Patents Assigned to Schlumberger Technologies
-
Publication number: 20110154895Abstract: The method for a productive formation properties determination comprises positioning a complex well-logging tool in a borehole, the well-logging tool consists of the device for the formation temperature impact and two similar logging probes located symmetrically along the well-logging tool relative to the device for the formation temperature impact. During the logging tool movement in the borehole continuous formation temperature impact and formation temperature measurement are performed. Based on the obtained dependencies of the formation parameters in question as a function of temperature the productive formation properties are determined.Type: ApplicationFiled: December 29, 2010Publication date: June 30, 2011Applicant: Schlumberger Technology CorporationInventors: Marwan Charara, Anton Vladimirovich Parshin, Evgeny Nikolaevich Dyshlyuk, Oleg Mikhailovich Zozulya, Sergey Sergeevich Safonov
-
Publication number: 20110155393Abstract: An apparatus that is usable with a well includes an operator and a generator. The operator is disposed in the well and configured to respond to a differential pressure between hydraulically isolated zones of the well to produce mechanical motion. The generator is disposed in the well to convert the mechanical motion into electricity. A method that is usable with a well is provided including maintaining hydraulic isolation between a first and second zone of a well. While maintaining the hydraulic isolation, the method further includes producing a mechanical motion in response to a differential pressure between the first and second zones and generating electricity in response to the mechanical motion.Type: ApplicationFiled: December 31, 2009Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Ives D. Loretz, Gary L. Rytlewski
-
Publication number: 20110155375Abstract: A system for dynamic underbalanced perforation of a hydrocarbon well includes a perforation fluid located within the hydrocarbon well. A perforation gun is suspended within the perforation fluid and a completion fluid is located within the hydrocarbon uphole of the perforation fluid. An isolation fluid is located within the hydrocarbon well uphole of the perforation fluid and downhole of the completion fluid. A method of perforating a hydrocarbon well includes a perforation fluid placed in the hydrocarbon well. A perforation gun is placed within the perforation fluid. A completion fluid is placed in the hydrocarbon well. An isolation fluid is placed in the hydrocarbon well. A local dynamic underbalance condition is created in the hydrocarbon well. A flow of the completion fluid downhole is inhibited.Type: ApplicationFiled: December 30, 2009Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventor: Martin Griffith
-
Publication number: 20110155013Abstract: A perforating apparatus according to one or more aspects of the present disclosure comprises a carrier adapted to be deployed in a wellbore; a shaped explosive charge mounted on the carrier, the shaped charge comprising an explosive disposed inside of a case; and a conically shaped liner having an apex and a base disposed with the explosive in the case, the liner comprising an electromagnetically formed portion. The electromagnetically formed portion may comprise a thickness at the apex that is different from a thickness at the base.Type: ApplicationFiled: March 8, 2010Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: LeMoyne Boyer, James Anthony
-
Publication number: 20110155459Abstract: A technique facilitates the reliable connection of cables in subsea environments. A cablehead system is designed to reliably connect cables to subsea components while providing long term protection of the connection in potentially harsh, subsea environments. The cablehead system comprises a cable clamp housing which may be coupled to a bulkhead assembly by a cavity housing which provides space for routing of internal communication lines. One or more additional protective components are incorporated into the cablehead system to ensure a reliable connection and to further protect the internal communication lines from exposure to the surrounding environment.Type: ApplicationFiled: June 4, 2010Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Joseph Allan Nicholson, Erick Chaize, Stephen Henry, Kirtikumar Patel, Jeff Marabella
-
