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)
12/2014
12/10/2014CN102808600B 一种恒力弹簧节能式采油设备 One kind of energy-saving type production equipment Constant Spring
12/10/2014CN102661139B 基于声波聚焦共振技术破裂岩石的油气田增产方法及装置 Based oil and gas field stimulation method and device for acoustic resonance technology focused rock burst
12/10/2014CN102635345B 煤炭地下气化可视化点火与监控装置 Underground Coal Gasification visualization ignition and monitoring devices
12/10/2014CN102628349B 升降平台式抽油机 Lifting platform pumping unit
12/10/2014CN102606129B 一种薄互层油田开发方法及系统 A thin, interbedded oilfield development methods and systems
12/10/2014CN102606112B 一种抽油机 One kind of pumping
12/10/2014CN102587877B 一种多元热流体驱替工艺 A poly-thermal fluid displacement process
12/10/2014CN102562003B 伺服直驱式抽油机 Servo direct drive pumping
12/10/2014CN102337867B 一种液压抽油系统 A hydraulic pumping system
12/10/2014CN102305058B 新型增效震裂射孔串联装药 The new plug-shattering series perforating charge
12/10/2014CN102287176B 一种煤层压裂液压裂方法 One kind of hydraulic fracturing seam split method
12/10/2014CN102209834B 基于现场中子活化分析确定地下地层中的裂缝几何形态的方法和工具 Based on field neutron activation analysis to determine the underground formation fracture geometry methods and tools
12/09/2014US8909478 Method for calculating the ratio of relative permeabilities of formation fluids and wettability of a formation downhole, and a formation testing tool to implement the same
12/09/2014US8905679 Method of forming subterranean barriers with molten wax
12/09/2014US8905678 Method for transporting minerals and fossil fuels from underwater sources
12/09/2014US8905149 Expandable seal with conforming ribs
12/09/2014US8905144 Variable flow resistance system with circulation inducing structure therein to variably resist flow in a subterranean well
12/09/2014US8905138 System to heat water for hydraulic fracturing
12/09/2014US8905136 Far field diversion technique for treating subterranean formation
12/09/2014US8905135 Zero shear viscosifying agent
12/09/2014US8905133 Methods of zonal isolation and treatment diversion
12/09/2014US8905132 Establishing communication between well pairs in oil sands by dilation with steam or water circulation at elevated pressures
12/09/2014US8905127 Process for enhanced production of heavy oil using microwaves
12/09/2014US8905125 Abrasive perforator with fluid bypass
12/09/2014US8905056 Systems and methods for routing pressurized fluid
12/04/2014US20140358502 Combined migration method for basin modeling
12/04/2014US20140357893 Recovery from rock structures and chemical production using high enthalpy colliding and reverberating shock pressure waves
12/04/2014US20140356069 Cold water piping system including an articulating interface, modular elements, and strainer assembly
12/04/2014US20140356068 Device for collecting and temporarily storing fluids from an underwater source
12/04/2014US20140354031 Solution mining method with elongate sump
12/04/2014US20140353479 Injection For Sampling Heavy Oil
12/04/2014US20140353252 Method of Supplying Engineered Waters for Drilling and Hydraulic Fracturing Operations for Wells and Recapturing Minerals and Other Components from Oil and Gas Production Waste Waters
12/04/2014US20140353250 Use of long chain internal olefin sulfonates
12/04/2014US20140352984 Method and apparatus for using pressure cycling and cold liquid co2 for releasing natural gas from coal and shale formations
12/04/2014US20140352982 Side Pocket Barrier Valve Gas Lift and Mandrel
12/04/2014US20140352973 Method and system for stimulating fluid flow in an upwardly oriented oilfield tubular
12/04/2014US20140352970 Trigger mechanism
12/04/2014US20140352969 Ampholyte polymers and methods of treating subterranean formations with the same
12/04/2014US20140352968 Multi-well simultaneous fracturing system
12/04/2014US20140352967 Multi-component aqueous gel solution for control of delayed gelation timing and for resulting gel properties
12/04/2014US20140352966 Method for Fast and Uniform SAGD Start-Up Enhancement
12/04/2014US20140352962 Ampholyte Polymeric Compounds in Subterranean Applications
12/04/2014US20140352961 Concentrated Borate Crosslinking Solutions For Use In Hydraulic Fracturing Operations
12/04/2014US20140352960 Ampholyte Polymeric Compounds in Subterranean Applications
