| Patents for E21B 37 - Methods or apparatus for cleaning boreholes or wells (5,129) |
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| 03/05/2015 | WO2015030813A1 Removing cured resins from subterranean formations and completions |
| 03/05/2015 | WO2015030760A1 Method for providing step changes in proppant delivery |
| 03/05/2015 | US20150060040 Downhole Cutting Tool Having A Jetted Top Bushing |
| 03/03/2015 | US8967265 Flow control apparatus |
| 02/26/2015 | WO2015026146A1 Drill bit to directly discharge excavated slime above ground and method of using same |
| 02/26/2015 | US20150053405 One trip perforating and washing tool for plugging and abandoning wells |
| 02/26/2015 | US20150053399 Systems and methods for cleaning a well face during formation testing operations |
| 02/24/2015 | US8960297 Well cleanout tool |
| 02/24/2015 | US8960282 Centrifugal subterranean debris collector |
| 02/19/2015 | WO2015023785A1 Combination debris collection and visual validation assembly |
| 02/19/2015 | WO2015023283A1 System and method for changing proppant concentration |
| 02/17/2015 | US8956532 Well water recirculating system |
| 02/17/2015 | US8955584 Drill string mounted rotatable tool and cleaning method |
| 02/17/2015 | CA2614868C Scale inhibiting well treatment |
| 02/12/2015 | WO2015020850A1 Steam generation with carbon dioxide recycle |
| 02/11/2015 | CN104350232A 用于井筒套管内穿孔的二次密封的系统和方法 Secondary containment systems and methods used in the wellbore casing perforations |
| 02/11/2015 | CN104343414A 一种钻具水眼通用固井水泥钻通装置及方法 One kind of common cementing drill water hole drilled through the apparatus and method |
| 02/10/2015 | US8950495 Well cleaning method |
| 02/10/2015 | US8950491 Downhole assembly for treating wellbore components, and method for treating a wellbore |
| 02/05/2015 | WO2015015159A2 Apparatus, system and method for cleaning a borehole |
| 02/04/2015 | CN204140023U 一种多氢酸酸化地面配套结构 A multi-floor supporting structure of hydrogen and sour |
| 02/04/2015 | CN204140022U 油井套管或筛管用自旋转式水力振荡解堵工具 Well casing or screen plugging oscillating tool with a rotary hydraulic self |
| 02/04/2015 | CN204140021U 燃气清蜡装置 Gas wax device |
| 02/04/2015 | CN104329074A 酸化压裂热洗橇 Acid fracturing hot wash skid |
| 02/04/2015 | CN104329053A 集油收球加药一体化集成装置 Set oil futures closed ball Dosing one integrated device |
| 02/04/2015 | CN104329052A 油井机械波涡流降粘防蜡装置 Well mechanical wave eddy viscosity paraffin devices |
| 02/04/2015 | CN102747985B 一种集尘器气动控制系统 A dust collector pneumatic control system |
| 02/03/2015 | US8944160 Pulsating rotational flow for use in well operations |
| 01/29/2015 | WO2015012999A1 One trip drill and casing scrape method and apparatus |
| 01/29/2015 | US20150027714 Swelling Debris Barrier and Methods |
| 01/29/2015 | US20150027713 Non-Rotating Wellbore Casing Scraper |
| 01/28/2015 | EP2828475A2 Drill string mountable wellbore cleanup apparatus and method |
| 01/28/2015 | CN204126600U 气囊式自动刮泥装置 Balloon-type automatic scraper device |
| 01/28/2015 | CN104314485A 一种采油井圆盘式气动卡瓦 One kind of production wells pneumatic disc slips |
