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 21 - Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
Patents for E21B 21 - Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor (13,780)
06/2014
06/26/2014US20140174829 Device for a top drive drilling machine for continuous circulation of drilling mud
06/26/2014US20140174723 Defoaming Agent Compositions and Methods of Making and Using Same
06/25/2014EP2744970A2 Drilling fluid pump module coupled to specially configured riser segment and method for coupling the pump module to the riser
06/25/2014CN203669804U 一种螺杆钻具用旁通阀 A screw drill with a bypass valve
06/25/2014CN203669803U 一种固控罐的罐底阀装置 One kind of solid control tank tank bottom valve device
06/25/2014CN203669802U 钻井液集成处理装置 Integrated drilling fluid treatment device
06/25/2014CN203669801U 一种集气排渣放水装置 A set of gas-slag drainage device
06/25/2014CN203669800U 钻机吸尘排渣系统 Drill dust slag system
06/25/2014CN203669799U 一种钻机吸尘器 One kind of rig cleaner
06/25/2014CN203669798U 一种固控罐的清罐装置 One kind of solid control tank clean tank unit
06/25/2014CN203669797U 一种固控罐的罐体结构 Body structure for a solid control tank
06/25/2014CN203669796U 钻机吸尘器排渣机构 Rig cleaner slagging agency
06/25/2014CN203669795U 钻机吸尘器排渣嘴 Rig vacuum cleaner nozzle slag
06/25/2014CN203669794U 一种采油螺杆泵的携砂辅助系统 One kind of oil screw pump sand carrying auxiliary systems
06/25/2014CN203669737U 带吸尘器钻臂 With a vacuum cleaner boom
06/25/2014CN103890310A 用于使流体在柔性管立管的环带内循环的方法和系统 For circulating the fluid in the annulus of the flexible pipe within the riser method and system
06/25/2014CN103883274A 一种矿用钻孔内降温灭尘设备 A borehole mining equipment to cool off the dust
06/25/2014CN102587979B 一种岩盐水溶开采硫酸钠型卤水净化产生的盐泥的处理方法 A type of rock salt brine solution mining sodium salt purification method produces mud
06/19/2014WO2014092387A1 Hydraulic rotating impact apparatus
06/19/2014US20140166364 Monitoring and control systems for continuous circulating drilling operations
06/19/2014US20140166360 Fluid diverter system for a drilling facility
06/19/2014US20140166307 Self clamping shaker screens
06/19/2014US20140166273 Rotating Control Device Docking Station
06/18/2014CN203655196U 深海油井全通径耐高压反向洗井阀 Deepwater wells full bore high pressure reverse flushing valve
06/18/2014CN203655195U 新型钻井专用压力表 The new drilling special gauges
06/18/2014CN203655194U 泥浆回收装置 Mud Recovery
06/18/2014CN203655193U 石油钻井液冷却装置 Oil drilling fluid cooling device
06/18/2014CN203655192U 石油钻机防尘装置 Oil rig dust device
06/18/2014CN203655191U 一种减压可反循环冲洗修井装置 One kind of pressure can reverse circulation flushing workover equipment
06/18/2014CN203655190U 一种钻孔灌注桩清孔设备 Bored one kind of hole cleaning equipment
06/18/2014CN103867152A Manifold system for oil field and fracturing equipment group
06/18/2014CN103867151A Petroleum drilling fluid solid control system bottom valve
06/18/2014CN103867150A Drilling cuttings collecting box
06/18/2014CN103867149A Circulation method of coal bed gas multi-branch horizontal well drilling media
06/18/2014CN103867148A Concentric-tube pulverized coal discharging system and method for coal-bed gas well
06/18/2014CN103867147A Parallel-tube snubbing pulverized coal discharging system for coal-bed gas well
06/18/2014CN103867146A Slurry transferring device for drilling fluid
06/18/2014CN103867119A Coal reservoir well completion renovation method
06/18/2014CN102272410B Method for determining formation integrity and optimum drilling parameters during drilling
06/18/2014CA2837913A1 Drill cuttings treatment system
06/17/2014US8752653 Dual ball upper internal blow out preventer valve
06/17/2014US8752647 Mud motor
06/17/2014US8752636 Tubular handling apparatus
06/17/2014CA2792031C System and method for safe well control operations
06/17/2014CA2650052C A fluid treatment system and method and use of same
06/17/2014CA2581893C Modular pressure control and drilling waste management apparatus for subterranean borehole operations
06/13/2014CA2836182A1 Downhole drilling tool
06/12/2014WO2014089230A2 Method and system of storing data files and retrieving data in a data file and requesting information from a computer
06/12/2014WO2014088812A1 Dual-pump formation fracturing
06/12/2014WO2014087371A1 Control of managed pressure drilling
06/12/2014WO2014087370A1 Control of managed pressure drilling
