Patents
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)
09/2013
09/03/2013US8522875 Hydrocarbon-based fracturing fluid compositions, methods of preparation and methods of use
09/03/2013US8522874 Weak organic acid as gelation retarder for crosslinkable polymer compositions
09/03/2013US8522871 Method of direct steam generation using an oxyfuel combustor
09/03/2013US8522868 Method for growing and metabolizing microbes
09/03/2013US8522867 Well flow control systems and methods
09/03/2013US8522863 Propellant fracturing system for wells
09/03/2013CA2725345C Integrated hydrogen production and hydrocarbon extraction
09/03/2013CA2706209C Winterizing agents for oil base polymer slurries and method for making and using same
09/03/2013CA2698335C Method and system for increasing production of a reservoir
09/03/2013CA2680695C Downhole burners for in situ conversion of organic-rich rock formations
09/03/2013CA2621655C Method of drilling a stable borehole
09/03/2013CA2582212C Integrated sand control completion system and method
08/2013
08/29/2013WO2013126639A1 Hybrid aqueous-based suspensions for hydraulic fracturing operations
08/29/2013WO2013126546A1 Fiber reinforced elastomeric stator
08/29/2013WO2013126287A1 Methods and systems for subterranean bore hole fracture simulation
08/29/2013WO2013126256A1 High pressure jet perforation system
08/29/2013WO2013126227A1 Screen assembly
08/29/2013WO2013126162A1 Exfoliation of asphaltenes for improved recovery of unconventional oils
08/29/2013WO2013126064A1 Well drilling systems and methods with pump drawing fluid from annulus
08/29/2013WO2013124744A2 Sagd steam trap control
08/29/2013WO2013124742A1 Toe connector between producer and injector wells
08/29/2013WO2013124339A1 Gas treatment system using supersonic separators
08/29/2013WO2013070266A3 Composite cable systems for use in an in situ oil production process
08/29/2013WO2013023948A3 Improvements relating to subsea compression
08/29/2013WO2012140076A3 Method and device for encasing a borehole
08/29/2013US20130220644 Enhanced Expandable Tubing Run Through Production Tubing and Into Open Hole
08/29/2013US20130220639 System and method for raially expanding a tubular element comprising an emergency blow-out preventer
08/29/2013US20130220635 Rotating and Translating Shunt Tube Assembly
08/29/2013US20130220629 Apparatus and method for gas liquid separation in oil and gas drilling operations
08/29/2013US20130220621 Polyboronic Compounds and Processes of Making and Using the Same
08/29/2013US20130220620 Methods, devices, and kits relating to the implementation of gelled fluids having a transient gel microstructure
08/29/2013US20130220619 Methods For High Solid Content Fluids in Oilfield Applications
08/29/2013US20130220618 Method and system for cleaning fracture ports
08/29/2013US20130220616 In Situ Heat Generation
08/29/2013US20130220614 Perforating gun with rotatable charge tube
08/29/2013US20130220613 Transient control of wellbore pressure
08/29/2013US20130220611 Capture device for a bore hole of a fluid source
08/29/2013US20130220607 Methods of using cellulose in various oilfield applications
08/29/2013US20130220606 Screen assembly
08/29/2013US20130220605 Non-hydraulic fracturing and cold foam proppant delivery systems, methods, and processes
08/29/2013US20130220604 Methods For Establishing A Subsurface Fracture Network
08/29/2013US20130220600 Well drilling systems and methods with pump drawing fluid from annulus
08/29/2013US20130220599 External Pressure Testing of Gas Lift Valve in Side-Pocket Mandrel
08/29/2013US20130220598 System for Extracting Hydrocarbons From Underground Geological Formations and Methods Thereof
08/29/2013DE102012000092A1 Vorrichtung und Verfahren zur Gewinnung von kohlenstoffhaltigen Substanzen aus Ölsanden Device and method for the recovery of carbonaceous substances from oil sands
08/28/2013EP2631423A1 Screen apparatus and method
08/28/2013EP2631422A2 Method of conjugated hydrocarbon gas extraction and storage CO2 in horizontal wellbores
08/28/2013EP2631418A2 External pressure testing of gas lift valve in side-pocket mandrel
08/28/2013EP2630329A2 Submersible pump system
08/28/2013EP2630328A2 Fluid injection device
