| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 08/28/2002 | EP1234096A1 Electric power generator for use in a wellbore |
| 08/27/2002 | US6439325 Drilling apparatus with motor-driven pump steering control |
| 08/27/2002 | US6439312 Apparatus and methods for isolating a wellbore junction |
| 08/22/2002 | US20020116129 Automated bore planning method and apparatus for horizontal directional drilling |
| 08/22/2002 | US20020112886 Cuttings injection target plate |
| 08/22/2002 | US20020112857 Method and apparatus for providing plural flow paths at a lateral junction |
| 08/21/2002 | EP1233144A2 Locating and orienting system and use in multilateral wells |
| 08/21/2002 | EP1233142A2 Guide bushing and use in multilateral wells |
| 08/21/2002 | CN1365418A Method for creating a weld in a wellbore |
| 08/20/2002 | CA2372287A1 Method and apparatus for connecting a main well bore and a lateral branch |
| 08/15/2002 | WO2002063130A1 Optimization of reservoir, well and surface network systems |
| 08/15/2002 | WO2002063106A1 A method for installing submerged oil and gas wells, and apparatus for the same |
| 08/15/2002 | US20020111527 Creating a slurry of the biosolids; injecting the biosolids slurry into a natural gas formation at a pressure sufficient to create and maintain fractures within the formation; sewage sludge for example |
| 08/15/2002 | US20020109080 Wellbores utilizing fiber optic-based sensors and operating devices |
| 08/15/2002 | US20020108784 Non-rotating sensor assembly for measurement-while-drilling applications |
| 08/15/2002 | US20020108754 Apparatus and methods for isolating a wellbore junction |
| 08/15/2002 | US20020108753 In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation |
| 08/13/2002 | US6434435 Application of adaptive object-oriented optimization software to an automatic optimization oilfield hydrocarbon production management system |
| 08/13/2002 | US6434084 Adaptive acoustic channel equalizer & tuning method |
| 08/13/2002 | US6431855 Portable flare stack |
| 08/13/2002 | US6431283 Method of casing multilateral wells and associated apparatus |
| 08/13/2002 | US6431271 Apparatus comprising bistable structures and methods for their use in oil and gas wells |
| 08/13/2002 | US6431270 Downhole tools with a mobility device |
| 08/13/2002 | CA2072228C Steerable rotary drilling systems |
| 08/08/2002 | US20020107562 Technique of forming expandable devices from cells that may be transitioned between a contracted state and an expanded state |
| 08/08/2002 | US20020104659 Access control between a main bore and a lateral bore in a production system |
| 08/08/2002 | US20020104654 In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products |
| 08/07/2002 | EP1228290A1 Drilling formation tester, apparatus and methods of testing and monitoring status of tester |
| 08/06/2002 | US6427783 Steerable modular drilling assembly |
| 08/06/2002 | US6427777 Multilateral well drilling and reentry system and method |
| 08/06/2002 | US6427603 Pipe racking system track over |
| 08/01/2002 | US20020100588 Sand barrier for a level 3 multilateral wellbore junction |
| 07/31/2002 | EP1226336A1 Drilling formation tester, apparatus and methods of testing and monitoring status of tester |
| 07/26/2002 | CA2563145A1 Sand barrier for a level 3 multilateral wellbore junction |
| 07/25/2002 | WO2002057589A2 Internal power source for downhole detection system |
| 07/25/2002 | US20020096887 Vibration based power generator |
| 07/25/2002 | US20020096331 Apparatus and method for spacing out of offshore wells |
| 07/25/2002 | US20020096326 Locating system and method |
| 07/25/2002 | US20020096320 In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate |
| 07/24/2002 | EP1224379A1 Flow control apparatus for use in a subterranean well |
| 07/24/2002 | EP1092078A4 Flying lead workover interface system |
| 07/23/2002 | US6424919 Method for determining preferred drill bit design parameters and drilling parameters using a trained artificial neural network, and methods for training the artificial neural network |
| 07/18/2002 | WO2002029207B1 Method and system for tubing a borehole in single diameter |
| 07/18/2002 | WO2001020127A9 Well management system |
| 07/17/2002 | EP1223305A2 Bi-stable expandable device and method for expanding such a device |
| 07/17/2002 | EP1222360A1 Tool assembly and monitoring applications using same |
| 07/17/2002 | EP1222359A1 Apparatus for transferring electrical energy between rotating and non-rotating members of downhole tools |
| 07/17/2002 | CN2500800Y Integrated cement truck for petroleum field |