| 01/27/2015 | US8939217 Hydraulic pulse valve with improved pulse control |
| 01/22/2015 | US20150021034 Switchable magnetic particle filter |
| 01/21/2015 | CN204113240U 一种用于射孔井段定位及油井解堵的装置 A perforated interval and positioning device for plugging wells |
| 01/21/2015 | CN204113226U 油管内壁除垢刀及油管内壁除垢工具 Tubing wall cleaning knife and tubing wall cleaning tool |
| 01/21/2015 | CN204113225U 弹簧式套管通井刮削器 Well Casing spring through scrapers |
| 01/21/2015 | CN204113224U 一种用于油井解堵增油的超声波发射器 An ultrasonic transmitter by plugging oil wells |
| 01/21/2015 | CN204113223U 一种振动防蜡降粘油管和振动防蜡降粘抽油系统 A vibration tubing and vibration viscosity paraffin wax viscosity pumping system |
| 01/21/2015 | CN204113222U 一种振动防蜡降粘振动片、装置及抽油杆 A vibration vibration plate viscosity paraffin, plant and sucker |
| 01/21/2015 | CN204113198U 温控热洗防污染封隔器 Temperature hot wash stain packer |
| 01/21/2015 | CN204113176U 一种煤层气井打捞工具 One kind of fishing tools CBM wells |
| 01/21/2015 | CN104295275A 一种中高渗砂岩油藏注水井深部解堵增注方法 A medium permeability sandstone reservoir water depth Ministry plugging method by injection |
| 01/21/2015 | CN104295258A 新型通井刮壁一体作业通井规及作业管柱 The new wells scraper pass through one job well regulated and work string |
| 01/21/2015 | CN102536166B 自生泡沫酸化油层深度处理方法 Acidification foam reservoir depth approach autogenous |
| 01/15/2015 | WO2015006093A1 System and method for operating a pump in a downhole tool |
| 01/15/2015 | WO2015004203A1 System for drilling a borehole and use thereof |
| 01/14/2015 | EP2823142A1 A method for combined cleaning and plugging in a well and a flushing tool for flushing in a well |
| 01/14/2015 | CN204098862U 强制式清蜡剂注入装置 Forced wax injection device |
| 01/14/2015 | CN204098861U 一种钻具刮泥器 One kind of drill scraper |
| 01/14/2015 | CN104278971A 水平井分段均匀负压酸洗方法及负压酸洗管柱 Piecewise uniform horizontal wells and vacuum suction method pickling pickling string |
| 01/14/2015 | CN102994061B 热水分注深井高凝蜡清蜡剂 Deep water dispensing hypercoagulable wax paraffin remover |
| 01/13/2015 | US8931558 Flow line cleanout device |
| 01/08/2015 | WO2015003188A1 Apparatus and mehtod for cultivating a downhole surface |
| 01/08/2015 | WO2015000077A1 A mutual solvent for downhole use |
| 01/08/2015 | US20150007991 Method for Establishment of a New Well Path from an Existing Well |
| 01/07/2015 | CN204082117U 一种新式水力抽子 A new type of hydraulic pump son |
| 01/07/2015 | CN204082096U 环保型油气井环空连续加药自动控制装置 Environmentally friendly oil and gas wells annulus continuous dosing automatic control device |
| 01/07/2015 | CN204082095U 一种稠油井陀螺电缆原油回收装置 One kind of thick crude oil recovery gyro cable |
| 01/07/2015 | CN104265240A 一种利用掺水稀释电动式井口加药工艺 A use watered diluted electric wellhead dosing process |
| 01/06/2015 | US8925636 Sampling skid for subsea wells |
| 12/31/2014 | CN204060625U 一种水下井口装置用冲洗工具 Underwater wellhead flushing tool |
| 12/30/2014 | US8919445 Method and system for flow assurance management in subsea single production flowline |
| 12/30/2014 | US8919433 Resilient foam debris barrier |
| 12/25/2014 | US20140374157 Clean out sub |
