| Patents for E21B 37 - Methods or apparatus for cleaning boreholes or wells (5,129) |
|---|
| 11/20/2014 | US20140338926 Recovery Type Pipeline Service Pig |
| 11/20/2014 | US20140338916 Methods and Compositions of Improving Wellbore Cleanout Treatments |
| 11/20/2014 | US20140338915 Particles containing one or more controlled release cross-linked active agents |
| 11/18/2014 | US8887836 Drilling systems for cleaning wellbores, bits for wellbore cleaning, methods of forming such bits, and methods of cleaning wellbores using such bits |
| 11/13/2014 | US20140332220 Polyurethane activator-breaker fluid system |
| 11/11/2014 | US8881823 Environmentally friendly low temperature breaker systems and related methods |
| 11/11/2014 | US8881822 Non-aqueous breaker fluids and methods of use thereof |
| 11/11/2014 | US8881811 Additives to suppress silica scale build-up and methods of use thereof |
| 11/06/2014 | US20140326451 Vortex plunger arrangement |
| 10/30/2014 | US20140318797 Acid injection |
| 10/28/2014 | US8869884 Diverter cup assembly |
| 10/23/2014 | US20140311748 Apparatus and Methods for Inspecting and Cleaning Subsea Flex Joints |
| 10/23/2014 | US20140311746 Use of chelants in formate-based solutions to dissolve residual filtercakes in subterranean wells |
| 10/23/2014 | US20140311528 Cleaning tool and a method for treating an inner surface of a casing |
| 10/21/2014 | US8863836 Systems and methods for logging cased wellbores |
| 10/21/2014 | US8863827 Jet pump for use with a multi-string tubing system and method of using the same for well clean out and testing |
| 10/16/2014 | US20140305877 Apparatuses and methods for generating shock waves for use in the energy industry |
| 10/16/2014 | US20140305652 Method and Apparatus for Removing Liquid from a Horizontal Well |
| 10/16/2014 | US20140305641 Ceramic screen |
| 10/14/2014 | US8857517 Wellbore cleanout tool |
| 10/09/2014 | WO2014165249A1 Compositions for hydraulic fracturing and drilling |
| 10/08/2014 | EP2785967A1 A cleaning tool and a method for treating an inner surface of a casing |
| 10/02/2014 | WO2014160716A2 System and method for removing debris from a downhole wellbore |
| 10/02/2014 | US20140290958 Use of Nanoparticles in Cleaning Well Bores |
| 10/02/2014 | US20140290955 Method |
| 10/02/2014 | US20140290952 Flameless Heating Method |
| 10/02/2014 | US20140290951 Filtercake removal using exothermic in-situ nitrogen-producing reactants |
| 10/02/2014 | US20140290692 Methods of Mitigating Bituminous Material Adhesion Using Nano-Particles |
| 09/30/2014 | US8844631 Debris removal system for downhole closure mechanism, and method thereof |
| 09/30/2014 | US8844622 Wellbore cleaning method and apparatus |
| 09/30/2014 | CA2786077C Additive and method for removal of impurities formed due to sulfur compounds in crude oils containing calcium naphthenate |
| 09/26/2014 | CA2847947A1 Anti-accretion additives, drilling fluid compositions and methods of use thereof |
| 09/25/2014 | WO2014151306A2 Downhole tool for debris removal |
| 09/24/2014 | EP2780536A1 Equalized hydrostatic bailer |
| 09/23/2014 | US8839856 Electromagnetic wave treatment method and promoter |
| 09/18/2014 | WO2014145131A1 Scrubbing debris from a bored well |
| 09/18/2014 | US20140263095 Chemical strainer |
| 09/18/2014 | US20140262300 Scrubbing debris from a bored well |
| 09/12/2014 | WO2014137335A1 Bonded slickline and methods of use |
| 09/10/2014 | EP2773843A1 System and method for converting class ii hydrate reservoirs |
| 09/09/2014 | US8826986 Downhole scraper |
| 09/04/2014 | WO2014133393A1 Blowout preventer cleaning tool |
| 09/02/2014 | US8822390 Scale inhibitor |
| 08/28/2014 | WO2014130021A1 Securing connections in alternate path well screens |
| 08/28/2014 | US20140238684 Debris evacuator for cleaning a masonry bore |
| 08/28/2014 | US20140238123 Snorkel Tube with Debris Barrier for Electronic Gauges Placed on Sand Screens |
| 08/27/2014 | EP2770161A1 Development and rehabilitation of wells and springs by a rotary nozzle device with angle adjustable nozzles |
| 08/26/2014 | CA2749844C Oil-based wellbore cleaning fluids and methods of using same |
| 08/21/2014 | WO2014126747A1 Eco-friendly cleaners for oilfield equipment |
| 08/21/2014 | WO2013188093A3 Application of high intensity focused ultrasound to the displacement of drilling mud |