Publication number: 20110154896Abstract: The apparatus for a borehole influx fluid parameters measurement comprises an enclosure open on two adjacent sides and having a poorly deformable heat-insulating rear wall, a cover and side walls made of elastically deformable heat-insulating material. Inside the enclosure a cellular structure of elastically deformable heat-insulating material is mounted with the gap relative to the enclosure's rear wall and having the through cells insulated from one another. Said cells forming the apparatus inlet openings on one side of the cellular structure and on the other side they are connected with the gap, the total area of the inlet openings significantly exceeds the area of the structure side surface they are located at. The transducers for the measurement of the influx fluid parameters are disposed inside the cells.Type: ApplicationFiled: December 29, 2010Publication date: June 30, 2011Applicant: Schlumberger Technology CorporationInventors: Valery Vasilyevich Shako, Vyacheslav Pavlovich Pimenov
-
Publication number: 20110156356Abstract: The seal member includes a tetrafluoroethylene-propylene copolymer (FEPM) and carbon nanofibers. The seal member has a number of cycles to fracture of 10 or more when subjected to a tension fatigue test at a temperature of 150° C., a maximum tensile stress of 2 N/mm, and a frequency of 1 Hz. The seal member exhibits excellent heat resistance and abrasion resistance.Type: ApplicationFiled: December 28, 2009Publication date: June 30, 2011Applicants: NISSIN KOGYO CO., LTD., SCHLUMBERGER TECHNOLOGY CORPORATION, SHINSHU UNIVERSITY, MEFS KABUSHIKI KAISHAInventors: Toru NOGUCHI, Hiroyuki UEKI, Shigeki INUKAI, Masaei ITO, Raghu MADHAVAN, Morinobu ENDO, Satoshi IINOU
-
Publication number: 20110161133Abstract: The present disclosure relates to dynamically incorporating and economically validating drilling decisions. A computer system having a memory and central processing unit is provided and a knowledge store residing in the computer system is populated with data. The data may include surface drilling parameter data, bottomhole assembly data, bit records, measurement-while-chilling data, logging-while-drilling data, drilling event data, and lessons learned data. The data may be correlated data from one or more offset wells. One or more computerized static or dynamic contextual earth models are provided and used to dynamically incorporate and economically validate the drilling decisions. The one or more earth models can be updated in real-time.Type: ApplicationFiled: July 7, 2010Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Catheryn Staveley, Russ Sagert, Slavo Pastor
-
Publication number: 20110155391Abstract: A gas lift valve that has a longitudinally extending tubular body having an inlet and an outlet, a flow path extending between the inlet and the outlet, and a flow tube located inside the body. The flow tube is translatable in the axial direction between at least a first and a second position. A venturi orifice located inside the body along the flow path. A seal part is located proximate to the outlet of the body. A flapper is connected with the body by way of a hinge part and the flapper has at least a first open position and a second closed position. The closed position is where the flapper contacts the seal thereby closing the flowpath and the second closed position is where the flapper does not contact the seal and does not close the flowpath.Type: ApplicationFiled: December 30, 2009Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Kevin T. Scarsdale, Jason Kamphaus, Jacob Hahn, Thomas M. White
-
Publication number: 20110155462Abstract: A method and system for automating exploration and production of subterranean resources, using data collected from exploration and production activities, including drilling rig data and/or the like is described. The method and system include the use of a knowledge representation containing representation of uncertainty in the exploration and production operations.Type: ApplicationFiled: July 23, 2009Publication date: June 30, 2011Applicant: Schlumberger Technology CorporationInventors: Bertrand Du Castel, Harry Barrow
-
