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)
12/2014
12/17/2014CN204024539U 环保油污分离清洗回收装置 Environmental clean oil separation recovery
12/17/2014CN204024538U 录井升浮式电动脱气器 Logging liter floating electric degasser
12/17/2014CN204024537U 一种矿用轻型钻机配用孔口除尘装置 Ore with a light rig equipped with orifice dust removal device
12/17/2014CN204024536U 连续循环钻井用分流管汇 Continuous circulation drilling shunt manifold
12/17/2014CN204024464U 一种适用于气体钻井井下动力钻具的隔液排气传动短节 One for gas drilling downhole drilling fluid compartment exhaust drive short section
12/17/2014CN104213895A 水力喷砂射孔压裂与填砂联作工艺方法 Hydraulic fracturing sand perforation associated with sand filling method for process
12/17/2014CN104213867A 一种多功能水井封隔器 A multifunctional wells packer
12/17/2014CN104213859A 一种利用水力压差控制释放的悬挂装置及控制释放方法 An advantage of the hydraulic pressure control release suspension and controlled release method
12/17/2014CN104213833A 水平定向钻穿越施工方法及其钻孔设备 Horizontal directional drilling construction methods and drilling equipment
12/17/2014CN103670306B 一种钻井复杂工况监测装置 A complex condition monitoring devices Drilling
12/17/2014CN102341565B 井眼加固材料回收 Borehole reinforcement material recycling
12/11/2014US20140360538 Intrinsically safe drill cuttings sample cleaning station
12/10/2014CN204002658U 箭型止回阀 Arrow-type check valve
12/10/2014CN204002657U 一种石油钻井液振动筛 A petroleum shale shaker
12/10/2014CN204002656U 小型废弃油基泥浆及含油钻屑中基油随钻回收设备 Small waste oil and oil-based mud cuttings while drilling in the base oil recovery equipment
12/10/2014CN204002655U 一种废弃钻井液处理系统及其絮凝剂添加装置 One kind of waste drilling fluid handling systems and flocculant dosing device
12/10/2014CN204002654U 一种废弃钻井液处理系统及其分离传送装置 One kind of waste drilling fluid handling systems and separate delivery device
12/10/2014CN204002653U 一种钻孔灌注桩滤砂器 Bored one kind of sand filter
12/10/2014CN204002652U 钻机的可伸缩集尘装置 Scalable dust rig equipment
12/10/2014CN204002651U 一种锚杆钻机 One kind Roofbolter
12/10/2014CN204002650U 一种用于教学钻机的机泵组装置 Pump group apparatus for teaching rig
12/10/2014CN204002649U 油井清砂器活塞抽吸装置 Piston oil sand suction device
12/10/2014CN204000845U 一种干取土节能潜孔锤灌注桩及其设备 A dry earth saving DTH pile and its equipment
12/10/2014CN104204406A 用于连续和近连续钻孔的系统和方法 For continuous and near continuous drilling system and method
12/10/2014CN104204131A 并入了磁性碳纳米带和磁性功能化碳纳米带的井筒流体和其使用方法 Incorporated into the wellbore fluid carbon nano magnetic tape and magnetic functional carbon nanoribbons and their use
12/10/2014CN104196481A 一种水平井倒扣解卡方法 A horizontal well stuck upside down method
12/10/2014CN104196474A 钻孔灌注桩临灌前气举清孔装置及其清孔方法 Bored Pro before filling gas lift device and Chiang Khong Chiang Khong method
12/10/2014CN104196473A 控压钻井专用过滤器 MPD special filter
12/10/2014CN104196472A 一种土遗址钻机专用防尘装置 One kind of soil dust ruins rig dedicated device
12/10/2014CN104196471A 一种锚杆钻机 One kind Roofbolter
12/10/2014CN104196450A 一种用于软地质层加固的改进钻具 A soft layer of reinforcement improved geological drill
12/10/2014CN104196445A 一种偏摆式半自动换杆液压凿岩钻机 Semiautomatic change one kind of partial tilting hydraulic rock drill rod
12/10/2014CN103016044B 煤矿井下钻孔的钻进、增透、修复与气驱置换综合方法 Coal mine drilling boreholes, AR, repair and replacement of gas drive an integrated approach
12/10/2014CN102797425B 煤层钻探风水联动雾化除尘、清洗装置 Feng Shui drilling coal linkage atomized dust, cleaning device
12/10/2014CN102704872B 气举反循环泥浆循环系统 Gas lift reverse circulation mud circulation system
12/10/2014CN102650200B 一种免投球式单向堵塞阀 Pitching a no-way valve blockage
12/10/2014CN102619479B 水下大型钻孔灌注桩环保施工技术 Large Bored Pile underwater environment
12/10/2014CN102272411B 钻杆 Drill
12/09/2014US8905627 Polymer blending system
12/09/2014US8905133 Methods of zonal isolation and treatment diversion
12/09/2014US8905056 Systems and methods for routing pressurized fluid
12/04/2014US20140353043 Method of Conversion of a Drilling Mud to a Gel-Based Lost Circulation Material to Combat Lost Circulation During Continuous Drilling
12/04/2014US20140352977 Combination Fluid Pumping Sub and Hanger Lockdown Tool
12/04/2014US20140352951 Fine control of casing pressure
12/02/2014US8899347 System and method of using a saver sub in a drilling system