| 08/21/2014 | US20140231546 Development and rehabilitation of wells and springs by a rotary nozzle device with angle adjustable nozzles |
| 08/14/2014 | WO2014123533A1 Crimped nozzle for alternate path well screen |
| 08/14/2014 | WO2014090633A9 Device and method for stimulating and cleaning a fluid-charged bore hole |
| 08/13/2014 | CN203769726U 多功能可调式混加装置 Adjustable mix plus multifunction device |
| 08/13/2014 | CN203769725U 沥青皮刮管器 Asphalt skin scraping hose |
| 08/13/2014 | CN203769724U 洗井清蜡车 Well wax car wash |
| 08/13/2014 | CN203769723U 双重声波涡流防蜡降粘器 Eddy viscosity paraffin double sonic device |
| 08/13/2014 | CN203769722U 一种全季候移动式循环油田洗井车 An all-season oil flushing cycle mobile car |
| 08/12/2014 | US8800660 Debris catcher for collecting well debris |
| 08/12/2014 | US8800575 Apparatus and methods for inspecting and cleaning subsea flex joints |
| 08/06/2014 | CN203756128U 一种油井泵下固体防垢防锈器 An oil pump under solid scaling rust protection |
| 08/06/2014 | CN203756127U 固井钻杆堵塞清除装置 Cementing drill pipe blockage removal device |
| 08/06/2014 | CN203756126U 油管管内清洗刀 Tubing pipe cleaning tool |
| 08/06/2014 | CN203756125U 一种钻井起钻作业刮泥器 One kind of drilling from drilling operations scraper |
| 08/06/2014 | CN103967448A 磁声空化耦合防蜡器 Magnetic coupling acoustic cavitation device Wax |
| 08/06/2014 | CN103967447A 油管蜡堵的清除方法 Tubing wax blocking the removal method |
| 08/06/2014 | CN103967446A 旋流排砂洗井系统 Swirling sand Pai well system |
| 08/05/2014 | US8794322 Additives to suppress silica scale build-up |
| 07/31/2014 | US20140209295 Downhole Pressure Nozzle and Washing Nozzle |
| 07/30/2014 | CN203742553U 一种油井防蜡降粘装置 One kind of paraffin oil viscosity reduction device |
| 07/30/2014 | CN203742552U 三段式油管管内清洗工具 Within a three-stage pipeline pipe cleaning tools |
| 07/30/2014 | CN103953314A 油管蜡堵清除系统 Clear wax blocking the tubing system |
| 07/29/2014 | US8789590 Remote activated deflector |
| 07/29/2014 | US8789587 Monitoring of downhole parameters and tools utilizing fiber optics |
| 07/29/2014 | CA2758495C Slickline conveyed debris management system |
| 07/24/2014 | WO2014113545A1 Methods and apparatus for removing liquid from a gas producing well |
| 07/24/2014 | US20140202700 Biodegradable oil external emulsion for removal of asphaltene and/or paraffin from producing oil wells |
| 07/23/2014 | EP2756111A1 Inhibitors of top-of-line corrosion of pipelines conveying crudes from extraction of hydrocarbons |
| 07/23/2014 | CN203729974U 一种用于井下摄像仪的扶正器 A downhole video camera of centralizers |
| 07/23/2014 | CN203729969U 一种井下三相分离装置 A downhole three-phase separator device |
| 07/23/2014 | CN203729952U 油管清管器 Pipeline pigging |
| 07/23/2014 | CN203729951U 可收放型清管除垢器 Retractable type pigging cleaning device |
| 07/23/2014 | CN203729950U 降粘增油防蜡除垢器 Increasing oil viscosity paraffin cleaning device |
| 07/23/2014 | CN203729949U 一种煤矿用磁致伸缩超声波除垢装置 One kind of magnetostrictive ultrasonic cleaning device for use in mines |
| 07/23/2014 | CN103946477A 用于处理套管的内表面的清洁工具和方法 The inner surface of the cleaning tools and methods for handling the casing |
| 07/23/2014 | CN103939054A 一种油井循环清蜡装置 One kind of wax oil circulation system |
| 07/23/2014 | CN103939053A 一种全季候移动式循环油田洗井车 An all-season mobile-cycle oil washing cars |
| 07/23/2014 | CN103937477A 一种解决油井井下腐蚀可控释放固体缓蚀剂及其制备方法 One solution to controlled release solid oil downhole corrosion inhibitor and its preparation method |
| 07/23/2014 | CN103937475A 二氧化碳酸化解堵剂及酸化后残液不返排工艺 After acidifying agents and carbon dioxide acidizing process residue without flowback |
| 07/23/2014 | CN102140902B 井下注药装置以及估测地热井的闪发深度的方法 Flash fat depth downhole injection apparatus and method for estimating geothermal wells |
| 07/23/2014 | CN101896688B 清除蜡和测量蜡厚度的方法 Remove wax and wax thickness measurement method |
| 07/17/2014 | WO2014110444A2 Jetting tool |
| 07/17/2014 | WO2013109600A3 Methods and apparatuses for wiping subterranean casings |
| 07/17/2014 | US20140196954 Jetting tool |
| 07/16/2014 | CN203716935U 油井连续加药装置 Well continuous dosing device |
| 07/16/2014 | CN203716927U 漂浮完井胶塞 Floating completion stopper |
| 07/16/2014 | CN203716868U 铣削除垢多用钻具 Multi-purpose drill milling descaling |
| 07/16/2014 | CN203716864U 一种刮蜡扶正抽油杆 One kind of scraping wax rod centralizer |
| 07/15/2014 | US8778850 Biodegradable non-reactive oil-well stimulation fluid and method of use |
| 07/15/2014 | US8776885 Sand control device cleaning system |