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)
06/2014
06/04/2014CN203626667U 一种无限级压裂喷砂滑套开启工具 An infinite level of fracturing sand sleeve opener
06/04/2014CN203626665U 稠油蒸汽吞吐井暂堵增能处理用的井下送料器 Heavy downhole steam stimulation wells treated with temporary blocking energized feeders
06/04/2014CN203626663U Sagd注汽井口闸阀带压更换装置 Sagd pressurized steam injection wellhead valve replacement device
06/04/2014CN203626627U 海上油井采油管柱装置 Offshore oil production string device
06/04/2014CN203626624U 一种水力喷砂射孔大排量压裂工艺管柱 One kind of large displacement hydraulic fracturing sand perforating string
06/04/2014CN203625310U 一种油砂处理用锥底罐 An oil sands processing tank with conical bottom
06/04/2014CN203625309U 一种油砂处理用锥底罐的支撑结构 An oil sands processing with conical bottom tank support structure
06/04/2014CN203625301U 稠油蒸汽吞吐井暂堵增能用的材料块 Heavy oil steam stimulation wells increased use of temporary blocking material block
06/04/2014CN203624916U 测井滑轮 Logging pulley
06/04/2014CN103835698A Single-well and three-phase metering device
06/04/2014CN103835697A Single-well and three-phase metering device
06/04/2014CN103835696A Single-well metering device
06/04/2014CN103835694A Marine large-flow downhole oil-water separator with parallel type whirlcones
06/04/2014CN103835693A Instability prevention fine separation series type hydraulic cyclone oil-water separator
06/04/2014CN103835692A Sealed formation testing process of high hydrogen sulfide well
06/04/2014CN103835691A Natural selection sweet heart temporary plugging volume fracturing method
06/04/2014CN103835690A Repeatedly-used sliding sleeve
06/04/2014CN103835689A Oil layer electrical heating oil extracting device and using method thereof
06/04/2014CN103835688A Double-seal steam-injection and oil-extraction dual-purpose oil pumping device
06/04/2014CN103835687A Method and device for controlling SAGD well steam injection flow
06/04/2014CN103835686A Thick oil thermal exploitation downhole simulation experiment set
06/04/2014CN103835685A Foam self-generating system construction technology for oil fields
06/04/2014CN103835684A Fine directional arc water injection and oil displacement method
06/04/2014CN103835683A Method of extracting shale oil in situ through carbon dioxide
06/04/2014CN103835682A Novel energy-saving pumping unit and oil pumping method
06/04/2014CN103835681A Reciprocating oil pumping device driven by submersible motor
06/04/2014CN103834590A Active thermophilic bacterial strain and applications thereof
06/04/2014CN103834378A Nonyl phenol polyoxyethylene ether sulfonate-containing dibasic compound surfactant
06/04/2014CN102942914B Hydrogenation heat gas chemical yield increasing solution component for low-permeability carbonate reservoir oil well
06/04/2014CN102942912B Hydrogenation heat gas chemical yield increasing solution component for low-permeability sandstone reservoir oil well
06/04/2014CN102676145B High-temperature foaming agent and preparation method thereof
06/04/2014CN102635337B Rapid gas production method implemented after coiled tubing is put in gas well
06/04/2014CN102562004B One-trip tubing string separate-injection coproduction method for thick oil thermal recovery well
06/04/2014CN102428249B Subsea system with subsea cooler and method for cleaning the subsea cooler
06/04/2014CN102418504B Intelligent underground water distribution control device
06/04/2014CN102392625B Gravity water drainage assisted oil recovery method and oil recovery system
06/04/2014CN102383768B Two-phase multi-material online injection water-plugging profile regulating method and equipment
06/04/2014CN102352746B Reducing sliding sleeve of bushing
06/04/2014CN102287171B Automatic delivery device for natural gas well foam water discharge rod
06/04/2014CN102080537B Method and system for determining liquid-vapor interface between double horizontal SAGD (Steam Assisted Gravity Drainage) reservoir wells
06/04/2014CN101936155B Distributed structure of horizontal section of multi-branch horizontal coal bed methane well
06/04/2014CN101929329B Gravel filling sand control device of horizontal well screen pipe
06/04/2014CN101842552B Addition of zwitterionic surfactant to water soluble polymer to increase the stability of the polymers in aqueous solutions containing salt and/or surfactants
06/04/2014CN101495712B System and method for multivariable control in three-phase separation oil and gas production
06/03/2014US8741191 High density powdered material liner
06/03/2014US8739889 Annular pressure regulating diaphragm and methods of using same
06/03/2014US8739887 Check valve for well stimulation
06/03/2014US8739878 Method of enhancing fracture conductivity
06/03/2014US8739877 Treatment fluids for wetting control of multiple rock types and associated methods
06/03/2014US8739876 Nanohybrid-stabilized emulsions and methods of use in oil field applications
