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)
03/2012
03/28/2012CN202176322U High temperature high pressure corrosion resisting reservoir simulating device
03/28/2012CN202176321U 抽油机智能监控装置 Pumping intelligent monitoring device
03/28/2012CN202176320U 带有配重箱平稳机构的长冲程抽油机传动装置 Long stroke pumping gear box with a smooth body weight
03/28/2012CN202176319U 抽油机冲次调整装置 Pumping of stroke adjustment device
03/28/2012CN202176318U 铠装胶芯双级水力抽汲器 Armored plastic core dual-stage hydraulic pumping device
03/28/2012CN202176314U 一种多功能洗井车 A multifunctional washing cars
03/28/2012CN202176307U 热采封隔器 Thermal Recovery packer
03/28/2012CN102395753A Open hole frac system
03/28/2012CN102395752A Single well steam assisted gravity drainage
03/28/2012CN102395751A Method and system for producing hydrocarbons from a hydrate reservoir using a sweep gas
03/28/2012CN102395750A Vapor collection and barrier systems for encapsulated control infrastructures
03/28/2012CN102395657A Carbon management and sequestration from encapsulated control infrastructures
03/28/2012CN102395656A Methods of recovering minerals from hydrocarbonaceous material using a constructed infrastructure and associated systems
03/28/2012CN102395655A Intermediate vapor collection within encapsulated control infrastructures
03/28/2012CN102395654A Convective heat systems for recovery of hydrocarbons from encapsulated permeability control infrastructures
03/28/2012CN102395653A Methods of recovering hydrocarbons from hydrocarbonaceous material using a constructed infrastructure and associated systems maintained under positive pressure
03/28/2012CN102392929A Simple lubricating device of middle and tail bearings of walking-beam pumping unit
03/28/2012CN102392861A Safe brake device of oil pumping unit
03/28/2012CN102392680A Hole-bottom straight knife slitting device
03/28/2012CN102392678A Gas drainage method combining surface and underground fracturing and permeability improvement
03/28/2012CN102392677A Permeability improvement technology for coal bed gas reservoir cap by using three-dimensional fracture network modification
03/28/2012CN102392629A Pressurizing device for ground drive downhole oil-water separation injection-production system in same well
03/28/2012CN102392628A Directional cracking device for coal mines
03/28/2012CN102392627A Method for improving oil field recovery rate
03/28/2012CN102392626A Method for exploiting thick-layer heavy oil reservoir by in situ combustion assisted gravity drainage
03/28/2012CN102392625A Gravity water drainage assisted oil recovery method and oil recovery system
03/28/2012CN102392624A Injection-and-production-separated oil well heat-injecting oil production process and units
03/28/2012CN102392623A Air-drive oil production method for low-permeability reservoir
03/28/2012CN102392622A Overburden pressure system for three-dimensional model
03/28/2012CN102392621A Indoor device for simulating site perforation
03/28/2012CN102392620A Wheel type intelligent pumping unit
03/28/2012CN102392618A Pressure difference opened self-locking sliding sleeve
03/28/2012CN102392615A Oil tube tieback inserting sealing device
03/28/2012CN102392607A Continuous heat insulating oil pipe and manufacturing method thereof
03/28/2012CN101514623B Production and installation method of perforation simulation target device for laboratory
03/28/2012CN101148979B Novel method for preparing resin coating sand
03/28/2012CA2753255A1 Methods for reducing biological load in subterranean formations comprising ttpc
03/27/2012US8143197 Aqueous fracturing fluid
03/27/2012US8142108 Riser installation method from an offshore production unit
03/27/2012US8141718 Separation device
03/27/2012US8141648 Multiple-positioning mechanical shifting system and method
03/27/2012US8141647 Method of radially expanding a tubular element
03/27/2012US8141646 Device and method for gas lock detection in an electrical submersible pump assembly
03/27/2012US8141645 Offshore gas recovery
03/27/2012US8141640 System, method and apparatus for enhancing wellbore treatment fluid flexibility
03/27/2012US8141638 Fracturing method and apparatus utilizing gelled isolation fluid
03/27/2012US8141637 Manipulation of flow underground
03/27/2012US8141636 Method and system integrating thermal oil recovery and bitumen mining for thermal efficiency
