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 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
Patents for E21B 43 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (64,186)
08/2014
08/06/2014CN203759509U 一种深水三相分离器控制系统 Deep water three-phase separator control system
08/06/2014CN203756818U 宽带式抽油机新型组合制动装置 The new combination of broadband pumping unit brake
08/06/2014CN203756619U 抽油机用活塞式蓄能装置 Piston accumulator device pumping unit
08/06/2014CN203756503U 一种油田注聚柱塞泵安全架 One kind of oilfield polymer injection piston aircraft safety
08/06/2014CN203756501U 一种进水装置及水泵组件 An apparatus and a water pump assembly
08/06/2014CN203756152U 原油伴生气闪蒸分离装置 Crude flash separation device associated gas
08/06/2014CN203756151U 冷却分离天然气凝析油回收装置 Separate cooling gas condensate recovery
08/06/2014CN203756150U 油气分离气包 Oil and gas separation air bag
08/06/2014CN203756149U 稠油热力开采井下模拟实验装置 Thermal recovery of heavy oil downhole simulation device
08/06/2014CN203756148U 热敏式热力补偿器 Thermal heat compensator
08/06/2014CN203756147U 一种油层清洁注水装置 One kind of water reservoir cleaning device
08/06/2014CN203756146U 套管保护坐封注水一体化管柱 Protective casing packer integrated water column
08/06/2014CN203756145U 移动式CO<sub>2</sub>注入装置 Mobile CO <sub> 2 </ sub> injection device
08/06/2014CN203756144U 移动式CO<sub>2</sub>注入装置 Mobile CO <sub> 2 </ sub> injection device
08/06/2014CN203756143U 移动式CO<sub>2</sub>注入装置 Mobile CO <sub> 2 </ sub> injection device
08/06/2014CN203756142U 自洁式防砂管柱 Self-cleaning sand column
08/06/2014CN203756141U 一种海上油气田多相流混合输送系统 One kind of offshore oil and gas fields of multiphase flow mixed delivery system
08/06/2014CN203756140U 抽油机防翻装置 Antitilt pumping device
08/06/2014CN203756139U 采油工专用多功能手推车 Oil workers dedicated multifunction trolley
08/06/2014CN203756138U 安全带悬挂器 Belt hanger
08/06/2014CN203756137U 抽油机传动系统盘带装置 Transmission dribbling pumping device
08/06/2014CN203756136U 一种双抽油杆式无功换向抽油机 A dual rod type reactive commutation pumping
08/06/2014CN203756135U 一种深井助抽装置 One kind of deep well pumping system help
08/06/2014CN203756134U 深井采油装置 Deep oil equipment
08/06/2014CN203756120U 一种注水井井口单流阀 An injection wells single wellhead valve
08/06/2014CN203756085U 一种油气井放喷一体化处理装置 Integrated oil gas well blowout processing device
08/06/2014CN103975125A 检测和缓解钻探效率低下的方法 Detection and mitigation inefficient drilling method
08/06/2014CN103975124A 双向井下流体流控制系统和方法 Bidirectional downhole fluid flow control system and method
08/06/2014CN103975120A 增产方法 Yield Methods
08/06/2014CN103975119A 增产方法 Yield Methods
08/06/2014CN103975116A 球座铣削和再压裂方法 Tee milling and re-fracturing method
08/06/2014CN103971577A CO<sub>2</sub>置换开采天然气水合物试验模拟装置 CO <sub> 2 </ sub> substitution extraction of natural gas hydrate test simulator
08/06/2014CN103967995A 矿用液态CO<sub>2</sub>相变致裂装备减震杆及装备 Mine liquid CO <sub> 2 </ sub> phase change fracturing equipment damping rods and equipment
08/06/2014CN103967473A 一种海洋天然气水合物开采井除砂的装置和方法 Apparatus and method for marine gas hydrate exploration wells Desanding of
08/06/2014CN103967472A 一种煤层气分段压裂水平井强化抽采方法 One kind of staged fracturing of horizontal wells strengthen CBM extraction method
08/06/2014CN103967471A 借助立体交错定向射孔技术实现单层多缝的压裂工艺 With the three-dimensional staggered oriented perforating technology to achieve single multi-seam fracturing process
08/06/2014CN103967470A 一种水平井泥岩穿层压裂方法 A horizontal well fracturing shale wear layer method
08/06/2014CN103967469A 一种油气井压裂管柱 One kind of oil and gas wells fracturing string
08/06/2014CN103967468A 一种计数装置及多级全通径投球滑套装置 An apparatus and a multi-level pitching full bore sleeve device counting
08/06/2014CN103967467A 计数装置及多级全通径投球滑套装置 Counting device and multi-level pitching full bore sleeve device
08/06/2014CN103967466A Pgz油田关停井恢复开采及增产新技术 Pgz oil wells shut down mining and recovery yield new technologies
08/06/2014CN103967465A 地下矿物油类太阳能声波反射层加热装置及其加热方法 Underground mineral oils sound reflection layer solar heating apparatus and heating method
08/06/2014CN103967464A 同心管伴热天然气开采方法及专用管柱 Concentric tube with hot gas extraction method and special column
08/06/2014CN103967463A 强化驱油方法 Strengthen flooding method
08/06/2014CN103967462A 使用粘弹性表面活性剂的驱油方法 Use of viscoelastic surfactant flooding method
08/06/2014CN103967461A 一种聚合物调剖辅助微生物循环驱油方法 Profile of a polymer flooding method assisted microbial loop
08/06/2014CN103967460A 一种新型考虑井网影响的油藏边水水侵可视化模拟装置 A new reservoir Well consider the impact of the visual side of the water of the invasion simulator
08/06/2014CN103967459A 污水回注井和该污水回注井的注水方法 Water reinjection wells and the water reinjection wells injection method
