| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 05/18/2012 | WO2012063055A1 Method and composition for preventing corrosion of metal surfaces |
| 05/18/2012 | WO2012062693A1 Subsea anchor |
| 05/18/2012 | CA2817456A1 Method and composition for preventing corrosion of metal surfaces |
| 05/16/2012 | EP2452044A2 Downhole apparatus, device, assembly and method |
| 05/16/2012 | EP2452042A2 Flow restrictor device |
| 05/16/2012 | EP2452039A2 Apparatus and methods for sealing subterranean borehole and performing other cable downhole rotary operations |
| 05/16/2012 | CN102458611A Method for reducing the emission of carbon dioxide and device |
| 05/09/2012 | EP2449264A1 Method for delivering fluids using centrifugal pumps |
| 05/08/2012 | US8171989 Well having a self-contained inter vention system |
| 05/03/2012 | US20120103620 Remotely operated underwater redirection plenum chamber for spill response |
| 05/02/2012 | EP2447588A2 Subsea recovery of swabbing chemical |
| 05/02/2012 | EP2446110A2 Method and apparatus for monitoring fluids |
| 05/02/2012 | EP2446109A2 Carbon capture and storage using minimal offshore structures |
| 04/28/2012 | CA2756469A1 System and method for individual control of tools in a subterranean completion application |
| 04/26/2012 | WO2012052715A2 Designed drilling fluids for ecd management and exceptional fluid performance |
| 04/26/2012 | DE202011103506U1 Zusätzliche Schutzvorrichtung für Tiefbohranlagen,insbesondere für Offshore-Bohrplattformen Additional protection device for deep drilling rigs, especially for offshore drilling platforms |
| 04/26/2012 | CA2831720A1 Designed drilling fluids for ecd management and exceptional fluid performance |
| 04/25/2012 | EP2445080A1 System for recovering energy used for raising a load of a draw work |
| 04/25/2012 | EP2443309A1 A method for disposal of drilling waste, contaminated sediments and residual waste and a disposal facility for same |
| 04/25/2012 | EP2442892A1 Method for reducing the emission of carbon dioxide and device |
| 04/25/2012 | CN101424175B 水下钻井基盘吊装系统 Underwater drilling template hoisting system |
| 04/24/2012 | CA2537189C Borehole telemetry system |
| 04/19/2012 | WO2012050984A1 Releasable corrosion inhibitors |
| 04/19/2012 | WO2012050459A1 Guide post |
| 04/19/2012 | WO2012049449A1 Method and apparatus for a high side orienting sub for multi-lateral installations |
| 04/19/2012 | WO2011163005A3 Apparatus and methods for corrosion protection of downhole tools |
| 04/19/2012 | CA2814569A1 Method and apparatus for a high side orienting sub for multi-lateral installations |
| 04/19/2012 | CA2814319A1 Releasable corrosion inhibitors |
| 04/18/2012 | CN202194623U 复合油管完井管串组合结构 Composite pipe tubing completion string composite structures |
| 04/17/2012 | CA2689034C Method of drilling and completing multiple wellbores inside a single caisson |
| 04/17/2012 | CA2610663C Modular apparatus for production testing |
| 04/13/2012 | CA2755159A1 Methods and compositions for suspending fluids in a wellbore |
| 04/12/2012 | US20120085581 System and method for damping vibration in a drill string using a magnetorheological damper |
| 04/12/2012 | US20120085545 Apparatus and method for controlled pressure drilling |
| 04/05/2012 | WO2012044928A2 Riser system for a slacked moored hull floating unit |
| 04/05/2012 | WO2012041926A2 Methods for storing carbon dioxide compositions in subterranean geological formations and an apparatus for carrying out the method |
| 04/05/2012 | WO2011099869A3 A method of installing a flexible, elongate element |
| 04/05/2012 | US20120080228 Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools |
| 04/05/2012 | US20120080195 Drilling Composition, Process for its Preparation, and Applications Thereof |
| 04/05/2012 | US20120080193 Running tool for deep water |
| 04/05/2012 | CA2812470A1 Methods for storing carbon dioxide compositions in subterranean geological formations and an apparatus for carrying out the method |
| 04/03/2012 | CA2425036C Sealed multilateral junction system |
| 03/29/2012 | WO2012040329A1 Water removal from anti-agglomerate ldhis |
| 03/29/2012 | CA2812186A1 Water removal from anti-agglomerate ldhis |
| 03/29/2012 | CA2808477A1 Magnetically controlled delivery of subterranean fluid additives for use in subterranean applications |
| 03/28/2012 | EP2434091A1 Downhole power generation |
| 03/27/2012 | US8145462 Field synthesis system and method for optimizing drilling operations |
| 03/21/2012 | CN102388200A Use of underground gas storage to provide a flow assurance buffer between interlinked processing units |
| 03/20/2012 | CA2441368C Alternate path multilateral production/injection |
