Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 41 - Equipment or details not covered by groups
Patents for E21B 41 - Equipment or details not covered by groups (7,984)
06/2014
06/05/2014US20140151066 Downhole Hydraulic Control Line
06/05/2014US20140151033 System and method for performing wellbore fracture operations
06/04/2014CN203626749U 内防喷管线与锁紧杆固定装置 BOP pipeline within the locking lever fixtures
06/04/2014CN203626748U 蓄能器橡胶垫 Accumulator rubber
06/04/2014CN203626747U 一种井口工作平台 One kind of work wellhead platform
06/04/2014CN203626746U 光杆卡托器 Cato control rod
06/04/2014CN101495712B System and method for multivariable control in three-phase separation oil and gas production
06/03/2014CA2773845C Integrated enhanced oil recovery process
06/03/2014CA2625178C Methods and computer-readable media for determining design parameters to prevent tubing buckling in deviated wellbores
05/2014
05/30/2014WO2014079961A1 Downhole tool
05/30/2014WO2014014552A3 Flow control system with interchangeable actuators
05/29/2014US20140149096 Method of selecting drill bits
05/29/2014US20140148367 Nanoparticle biocide in industrial applications
05/28/2014EP2735695A1 Downhole tool
05/28/2014EP2735693A1 Tool for locating and plugging lateral wellbores
05/28/2014CN203614081U 一种司钻座椅控制箱体 One kind driller seat control box
05/28/2014CN103827439A 用于在地下地质构造中封存二氧化碳组合物的方法以及用于这种方法的装置 The composition of carbon dioxide sequestration in geological formations underground method and apparatus for this method is used
05/27/2014US8733452 Riser section connector with flanges and external locking ring
05/27/2014CA2708567C Electrical jumper for a producing oil well
05/27/2014CA2369669C Iterative drilling simulation process for enhanced economic decision making
05/22/2014WO2014078364A2 Caliper steerable tool for lateral sensing and accessing
05/22/2014US20140138084 Caliper steerable tool for lateral sensing and accessing
05/21/2014CN103806872A 一种用于海洋油气井喷的控油导流装置 An offshore oil and gas blowout control oil deflector for
05/20/2014US8727028 Plugging a mined-through well
05/15/2014WO2014074967A1 Drilling unit operator station
05/15/2014WO2014072521A2 Subsea actuating device and system for actuating hydraulically operated well tools
05/15/2014US20140131047 Subsea Sour Gas and/or Acid Gas Injection Systems and Methods
05/14/2014CN103790554A 一种用于深海油气井喷的旋转吸油管装置 Rotating suction tube apparatus for deepwater blowout
05/13/2014US8720576 Mounting a module on an underwater structure
05/13/2014CA2496860C Microelectromechanical devices
05/08/2014WO2014068471A1 Method for emptying an oil well and system for the implementation of said method
05/08/2014US20140124192 Protective covering for bottom hole assembly of drilling rig
05/07/2014EP2726705A2 Mobile, modular, electrically powered system for use in fracturing underground formations
05/07/2014EP2726702A1 Downhole tool for determining laterals
05/07/2014EP2726701A1 A method for storing carbon dioxide compositions in subterranean geological formations and an arrangement for use in such methods
05/07/2014CN203584374U 多面形型面联接的钻机推进机构 Polygon-shaped curve surface rig propulsion mechanism
05/07/2014CN203584373U 井下定量连续加药装置及采油设备 Underground quantitative continuous dosing device and production equipment
05/07/2014CN203584334U 一种便携式井口装置 A portable wellhead
05/07/2014CN103775028A 一种钻机供热保温系统 One kind of rig heating insulation system
05/07/2014CN103195394B 增加避台风期间海洋钻井安全作业周期的方法 Increased offshore drilling safety to avoid the typhoon operating cycle approach
05/07/2014CA2832982A1 Cryogenic cleaning methods for reclaiming and reprocessing oilfield tools
05/06/2014CA2552227C Turbine generator system and method
05/05/2014CA2794239A1 Mobile heat dispersion apparatus and process
05/01/2014WO2014066710A2 A multi-lateral re-entry guide and method of use
05/01/2014WO2014064350A1 Method and unit for removing oxygen from a gas flow comprising co2
05/01/2014WO2014064190A2 Method of calculation loads on a subsea component.
