| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 10/05/2011 | EP2370666A1 Sub-sea chemical injection metering valve |
| 10/05/2011 | EP1766181B1 System for conveying drill cuttings |
| 10/05/2011 | EP1340069B1 Spectral power ratio method and system for detecting drill bit failure and signaling surface operator |
| 10/05/2011 | CN102209833A Disposal of well control fluids |
| 10/05/2011 | CN101089358B Method and apparatus to facilitate wet or dry control line connection for the downhole environment |
| 10/05/2011 | CN101035961B Sleeve arrangement |
| 10/05/2011 | CA2736227A1 Removable hand guard for drilling rig hand tongs |
| 10/04/2011 | CA2655577C Hydraulic metering valve for operation of downhole tools |
| 09/29/2011 | WO2011071903A3 Dissolvable tool and method |
| 09/28/2011 | CN201991508U 一种重力式油井井下连续加药设备 A gravity-type oil underground continuous dosing equipment |
| 09/28/2011 | CN1961133B Case of downhole tool with aperture |
| 09/28/2011 | CN102203417A Diaphragm pumps and transporting drag reducers |
| 09/28/2011 | CN102203376A Pressure relieving transition joint |
| 09/22/2011 | WO2011113845A2 Subsea well intervention module |
| 09/22/2011 | WO2011113449A1 Control and supply unit |
| 09/22/2011 | US20110226486 Apparatus and methods for tubular makeup interlock |
| 09/22/2011 | US20110226483 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 09/22/2011 | CA2793272A1 Subsea well intervention module |
| 09/21/2011 | EP2366866A1 Subsea well intervention module |
| 09/21/2011 | EP2366058A1 Apparatus and method for servicing a wellbore |
| 09/21/2011 | CN201982064U 用于钻井的新型放喷头 Discharge nozzle for drilling of the new |
| 09/20/2011 | CA2598801C Method for optimizing the location of a secondary cutting structure component in a drill string |
| 09/20/2011 | CA2557189C Method and apparatus and program storage device adapted for automatic drill string design based on wellbore geometry and trajectory requirements |
| 09/20/2011 | CA2550480C Depth control in coiled tubing operations |
| 09/19/2011 | CA2733704A1 Electric submersible pump service truck |
| 09/15/2011 | WO2011032019A3 Subsurface reservoir analysis based on fluid injection |
| 09/15/2011 | US20110220348 Coated Oil and Gas Well Production Devices |
| 09/14/2011 | CN201972668U 射流减压装置 Jet decompression device |
| 09/14/2011 | CN201972667U 一种水平井伸缩式打印铅模 A horizontal wells lead telescopic print mode |
| 09/13/2011 | US8016035 Chemical injection check valve incorporated into a tubing retrievable safety valve |
| 09/13/2011 | US8016026 Actuator for downhole tools |
| 09/13/2011 | CA2641965C Particulate matter exclusion device |
| 09/13/2011 | CA2557868C Rotating systems associated with drill pipe for conveying electrical power to downhole systems |
| 09/09/2011 | WO2011108939A1 Device for remote-controlled, submarine machining unit |
| 09/09/2011 | WO2010103002A3 Subsea well template |
| 09/08/2011 | US20110214877 Actuation assembly for riser connection dog |
| 09/08/2011 | US20110214855 Expandable Device for Use in a Well Bore |
| 09/06/2011 | CA2654170C Downhole pressure balanced electrical connections |
| 09/06/2011 | CA2450551C Technique for preventing deposition products from impeding the motion of a movable component |
| 09/01/2011 | US20110209876 Apparatus, System and Method For Releasing Fluids From A Subsea Riser |
| 08/31/2011 | EP2362022A2 Method of removing a platform support post |
| 08/30/2011 | US8009059 Downhole power generation and communications apparatus and method |
| 08/30/2011 | US8006769 Shearing tool and methods of use |
| 08/25/2011 | WO2011044211A3 Method and apparatus for drilling a probabilistic approach |
| 08/25/2011 | US20110203803 Apparatus for subsea intervention |
| 08/25/2011 | US20110203802 Pressure control device with remote orientation relative to a rig |
| 08/25/2011 | US20110203791 Coated sleeved oil and gas well production devices |
| 08/18/2011 | WO2011050020A3 Ball tray organizer for subterranean complex completions |
| 08/18/2011 | US20110198092 Umbilical management system and method for subsea well intervention |
| 08/17/2011 | EP2356312A2 Net with bands of composite material |
| 08/17/2011 | EP1226336B1 Drilling formation tester, apparatus and methods of testing and monitoring status of tester |
