Entries |
Document | Title | Date |
20090007652 | OPTICAL SENSOR FOR MEASURING DOWNHOLE INGRESS OF DEBRIS - An optical sensing member within the anullus zone of a well is disclosed, which sensing member determines the level of debris in the well. When debris accumulates within the anullus zone, said sensing member returns a signal indicative of the level of such debris within the zone. The optical sensing member may include an optical fiber and/or any known optical sensors configured to determine strain, pressure, shape, force, and/or temperature. | 01-08-2009 |
20100263441 | MULTIPLE STAGE MECHANICAL DRIFT TOOL - A downhole tool for measuring a diameter within a borehole includes a mandrel having a first end and a second end with an axis defined therethrough. A tapered surface is formed on an outside surface of the mandrel such that a first end of the tapered surface has a larger diameter than a second end of the tapered surface. The downhole tool further includes a collet disposed about the mandrel such that the collet is configured to move along the axis of the mandrel with respect to the mandrel in a direction from the first end of the mandrel to the second end of the mandrel. A method of measuring a diameter within a borehole, using a downhole tool including a mandrel having a first end, a second end, and an axis defined therethrough; and a collet disposed about the mandrel, the method includes: disposing the downhole tool into the borehole such that the first end of the mandrel enters the borehole before the second end of the mandrel; and applying a force to the second end of the downhole tool, upon the downhole tool contacting an obstruction in the borehole. Based on the force applied to the downhole tool, the collet moves along the axis of the mandrel with respect to the mandrel such that an outer diameter of the downhole tool decreases. A method of manufacturing a downhole tool for measuring a diameter within a borehole includes providing a mandrel having a first end and a second end with an axis defined therethrough, forming a tapered surface on an outside surface of the mandrel such that a first end of the tapered surface has a larger diameter than a second end of the tapered surface; and disposing a collet about the mandrel such that the collet is configured to move along the axis of the mandrel with respect to the mandrel in a direction from the first end of the mandrel to the second end of the mandrel. | 10-21-2010 |
20100313646 | System and Method for Associating Time Stamped Measurement Data with a Corresponding Wellbore Depth - A system and a method for associating measurements from a wellbore with times and depths is provided. Tools located in a wellbore obtain the measurements and provide time data used to determine the times. The tools and a surface clock may be synchronized. The times may be used to associate the measurements with corresponding depths of the wellbore. | 12-16-2010 |
20110056288 | POSITION INDICATING MULTIPLEXED CONTROL SYSTEM FOR DOWNHOLE WELL TOOLS - Position indication in multiplexed downhole well tools. A method of selectively actuating and indicating a position in a well includes selecting at least one well tool from among multiple well tools for actuation by flowing direct current in one direction through a set of conductors in the well, the well tool being deselected for actuation when direct current flows through the set of conductors an opposite direction; and detecting a varying resistance across the set of conductors as the selected well tool is actuated, the variation in resistance providing an indication of a position of a portion of the selected well tool. | 03-10-2011 |
20110185806 | METHOD AND APPARATUS FOR PRECISE POSITIONING OF A BOREHOLE MEASUREMENT INSTRUMENT - A system and method for use in a downhole tool having distance measurement, feature detection, and primary measurement devices positioned therein are provided. In one example, the method includes recording a first plurality of features and corresponding positions in a first log using the feature detection device and the distance measurement device, respectively. A first feature of the first plurality of features is selected and the position corresponding to the first feature is identified. The feature detection device is aligned relative to the first feature based on the identified position. A first primary measurement is taken using the primary measurement device while the feature detection device is aligned relative to the first feature. The steps of recording, selecting, moving, and taking are repeated to obtain a second primary measurement while the feature detection device is aligned relative to a second feature of a second plurality of features. | 08-04-2011 |
20110247409 | APPARATUS AND METHOD FOR MEASURING BORES - An apparatus for the industrial measurement of bores in a measurement object is provided. The apparatus includes a measurement probe which can be introduced into the bore and at which at least one distance sensor is provided with which the instantaneous distance of a reference point of the measurement probe from a wall of the bore can be determined The measurement probe is rotatably supported at a holder which is fixed with respect to the measurement object and/or whose position relative to the measurement object is known. An evaluation device receives a number of sequentially determined distances in the course of a rotation of the measurement probe. | 10-13-2011 |
