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)
02/2014
02/06/2014US20140034384 Method and apparatus for expendable tubing-conveyed perforating gun
02/06/2014US20140034327 Connection apparatus and methods
02/06/2014US20140034326 Compliant Dart-Style Reverse-Flow Check Valve
02/06/2014US20140034323 Methods and Compositions for the Controlled Crosslinking and Viscosifying of Well Servicing Fluids Utilizing Mixed Borate Hydrocarbon-Based Suspensions
02/06/2014US20140034322 Well servicing fluid containing compressed hydrocarbon gas
02/06/2014US20140034321 Carbon Dioxide Fractionalization Process
02/06/2014US20140034320 High solids content fluid having degradable oil
02/06/2014US20140034319 Method and Wellbore Servicing Apparatus for Production Completion of an Oil and Gas Well
02/06/2014US20140034309 Micro proppants for far field stimulation
02/06/2014US20140034307 Enhanced oil recovery methods using a fluid containing a sacrificial agent
02/06/2014US20140034306 Enhanced oil recovery methods using a fluid containing a sacrificial agent
02/06/2014US20140034305 Method of Enhancing the Effectiveness of a Cyclic Solvent Injection Process to Recover Hydrocarbons
02/06/2014US20140034304 Method for extracting hydrocarbon compounds, especially crude oil, from underground oil sands deposits
02/06/2014US20140034297 Dispersion of compounds for the stimulation of biogenic gas generation in deposits of carbonaceous material
02/06/2014US20140034296 Well configurations for limited reflux
02/06/2014US20140034294 Fracturing System and Method
02/06/2014US20140034290 Downhole gas generator
02/06/2014US20140034289 Downhole gas generator with multiple combustion chambers
02/06/2014DE102012015153A1 Method for supplying carbon dioxide to drilling platform used for e.g. exploration of crude oil in see during oil and gas production, involves providing resource-line serving for supplying resource, in pipeline of platform
02/06/2014DE102012015064A1 Verfahren zum Betreiben einer Multiphasenpumpe und Vorrichtung dazu A method of operating a multi-phase pump and apparatus to
02/06/2014CA2876217A1 Methods and systems for treating a wellbore
02/05/2014EP2691604A2 High permeability frac proppant
02/05/2014EP2691603A1 Biomass-enhanced natural gas from coal formations
02/05/2014EP2691602A1 System for protecting against undersea oil spills
02/05/2014EP2691601A1 A marine riser isolation tool
02/05/2014EP2691600A2 Apparatus and method for completing wells using slurry containing a shape-memory material particles
02/05/2014EP2691595A2 Single trip liner setting and drilling assembly
02/05/2014CN203423611U Frequency converter and underground frequency conversion exploration and mining system
02/05/2014CN203420904U Sand-prevention abrasion-resistance separator of electric submersible pump
02/05/2014CN203420887U Anti-reversion device for screw pump
02/05/2014CN203420703U High-temperature high-pressure steam injection two-dimensional physical simulation experiment device and system
02/05/2014CN203420701U Gas detection and protection device and extraction drill hole gas detection system
02/05/2014CN203420700U Measuring device for rock fracture steering simulation experiment
02/05/2014CN203420699U Diameter-reducing sliding sleeve
02/05/2014CN203420698U Well completion fracture integrated pipe column for open hole horizontal well
02/05/2014CN203420697U Fracturing sand mulling device
02/05/2014CN203420696U Return prevention device for steam injection oil wells
02/05/2014CN203420695U Tubular column for treating steam channeling at front end of SAGD injection-production horizontal well
02/05/2014CN203420694U Well mouth thickened oil recovery device
02/05/2014CN203420693U Multitube thermal recovery steam injection well head equipment
02/05/2014CN203420692U Novel deep retarded acidification model for water injection well
02/05/2014CN203420691U CO2 injection pump system
02/05/2014CN203420690U Water seeking and separating and production operation integrated tubular column of two layers of sidetrack well
02/05/2014CN203420689U Underground anti-blocking flow controller
02/05/2014CN203420688U Energy-releasing composite synergetic perforator
02/05/2014CN203420687U Vertical shaft oriented perforating device and angle settling tool
02/05/2014CN203420686U Composite sand control screen pipe
02/05/2014CN203420685U Butting auxiliary device used for horizontal well subsection gravel filling
02/05/2014CN203420684U Novel tubular column for oil-well operation
