| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 11/01/2001 | WO2001081716A2 A method for sequestering a fluid within a hydrocarbon containing formation |
| 11/01/2001 | WO2001081715A2 Method and system for treating a hydrocarbon containing formation |
| 11/01/2001 | WO2001081714A1 Method and apparatus for forming lateral drains in wellbores |
| 11/01/2001 | WO2001081713A1 Electrical well heating system and method |
| 11/01/2001 | WO2001081240A2 In-situ heating of coal formation to produce fluid |
| 11/01/2001 | WO2001081239A2 In situ recovery from a hydrocarbon containing formation |
| 11/01/2001 | US20010035288 Inductively coupled method and apparatus of communicating with wellbore equipment |
| 11/01/2001 | CA2670076A1 Method and system for treating a hydrocarbon containing formation |
| 11/01/2001 | CA2407404A1 A method for treating a hydrocarbon-containing formation |
| 11/01/2001 | CA2407215A1 Method and system for treating a hydrocarbon containing formation |
| 11/01/2001 | CA2407026A1 In situ recovery from a hydrocarbon containing formation |
| 11/01/2001 | CA2406729A1 Electrical well heating system and method |
| 10/31/2001 | EP1149312A1 High-power well logging method and apparatus |
| 10/31/2001 | EP1149225A1 Method for creating secondary sidetracks in a well system |
| 10/30/2001 | US6309597 Method for reducing hydrogen sulfide level in water containing sulfate-reducing bacteria and hydrogen sulfide-metabolizing bacteria |
| 10/30/2001 | US6308781 Apparatus for retrieving metal objects from a wellbore |
| 10/30/2001 | US6308780 Method for regaining mud circulation in operating well and device for its embodiment |
| 10/25/2001 | US20010033164 Focused through-casing resistivity measurement |
| 10/25/2001 | DE10020139A1 Drilling bit has shaft with drill crown, magnetic core movable in shaft, capacitor discharged via discharge contacts and electrodes in water to produce electrohydraulic pulse for breaking rock |
| 10/24/2001 | EP1147283A1 Multilateral well and electrical transmission system |
| 10/23/2001 | US6305944 Electrical connector |
| 10/23/2001 | CA2191540C Electrical apparatus for controlling liquid contaminants |
| 10/18/2001 | WO2001031167A8 Flow control apparatus for use in a subterranean well |
| 10/17/2001 | EP1146200A1 Drill bit design using neural networks |
| 10/17/2001 | EP1144794A2 Control system for the workover of oil wells |
| 10/16/2001 | US6302215 Positioning and conveying well apparatus and method |
| 10/16/2001 | US6302204 Method of obtaining improved geophysical information about earth formations |
| 10/15/2001 | CA2322147A1 Method and apparatus for predicting an operating characteristic of a rotary earth boring bit |
| 10/11/2001 | WO2001075403A1 Method and apparatus for flow measurement |
| 10/11/2001 | WO2001075264A1 Pressure boost pump |
| 10/11/2001 | US20010027866 Deviated borehole drilling assembly |
| 10/10/2001 | EP1141858A2 Apparatus and method of well management |
| 10/10/2001 | EP1141516A1 A fluid-driven alternator having an internal impeller |
| 10/10/2001 | CN2453129Y Dust-proof device for drill |
| 10/09/2001 | US6298916 Method and apparatus for controlling fluid flow in conduits |
| 10/09/2001 | CA2218278C Apparatus and method for lateral wellbore completion |
| 10/04/2001 | WO2001073423A1 Apparatus and method for downhole well equipment and process management, identification, and actuation |
| 10/04/2001 | WO2001036783A9 Pipe racking system track cover |
| 10/04/2001 | US20010025710 Method and apparatus for connecting a main well bore and a lateral branch |
| 10/02/2001 | US6296690 Compression-pumping system comprising an alternating compression section and its process |
| 10/02/2001 | US6296060 Methods and systems for producing off-shore deep-water wells |
| 09/27/2001 | WO2001071157A1 Subterranean well completion apparatus with flow assurance system and associated methods |
| 09/27/2001 | WO2001071151A1 Template and system of templates for drilling and completing offsite well bores |
| 09/27/2001 | WO2001070568A1 Apparatus for deploying a load to an underwater target position with enhanced accuracy and a method to control such apparatus |
| 09/27/2001 | US20010023614 Monitoring of downhole parameters and tools utilizing fiber optics |
| 09/26/2001 | EP0697057B1 Drill bit and other downhole tools |
| 09/26/2001 | CN2450384Y 偏心电缆保护器 Eccentric cable protector |