12/04/2014US20140352959 Diverting systems for use in low temperature well treatment operations
12/04/2014US20140352958 Process for enhancing oil recovery from an oil-bearing formation
12/04/2014US20140352957 Oil Shale Exploitation Method
12/04/2014US20140352956 Production system for producing hydrocarbons from a well
12/04/2014US20140352955 Downhole integrated well management system
12/04/2014US20140352954 Synchronizing pulses in heterogeneous fracturing placement
12/04/2014US20140352953 Integrated Computational Element Analysis of Production Fluid in Artificial Lift Operations
12/04/2014US20140352947 Stimulation method
12/04/2014US20140352946 Controlling bioavailability of nutrient additions in subsurface formations
12/04/2014US20140352538 Spherical Separation Device and Method for Separation
12/02/2014US8902077 Subsea communication system and technique
12/02/2014US8900448 Treatment device
12/02/2014US8899691 Methods for constructing underground borehole configurations and related solution mining methods
12/02/2014US8899346 Perforating assembly control
12/02/2014US8899340 Producing gaseous hydrocarbons from hydrate capped reservoirs
12/02/2014US8899339 Systems and methods for regulating flow in a wellbore
12/02/2014US8899336 Anchor for use with expandable tubular
12/02/2014US8899333 Submarine device
12/02/2014US8899332 Method for building and forming a plug in a horizontal wellbore
12/02/2014US8899327 Method for recovering hydrocarbons using cold heavy oil production with sand (CHOPS) and downhole steam generation
12/02/2014US8899326 Oil recovery process
12/02/2014US8899325 Method for removing contaminants from wastewater in hydraulic fracturing process
12/02/2014US8899321 Method of distributing a viscosity reducing solvent to a set of wells
12/02/2014US8899320 Well perforating with determination of well characteristics
12/02/2014US8899318 Applying an aggregate to expandable tubular
12/02/2014US8899316 Downhole isolation tool having a ported sliding sleeve
12/02/2014US8899313 Cutting unit of a hydromechanical slot perforator
12/02/2014US8899107 Downhole determination of asphaltene content
11/2014
11/27/2014US20140350906 System and Method for Simulation of Gas Desorption in a Reservoir Using a Multi-Porosity Approach
11/27/2014US20140350299 Method and composition for inhibiting asphaltene deposition in a hydrocarbon mixture
11/27/2014US20140346250 Variable asset multiphase ejector for production recovery at the wellhead
11/27/2014US20140345880 Method and apparatus for sequestering co2 gas and releasing natural gas from coal and gas shale formations
11/27/2014US20140345878 Syntactic Foam Frac Ball and Methods of Using Same
11/27/2014US20140345871 Henna Corrosion Inhibitor for Acid in a Well
11/27/2014US20140345870 Methods for Stimulation and Stabilization of Subterranean Formations
11/27/2014US20140345869 Moving liner fracturing method
11/27/2014US20140345868 Method of maintaining oil reservoir pressure
11/27/2014US20140345864 Method for producing coated proppants
11/27/2014US20140345863 Electromagnetically active slurries and methods
11/27/2014US20140345862 Oil Recovery Process
11/27/2014US20140345861 Fishbone sagd
11/27/2014US20140345859 Hydrocarbon recovery facilitated by in situ combustion
11/27/2014US20140345856 Method of drilling a well
11/27/2014US20140345855 Radial fishbone sagd
11/27/2014US20140345485 Support Bracket for Selective Fire Switches
11/25/2014US8898046 Method to improve reservoir simulation and recovery from fractured reservoirs
11/25/2014US8898044 Simulating subterranean fracture propagation
11/25/2014US8898017 Automated hydrocarbon reservoir pressure estimation
11/25/2014US8895482 Constraining pyrite activity in shale
11/25/2014US8895480 Method of fracturing using guar-based well treating fluid
11/25/2014US8894755 Gas-liquid separator
11/25/2014US8894325 Submerged hydrocarbon recovery apparatus
11/25/2014US8893811 Responsively activated wellbore stimulation assemblies and methods of using the same
11/25/2014US8893810 Arrangement of isolation sleeve and cluster sleeves having pressure chambers
11/25/2014US8893809 Flow control device with one or more retrievable elements and related methods
11/25/2014US8893799 Subsurface safety valve including safe additive injection
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