Publication number: 20110156707Abstract: The rock mass thermal excitation is performed by means of pumping the flush fluid through the wellbore using a tubing string, the flush fluid temperature differs from the rock mass temperature. Before the thermal excitation, during the thermal excitation and after the termination thereof differential electrical signals proportional to the well bore temperature difference are registered by at least one pair of the temperature transducers positioned along the wellbore axis. The distances between the transducers in the pairs and the number of pairs is selected in advance based on the required accuracy of the determination of the rock mass areas with different properties, minimum and maximum possible length of the rock mass areas identified and the nature and degree of the wellbore temperature noise.Type: ApplicationFiled: December 29, 2010Publication date: June 30, 2011Applicant: Schlumberger Technology CorporationInventors: Yury Anatolyevich Popov, Anton Vladimirovich Parshin, Vyacheslav Pavlovich Pimenov, Sergey Sergeevich Safonov, Vladimir Petrovich Stenin, Victor Vasilyevich Kostylev
-
Publication number: 20110155396Abstract: An actuating component for a downhole tool is provided that includes a main actuating bore and an actuating liner configured to be accommodated within the main actuating bore. The actuating component may further include a piston configured to sealingly and translatably fit within the actuating liner and be coupled to the downhole tool wherein movement of the piston relative to the actuating liner actuates the downhole tool. A method of actuating a downhole tool is also provide that may include installing an actuating liner within a main actuating bore and providing a piston configured to translatably and sealably be accommodated within the actuating liner. The method may further comprise coupling the piston to an operative component of the downhole tool and applying pressure to a surface of the piston, thereby moving the piston relative to the actuating liner.Type: ApplicationFiled: December 29, 2009Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Geoffrey Pinard, David E. McCalvin
-
Publication number: 20110156357Abstract: A dynamic seal member includes a ternary fluoroelastomer (FKM) and carbon nanofibers. The carbon nanofibers are carbon nanofibers having an average diameter of 10 to 20 nm, or carbon nanofibers having an average diameter of 60 to 110 nm and subjected to a low-temperature heat treatment. The carbon nanofibers having an average diameter of 60 to 110 nm and subjected to the low-temperature heat treatment have a ratio (D/G) of a peak intensity D at around 1300 cm?1 to a peak intensity G at around 1600 cm?1 measured by Raman scattering spectroscopy of more than 0.9 and less than 1.6. The dynamic seal member has a number of cycles to fracture of 10 or more when subjected to a tension fatigue test at a temperature of 200° C., a maximum tensile stress of 2.5 N/mm, and a frequency of 1 Hz. The dynamic seal member exhibits excellent heat resistance and abrasion resistance.Type: ApplicationFiled: December 28, 2009Publication date: June 30, 2011Applicants: NISSIN KOGYO CO., LTD., SCHLUMBERGER TECHNOLOGY CORPORATION, SHINSHU UNIVERSITY, MEFS KABUSHIKI KAISHAInventors: Toru NOGUCHI, Hiroyuki UEKI, Shigeki INUKAI, Masaei ITO, Raghu MADHAVAN, Morinobu ENDO, Satoshi IINOU
-
Publication number: 20110155368Abstract: A system for communicating with downhole components is provided comprising at least one RFID device configured with an identification code. The system further includes a device conduit extending next to the downhole components and a device propulsion system configured to translate the RFID devices next to the downhole components to facilitate an exchange of information between the downhole component and the RFID device. The device conduit may include a check valve or a turn-around sub depending upon the application. In some cases, the exchange of information may trigger actuation of one or more of the downhole components. A method is also provide comprising providing a device conduit near downhole components, propelling an RFID device near to the downhole components via the device conduit and a device propulsion system, and exchanging information between the RFID device and the downhole components.Type: ApplicationFiled: December 28, 2009Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventor: Yasser Mahmoud El-Khazindar
-
Publication number: 20110160375Abstract: A carbon fiber composite material comprising 100 parts by mass of an elastomer, and 20 to 100 parts by mass of carbon nanofibers that have been oxidized and reduced in number of branch points. The carbon fiber composite material has a dynamic modulus of elasticity (E?) at 200° C. and 10 Hz of 10 to 1000 MPa, and a volume resistivity of 106 to 1018 ohms·cm.Type: ApplicationFiled: December 28, 2009Publication date: June 30, 2011Applicants: NISSIN KOGYO CO., LTD., MEFS KABUSHIKI KAISHA, SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Toru NOGUCHI, Hiroyuki UEKI, Shigeki INUKAI, Satoshi IINOU, Masaei ITO
