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
06/03/2014CA2694655C Reclamation of formate brines
06/03/2014CA2643251C Hydrocarbon fluid compositions and methods for using same
06/03/2014CA2594108C Drilling fluid and methods
05/2014
05/30/2014WO2014081417A1 Dynamic agitation control apparatus, systems, and methods
05/30/2014WO2014081372A1 Device relating to a flushing head for a rock drilling machine and rock drilling machine
05/30/2014WO2014055598A3 Apparatus, system, and method for controlling the flow of drilling fluid in a wellbore
05/29/2014US20140144708 Modular Rig Design
05/29/2014US20140144706 Rotating continuous flow sub
05/29/2014US20140144703 Systems and methods for subsea drilling
05/28/2014EP2735694A1 Plug and pump system for routing pressurized fluid
05/28/2014CN203614065U 岩屑分类处理装置 Lithic classification processing unit
05/28/2014CN203614064U 一种锚杆孔间距可调的钢带 One kind of adjustable steel bolt hole spacing
05/28/2014CN203614031U 一种双速、双扭矩履带式液压切削钻机 A two-speed, dual-torque crawler hydraulic cutting rig
05/28/2014CN103821471A 注水泥完井后筛管外水泥环的处理方法 After cementing and completion screen treatment outside the cement sheath
05/28/2014CN103821470A 油井注热氮气洗井工艺方法及系统 Note well hot nitrogen flushing process method and system
05/28/2014CN103821469A 一种高粉粘粒含量地层地下连续墙泥浆控制方法 Powder formation of a high clay content control method of underground continuous wall of mud
05/28/2014CN103821453A 水力脉冲增压欠平衡钻井装置 UBD pressurized hydraulic pulse device
05/28/2014CN102434098B 煤矿用液压五臂锚杆钻车 Mine hydraulic five-arm bolt Drill
05/27/2014US8735141 Vermiculture compositions
05/27/2014US8733474 Flow control diverter valve
05/27/2014US8733445 Disposable downhole tool
05/22/2014WO2014078105A1 While drilling valve system
05/22/2014WO2014078028A1 Apparatus and method for milling/drilling windows and lateral wellbores without locking using unlocked fluid-motor
05/22/2014WO2014077884A1 Systems and methods for determining enhanced equivalent circulating density and interval solids concentration in a well system using multiple sensors
05/22/2014US20140138323 Actuated arm for use with a shaker
05/22/2014US20140138159 Method of using biologically-derived monoesters as drilling fluids
05/21/2014EP2733304A1 An inflow assembly
05/21/2014EP2732124A2 Injection flocculation and compression dewatering unit for solids control and management of drilling fluids and methods relating thereto
05/21/2014EP2731695A2 Injection flocculation and compression dewatering unit for solids control and management of drilling fluids and methods relating thereto
05/21/2014CN203603820U 一种煤矿打钻用瓦斯防喷及密封除尘装置 One kind of coal mine gas drilling BOP and seal with dust removal device
05/21/2014CN203603812U 无限开关旁通阀和钻井系统 Unlimited switch bypass valve and drilling systems
05/21/2014CN203603811U 节流调压过滤器 Throttle regulator filter
05/21/2014CN203603810U 一种废弃钻井物不落地随钻处理系统 One kind of thing does not fall drilling waste treatment system while drilling
05/21/2014CN203603809U 一种便于录井仪器监测的测量装置 A measuring device for easy monitoring of logging equipment
05/21/2014CN203603808U 一种矿用空气射流钻孔除尘器 A mine drilling dust with air jets
05/21/2014CN203603807U 钻井液循环系统 Drilling fluid circulation system
05/21/2014CN203603806U 岩屑运移模拟装置 Cuttings transport simulator
05/21/2014CN203603805U 连续油管冲砂洗井工具 Coiled tubing tool red sand wells
05/21/2014CN203603804U 钻井液动态除硫效果监测装置 Drilling fluid dynamic effects in addition to sulfur monitoring device
05/21/2014CN203603803U 换向滑套及冲砂作业装置 Commutation bushes and sand washing operation means
05/21/2014CN103806855A 一种巨厚盐岩地层钻井液密度的确定方法 A method to determine the thick mud density of salt rock formations
05/21/2014CN102296929B 非开挖导向钻机用搅泥沙器 Trenchless-oriented drills, stir sediment filter
05/20/2014US8727037 Well control operational and training aid
05/20/2014US8727008 Tool for removing debris from a wellbore
05/20/2014US8727007 Shale gas waste water treatment method
05/20/2014US8726982 Method of producing gaseous and liquid components from one or more multi-phase streams and apparatus therefor
05/20/2014CA2671526C Controlling transient pressure conditions in a wellbore
05/15/2014WO2014074295A1 Thermal treatment of a volume of porous contaminated material
05/15/2014US20140135237 Expandable Coating for Solid Particles and Associated Methods of Use in Subterranean Treatments
05/15/2014US20140131114 Sieve cloth and method of using same
