SCHLUMBERGER TECHNOLOGY CORP. Patent applications |
Patent application number | Title | Published |
20130312477 | FORMING A CONTROL LINE PROTECTOR BY METAL PRESSING OPERATION - An apparatus and method is provided for protecting control lines used with tool strings in a downhole environment. A control line protector assembly comprises a plurality of components formed into a unitary piece which includes a guard section having a first end section and a second end section, a slot on each of the first end section and the second end section, and a securing mechanism for coupling the guard section having the first end section and the second end section to the coupling. A control line protector assembly is formed using a metal stamping process. | 11-28-2013 |
20100082375 | ASSET INTEGRITY MANAGEMENT SYSTEM AND METHODOLOGY FOR UNDERGROUND STORAGE - A technique facilitates asset integrity management of underground storage assets, such as underground carbon dioxide storage sites. The technique comprises establishing a paradigm for asset integrity management comprising element fields related to elements such as asset life cycle, implementation procedures, technologies, tools, and methods to obtain and evaluate data, and control/mitigation measures. Data related to the element fields is processed based on relationships established by the paradigm. Based on the analysis, information related to the integrity of the underground storage asset is output lot-use in managing the underground storage asset. | 04-01-2010 |
20090327186 | SYSTEM AND METHOD FOR SELECTING CANDIDATES FROM A FAMILY OF CANDIDATES - A technique facilitates selection of underground substance storage sites. Criteria are established to enable evaluation of a plurality of underground storage sites for storing a given substance. Optimal goals or targets are determined, and the potentially numerous and varied criteria are assessed against those optimal goals. A predetermined rational method is used to process and evaluate the criteria in a manner that ultimately enables selection of a desirable storage site. | 12-31-2009 |
20090277625 | Compositions For Reducing Or Preventing The Degradation Of Articles Used In A Subterranean Environment And Methods Of Use Thereof - Described herein are compositions for reducing or preventing the degradation of equipment and articles exposed to hydrogen sulfide present in high concentrations in subterranean environments (e.g., oil and gas wells). The compositions are composed of a thermoplastic resin, a thermosetting resin, or a combination thereof, and at least one compound that interacts with hydrogen sulfide from the subterranean environment. In certain aspects, the compositions are coated on the article of interest. In other aspects, the composition is used to manufacture the article and, thus, is integrated throughout the article. | 11-12-2009 |
20090271129 | METHOD, APPARATUS AND SYSTEM FOR CHARACTERIZING TWO PHASE FLUID FLOW IN AN INJECTION WELL - A method and corresponding system is provided for determining fluid properties of a two phase fluid flowing through various portions of a wellbore. Specifically, the method and corresponding system determines fluid properties (e.g. enthalpy flux) of the two phase fluid flowing upstream of the injector portion of the wellbore as well as fluid properties (e.g., mass flow rate and enthalpy flux) of the two phase fluid at various measurement locations along the injector. | 10-29-2009 |
20090266175 | APPARATUS AND METHOD FOR CHARACTERIZING TWO PHASE FLUID FLOW - An apparatus (and corresponding method) for characterizing the fluid properties of a two phase fluid includes a restriction element (e.g., orifice plate or nozzle) along the flow path of the two phase fluid. At least one temperature sensor measures temperature of the two phase fluid flowing through the restriction element. A pressure sensor measures the pressure downstream of the restriction element. Time-of-flight measurements of pulses passing through the two phase fluid are made. The speed of sound within the two phase fluid is calculated from the time-of-flight measurements. At least one fluid property (e.g., a vapor phase fraction) of the two phase fluid is calculated from the measured pressure, the measured temperature, and the calculated speed of sound. | 10-29-2009 |
20090248310 | METHODS AND APPARATUS FOR ANALYSIS OF DOWNHOLE ASPHALTENE GRADIENTS AND APPLICATIONS THEREOF - A method and system for characterizing asphaltene gradients of a reservoir of interest and analyzing properties of the reservoir of interest based upon such asphaltene gradients. The analysis employs a correlation that relates insoluble asphaltene concentration to spectrophotometry measurement data measured at depth. | 10-01-2009 |
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 |
20090222497 | METHOD, SYSTEM AND APPARATUS FOR REMOTE SOFTWARE UPGRADE OF AN EMBEDDED DEVICE - A system method and apparatus for remote upgrade of the software of an embedded device supporting packet-based communication. A packet-based communication path is provided between a remote device and the embedded device. An intermediate device is placed in the packet-based communication path as a local node directly coupled to the embedded device. The intermediate device includes packet-forwarding means for carrying out normal communication between the remote device and the embedded device. The software of the embedded device is upgraded by i) transferring software upgrade data from the remote device to the intermediate device, ii) transferring the software upgrade data from the intermediate device to the embedded device and iii) carrying out an upgrade process on the embedded device that loads the software upgrade data on the embedded device. | 09-03-2009 |