20120006109 | BOREHOLE SENSING AND CLAMPING SYSTEMS AND METHODS OF USING THE SAME - A sensing system configured for use in a borehole. The sensing system includes a body portion and a clamp arm engaged with the body portion. The clamp arm is configured to move between a retracted position and an extended position. The sensing system also includes an energy storage element engaged with the body portion. The energy storage element provides energy to move the clamp arm from the retracted position to the extended position. A method of using the sensing system is also provided. | 01-12-2012 |
20120017674 | SMART SEALS AND OTHER ELASTOMER SYSTEMS FOR HEALTH AND PRESSURE MONITORING - Disclosed is an apparatus for monitoring a material configured to perform one or more functions or for actuating the material. One or more electrodes are coupled to the material. An electronic device is coupled to the one or more electrodes and is configured to detect an electrical characteristic of the material to monitor the material or to apply an electrical stimulus to actuate the material. | 01-26-2012 |
20120073363 | Ding Inspection Device - Visual inspection of an interior bottom of a borehole by means of measuring the sediment thickness at the bottom. An inspection device to be lowered in the borehole and then to be retrieved. The bottom sediment thickness is marked on the piston by a collar attached to the piston. | 03-29-2012 |
20120131996 | METHOD AND APPARATUS FOR LOGGING A WELLBORE - A method and apparatus for logging a wellbore with a translating arm set is provided. The translating arm set has at least one translating sensor pad for measuring at least one downhole parameter. The translating arm set has at least one translating extendable arm extendable from the downhole tool for locating each of the at least one translating sensor pads proximate the wellbore wall. The translating arm set has an actuator for translating the at least one translating arm set along a longitudinal axis of the downhole tool whereby the translating sensor pad is positionable at a selected longitudinal position relative to the downhole tool. | 05-31-2012 |
20120152013 | METHODS AND SYSTEMS FOR ACQUIRING ACCELERATION WAVEFORMS IN A BOREHOLE - Methods and apparatus for acquiring acceleration waveform measurements while deploying a tool along a borehole. A conveyance and a sensor section are configured to deploy the sensor section in the borehole. At least one multi-axis receiver is configured to detect acceleration waveform signals while the sensor section is being deployed in the borehole. | 06-21-2012 |
20120210780 | METHOD FOR DETECTING STRUCTURAL STABILITY OF OBJECT AREA AND APPARATUS FOR THE SAME - A method and apparatus are provided for detecting a structural stability of an object area. The method and apparatus include disposing a plurality of electrodes in the object area along a depth direction of the object area, surrounding the electrodes with a filling material; measuring a micro potential difference via the electrodes, generating a micro potential difference when the filling material is deformed by a force according to a change of the object area; and determining the structural stability of the object area based upon the measured micro potential difference. | 08-23-2012 |
20130042677 | Method For Quantitatively Assessing Connectivity For Well Pairs At Varying Frequencies - Method for quantitatively assessing connectivity for well pairs at varying frequencies. A time series of measurements ( | 02-21-2013 |
20130091943 | Tracer Identification of Downhole Tool Actuation - A technique provides a system and method utilizing a well system having a plurality of tools with actuatable components. The well system also comprises tracer elements which are unique with respect to corresponding tools of the well system. The tracer elements are positioned and oriented to open when physically engaged by the actuatable component of a corresponding tool. Released tracer material from the tracer element may be detected to confirm actuation of a specific tool in the well system. | 04-18-2013 |
20130091944 | SYSTEMS AND METHODS OF DETERMINING PARAMETER VALUES IN A DOWNHOLE ENVIRONMENT - Systems and methods of determining parameter values in a downhole environment are described. An example method of determining a parameter value using calibration information is described. The calibration information corresponding to different parameter ranges in a downhole environment. The method includes determining a parameter range in the downhole environment using a controller and obtaining first calibration information or second calibration information based on the parameter range. The first calibration information associated with a first parameter range and the second calibration information associated with a second parameter range. The method also includes receiving an output signal from a sensor associated with the parameter and using the obtained calibration information to determine the parameter value based on the output signal received. | 04-18-2013 |
20130104643 | TOOL FOR TESTING DOWNHOLE TUBING | 05-02-2013 |
20130104644 | Coiled Member Measuring Device | 05-02-2013 |
20130125642 | SENSOR DEVICE FOR A DOWN HOLE SURVEYING TOOL - A down hole surveying tool ( | 05-23-2013 |
20130327138 | Systems and Methods for Distributed Downhole Sensing Using a Polymeric Sensor System - Systems and methods for distributed downhole sensing in which a polymeric sensor system is coupled to one or more pieces of downhole equipment. The polymeric sensor system has multiple electric or nano sensors embedded in a polymeric material such as a tape that can be applied to the downhole equipment to sense parameters at multiple, physically distributed locations. A monitoring unit at the surface of the well may receive data from the embedded sensors. A control unit at the surface of the well may communicate control information through the polymeric sensor system to electrically controlled equipment downhole, eliminating the need for a control line that is separate from the polymeric sensor system. | 12-12-2013 |