| 07/17/2002 | CN2500799Y Vehicle machine for repairing and washing well |
| 07/16/2002 | US6419026 Method and apparatus for completing a wellbore |
| 07/16/2002 | US6419024 Deviated borehole drilling assembly |
| 07/16/2002 | US6419023 Deviated borehole drilling assembly |
| 07/16/2002 | US6419021 Deviated borehole drilling assembly |
| 07/16/2002 | US6419018 Controlling temperature; heating |
| 07/16/2002 | US6419012 Deviated borehole drilling assembly |
| 07/16/2002 | US6419010 Deviated borehole drilling assembly |
| 07/16/2002 | CA2745733A1 Technique of forming expandable devices from cells that may be transitioned between a contracted state and an expanded state |
| 07/11/2002 | US20020088620 Interactive and/or secure activation of a tool |
| 07/11/2002 | US20020088619 Cementing tool and method |
| 07/04/2002 | WO2002052124A2 Method and apparatus for repair operations downhole |
| 07/04/2002 | WO2001081240A3 In-situ heating of coal formation to produce fluid |
| 07/04/2002 | US20020084074 In situ thermal processing of a hydrocarbon containing formation to increase a porosity of the formation |
| 07/03/2002 | EP1218239A1 Underwater power and data relay |
| 07/03/2002 | CN2498326Y Power mechanism of stirrer with connecting structure |
| 07/02/2002 | US6414905 Method and apparatus for communicating coded messages in a wellbore |
| 07/02/2002 | US6412577 Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation |
| 06/27/2002 | WO2002050571A2 Processing well logging data with neural network |
| 06/27/2002 | US20020082815 Method for forming an optimized neural network module intended to simulate the flow mode of a multiphase fluid stream |
| 06/27/2002 | US20020079102 Method and apparatus for multilateral junction |
| 06/26/2002 | EP1217474A1 Method for producing an optimized neural network module for simulating the flow mode of a multiphased vein of fluids |
| 06/26/2002 | CN2497041Y Crawler-type pigging machine |
| 06/25/2002 | US6409650 Method for biosolid disposal and methane generation |
| 06/25/2002 | US6409430 Welhead templates |
| 06/25/2002 | US6408953 Method and system for predicting performance of a drilling system for a given formation |
| 06/20/2002 | WO2002048504A1 An assembly and method for forming a seal in junction of a multilateral wellbore |
| 06/20/2002 | WO2002048498A2 Enhanced oil recovery method using downhole gas |
| 06/20/2002 | US20020077515 Allowing heat to transfer from one or more heat sources to selected section of formation; controlling heat from heat sources such that average temperature within at section of formation is less than about 375 degree, producing mixture |
| 06/20/2002 | US20020076212 In situ thermal processing of a hydrocarbon containing formation producing a mixture with oxygenated hydrocarbons |
| 06/20/2002 | US20020074122 Method and apparatus for hydrocarbon subterranean recovery |
| 06/20/2002 | US20020074121 Multilateral well drilling and reentry system and method |
| 06/20/2002 | US20020074117 In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells |
| 06/19/2002 | EP1214499A1 Well management system |
| 06/19/2002 | CN2495806Y Unloading means for well pumping unit without being harmful to polish rod |
| 06/18/2002 | US6406255 Apparatus and method for handling waste C-I-P II |
| 06/18/2002 | US6405802 Subsea flowline jumper handling apparatus |
| 06/13/2002 | US20020070027 Method and apparatus for controlling well pressure in open-ended casing |
| 06/12/2002 | EP1213055A1 Nozzle for high pressure injection drill system and high pressure injection drill tool |
| 06/11/2002 | US6401839 Roller cone bits, methods, and systems with anti-tracking variation in tooth orientation |
| 06/11/2002 | US6401815 Apparatus and method for connecting casing to lateral casing using thermoset plastic molding |
| 06/11/2002 | US6401813 Wellhead cleanup tool |
| 06/11/2002 | US6401812 Method and apparatus for multilateral well entry |
| 06/11/2002 | US6401811 Tool tie-down |
| 06/11/2002 | CA2036165C Method and well system for producing hydrocarbons |
| 06/06/2002 | WO2002044521A1 Wellhead assembly for injectiong a fluid |
| 06/06/2002 | WO2002044520A2 Spool for injecting a fluid between casings |
| 06/06/2002 | WO2002044516A1 Wellhead assembly for accessing an annulus in a well and a method for its use |
| 06/06/2002 | WO2002044515A1 Apparatus and method for transferring dry oil and gas well drill cuttings |
| 06/06/2002 | US20020066577 Well reference apparatus and method |
| 06/06/2002 | US20020066574 Downhole multiplexer and related methods |
| 06/06/2002 | US20020066567 Disposal of fluids by displacement injection in shallow soils |