| 03/15/2012 | WO2012034001A1 A method for finding and re-entering a lateral bore in a multi-lateral well |
| 03/15/2012 | CA2811058A1 A method for finding and re-entering a lateral bore in a multi-lateral well |
| 03/14/2012 | EP2428640A2 Systems and methods for using rock debris to inhibit the initiation or propagation of fractures within a passageway through subterranean strata |
| 03/14/2012 | CN202165066U 一种油田注水加药装置 One kind of oil field water dosing device |
| 03/14/2012 | CN101424176B Cementing stopping ring seal structure between guide pile pipe of underwater basal disc and pile pipe sleeve |
| 03/13/2012 | US8134476 Apparatus and methods for self-powered communication and sensor network |
| 03/13/2012 | CA2526667C Use of quaternary ammonium carbonates and bicarbonates as anticorrosive agents, method for inhibiting corrosion and anticorrosive coatings using these agents |
| 03/13/2012 | CA2437513C Multilateral well completion |
| 03/08/2012 | WO2012030814A2 Distributed fiber optic sensor system with improved linearity |
| 03/08/2012 | CA2809660A1 Distributed fiber optic sensor system with improved linearity |
| 03/06/2012 | US8127868 Apparatus and methods for drilling a wellbore using casing |
| 03/06/2012 | US8127835 Integrated cable hanger pick-up system |
| 03/01/2012 | WO2011091157A3 Differential pressure wellbore tool and related methods of use |
| 03/01/2012 | US20120048537 System and method for conducting operations to subterranean formations |
| 02/29/2012 | EP2423429A1 Valve condition monitoring |
| 02/29/2012 | EP2422040A2 Well tubular, coating system and method for oilfield applications |
| 02/29/2012 | EP2307665B1 Downhole power generation |
| 02/28/2012 | US8126689 Methods for geomechanical fracture modeling |
| 02/25/2012 | CA2743825A1 Oil catch pan |
| 02/23/2012 | WO2011091165A3 Wellbore filter screen and related methods of use |
| 02/22/2012 | CN102359359A Medium guide mechanism of drilling machine |
| 02/16/2012 | WO2011128355A3 System for installing and testing subsea wellhead equipment |
| 02/16/2012 | WO2011004180A3 Downhole apparatus, device, assembly and method |
| 02/14/2012 | CA2501480C System and method for installation and use of devices in microboreholes |
| 02/09/2012 | WO2012018706A1 Controllably installed multilateral completions assembly |
| 02/09/2012 | WO2012017010A1 Methods and arrangements for carbon dioxide storage in subterranean geological formations |
| 02/09/2012 | WO2011127422A3 System and method for subsea power distribution network |
| 02/09/2012 | US20120035086 Methods and Compositions for Inhibiting Metal Corrosion |
| 02/09/2012 | US20120031607 Downhole Well Communications Cable |
| 02/09/2012 | CA2807194A1 Methods and arrangements for carbon dioxide storage in subterranean geological formations |
| 02/08/2012 | EP2414717A1 Apparatus and method for the connection of conduits |
| 02/08/2012 | EP2414628A1 Active in-situ controlled permanent downhole device |
| 02/08/2012 | CN202140069U 岩溶发育地区水下桩基钻孔补水增压装置 Karst areas underwater pile drilling water booster device |
| 02/08/2012 | CN101487385B 一种降低当量循环密度的井下工具 A method of reducing the equivalent circulating density downhole tool |
| 02/02/2012 | WO2012015512A1 Compositions and methods for protecting metal surfaces from corrosion |
| 02/02/2012 | US20120024535 Suction Pile Wellhead and Cap Closure System |
| 02/01/2012 | CN102341562A Apparatus and method for wireless sensor to monitor barrier system integrity |
| 01/31/2012 | US8104541 Apparatus and method for processing fluids from a well |
| 01/31/2012 | CA2504804C Apparatus and method for opening and closing lateral boreholes |
| 01/26/2012 | WO2012010898A2 Well |
| 01/26/2012 | WO2012010897A2 A safety mechanism for a well, a well comprising the safety mechanism, and related methods |
| 01/26/2012 | CA2805956A1 Well |
| 01/26/2012 | CA2805955A1 A safety mechanism for a well, a well comprising the safety mechanism, and related methods |
| 01/26/2012 | CA2804913A1 Bacterial control of water based fluids during subsurface injection and subsequent residence time in the subterranean formation |
| 01/24/2012 | CA2659541C Impulse rotor generator |
| 01/24/2012 | CA2529135C System and method for transmitting electric power into a bore hole |
| 01/19/2012 | WO2011109270A3 Downhole static power generator |
| 01/19/2012 | WO2011073631A3 System and method for lateral wellbore entry, debris removal, and wellbore cleaning |
| 01/18/2012 | EP2406353A2 Carbon management and sequestration from encapsulated control infrastructures |
| 01/18/2012 | CN102325959A Water treatment following shale oil production by in situ heating |
| 01/17/2012 | US8096353 Oilfield nanocomposites |