05/15/2014US20140131104 Systems and methods for performing high density sweep analysis using multiple sensors
05/15/2014US20140131030 Ecologically sensitive mud-gas containment system
05/15/2014US20140131029 While Drilling Valve System
05/14/2014EP2729656A2 Downhole polymer foam applications
05/14/2014CN203594783U 新型动力头冲管密封装置 The new power head red tube sealing device
05/14/2014CN203594434U 分层解堵开关及分层解堵管柱 Layered switch and plugging plugging column stratification Solutions
05/14/2014CN203594392U 油田作业修井液正反循环装置 Oilfield jobs workover fluid reverse circulation device
05/14/2014CN203594391U 循环灌注计量罐 Perfusion measuring tank
05/14/2014CN203594390U 多功能集油箱 Multifunction collection tank
05/14/2014CN203594389U 油气钻井放喷装置 Oil and gas drilling blowout device
05/14/2014CN203594388U 一种基于剪切速率相等原理的固井冲洗液评价装置 Based on the principle of equal shear rate evaluation device cementing rinse
05/14/2014CN203594387U 一种定压冲砂笔尖 One kind of constant pressure washed sand nib
05/14/2014CN203594354U 泵压反循环钻井系统 Pump reverse circulation drilling system
05/14/2014CN103797210A 用于在柔性立管的环空内循环流体的方法、系统和设备 For flexible riser annulus fluid inside the loop method, system and apparatus
05/14/2014CN103790618A 一种矿用水浴式孔口防喷及除尘装置 One kind of mine water bath opening blowout preventer and dust removal device
05/14/2014CN103790530A 钻井流体转向切换控制系统 The steering control system switches the drilling fluid
05/14/2014CN103790529A 煤层气排采反洗装置及方法 Gas Recovery backwash device and method
05/14/2014CN103790528A 基于fpga的海底泥浆举升泵控制技术 Fpga based subsea mud lift pump control technology
05/14/2014CN103790527A 井下高频压力脉冲发生装置 Downhole pressure pulse generator of high frequency
05/14/2014CN103790521A 水平井安全高效泥浆钻井射流磨钻头 Safe and efficient mud drilling horizontal wells jet mill drill
05/13/2014US8720554 Apparatus and methods of flow testing formation zones
05/13/2014CA2756093C Rotating control head radial seal protection and leak detection systems
05/13/2014CA2689912C Method for controlling loss of drilling fluid
05/08/2014WO2014070482A1 Reciprocating and rotating section and methods in a drilling system
05/08/2014WO2014069948A1 Pump and gas booster using same
05/08/2014WO2014069947A1 Punching device using water hammer
05/08/2014WO2013113002A3 A method to control the environment in a laser path
05/08/2014US20140124267 Drilling apparatus with continuous rotation while tubular is being added
05/08/2014US20140124201 Nozzle Selective Perforating Jet Assembly
05/08/2014CA2856307A1 Reciprocating and rotating section and methods in a drilling system
05/07/2014EP2726698A1 Method for removing contaminants from wastewater in hydraulic fracturing process
05/07/2014EP2726219A1 Sieve cloth and method of using same
05/07/2014CN203584344U 电泵井用防砂洗井阀 Well pump valve with anti-sand wells
05/07/2014CN203584343U 一种由非开挖钻机提供液压动力的泥浆混配站 An offer by trenchless drilling rig mud mixed hydraulic power station
05/07/2014CN203584342U 一种冲洗系统 One kind of irrigation system
05/07/2014CN203584334U 一种便携式井口装置 A portable wellhead
05/07/2014CN203584301U 引孔设备 Cited hole equipment
05/07/2014CN203584300U 自带卷扬设备的锚杆机 Hoisting equipment comes bolting machine
05/07/2014CN203584298U 用于软煤岩钻进双通道多孔紊流卸压钻具 For soft coal and rock drilling Dual porous turbulent relief drill
05/07/2014CN203577416U 油水井洗井液过滤装置 Oil wells flushing fluid filtration device
05/07/2014CN103775049A 一种控压钻井实验装置及其控制方法 One kind MPD experimental apparatus and control method
05/07/2014CN103775011A 井筒压力控制系统及控制方法 System and method for controlling wellbore pressure control
05/07/2014CN103775010A 一种水平段气体钻井用井眼净化工具 A horizontal section of a gas drilling hole cleaning tool
05/07/2014CN103775009A 随钻动力岩屑床清除器 Power drill cuttings bed with Eraser
05/07/2014CN103773408A 一种从油基泥浆钻井废弃物中回收油基泥浆和油基工艺 A process for recovering oil-based mud and oil-based processes from oil-based drilling mud waste
05/06/2014US8716198 Prevention and remediation of water and condensate blocks in wells
05/06/2014US8714284 Weight-on-bit drill sub
05/06/2014US8714283 Foamer/sulfur scavenger composition and methods for making and using same
05/06/2014CA2742325C Recirculation bin for drill tailings having deflector means, and a drill tailings handling apparatus
05/01/2014WO2014066430A2 Method and system for identifying a self-sustained influx of formation fluids into a wellbore
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