20090206552 | SHAPE MEMORY (ALLOY) HERMETIC SEAL AND THREADED JOINT INCORPORATING SAME - A hermetic seal includes a face seal ring having a first end sealing face and a second end sealing face, a first sealing profile in contact with the first end sealing face, and a second sealing profile in contact with the second end sealing face. The face seal ring comprises a shape memory material. A hermetically-sealed, threaded joint includes a pin sub defining a first sealing profile, a box sub defining a second sealing profile, and a face seal ring comprising a shape memory material. The pin sub is threadedly engaged with the box sub. The face seal ring has a first end sealing face in contact with the first sealing profile and a second end sealing face in contact with the second sealing profile. The face seal ring is disposed about the pin sub. | 08-20-2009 |
20090205815 | DOWNHOLE TOOL FOR MEASURING A FLUID FLOW RATE THERETHROUGH AND A WELL COMPLETION INCORPORATING SAME - A downhole tool includes a housing defining a passageway therethrough exhibiting a first diameter and a second diameter that is smaller than the first diameter, and a first turbine disposed in the first diameter of the housing. The downhole tool further includes means for measuring a rotational velocity of the first turbine, a second turbine disposed in the second diameter of the housing, and means for measuring a rotational velocity of the second turbine. | 08-20-2009 |
20090192768 | METHODS AND APPARATUS FOR CHARACTERIZATION OF PETROLEUM FLUID AND APPLICATIONS THEREOF - An improved method and system for characterizing the compositional components of a hydrocarbon reservoir of interest and analyzing fluid properties of the reservoir of interest based upon its compositional components. | 07-30-2009 |
20090188304 | METHOD FOR OPERATING A COUETTE DEVICE TO CREATE AND STUDY EMULSIONS - A method for generating and characterizing an emulsion. The method provides a Couette device having first and second cylindrical members that define an annulus between them. The second cylindrical member is rotatably driven with respect to the first cylindrical member. Two or more substances each in a non-emulsified state are injected into the annulus. The Couette device is operated in a first mode to generate an emulsion from the two or more substances. The Couette device is also operated in a second mode to measure various attributes of the emulsion. | 07-30-2009 |
20090114387 | METHODS FOR IDENTIFYING COMPOUNDS USEFUL FOR PRODUCING HEAVY OILS FROM UNDERGROUND RESERVOIRS - Described herein are methods for identifying compounds useful for producing heavy oil from an underground reservoir. The methods facilitate the development of chemicals with improved physicochemical features. The methods generally involve first identifying a physicochemical property of a compound that needs to be improved in order to increase the efficiency of heavy oil removal from underground reservoirs. Next, the physicochemical property is calculated by molecular modeling using semi-empirical or ab-initio calculations. By modifying the molecular model of the compound, the targeted physicochemical property can be optimized. After a suitable compound has been identified, the compound can be synthesized and evaluated. | 05-07-2009 |
20090078414 | CHEMICALLY ENHANCED THERMAL RECOVERY OF HEAVY OIL - Described herein are methods for removing heavy oils from underground reservoirs. The methods involve the use of chemical compositions in combination with steam techniques for the efficient removal of heavy oils. | 03-26-2009 |
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 |
20090066536 | GROUNDWATER MONITORING SYSTEM - A groundwater monitoring device includes a wireless communications device operable to communicate only within a range of about 150 meters and a sensor package operably associated with the wireless communications device. The wireless communications device includes an antenna, a radio frequency transceiver coupled with the antenna, a processor coupled with the radio frequency transceiver, and an electrochemical cell. The electrochemical cell is electrically coupled with the sensor package, the processor, and the radio frequency transceiver. The electrochemical cell is capable of providing sufficient electrical power to operate the radio frequency transceiver, the sensor package, and the processor for a period of at least a plurality of months. | 03-12-2009 |
20090066330 | NMR MEASUREMENT OF WAX APPEARANCE IN FLUIDS - A method for determining a wax appearance temperature of a fluid includes obtaining nuclear magnetic resonance (NMR) measurements of the fluid at a plurality of temperatures; deriving a NMR parameter from each of the NMR measurements; and determining the wax appearance temperature by analyzing the NMR parameter as a function of temperature. An apparatus for detecting wax appearance in a fluid includes a sample cell for holding a fluid for nuclear magnetic resonance (NMR) measurements at a plurality of temperatures; a temperature measuring device disposed proximate the sample cell; a magnet for polarizing molecules in the fluid in the sample cell; at least one radiofrequency (RF) coil for generating pulses of magnetic field and for detecting NMR signals; and circuitry for controlling and measuring the temperature of the fluid in the sample cell and for obtaining NMR measurements. | 03-12-2009 |
20090020335 | METHODS, SYSTEMS AND APPARATUS FOR PRODUCTION OF HYDROCARBONS FROM A SUBTERRANEAN FORMATION - Methods, systems, and apparatus that are suitable for use in production of hydrocarbons from subterranean heavy oil deposits employ a subterranean cavity in communication with a borehole. The cavity is preferably formed along a U-tube borehole by coiled tubing reaming operations and/or radial drilling and explosive blasting | 01-22-2009 |