-
Publication number: 20110155372Abstract: A method and system are disclosed for low damage gravel packing. The method comprises: combining a carrier fluid and a solids mixture into a slurry, wherein the solids mixture comprises a plurality of particle size distribution modes such that a packed volume fraction exceeds 0.75; contacting a screen with leak-off control agent to form a bridge; positioning the screen and circulating the slurry through the wellbore in any order such that the solids mixture is deposited between the screen and the wellbore; degrading the degradable material to increase porosity and permeability of the pack; removing the bridge; and producing a reservoir fluid from the formation. The system comprises the slurry, a tubing string and slurry pump to position the screen and circulate the slurry to form the bridge on the screen.Type: ApplicationFiled: June 30, 2010Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Mohan K.R. Panga, Peter J. Photos, John W. Still, Balkrishna Gadiyar, Bruno Drochon, Bryan Stamm
-
Publication number: 20110155395Abstract: Disclosed herein are methods and apparatus for releasing a releasable packer. The apparatus may include shear screws, a mechanism for isolating the shear screw from a shearing force. The mechanism for isolating the shear screw from a shearing force is selectively unlockable to expose the shear screw to the shearing force. The methods may include unlocking a mechanism protecting at least one shear screw, applying a shearing force to the at least one shear screw, and shearing the at least one shear screw.Type: ApplicationFiled: December 30, 2009Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: James D. Hendrickson, Baozhong Yang
-
Publication number: 20110155371Abstract: A slurry and method are disclosed for low damage gravel packing. The slurry comprises a solids mixture comprising a plurality of volume-averaged particle size distribution (PSD) modes such that a packed volume fraction (PVF) exceeds 0.75; a carrier fluid in an amount to provide a solids volume fraction (SVF) less than the PVF of the solids mixture; and a stability additive to inhibit settling of the solids mixture. The method comprises circulating the slurry into a wellbore to deposit the slurry downhole; terminating the slurry circulation for a period of time, wherein the stability additive inhibits settling of the solids mixture; and thereafter circulating the deposited slurry in contact with a surface of a screen. Stability additives disclosed include colloidal particles, hydratable polymer particles, and particles having an aspect ratio above 6.Type: ApplicationFiled: June 30, 2010Publication date: June 30, 2011Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Mohan K.R. Panga, Philip F. Sullivan, Balkrishna Gadiyar, Ryan Hartman, Bruno Drochon, John W. Still, Bryan Stamm
-
Publication number: 20110156355Abstract: A seal member includes a hydrogenated acrylonitrile-butadiene rubber (HNBR) and carbon nanofibers. The seal member has a number of cycles to fracture of 7000 or more when subjected to a tensile fatigue test at a temperature of 70° C., a maximum tensile stress of 4 N/mm, and a frequency of 1 Hz. The seal member exhibits excellent abrasion resistance.Type: ApplicationFiled: December 28, 2009Publication date: June 30, 2011Applicants: NISSIN KOGYO CO., LTD, SCHLUMBERGER TECHNOLOGY CORPORATION, SHINSHU UNIVERSITY, MEFS KABUSHIKI KAISHAInventors: Toru NOGUCHI, Hiroyuki UEKI, Shigeki INUKAI, Masaei ITO, Raghu MADHAVAN, Morinobu ENDO, Satoshi IINOU
-
Publication number: 20110155464Abstract: The method of the formation fluid invasion moment identification consists in the sinking of an apparatus for the sampling of the fluid mixture into the uncased wellbore; the apparatus consists of the body, standard probe, hydraulic system, sample storage chamber and pumping module. Then the fluid mixture is pumped out and simultaneously the temperature of the fluids being pumped out is measured using at least one temperature transducer positioned in the sampling apparatus hydraulic system. Based on the values obtained the graph of the derivative temperature of the pumped out fluids as function of time is built up and the formation fluid invasion moment is identified.Type: ApplicationFiled: December 29, 2010Publication date: June 30, 2011Applicant: Schlumberger Technology CorporationInventors: Aleksandr Petrovich Skibin, Darya Aleksandrovna Mustafina
