| 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) |
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| 07/25/2012 | CN102606116A Electromagnetic reversing oil pumping unit |
| 07/25/2012 | CN102606115A Oil pumping unit with fixed ring rack |
| 07/25/2012 | CN102606114A Nonmetal composite continuous tube and electrical submersible pump system |
| 07/25/2012 | CN102606113A Lead screw drive reversing-type long-stroke pumping unit |
| 07/25/2012 | CN102606112A Oil pumping unit |
| 07/25/2012 | CN102606111A Method for preventing tubular column from corrosion in multi-element heat fluid thermal recovery process |
| 07/25/2012 | CN102606110A Composite sliding sleeve, fracturing device and method for increasing well fracturing layer section |
| 07/25/2012 | CN102604605A Inorganic salt dual fluid profile control agent and profile control method thereof |
| 07/25/2012 | CN102022133B Regional gas underground high-pressure jet hole digging, pressure relief and outburst prevention method |
| 07/25/2012 | CN101979917B Natural circulating steam injection boiler fed with high salt-containing softened water and water circulating method |
| 07/25/2012 | CN101885307B Liquid supply vehicle |
| 07/25/2012 | CN101787268B Gel profile control agent for delaying generation of precipitation granules and preparation method thereof |
| 07/25/2012 | CN101691835B Layered high-pressure high-resolution adjustable water injection valve in oilfield |
| 07/25/2012 | CN101624904B Open hole completion well sand resistant pipe string of sidetracking branch well and inserting type acid cleaning filling inner pipe string thereof |
| 07/25/2012 | CN101330954B A gravity separator, and a method for separating a mixture containing water, oil, and gas |
| 07/25/2012 | CN101265800B Oil layer wax-condensing type oil reservoir mining method |
| 07/24/2012 | US8225878 Method and apparatus for expanded liner extension using downhole then uphole expansion |
| 07/24/2012 | US8225877 Downhole release joint with radially expandable members |
| 07/24/2012 | US8225873 Oil well pump apparatus |
| 07/24/2012 | US8225872 Gas handling in a well environment |
| 07/24/2012 | US8225870 Method for making windows in oil well casings |
| 07/24/2012 | US8225866 In situ recovery from a hydrocarbon containing formation |
| 07/24/2012 | US8225863 Multi-zone screen isolation system with selective control |
| 07/24/2012 | CA2658696C Subterranean treatment fluids, friction reducing copolymers, and associated methods |
| 07/24/2012 | CA2573489C Wellhead assembly for hydraulic pumping system |
| 07/24/2012 | CA2569954C Process for stimulating production of hydrogen from petroleum in subterranean formations |
| 07/24/2012 | CA2568574C Process for stimulating production of methane from petroleum in subterranean formations |
| 07/24/2012 | CA2548563C Oil or similar fluid lift piping heating equipment |
| 07/20/2012 | CA2765115A1 Method for updating a reservoir model in real time from dynamic data while retaining its consistency with static comments |
| 07/19/2012 | WO2012096738A2 Gravel packing in lateral wellbore |
| 07/19/2012 | WO2012095833A1 A sleeve for collecting contaminants |
| 07/19/2012 | WO2012095183A1 Autonomous valve |
| 07/19/2012 | WO2012095166A1 Valve arrangement for a production pipe |
| 07/19/2012 | WO2012095118A1 Sleeve for the containment of gas from a leaking well |
| 07/19/2012 | WO2012067898A3 Isolating wet connect components for deployed electrical submersible pumps |
| 07/19/2012 | WO2012037357A3 Tank system |
| 07/19/2012 | US20120183462 Electrochemical Production of Metal Hydroxide Using Metal Silicates |
| 07/19/2012 | US20120181732 Tubing expansion |
| 07/19/2012 | US20120181048 Debris barrier assembly |
| 07/19/2012 | US20120181044 Flow control diverter valve |
| 07/19/2012 | US20120181043 Electric submersible pumping completion flow diverter system |
| 07/19/2012 | US20120181042 No-Go Tag Systems and Methods for Progressive Cavity Pumps |
| 07/19/2012 | US20120181041 Gas Hydrate Harvesting |
| 07/19/2012 | US20120181040 Well-riser Repair Collar with Concrete Seal |
| 07/19/2012 | US20120181039 Filtration systems for chemical fluids |
| 07/19/2012 | US20120181035 Methods of Preparing Degradable Materials |
| 07/19/2012 | US20120181034 High temperature temporary diverter and lost circulation material |
| 07/19/2012 | US20120181033 Nanohybrid phase interfaces for foaming in oil field applications |
| 07/19/2012 | US20120181032 Disintegrating ball for sealing frac plug seat |