12/02/2014US8899338 Method and apparatus for installing a wireline for logging or other operations in an under-balanced well
12/02/2014US8899335 Downhole tool
12/02/2014US8899332 Method for building and forming a plug in a horizontal wellbore
12/02/2014US8899105 Slim capacitance sensor for downhole applications
11/2014
11/27/2014US20140346157 Method to control the environment in a laser path
11/27/2014US20140345942 Diverting flow in a drilling fluid circulation system to regulate drilling fluid pressure
11/27/2014US20140345941 Connection maker
11/27/2014US20140345865 Wellsite Surface Equipment Systems
11/27/2014US20140345705 Flow Activated Circulating Valve
11/25/2014US8894320 Diesel recovery system and method
11/25/2014US8893796 Wellbore valve assembly
11/20/2014US20140339178 Shaker and degasser combination
11/20/2014US20140338983 Air-driven degasser assembly
11/18/2014US8888671 Method for disposal of drilling waste, contaminated sediments and residual waste and a disposal facility for same
11/18/2014US8887814 Offshore universal riser system
11/13/2014US20140332282 Method For Cleaning Oil From Drill Cuttings
11/13/2014US20140332269 Delivery method and system
11/13/2014US20140332202 Power Pumping System And Method For A Downhole Tool
11/11/2014US8882969 In-line treatment of hydrocarbon fluids with ozone
11/11/2014US8881847 Dust collecting device for a roof tool
11/11/2014US8881843 Managed pressure and/or temperature drilling system and method
11/11/2014US8881831 Offshore universal riser system
11/06/2014US20140328137 Mixing methods and systems for fluids
11/06/2014US20140326512 Pump Actuated Valve
11/06/2014US20140326511 Enhanced smear effect fracture plugging process for drilling systems
11/06/2014US20140326454 Methods and apparatus for wellbore construction and completion
11/06/2014US20140326445 Subterranean Tool With Sealed Electronic Passage Across Multiple Sections
11/04/2014US8877064 System and method for separating solids from fluids
11/04/2014US8875811 Joint with check valve for a boring apparatus
10/2014
10/30/2014US20140318868 Device and Method for Drilling with Continuous Tool Rotation and Continuous Drilling Fluid Supply
10/30/2014US20140318772 Method and apparatus for controlling the flow of wellbore returns
10/30/2014US20140318768 Pump for controlling the flow of well bore returns
10/30/2014US20140318760 System and Method for the Access of Subterranean Deposits
10/28/2014US8871097 Reclamation of formate brines
10/28/2014US8869914 High power laser workover and completion tools and systems
10/21/2014US8863858 System and method for managing heave pressure from a floating rig
10/21/2014US8863852 Wired multi-opening circulating sub
10/16/2014US20140305705 Method and apparatus for controlling bottom hole pressure in a subterranean formation during rig pump operation
10/16/2014US20140305657 Method and device for riserless drilling fluid recovery
10/16/2014US20140305652 Method and Apparatus for Removing Liquid from a Horizontal Well
10/14/2014US8857540 Method and apparatus for releasing gas pressure from a drill string
10/14/2014US8857537 Method and apparatus for down-the-hole drilling
10/14/2014US8857525 Sealing device and method for sealing a casing
10/14/2014US8857517 Wellbore cleanout tool
10/09/2014WO2014161073A1 Method and apparatus for clearing a well bore
10/09/2014US20140303049 Process for Treating an Underground Formation
10/09/2014US20140299380 Drill string tubular component
10/09/2014US20140299311 System and Method for Accessing Subterranean Deposits
10/08/2014EP2785957A2 Apparatus and method for controlling a downhole device
10/08/2014EP2785956A2 Drill string check valve
10/08/2014EP2785955A1 Modular pumpouts and flowline architecture
10/07/2014US8851181 Method for circulating a fluid entry out of a subsurface wellbore without shutting in the wellbore
10/07/2014US8851179 Process and process line for the preparation of hydraulic fracturing fluid
10/02/2014WO2014160601A1 Frac pump isolation safety system
10/02/2014WO2014159173A1 Completions ready sub-system
1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 138