| 12/25/2014 | US20140374112 Fluid composition for wellbore and pipleline cleanout and method of use thereof |
| 12/25/2014 | US20140374111 Downhole Debris Removal Tool and Methods of Using Same |
| 12/25/2014 | US20140374087 Rotating swivel brush for external cleaning of tubulars |
| 12/24/2014 | CN204042308U 输油管电磁瞬通器 Electromagnetic transient pipeline pass filter |
| 12/24/2014 | CN204041013U 智能型井口加药装置 Intelligent wellhead dosing device |
| 12/24/2014 | CN204041012U 井口加药装置及井口加药系统 Wellhead wellhead dosing device and dosing system |
| 12/24/2014 | CN204041011U 一种注水井油管内壁除垢刮削装置及刮削器 An injection wells tubing wall cleaning scraper and scrapers |
| 12/24/2014 | CN204041010U 油井泵下声波防蜡装置 Paraffin oil pump under sonic device |
| 12/24/2014 | CN204041009U 杆式泵强磁防蜡防卡装置 Wax Anti magnetic rod pump card device |
| 12/24/2014 | CN204041008U 采油井滤水管冲洗装置 Production wells filter pipe flushing device |
| 12/24/2014 | CN204040947U 采油管柱取放装置 Production string handling equipment |
| 12/24/2014 | CN204036314U 一种摘除尼龙刮蜡器的装置 A nylon scraping wax removal device |
| 12/24/2014 | CN104234663A 一种用于油井解堵增油的超声波发射器 An ultrasonic transmitter by plugging oil wells |
| 12/24/2014 | CN102536178B 延长易结垢注水井增注措施周期的方法 Easy to scale injection wells extend the measures by injection cycle approach |
| 12/17/2014 | CN204024596U 综合磁性清管防蜡除垢装置 Integrated magnetic pigging wax cleaning device |
| 12/17/2014 | CN204024571U 高压气井套管头 High pressure gas well casing head |
| 12/17/2014 | CN204024563U 一种带有清蜡装置的井口流程 A wellhead flow device with wax |
| 12/17/2014 | CN104213874A 一种油井空心杆洗井的方法 One kind of oil hollow rod flushing method |
| 12/17/2014 | CN104213873A 一种油井空心杆洗井温度的确定方法 Flushing method for determining the temperature of a hollow rod wells |
| 12/11/2014 | US20140360725 Junk Basket with Self Clean Assembly and Methods of Using Same |
| 12/10/2014 | CN204002707U 三元复合驱防垢井口掺水加药装置 ASP flooding watered wellhead dosing device scaling |
| 12/10/2014 | CN204002706U 密闭分离式套管气回收及加药装置 Separate sealed casing gas recovery and dosing device |
| 12/10/2014 | CN204002705U 磨铣式注水井除垢器 Milling-type injection wells descaling |
| 12/10/2014 | CN204002704U 环空测井电缆刮油器 Annulus wireline scraping oil |
| 12/10/2014 | CN204002703U 无杆采油专用调油除蜡器及带有该除蜡器的装置 Rodless oil means that in addition to a dedicated oil, wax and the wax is antigas |
| 12/10/2014 | CN204002623U 一种抽油杆防偏磨及除蜡装置 One kind of sucker rod and wax device |
| 12/10/2014 | CN104196495A 三元复合驱防垢井口掺水加药装置 ASP flooding watered wellhead dosing device scaling |
| 12/10/2014 | CN104196494A 一种振动防蜡降粘油管和振动防蜡降粘抽油系统 A vibration tubing and vibration viscosity paraffin wax viscosity pumping system |
| 12/10/2014 | CN104196493A 一种振动防蜡降粘振动片、装置及抽油杆 A vibration vibration plate viscosity paraffin, plant and sucker |
| 12/09/2014 | US8905126 Expandable mill and methods of use |
| 12/02/2014 | US8900372 Cryogenic cleaning methods for reclaiming and reprocessing oilfield tools |
| 11/27/2014 | US20140346157 Method to control the environment in a laser path |
| 11/25/2014 | US8893795 Automatic chemical treatment system with liquid level sensor in chemical tank for calibration and chemical dispensing rate control |