| 09/25/2001 | US6293346 Method and apparatus for relieving pressure |
| 09/22/2001 | CA2301966A1 Method and apparatus for use in completing a borehole |
| 09/19/2001 | EP1133618A1 Lateral branch junction for well casing |
| 09/19/2001 | EP1133617A1 Wellbore system including a conduit and an expandable device |
| 09/19/2001 | CN1313449A Method for establishing branches at nodes of mother holes |
| 09/18/2001 | US6289992 Variable pressure pump through nozzle |
| 09/18/2001 | US6289987 Integral blade downhole wash tool |
| 09/13/2001 | WO1997025518A3 Apparatus for setting a liner in a well casing |
| 09/13/2001 | US20010020675 Wellbores utilizing fiber optic-based sensors and operating devices |
| 09/12/2001 | EP1132568A2 Sealing lateral downhole |
| 09/11/2001 | US6287248 Creating a slurry of biosolids, injecting it into an injection formation comprising a natural gas formation in a gas accumulation zone below the ground surface, and allowing it to degrade |
| 09/11/2001 | US6286593 Oilwell leak containment apparatus for a completed oilwell |
| 09/10/2001 | CA2340508A1 Connecting casing to lateral casing using thermoset plastic molding |
| 09/07/2001 | WO2001065718A2 Wireless power and communications cross-bar switch |
| 09/07/2001 | WO2001065056A1 Wireless downhole measurement and control for optimizing gas lift well and field performance |
| 09/07/2001 | WO2001065055A1 Controlled downhole chemical injection |
| 09/07/2001 | WO2001065054A1 Power generation using batteries with reconfigurable discharge |
| 09/07/2001 | WO2001065050A1 Foundation for suction in installation of conductor casing |
| 09/07/2001 | CA2401705A1 Wireless downhole measurement and control for optimizing gas lift well and field performance |
| 09/06/2001 | US20010018977 Selectively set and unset packers |
| 09/05/2001 | EP1130214A1 Corrosion inhibitors |
| 09/04/2001 | US6283227 Downhole activation system that assigns and retrieves identifiers |
| 09/04/2001 | US6283216 Apparatus and method for establishing branch wells from a parent well |
| 09/04/2001 | US6283208 Orienting tool and method |
| 08/30/2001 | WO2001062603A2 Integrated reservoir optimization |
| 08/30/2001 | WO2000054009A3 Downhole depth correlation |
| 08/30/2001 | US20010017207 System and a method of extracting oil |
| 08/30/2001 | CA2605860A1 Integrated reservoir optimization |
| 08/30/2001 | CA2602280A1 Integrated reservoir optimization |
| 08/30/2001 | CA2400796A1 Integrated reservoir optimization |
| 08/29/2001 | EP1127212A1 Hydraulic switch device |
| 08/28/2001 | US6282452 Apparatus and method for well management |
| 08/28/2001 | US6281489 Monitoring of downhole parameters and tools utilizing fiber optics |
| 08/28/2001 | US6280874 Annular pack |
| 08/28/2001 | US6279659 Assembly and method for providing a means of support and positioning for drilling multi-lateral wells and for reentry therein through a premilled window |
| 08/28/2001 | US6279651 Tool for managing fluid flow in a well |
| 08/23/2001 | WO2001061620A1 Field programmable smart card terminal and token device |
| 08/23/2001 | WO2001061140A1 Guidance system for horizontal drilling |
| 08/23/2001 | CA2400440A1 Field programmable smart card terminal and token device |
| 08/22/2001 | EP1126129A1 Guidance system for horizontal drilling |
| 08/22/2001 | CN2444057Y Telescopic testing device for tubular column of oil well |
| 08/22/2001 | CN1309229A Method and apparatus for research and evaluation of foundation type |
| 08/21/2001 | US6278937 Method and apparatus for controlling the position of floating rig |
| 08/21/2001 | US6276465 Method and apparatus for determining potential for drill bit performance |
| 08/21/2001 | US6276457 Method for emplacing a coil tubing string in a well |
| 08/21/2001 | US6276452 Apparatus for removal of milling debris |
| 08/16/2001 | US20010013414 Floating spar for supporting production risers |
| 08/16/2001 | US20010013413 Apparatus for retrieving metal objects from a wellbore |
| 08/16/2001 | US20010013412 Production well telemetry system and method |
| 08/09/2001 | WO2001057358A1 Method and operating devices having expandable element actuators |
| 08/09/2001 | CA2397819A1 Method and operating devices having expandable element actuators |
| 08/07/2001 | US6269883 Disconnect tool |
| 08/07/2001 | US6269875 Chemical stick storage and delivery system |