06/03/2014US8739875 Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
06/03/2014US8739874 Methods for heating with slots in hydrocarbon formations
06/03/2014US8739873 System and method for fluid diversion and fluid isolation
06/03/2014US8739872 Lost circulation composition for fracture sealing
06/03/2014US8739871 Thermally-activated, high temperature particulate suspending agents and methods relating thereto
06/03/2014US8739870 System and method for sealing gravel exit ports in gravel pack assemblies
06/03/2014US8739869 Systems and methods for enhanced waterfloods
06/03/2014US8739867 Mass/volume estimation of contamination, removal and/or in situ treatment using subsurface pressure waves
06/03/2014US8739866 Method for extracting bitumen and/or ultra-heavy oil from an underground deposit, associated installation and operating method for said installation
06/03/2014US8739673 Perforating gun assembly and method for controlling wellbore pressure regimes during perforating
06/03/2014CA2773845C Integrated enhanced oil recovery process
06/03/2014CA2757950C Ported packer
06/03/2014CA2749019C Methods of designing treatment fluids based on solid-fluid interactions
06/03/2014CA2739405C Geochemical control of fracturing fluids
06/03/2014CA2703623C Optimization of untreated oil shale geometry to control subsidence
06/03/2014CA2676679C A method for providing a preferential specific injection distribution from a horizontal injection well
06/03/2014CA2652489C Low residue fluid fracturing system and method of use
06/03/2014CA2643251C Hydrocarbon fluid compositions and methods for using same
06/03/2014CA2570250C Flow control system for use in a well
06/03/2014CA2535251C Process for improving crude oil extraction and facility implementing the process
06/03/2014CA2499071C Self-lubricating expansion mandrel for expandable tubular
05/2014
05/30/2014WO2014082074A2 Methods and system for controlling a linear motor for a deep well oil pump
05/30/2014WO2014082054A1 Stimulation and production completion system
05/30/2014WO2014081761A1 Particles for uptake or sensing of oil and other applications, and related methods
05/30/2014WO2014081668A1 Underwater oil pipeline heating systems
05/30/2014WO2014081482A1 Heater pattern including heaters powered by wind-electricity for in situ thermal processing of a subsurface hydrocarbon-containing formation
05/30/2014WO2014081328A1 Method for enhancing the production of hydrocarbons from a well
05/30/2014WO2014081306A1 An apparatus for controlling fluid flow in or into a well and method of using same
05/30/2014WO2014080255A2 Hydromechanical perforator (variants)
05/30/2014WO2014055598A3 Apparatus, system, and method for controlling the flow of drilling fluid in a wellbore
05/30/2014WO2014045172A3 Low-power-consumption mechanical pumping unit including a vertical motor
05/30/2014WO2013181229A3 Enhanced oil recovery by in-situ steam generation
05/30/2014WO2013074815A3 Gravel pack assembly and method of use
05/30/2014WO2013071081A3 Systems and methods for collecting hydrocarbons vented from a subsea discharge site
05/29/2014US20140147302 Mechanical seal with pfa bellows
05/29/2014US20140147301 Metalized polymer components for use in high temperature pumping applications
05/29/2014US20140144702 Perforating Gun Debris Retention Assembly and Method of Use
05/29/2014US20140144643 Water-in-oil emulsion composition and method of treating subterranean formation using same
05/29/2014US20140144642 Downhole Valve Assembly and Methods of Using the Same
05/29/2014US20140144641 Frac water heating system and method for hydraulically fracturing a well
05/29/2014US20140144640 Method of gas and oil production from shale, oil sands and biomass using proppants and well safety options
05/29/2014US20140144639 Methods for hindering the settling of particulates in a subterranean formation
05/29/2014US20140144638 Methods for Controlling Unconsolidated Particulates in a Subterranean Formation
05/29/2014US20140144635 Methods of Enhancing Fracture Conductivity of Subterranean Formations Propped with Cement Pillars
05/29/2014US20140144634 Methods of Enhancing the Fracture Conductivity of Multiple Interval Fractures in Subterranean Formations Propped with Cement Packs
05/29/2014US20140144633 Methods of Enhancing Fracture Conductivity of Subterranean Formations Propped with Cement Packs
05/29/2014US20140144632 Thermo-gas-generating systems and methods for oil and gas well stimulation
05/29/2014US20140144631 Methods of Forming Functionalized Proppant Particulates for Use in Subterranean Formation Operations
05/29/2014US20140144630 Methods of Treating a Subterranean Formation with Thermally Activated Suspending Agents
05/29/2014US20140144629 Methods for Hindering the Settling of Proppant in a Subterranean Formation
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