20140130592 | DOWNHOLE GAUGE ASSEMBLY - Downhole gauge ( | 05-15-2014 |
20140150548 | DISTRIBUTED DOWNHOLE ACOUSTING SENSING - A method and system to perform distributed downhole acoustic sensing in a borehole are described. The system includes an optical fiber comprising at least one reflector, and a tunable laser configured to perform a transmission of a range of wavelengths through the optical fiber. The system also includes a receiver configured to receive an interferometer signal resulting from the transmission, and a processor configured to determine a component of the interferometer signal. | 06-05-2014 |
20140202241 | Liner Top Test Tool and Method of Use - An exemplary embodiment of the liner top test tool comprises a mandrel that is coupled to a sealing assembly, which contains at least one radially extendable sealing element, and a test tool support which is axially displaceable in relation to the mandrel. The test tool support contains at least one shearable element preventing axial movement of the test tool support in relation to the mandrel. The mandrel has at least one axial groove that can be coupled to the test tool support in order to limit the amount of axial movement between the two components. Once the tool is in place on a liner top, the shearing of the shearable element will activate the tool by allowing the mandrel to be displaced axially in relation to the test tool support thereby applying axial pressure on the sealing element causing it to radially extend and seal the bore of the liner. | 07-24-2014 |
20140238123 | Snorkel Tube with Debris Barrier for Electronic Gauges Placed on Sand Screens - A sensing system comprises at least one gauge disposed in a wellbore, a sensing link coupled to the at least one gauge, and a debris barrier coupled to the sensing link. The debris barrier comprises a housing coupled to the sensing link, and a barrier element configured to reduce the transport of particulates from the wellbore into the sensing link. | 08-28-2014 |
20140260590 | BOREHOLE PROFILING AND IMAGING - A borehole instrument includes an image sensor for capturing images of an inside wall of a borehole. A borehole profile may also be measured by, for example, a laser. The same image sensor may be used for image capture and profile measurement. Different image sensors may be used for image capture and profile measurement. Image capture and profile measurement may be performed with reference to the same depth measurement, so that images and profiles are depth-aligned at capture. Orientation of the instrument within the borehole may also be measured to compensate for rotation of the instrument. A communications subsystem can transmit image data, profile data, and orientation data to a computer located outside the borehole for storage and analysis. | 09-18-2014 |
20150068298 | Apparatus for downhole power generation - Apparatus is provided for use in power generation, including a fluid-flow-driven power generator for use in a fluid-containing pipe such as a drill pipe as used in oil and gas exploration and extraction. Parts of the generator are removable from the pipe—for example while a drill pipe is downhole within a drilling well—to leave a clear through bore for survey and fishing operations and to enable replacement of the removed parts. The flow-driven generator comprises an impeller connected to a magnet assembly to rotate the magnet assembly when fluid flows past the impeller. This causes relative movement between the magnet assembly and an adjacent electrical coil assembly, the relative movement and magnetic coupling generating an electrical current in the coil assembly. This generated electrical current is used to power electrical devices within the pipe. | 03-12-2015 |
20150090027 | LOOP DE-COUPLING CAPSULE FOR HOSTING ULTRA-SENSATIVE EXPERIMENTS IN A LOGGING SONDE - A capsule comprising two non-directly contacting halves enables otherwise coupling loads between experiment and gauging to be re-routed through the outer-most portable body (e.g. a logging sonde housing) having substantial inertia, thus serving to attenuate the parasitic loads. For co-located leveled experiment and gauging, a pair of concentric bearings (shaft in shaft) is utilized. Independent bearing sets and shock/vibration isolation support each capsule half within the outer sonde housing. A first half of the capsule supports the experiment, which the second half supports the gauging apparatus. | 04-02-2015 |
20150135818 | Protection of Electronic Devices Used with Perforating Guns - A sensing subassembly for use with a downhole tool comprises a housing, a cavity disposed within the housing, an electronic board disposed within the cavity, a stiffening member engaging the electronic board and configured to limit flexing of the electronic board, and a spring member configured to provide an isolation mount for the electronic board within the cavity. | 05-21-2015 |
20150308258 | DOWNHOLE PROBES AND SYSTEMS - Disclosed are downhole probes in which electrical interconnections between different modules are achieved without wiring harnesses. Modules may be coupled to one another and/or to bulkheads in the probe my couplings that provide substantially rigid couplings. The couplings may be configured to connect together only in one orientation. Electrical connectors may be fixed relative to components of the couplings so that the electrical connectors are automatically aligned for connection by the couplings. | 10-29-2015 |