06/12/2014US20140158431 Drilling waste treatment
06/12/2014US20140158370 System and Method for Servicing a Wellbore
06/11/2014CN203640688U 免提捞可洗井压力开关 Handsfree fishing pressure switch can be washed well
06/11/2014CN203640652U 一种膨胀管膨胀启动器 An expansion tube expander starter
06/11/2014CN203640644U 一种废弃钻井液处理系统及其储液装置 A drilling fluid handling systems and equipment abandoned reservoir
06/11/2014CN203640643U 一种吊顶打孔机 One kind of ceiling drilling machine
06/11/2014CN203640642U 一种矿渣收集装置 One kind of slag collection device
06/11/2014CN203640641U 一种大斜度井及水平井岩屑床清除装置 One kind of highly deviated wells and horizontal wells cuttings bed cleaning device
06/11/2014CN203640640U 高架自动灌浆循环一体装置 Elevated circulating one automatic filling device
06/11/2014CN203640616U 一种非承载式简易钻台 A non-load-style simple rig
06/11/2014CN103850660A Mud circulating method and circulating system for cast-in-place pile construction
06/11/2014CN102691492B System and process of screen pipe completion and cross oil layer cementing for steam injection heavy oil well
06/10/2014US8746366 Downhole downlinking system employing a differential pressure transducer
06/10/2014US8746332 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
06/10/2014CA2756623C Cement shoe assembly for monobore well
06/10/2014CA2756090C Rotating control head radial seal protection and leak detection systems
06/05/2014WO2014085766A1 Vapor displacement method for hydrocarbon removal and recovery from drill cuttings
06/05/2014WO2014084834A1 System and method for monitoring water contamination when performing subterranean operations
06/05/2014WO2014084826A1 Shearable control line connectors and methods of use
06/05/2014WO2013186554A3 Apparatus and method for controlling a part of a downhole assembly, and a downhole assembly
06/05/2014US20140151300 Water treatment process for high salinity produced water
06/05/2014US20140151129 Sieve cloth and method of using same
06/05/2014US20140151128 Low conductivity water based wellbore fluid
06/05/2014US20140151061 Drilling composition, process for its preparation, and applications thereof
06/05/2014US20140151022 Mud Saver Mat for Rig Floors and Other Areas
06/04/2014EP2738235A1 Composition and process for demulsifying oil/water emulsions
06/04/2014EP2738234A1 Composition and process for demulsifying oil/water emulsions
06/04/2014EP2737175A2 System and method for sampling multiphase fluid at a production wellsite
06/04/2014EP2737153A2 Device for producing a bore in the ground, rotary drive device and rotary seal arrangement
06/04/2014CN203626730U 一种带压作业反向单流装置 Reverse flow device with a single press operation
06/04/2014CN203626662U 气液两用的连续循环钻井分流管汇 Dual gas-liquid continuous circulation drilling manifold shunt
06/04/2014CN203626661U 钻井油基钻屑粘附油油相回收装置 Oil-based drilling cuttings adhesion oily phase recovery
06/04/2014CN203626660U 钻井现场油基钻屑粘附油相清除装置 Oil-based drilling site adheres oil phase cuttings removal device
06/04/2014CN203626659U 一种新型钻孔防尘防喷装置 A new drilling dust blowout preventer
06/04/2014CN203626658U 一种筒式井口泥浆收集装置 Wellhead mud collection device for a barrel
06/04/2014CN203626657U 一种钻井泵出口装置 A pump outlet means drilling
06/04/2014CN203626656U 一种正循环多喷嘴负压发生器 A positive cycle of multi-nozzle vacuum generator
06/04/2014CN203626655U 电驱撬装洗井装置 Electric drive skid flushing device
06/04/2014CN203626652U 一种起下管柱钻井液灌注和循环装置 One kind from under the column of drilling fluid perfusion and circulatory system
06/04/2014CN203626607U 一种车载水循环移动桩机 A vehicle-mounted mobile water recycling pile
06/04/2014CN203620937U 自清洁超能振动筛 Self-cleaning super shaker
06/04/2014CN103835679A Multifunctional screw drill tool bypass valve
06/04/2014CN103835661A Local excavation pre-supporting raise boring technology
06/04/2014CN103343672B Clearing device and method for horizontal drilling cuttings bed of petroleum and gas drilling
06/04/2014CN102352730B Process for handling accident of jamming of drilling tool by settled sand
06/04/2014CN102287152B Rotating spray sand cleaning method
06/03/2014US8741072 Use of cuttings vessel for tank cleaning
06/03/2014CA2758583C Slickline conveyed shifting tool system
06/03/2014CA2758443C Slickline conveyed tubular cutter system
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ... 138