08/28/2013EP2630327A1 Tools and methods for use in completion of a wellbore
08/28/2013CN203162105U Reduction gearbox upper cover for antitheft oil pumping unit
08/28/2013CN203162060U Oil pumping unit belt shield
08/28/2013CN203161681U Energy storage type energy-saving hydraulic oil pumping unit
08/28/2013CN203161202U Gas anchor
08/28/2013CN203161201U Natural gas desulfuration buffering and degassing cylinder applicable to oil production platform
08/28/2013CN203161200U Hydraulic spray gun applicable to multi-stage hydraulic jet fracturing
08/28/2013CN203161199U Hydraulic spray gun for hydraulic jetting and fracturing
08/28/2013CN203161198U Gas-control block-removing oil-increasing device
08/28/2013CN203161197U Shale gas production increasing equipment
08/28/2013CN203161196U Downhole heavy oil recovery device
08/28/2013CN203161195U Oil well injection allocation thermal recovery device
08/28/2013CN203161194U Data collection control device in process of displacement of chemical flooding physical model system
08/28/2013CN203161193U Oilfield closed water injection device based on capsule type gas pressure tank
08/28/2013CN203161192U Heavy oil reservoir multielement hot fluid injection system simulation testing device
08/28/2013CN203161191U Pipe column adopting double electric pumps separate layer oil production technology
08/28/2013CN203161190U Oil-water well sand washing tool
08/28/2013CN203161189U Crank hanging device for oil pumping unit
08/28/2013CN203161188U Energy-saving oil pumping device
08/28/2013CN203161187U Walking-beam pumping unit balancing block moving device
08/28/2013CN203161186U Tubular pile for sand discharging and oil producing technology at sea
08/28/2013CN203161185U Underground production pipe column provided with double electric pumps
08/28/2013CN203161184U Well-flushing anti-pollution acidification production tool
08/28/2013CN203161183U Long-stroke chain-type oil pumping unit
08/28/2013CN203161181U Electronic control ball injector bin gate control mechanism
08/28/2013CN203161180U Agent adding vehicle for oil well
08/28/2013CN203161114U Hydraulic centralizer applicable to multi-stage hydraulic jet fracturing
08/28/2013CN203155407U Sandblaster
08/28/2013CN103270308A High pressure multistage centrifugal pump for fracturing hydrocarbon reserves
08/28/2013CN103270244A System and method for moniitoring strain and pressure
08/28/2013CN103270241A High pressure hydrocarbon fracturing on demand method and related process
08/28/2013CN103270240A Apparatus and method for testing multiple samples
08/28/2013CN103270239A Offshore tower for drilling and/or production
08/28/2013CN103270134A Method for treating hydrocarbon-bearing formations with fluorinated amine
08/28/2013CN103266913A Gas extraction method
08/28/2013CN103266881A Method for predicting yield of compact hypotonic gas field multistage fracturing horizontal well
08/28/2013CN103266879A Layered steam injection measuring system and flow recorder
08/28/2013CN103266877A Proppant reflux control system and control method based on magnetic proppant
08/28/2013CN103266876A Fracturing working method of multilevel hydraulic spraying segmentation fracturing tubular column
08/28/2013CN103266875A Fracturing operation method of multistage hydraulic jet staged fracturing tubular column
08/28/2013CN103266874A Shale gas exploiting method
08/28/2013CN103266873A Connecting structure of multilevel hydraulic spraying segmentation fracturing tubular column
08/28/2013CN103266872A Oil well production increasing process
08/28/2013CN103266871A Injection increasing process of water injection well
08/28/2013CN103266870A Method and system for determining damage radius of oil and gas reservoir water blocking
08/28/2013CN103266869A Horizontal well subsection gravel pack service tool
08/28/2013CN103266868A Horizontal well subsection gravel pack tool
08/28/2013CN103265938A Foam-like fracturing system, preparation method and filling method thereof
08/28/2013CN102257094B Improvement in enhanced oil recovery by polymer without supplementary equipment or product
08/28/2013CN102162341B Hydraulic drive claw installation tool
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