141 | DOWNHOLE ANNULAR MEASUREMENT SYSTEM AND METHOD - A downhole measurement system may comprise an optional fluid inlet section configured to accommodate fluid flow between a well and a zone surrounding the well. The system may further comprise a flow conditioning section configured to receive the fluid from the fluid inlet section. The flow conditioning section may be configured to produce a substantially homogenized fluid flow. In addition, a measuring section may be provided and configured to measure at least a portion of the fluid flow from the flow conditioning section. The measuring section characterizes a parameter of the fluid flow. In other embodiments, there may be a method for characterizing a parameter of a fluid flow comprising the steps of directing the fluid flow to a flow conditioning section. Other steps may be conditioning the fluid flow to a substantially homogeneous state and measuring a parameter for at least a portion of the fluid flow. | 04-15-2010 |
20100095758 | APPARATUS AND METHODS FOR COLLECTING A DOWNHOLE SAMPLE - Methods and apparatus for collecting a downhole sample are provided. The method may include conveying a sampling tool in a borehole using a first carrier, conveying a sample container in the borehole using a second carrier, and introducing a downhole sample from the sampling tool to the sample container. An apparatus includes a sampling tool disposed on a first carrier, a sample container disposed on a second carrier, wherein the first carrier and the second carrier are independently conveyable in a borehole, and a coupling connectable to the sampling tool and the sample container. | 04-22-2010 |
20100132450 | METHODS FOR OPTIMIZING PETROLEUM RESERVOIR ANALYSIS - Methods for optimizing petroleum reservoir analysis and sampling using a real-time component wherein heterogeneities in fluid properties exist. The methods help predict the recovery performance of oil such as, for example, heavy oil, which can be adversely impacted by fluid property gradients present in the reservoir. Additionally, the methods help optimize sampling schedules of the reservoir, which can reduce overall expense and increase sampling efficiency. The methods involve the use of analytical techniques for accurately predicting one or more fluid properties that are not in equilibrium in the reservoir. By evaluating the composition of downhole fluid samples taken from the reservoir using sensitive analytical techniques, an accurate base model of the fluid property of interest can be produced. With the base model in hand, real-time data can be obtained and compared to the base model in order to further define the fluid property of interest in the reservoir. | 06-03-2010 |
20100175467 | SYSTEM AND METHOD FOR SAMPLING AND ANALYZING DOWNHOLE FORMATION FLUIDS - A device for sampling fluid from an earth formation is disclosed. The device includes: an inlet port disposable in fluid communication with the fluid in a borehole; an injector including an injection chamber in fluid communication with the inlet port, the injector configured to receive a portion of the fluid and direct the fluid toward an analysis unit for analyzing constituent materials in the fluid; and a high pressure valve configured to admit the portion of the fluid at a borehole pressure and release the portion of the fluid into the injector, the portion having a volume that is less than or equal to about one microliter. A system and method for analyzing constituents of fluid in a borehole in an earth formation is also disclosed. | 07-15-2010 |
20110083501 | VIBRATING WIRE VISCOMETERS - Vibrating wire viscometers are disclosed. An example apparatus to determine the viscosity of a downhole fluid is described, the apparatus including a wire to be immersed in a downhole fluid, to vibrate when an alternating current is applied to the wire within a magnetic field, and to generate an electromotive force when vibrating within the magnetic field, the wire comprising a first resistance. The apparatus further includes a nulling circuit coupled to the wire, wherein the nulling circuit comprises a second resistance that is selectable to be substantially equal to the first resistance, and an analyzer coupled to the wire and the nulling circuit to determine the first resistance, the second resistance, and a viscosity of the downhole fluid based on the first and second resistances, at least one characteristic of the wire, and the electromotive force. | 04-14-2011 |
20120000279 | Fluid Expansion in Mud Gas Logging - Apparatus and methods for fluid expansion in mud gas logging to determine downhole the composition of a downhole hydrocarbon fluid sample by expanding the sample using an incrementally adjustable piston or a series of fixed chambers to extract vapor containing composition components of interest. | 01-05-2012 |
20120285232 | SAMPLE CHANNEL FOR A SENSOR FOR MEASURING FLUID PROPERTIES - A downhole tool includes a body that includes a sample port through which a sample fluid can be drawn into the downhole tool and a sample channel passing through the body in fluid communication with the sample port and through which the sample fluid travels. The sample channel includes a sample chamber having an inlet and an outlet located along the sample channel, the sample chamber including three cylindrical chambers including a middle resonator cavity surrounded by two outer resonator cavities, one of the two outer resonator cavities including a sensor inlet for receiving a sensor and allowing it to fluidly contact the sample fluid as it travels through the sample channel. | 11-15-2012 |