05/01/2014US20140116776 Methods and systems for improved drilling operations using real-time and historical drilling data
05/01/2014US20140116730 Method and system for driving a downhole power unit
05/01/2014US20140116728 Multi-lateral re-entry guide and method of use
05/01/2014US20140116679 Oil and gas reservoir electric logging overflow safety control wireline hanger
05/01/2014US20140116675 Wireline tool configurations having improved retrievability
04/2014
04/30/2014CN203570274U Anti-breaking safety device of drilling workover rig
04/30/2014CN203570273U Screw pump drainage well mouth operating platform used on floating drilling platform
04/29/2014US8712747 Decision management system and method
04/29/2014CA2735384C Sneak path eliminator for diode multiplexed control of downhole well tools
04/24/2014US20140110425 System and method for portable dry chemical injection
04/24/2014US20140110167 Method and system for predicting a drill string stuck pipe event
04/24/2014US20140110098 Flexible casing guide running tool
04/23/2014EP2721253A2 Control system for downhole operations
04/23/2014EP2721248A2 Process for utilising waste drill cuttings in plastics
04/23/2014CN203559872U Explosion-proof air channel antifreezing mechanism
04/22/2014US8701796 System for drilling a borehole
04/19/2014CA2815729A1 System and method for portable dry chemical injection
04/17/2014WO2014033557A3 Emulsions to enhance microbial activity in a reservoir
04/17/2014WO2013154420A3 Apparatus and method to remotely control fluid flow in tubular strings and wellbore annulus
04/16/2014CN203547668U Adjustable pumping ring
04/16/2014CN103732853A Method of controlling corrosion rate in downhole article, and downhole article having controlled corrosion rate
04/16/2014CA2825502A1 Method and apparatus for controlling oil well drill site systems
04/15/2014CA2725717C Apparatus and methods for drilling a wellbore using casing
04/15/2014CA2721737C Tear cord for jacketed tube
04/15/2014CA2713405C Segmented decompression resistant cable splice and method of installation
04/10/2014WO2014055719A2 Semi-rigid lockdown device
04/10/2014WO2014055071A1 Systems for and methods of monitoring underground co2 storage
04/10/2014WO2014053056A1 Mobile, modular, electrically powered system for use in fracturing underground formations using liquid petroleum gas
04/10/2014WO2013167872A3 Drilling and lining subsea wellbores
04/10/2014WO2013130236A3 Power source for completion applications
04/10/2014US20140100819 Oil field system data recorder for failure reconstruction
04/10/2014US20140096977 Semi-rigid lockdown device
04/09/2014EP2715056A2 Subsea compressor directly driven by a permanent magnet motor with stator and rotor submerged in liquid
04/09/2014CN203531851U Portable Christmas tree maintenance device
04/03/2014WO2014051694A2 Subsea well containment systems and methods
04/03/2014WO2013083380A3 Method for assessing the performance of a drill bit configuration, and for comparing the performance of different drill bit configurations for drilling similar rock formations
04/03/2014WO2012166550A3 Hydrajetting nozzle and method
04/03/2014US20140090853 Subsea Well Containment Systems and Methods
04/02/2014CN203515490U Flow regulator rubber sleeve dissolution agent putting device
04/02/2014CN203515489U Drilling machine operation platform device
04/02/2014CN203515488U Winter rubber core penetrating auxiliary heating device of single rubber core rotating head
04/02/2014CN203515487U Warning device special for petroleum drilling
04/02/2014CN103696737A Self-locking self-guide universal liquid driving device
03/2014
03/27/2014WO2014009712A3 Deluge system
03/27/2014WO2013127759A3 Washout preventer
03/27/2014US20140083688 Systems and methods of harvesting information from a well-site
03/26/2014CN203499643U Operating platform for minor-repairing of well mouth
03/26/2014CN103670334A Full-automatic adjustable oil well underground continuous agent adding device
03/26/2014CN103670333A Wellhead high-pressure-spraying agentia adding method and device for water injection wells
03/26/2014CN102089493B Offshore unit and method of installing wellhead platform using the offshore unit
03/25/2014CA2828322A1 Drain vent for petroleum/chemical fluid pumping devices and method of making the same
03/20/2014WO2014042619A1 Resilient downhole flow restrictor
03/20/2014US20140076575 System and Method for Producing Through a Multi Bore Tubing Hanger to a Subsea Manifold Without BOP Modifications
03/20/2014US20140076544 Method of treating subterranean formation
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