| 07/19/2012 | US20120181031 Stimulating and surging an earth formation |
| 07/19/2012 | US20120181030 Goat head type injection block for fracturing trees in oilfield applications |
| 07/19/2012 | US20120181029 Nanohybrid-stabilized emulsions and methods of use in oil field applications |
| 07/19/2012 | US20120181028 Method and system for servicing a wellbore |
| 07/19/2012 | US20120181027 Viscosified Fluids for Remediating Subterranean Damage |
| 07/19/2012 | US20120181026 Perforating gun with variable free gun volume |
| 07/19/2012 | US20120181025 Method and composition for enhanced hydrocarbons recovery from a very high salinity, high temperature formation |
| 07/19/2012 | US20120181024 System and method for controlling formation fluid particulates |
| 07/19/2012 | US20120181023 Apparatus and method for sand consolidation |
| 07/19/2012 | US20120181022 Vda/acid system for matrix acid stimulation |
| 07/19/2012 | US20120181019 Nanohybrid phase interfaces for altering wettability in oil field applications |
| 07/19/2012 | US20120181017 Expandable Device for Use in a Well Bore |
| 07/19/2012 | US20120181016 Collection block with multi-directional flow inlets in oilfield applications |
| 07/19/2012 | US20120181015 Uni-bore dump line for fracturing manifold |
| 07/19/2012 | US20120181012 Downhole Tool Delivery System With Self Activating Perforation Gun |
| 07/19/2012 | DE112009003640T5 Verbesserte Tauchpumpenkühlung durch externe Ölzirkulation Improved submersible pumps cooling by external oil circulation |
| 07/19/2012 | CA2824321A1 Valve arrangement for a production pipe |
| 07/19/2012 | CA2824302A1 Autonomous valve |
| 07/19/2012 | CA2824168A1 Process for the recovery of heavy oil and bitumen using in-situ combustion |
| 07/19/2012 | CA2824132A1 Gravel packing in lateral wellbore |
| 07/19/2012 | CA2764833A1 A method for making resin-coated proppants and a proppant |
| 07/19/2012 | CA2764752A1 High pressure multistage centrifugal pump for fracturing hydrocarbon reserves |
| 07/19/2012 | CA2764106A1 Perforating gun with variable free gun volume |
| 07/18/2012 | EP2476860A1 Filtration systems for chemical fluids |
| 07/18/2012 | EP2475843A2 Subsurface reservoir analysis based on fluid injection |
| 07/18/2012 | CN202338762U 活动式抽油机皮带轮护罩 Activities pumping unit pulley guard |
| 07/18/2012 | CN202338756U 气压式毛辫子保养装置 Pneumatic braids hair care device |
| 07/18/2012 | CN202338481U 气井自动排液柱塞 Gas automatic drain plunger |
| 07/18/2012 | CN202338323U Multi-underground liquid-gas separator |
| 07/18/2012 | CN202338322U 一种管道瓦斯传感器气水分离器 One kind of pipeline gas sensor gas-water separator |
| 07/18/2012 | CN202338321U 大通径免钻分段压裂完井滑套装置 Chase Drive Free drill staged fracturing and completion sleeve means |
| 07/18/2012 | CN202338320U 套管滑套完井分层压裂改造管柱 Cannula sleeve layered fracturing completion string |
| 07/18/2012 | CN202338319U Break-off type pressure safety opening tool |
| 07/18/2012 | CN202338318U Separate-layer fracturing control device |
| 07/18/2012 | CN202338317U Tie-back inserting and sealing device for fracturing |
| 07/18/2012 | CN202338316U 机械隔离可逐级解封的五层分层压裂工艺管柱 Mechanical isolation can be progressively re-opened the five-tiered fracturing string |
| 07/18/2012 | CN202338315U 可缩径套管滑套 Can be reduced diameter cannula sleeve |
| 07/18/2012 | CN202338314U 浮动式气动旋塞阀装置 Floating pneumatic plug device |
| 07/18/2012 | CN202338313U 全井段等径预应力完井工具 Equal prestressed Whole Well completion tool |
| 07/18/2012 | CN202338312U 重力泄水辅助采油系统 Assisted gravity drain oil system |
| 07/18/2012 | CN202338311U 一种火烧油层可取式电点火装置 One kind of ISC desirable electric ignition device |
| 07/18/2012 | CN202338310U 泡排棒自动投放装置 Bubble row bar automatic delivery device |
| 07/18/2012 | CN202338309U 抽油井井下自动定量加药采油管柱 Downhole pumping wells automated quantitative dosing production string |
| 07/18/2012 | CN202338308U 可上下往复移动对井下配水流量进行调节的装置 Can be equipped with a vertical reciprocating motion of the underground water flow regulation device |
| 07/18/2012 | CN202338307U 自动偏心配水器 Auto eccentric water |
| 07/18/2012 | CN202338306U 一种掺水装置 One kind of neat device |
| 07/18/2012 | CN202338305U 一种分层火驱点火注气管柱 A hierarchical fire ignition gas injection string flooding |
| 07/18/2012 | CN202338304U 易打捞可打掉防砂罩卡瓦式井下节流器 Easy salvage can knock down sand cover slip type downhole choke |
| 07/18/2012 | CN202338303U 打掉气嘴防砂型预置式井下节流器 Anti-knock gas nozzle downhole sand preset throttle |
| 07/18/2012 | CN202338302U 具有涡流效应的井下节流器气嘴 With a vortex effect downhole choke gas nozzle |
| 07/18/2012 | CN202338301U 防砂预置式井下节流器 Downhole sand control preset throttle |