20130145837 | Downhole Sensor Systems and Methods Thereof - A sensor module for a sensing apparatus configured for operation downhole, within a borehole. The sensor module comprises a sensor array having a plurality of sensors to sense selected formation parameters and a control system for selective and independent operation of each sensor of the sensor array. Each sensor of the sensor array is configured or designed as a discrete sensor unit for individual and independent communication and control. Each sensor of the sensor array may have an associated electronics module that provides standardized electronic connectivity with the control system. | 06-13-2013 |
20130319102 | Downhole Tools and Oil Field Tubulars having Internal Sensors for Wireless External Communication - A downhole tool has a housing assembly with an interior and an exterior. A sensor is disposed to the interior of the housing assembly. The sensor is operable to obtain data relative to a fluid parameter of a fluid disposed within the interior of the housing assembly and operable to wirelessly transmit the data to a data acquisition device disposed to the exterior of the housing assembly responsive to interrogation by the data acquisition device. | 12-05-2013 |
20140069184 | Passive Sampling Device and Method of Sampling and Analysis - The invention provides a device and method to quantitatively measure concentrations of volatile organic compound vapors below the ground surface using a preferably “fully” passive device that is placed in a drilled or bored hole for a specified period of time, wherein the sampler constrains the uptake rate to match values that minimize or eliminate the starvation effect and provide acceptable sensitivity for most soil types as calculated via mathematical models. | 03-13-2014 |
20140360257 | System And Method For Estimating Oil Formation Volume Factor Downhole - A system includes a downhole formation fluid sampling tool and a processor. An optical spectrometer of the downhole formation fluid sampling tool is able to measure an optical characteristic of a formation fluid flowing through the downhole formation fluid sampling tool over a plurality of wavelengths. The optical spectrometer generates optical spectra data indicative of this optical characteristic. The processor is designed to receive the optical spectra data generated by the optical spectrometer and to estimate a formation volume factor of the formation fluid based on the optical spectra data. | 12-11-2014 |
20150135816 | Water Line Control For Sample Bottle Filling - An arrangement for sampling a fluid, having a sample bottle with an associated piston, wherein the piston separates the sample bottle into an inlet side and a water side, a fluid sample line connected to the sample bottle at the inlet side, the fluid sample line transporting a fluid, a solenoid connected to the sample bottle on the water side of the sample bottle and a check valve connected to the sample bottle on the water side of sample bottle, wherein fluid enters the sample bottle on the inlet side upon actuation of at least one of the solenoid and the check valve on the water side of the sample bottle. | 05-21-2015 |
20160032718 | SOLVENT EXTRACTION AND ANALYSIS OF FORMATION FLUIDS FROM FORMATION SOLIDS AT A WELL SITE - Systems and methods for extracting and analyzing formation fluids from solids circulated out of a subterranean formation are provided. In one embodiment, the methods comprise: providing a sample of formation solids that have been separated from a fluid circulated in at least a portion of a well bore penetrating a portion of a subterranean formation at a well site; performing a solvent extraction on the sample of formation solids using one or more solvents at an elevated pressure at the well site, wherein at least a portion of one or more formation fluids residing in the formation solids is extracted into the one or more solvents to produce an extracted fluid; and analyzing the extracted fluid at the well site to determine the composition of the extracted fluid. | 02-04-2016 |
20160047225 | METHOD FOR SLENDER TUBE, MULTI-LEVEL, SUBSURFACE BOREHOLE SAMPLING SYSTEM - Methods and systems for allowing the use of very small-diameter sample tubing, with a flexible borehole liner, in multi-level water sampling systems deployed in subsurface boreholes. Methods are disclosed for determining depth distances to a ground water table, in a borehole, without the need to lower a pressure transducer into a sampling tube. | 02-18-2016 |
20160070016 | DOWNHOLE SENSOR, ULTRASONIC LEVEL SENSING ASSEMBLY, AND METHOD - A downhole sensor including a body configured for attachment to a downhole pump. The body having a fluid receiving portion; and, an ultrasonic transducer supported by the body; wherein ultrasonic pulses transmitted by the ultrasonic transducer are directed towards the fluid receiving portion, and reflected waves receivable by the ultrasonic transducer are indicative of a liquid fluid level and type of fluid within the fluid receiving portion. A method of determining a liquid fluid level and a type of fluid adjacent a downhole pump. | 03-10-2016 |
20160090837 | Vibrating Wire Viscometer and Cartridge for The Same - A vibrating wire viscometer and cartridge for the same are provided. The cartridge includes a body member with a flowline for passing fluid, an electrically conductive wire disposed in the flowline, first and second electrically conductive posts, and a connector having first and second electrically conductive terminals. The first and second posts are mechanically coupled to the body member to hold the wire in tension within the flowline. The first and second terminals are connected to the first and second posts for applying an alternating electric current to the wire, respectively. | 03-31-2016 |
20160177713 | REALTIME DOWNHOLE SAMPLE VOLUME COLLECTION | 06-23-2016 |