03/27/2012US8141625 Gas boost circulation system
03/27/2012CA2680022C Apparatus for molding proppants and method
03/27/2012CA2667347C Liner anchor for expandable casing strings
03/27/2012CA2640109C Methods of treating subterranean formations with heteropolysaccharides based fluids
03/27/2012CA2639770C Friction reducing composition and method
03/27/2012CA2617375C Interactive and/or secure activation of a tool
03/27/2012CA2531364C Method of deploying and powering an electrically driven device in a well
03/27/2012CA2476827C Burn assisted fracturing of underground coal bed
03/22/2012WO2012037357A2 Tank system
03/22/2012WO2012037346A1 Simultaneous conversion and recovery of bitumen using rf
03/22/2012WO2012037336A1 Heavy oil recovery using sf6 and rf heating
03/22/2012WO2012037334A2 Cyclic steam stimulation using rf
03/22/2012WO2012037333A2 Aqueous foaming compositions with high tolerance to hydrocarbons
03/22/2012WO2012037306A1 Downhole delivery of chemicals with a micro-tubing system
03/22/2012WO2012037301A2 Return fluid separator
03/22/2012WO2012037230A2 Enhanced recovery and in situ upgrading using rf
03/22/2012WO2012037221A1 Inline rf heating for sagd operations
03/22/2012WO2012037176A1 Rf fracturing to improve sagd performance
03/22/2012WO2012037147A1 Gravity drainage startup using rf & solvent
03/22/2012WO2012037130A1 Pump down liner expansion method
03/22/2012WO2012036984A1 Litz heating antenna
03/22/2012WO2012036860A1 Electrical submersible pump system having high temperature slot, end bell and phase-to-phase insulation
03/22/2012WO2012036859A1 Electrical submersible pump system having high temperature insulation materials
03/22/2012WO2012036805A1 Polymer foam cell morphology control and use in borehole filtration devices
03/22/2012WO2012035293A1 Systems and methods for routing pressurized fluid
03/22/2012US20120067587 Polymer foam cell morphology control and use in borehole filtration devices
03/22/2012US20120067586 Aqueous foaming compositions with high tolerance to hydrocarbons
03/22/2012US20120067585 Treatment of subterranean formations
03/22/2012US20120067584 Hydrocarbon-based fluid compositions and methods of using same
03/22/2012US20120067583 System and method for stimulating multiple production zones in a wellbore with a tubing deployed ball seat
03/22/2012US20120067582 Apparatus and method for fracturing portions of an earth formation
03/22/2012US20120067581 Mechanism for treating subteranean formations with embedded additives
03/22/2012US20120067580 Radio frequency heat applicator for increased heavy oil recovery
03/22/2012US20120067579 Process for enhanced oil recovery using the asp technique
03/22/2012US20120067578 Wellbore tubular cutter
03/22/2012US20120067577 Magnetically Controlled Delivery of Subterranean Fluid Additives for Use in Subterranean Applications
03/22/2012US20120067575 Methods of using invert emulsion fluids with high internal phase concentration
03/22/2012US20120067574 Selective control of flow through a well screen
03/22/2012US20120067573 Method for producing viscous hydrocarbon using steam and carbon dioxide
03/22/2012US20120067572 Radio frequency enhanced steam assisted gravity drainage method for recovery of hydrocarbons
03/22/2012US20120067571 Methods for producing oil and/or gas
03/22/2012US20120067570 Low salinity reservoir environment
03/22/2012US20120067569 Well De-Liquefying System and Method
03/22/2012US20120067568 Method of using carbon dioxide in recovery of formation deposits
03/22/2012US20120067567 Downhole completion system with retrievable power unit
03/22/2012US20120067566 Method for the Use of Nitrates and Nitrate Reducing Bacteria In Hydraulic Fracturing
03/22/2012CA2833528A1 Electrical submersible pump system having high temperature slot, end bell and phase-to-phase insulation
03/22/2012CA2812079A1 Litz heating antenna
03/22/2012CA2811528A1 Downhole delivery of chemicals with a micro-tubing system
03/22/2012CA2811028A1 Systems and methods for routing pressurized fluid
03/22/2012CA2810687A1 Electrical submersible pump system having high temperature insulation materials
03/22/2012CA2809280A1 Aqueous foaming compositions with high tolerance to hydrocarbons
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