| 08/17/2011 | CN1926304B Downhole drilling of a lateral hole |
| 08/17/2011 | CN102155205A Automatic quantitative dosing device under oil well |
| 08/16/2011 | CA2555170C System and method for optimizing production in a artificially lifted well |
| 08/16/2011 | CA2430796C Systems and methods for controlling flow and access in multilateral completions |
| 08/11/2011 | WO2011049861A3 Integrated enhanced oil recovery process |
| 08/11/2011 | US20110192610 Subsea well intervention lubricator and method for subsea pumping |
| 08/11/2011 | US20110192609 Retrievable Subsea Bridge Tree Assembly and Method |
| 08/10/2011 | EP2354813A1 Method for characterising a plume of CO2 in a geological storage aquifer |
| 08/10/2011 | CN201924824U 装饰用冲击钻消声防尘罩 Dust decorative impact drill silencer |
| 08/10/2011 | CN102149898A Process for generating hydrogen |
| 08/09/2011 | US7994103 Method for controlled placement of chemicals and composition useful for practicing same |
| 08/09/2011 | US7992636 Device and method for retrieving debris from a well |
| 08/09/2011 | CA2637231C Apparatus and method for processing drill cuttings |
| 08/04/2011 | US20110188944 Arctic Platform |
| 08/04/2011 | US20110186301 Subsea structure installation or removal |
| 08/03/2011 | EP2350457A1 Diaphragm pumps and transporting drag reducers |
| 08/03/2011 | EP2350434A2 Elastic hollow particles for annular pressure buildup mitigation |
| 08/03/2011 | EP2350424A2 Method and apparatus for subsea installations |
| 08/03/2011 | EP2349522A1 Method for treating sea water with a view to producing injection water for undersea petroleum drilling, and corresponding equipment |
| 08/03/2011 | EP2004954B1 Pre-assembly of a subsea base and pipeline |
| 08/02/2011 | US7990282 Borehole telemetry system |
| 08/02/2011 | US7988384 Arctic platform |
| 08/02/2011 | CA2465735C Flare stack safety system and method of use |
| 07/28/2011 | WO2011090491A1 Downhole device actuator and method |
| 07/28/2011 | WO2011089397A2 System and method for deploying a riser anchor monitoring system on a floating vessel |
| 07/28/2011 | WO2011053585A3 Method of mitigating corrosion rate of oilfield tubular goods |
| 07/28/2011 | CA2787145A1 Wellbore filter screen and related methods of use |
| 07/28/2011 | CA2787141A1 Differential pressure wellbore tool and related methods of use |
| 07/27/2011 | EP2347089A1 Disposal of well control fluids |
| 07/27/2011 | EP2347085A2 Methods and apparatus for mechanical and thermal drilling |
| 07/27/2011 | EP2346753A1 Engineered, scalable underground storage system and method |
| 07/27/2011 | CA2691255A1 Method, system and computer-readable medium for providing a user interface for predicting the physical attributes of a proposed well |
| 07/26/2011 | US7984763 Full bore lined wellbores |
| 07/26/2011 | CA2729475A1 Wet connection system for downhole equipment |
| 07/20/2011 | CN201902198U Long-stop-well operation well control blowout preventer |
| 07/19/2011 | CA2565864C Method and apparatus for completing lateral channels from an existing oil or gas well |
| 07/14/2011 | WO2011038107A3 Method and apparatus for injecting fluid in a wellbore |
| 07/14/2011 | WO2011019750A3 Hydraulic geofracture energy storage system |
| 07/14/2011 | WO2010036547A3 Pressure relieving transition joint |
| 07/14/2011 | US20110170320 Transmitting electric power into a bore hole |
| 07/14/2011 | US20110168403 Wirelessly actuated hydrostatic set module |
| 07/12/2011 | US7975772 Method and system of hydraulic control line connection |
| 07/12/2011 | US7975767 Apparatus for controlling a downhole device |
| 07/12/2011 | CA2494200C Method for controlled placement of oilfield chemicals and composition useful for practicing same |
| 07/12/2011 | CA2485664C Downhole tool deployment safety system and methods |
| 07/07/2011 | WO2011081684A1 Generating power in a well |
| 07/07/2011 | WO2011080292A1 Downhole guiding tool |
| 07/07/2011 | WO2011037595A3 Method and apparatus for determining locations of multiple casings within a wellbore conductor |
| 07/07/2011 | WO2011004183A3 Apparatus and methods for sealing subterranean borehole and performing other cable downhole rotary operations |