08/06/2014CN103967458A 一种防砂段水驱方法 An anti-sand segment waterflood method
08/06/2014CN103967457A 一种地下矿物油类分层按比重开采装置 An underground mineral oils stratified according to the proportion of mining equipment
08/06/2014CN103967456A 一种膨胀筛管 An expansion screen
08/06/2014CN103967455A 盐矿井下采卤筛管 Underground Salt Brine screen
08/06/2014CN103967454A 一种液压控制水下管道水平对接锁紧装置及对接锁紧方法 A hydraulic control of underwater pipelines level locking device and method for docking docking lock
08/06/2014CN103967453A 一种游梁式抽油机 One kind of beam pumping unit
08/06/2014CN103967452A 一种自动刹车控制系统 An automatic brake control system
08/06/2014CN103967451A 抽油机节能离网太阳能光伏供电系统 Pumping energy-powered off-grid solar photovoltaic systems
08/06/2014CN103967450A 高节能智能液压抽油装置 High energy intelligent hydraulic oil rig
08/06/2014CN103967449A 液压式抽油机的运行控制系统以及相应的控制方法 Hydraulic pumping operation control system and the corresponding control method
08/06/2014CN103967411A 母井分支装置，其制造方法和使用其钻分支井的方法 Parent well branching device, its manufacturing method and its use method of drilling wells
08/06/2014CN103965860A 一种助排型植物胶压裂液及其制备方法 A co-row-type plant gum fracturing fluid and its preparation method
08/06/2014CN103965856A 用于驱油的聚表二元体系及驱油方法 Flooding poly table binary system and method for Flooding
08/06/2014CN103965852A 含聚合物和阴阳体系表面活性剂的复合驱油剂及驱油方法 Yin and yang systems containing polymers and surfactant flooding oil and flooding method
08/06/2014CN102678098B 层状水淹枯竭油井堵疏结合的挖潜增产方法 Layered flooded depleted wells tapping the potential yield method block sparse combination
08/06/2014CN102678097B 以氮气作保护膜的超临界水氧化流体注采系统及其工艺 Nitrogen as a protective film of supercritical water oxidation fluid injection and production systems and processes
08/06/2014CN102606119B 定点置放凝胶堵水调剖剂及使用方法 Gel point placement agents use water shutoff profile
08/06/2014CN102493788B 高煤阶煤层气井排水采气的方法 High rank CBM gas production wells and drainage method of
08/06/2014CN102434137B 超低界面张力耦合式空气泡沫驱油方法 Ultra-low interfacial tension coupled air foam flooding method
08/06/2014CN102216559B 井下筛管制造方法 Well screen manufacturing method
08/06/2014CN102213090B 冻土区天然气水合物开采方法及装置 Permafrost gas hydrate mining method and apparatus
08/06/2014CN101994486B 一种隔热油管的连接结构 An insulated tubing connecting structure
08/06/2014CN101892827B 水平井分段优化注汽方法 Horizontal wells to optimize steam injection segmentation method
08/05/2014US8798977 System and method for simulating fluid flow in a fractured reservoir
08/05/2014US8794336 Tool for connecting pipelines
08/05/2014US8794335 Method and apparatus for expendable tubing-conveyed perforating gun
08/05/2014US8794333 Combination blowout preventer and recovery device
08/05/2014US8794332 Annulus vent system for subsea wellhead assembly
08/05/2014US8794331 Tools and methods for use in completion of a wellbore
08/05/2014US8794330 Apparatus for single-trip time progressive wellbore treatment
08/05/2014US8794328 Multilateral bore junction isolation
08/05/2014US8794327 Enhanced oil recovery method using associative polymers
08/05/2014US8794326 Perforating gun with variable free gun volume
08/05/2014US8794325 Method of preparing polymer-water emulsion and further settling a sticky polymer material in downhole environment
08/05/2014US8794324 One trip treatment system with zonal isolation
08/05/2014US8794323 Completion assembly
08/05/2014US8794322 Additives to suppress silica scale build-up
08/05/2014US8794321 Combustion thermal generator and systems and methods for enhanced oil recovery
08/05/2014US8794320 Water injection systems and methods
08/05/2014US8794319 Multistage separator vessel for capturing LPGs
08/05/2014US8794316 Refracture-candidate evaluation and stimulation methods
08/05/2014US8794315 Biogenic fuel gas generation in geologic hydrocarbon deposits
08/05/2014US8794313 Annular gap debris barrier
08/05/2014US8794305 Method and apparatus for removing liquid from a horizontal well
08/05/2014US8794153 Shaped charge liner comprised of reactive materials
08/05/2014CA2819681A1 Casing float tool
08/05/2014CA2765752C Method and device for maintaining sub-cooled fluid to esp system
08/05/2014CA2765401C Method for providing a temporary barrier in a flow pathway
08/05/2014CA2688763C In situ combustion as adjacent formation heat source
08/01/2014CA2841293A1 Apparatus and methods for conducting well-related fluids
07/2014
07/31/2014WO2014117061A1 Pressure inducing charge
07/31/2014WO2014117030A1 Constrained optimization for well placement planning
1 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 ... 642