20150308980 | APPARATUS AND METHOD OF DEFECTS INSPECTION - Various embodiments include apparatus and methods to inspect casing defects in a pipe such as a casing associated with a drilling operation. Electrical connectors contacting the inside wall of the pipe can be used to generate a current in the pipe. Magnetic fields correlated to an anomaly or anomalies that alter the current can be sensed to identify the presence of the anomaly or anomalies. Additional apparatus, systems, and methods are disclosed. | 10-29-2015 |
20150345283 | BACK UP DIRECTIONAL AND INCLINATION SENSORS AND METHOD OF OPERATING SAME - The embodiments described herein generally relate to a method and apparatus for providing a back up system of Directional and Inclination (D&I) information to be gathered and transmitted in addition to primary D&I sensors currently employed in industry. A downhole probe assembly including primary sensors, back up sensors and a controller is disclosed. The primary sensors comprise primary accelerometers and primary magnetometers configured to gather information relating to each of orthogonal axes X, Y and Z. The back up sensors comprise back up accelerometers configured to gather information relating to each of orthogonal axes X, Y and Z, the back up accelerometers being solid state accelerometers. The controller is in electrical communication with the primary sensors and the back up sensors. The controller is configured to receive and process information from the primary sensors and the back up sensors so that information from the back up accelerometers can be used when one or more of the primary accelerometers fail, which may allow drilling operations to continue despite such failure. | 12-03-2015 |
20160032709 | SYSTEM AND METHOD FOR PROVIDING A CONTINUOUS WELLBORE SURVEY - Systems and methods are provided for producing a continuous survey of a previously drilled portion of a wellbore. The method includes receiving a plurality of stationary survey measurements taken at a corresponding plurality of locations along the portion of the wellbore. The method further includes receiving at least one continuous survey including a plurality of continuous survey measurements taken between a pair of stationary survey measurements of the plurality of stationary survey measurements. The method further includes combining the plurality of stationary survey measurements and the plurality of continuous survey measurements to produce the continuous survey of the portion of the wellbore. | 02-04-2016 |
20160032711 | Methods and Apparatus for Measuring Downhole Position and Velocity - An apparatus for measuring at least one of downhole position and velocity. The apparatus includes a body. A roller is connected with the body, and a plurality of sensors is connected with the body. The plurality of sensors can acquire roller data and wellbore data. The roller data and wellbore data can be used to determine at least one of the velocity and position of the apparatus. The apparatus can also have an electronic module that is in communication with the plurality of of sensors. | 02-04-2016 |
20160090833 | DOWNHOLE HEALTH MONITORING SYSTEM AND METHOD - A method of installing multi-trip completions in a borehole. The method includes interfacing a health monitoring system with a first section of the multi-trip completions, the health monitoring system configured to engage with at least one of a first control line and first equipment of the first section. Running the health monitoring system and the first section downhole to a selected position within the borehole; storing information about a health of the at least one of the first control line and first equipment of the first section within the health monitoring system. Removing the health monitoring system from the borehole while leaving the first section within the borehole; accessing the information from the health monitoring system; and, determining, based on the information, whether or not to run a second section having a second control line into the borehole. The second control line configured to connect with the first control line. | 03-31-2016 |
20160123138 | Highly-integrated well logging surface system - The disclosure discloses an oil well logging surface system, which consists of a depth system, downhole power supplies, a front-end computer assembly, a control panel assembly, an expansion card module, a system power supply, a cooling system and an Electro-Magnetic Interference (EMI) system. The well logging surface system is connected with downhole instruments through a well logging cable, has functions of depth data acquisition, downhole instrument power supply, cable mode control, signal processing, downhole instrument data acquisition, data transmission and the like, may display data acquired by an internal bus on own dedicated display, and may further upload the data to upper computer software for an upper computer to process through a communication line. Different configurations of a switch on the control panel assembly are changed to select a required cable core distribution mode, power supply voltage/frequency and the like to finish various kinds of operation such as well logging, perforation and coring. | 05-05-2016 |
20160138948 | DOWNHOLE OIL WELL SENSOR HOUSING HAVING A COMPRESSION SEAL ASSEMBLY - The invention relates generally to a downhole oil well sensor housing having a compression sealing assembly that is responsive to the external pressures within a subterranean bore-hole. The downhole oil well sensor housing has a sealing assembly configured to provide a compression seal around individual signal wires coupled to a downhole measurement sensor retained within the sensor housing. The downhole measurement sensor is secured within one end of the sensor housing, while the sealing assembly is secured within the opposing end of the sensor housing. | 05-19-2016 |
20160177702 | CARRIER MECHANISM AND INSTALLATION METHOD FOR DOWNHOLE GAUGE | 06-23-2016 |