02/05/2014CN203420683U Rack-and-pinion regulator for regulating balance of pumping unit
02/05/2014CN203420682U Pumping unit balance block locking and moving device
02/05/2014CN203420681U Digital full-working-condition and long-stroke hydraulic pumping unit
02/05/2014CN203420680U Balance adjusting booster for pumping unit
02/05/2014CN203420679U Large-displacement composite lifting system for deep well and extra deep well
02/05/2014CN203420678U Low-yield wax-deposition oil well flow string
02/05/2014CN203420677U Horizontal shaft oil pumping unit guide shoe
02/05/2014CN203420676U Intelligent hydraulic energy-saving oil pumping device
02/05/2014CN203420675U Multifunctional chemical feeding funnel conveniently assembled on or disassembled from oil well
02/05/2014CN203419799U Device of clean water-waste water mixed injection
02/05/2014CN103562494A A formation penetrating tool
02/05/2014CN103562493A Perforating gun and arming method
02/05/2014CN103562492A Systems and methods for monitoring operations data for multiple wells in real-time
02/05/2014CN103562491A Containment unit and method of using same
02/05/2014CN103562487A Wellbore pressure control with optimized pressure drilling
02/05/2014CN103557292A Chain belt type pumping unit
02/05/2014CN103557134A Energy consumption-free liquid charge pump for jack well
02/05/2014CN103556990A Oil production well productivity tracking and evaluating method
02/05/2014CN103556980A Coal underground gasification method
02/05/2014CN103556979A Coal underground gasification method
02/05/2014CN103556978A Diversified carbon-dioxide flooding oil extraction method
02/05/2014CN103556977A Multilayer separate injection string passability analysis method
02/05/2014CN103556976A Motor-direct-driven beam-pumping unit
02/05/2014CN103556975A Pulley block extended-range oil pumping unit
02/05/2014CN103556974A Pulley block stroke-lengthened pumping unit with balance weight
02/05/2014CN103556973A Pumping unit intelligent controller with remote monitoring function
02/05/2014CN103556971A Full-bore separate layer fracturing sliding sleeve for oil-gas well operation
02/05/2014CN103555628A Oilfield on-site production method of oil-displacement microbial inoculum
02/05/2014CN103555311A AM/NaAA/APO (acrylamide/sodium acrylate/N-allylphenoxyacetamide) ternary polymer flooding agent and synthesis method
02/05/2014CN102732243B Oil-displacing agent for binary oil displacement and binary oil displacement mining method of oil field
02/05/2014CN102703049B Binary compound oil-flooding composition and application thereof in tertiary oil recovery
02/05/2014CN102678120B Method for releasing pressure and removing danger of rock burst
02/05/2014CN102330545B Oil well sand prevention method for heavy oil reservoir
02/05/2014CN102155206B Homogeneous-phase shunting device used for gas and liquid two-phase flow
02/05/2014CN102108851B Horizontal well steam injection method and system
02/05/2014CN101432499B Gas tight tubular joint or connection
02/04/2014US8641407 Tubing expansion
02/04/2014US8641150 In situ co-development of oil shale with mineral recovery
02/04/2014US8640774 Method of treating a formation
02/04/2014US8640772 Enhanced geothermal systems and reservoir optimization
02/04/2014CA2758335C Methods and composition relating to the chemical degradation of degradable polymers
02/04/2014CA2744975C Apparatus and method for servicing a wellbore
02/04/2014CA2732857C Improved fluid loss compositions and methods of use for subterranean operations
02/04/2014CA2719562C Method of perforating for effective sand plug placement in horizontal wells
02/04/2014CA2559111C Oilfield elements having controlled solubility and methods of use
02/03/2014CA2873986A1 Ball sealer for hydrocarbon resource collection as well as production method therefor and downhole treatment method using same
02/02/2014CA2802876A1 Tower-style double cylinder hydraulic oil pumping unit
02/01/2014CA2784582A1 Method and apparatus for establishing fluid communication between horizontal wells
01/2014
01/31/2014CA2820966A1 Power and control pod for a subsea artificial lift system
01/30/2014WO2014018868A2 Plasma source for generating nonlinear, wide-band, periodic, directed, elastic oscillations and a system and method for stimulating wells, deposits and boreholes using the plasma source
01/30/2014WO2014018789A1 Enhancing energy recovery from subterranean hydrocarbon bearing formations using hydraulic fracturing
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