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)
11/2010
11/18/2010US20100288708 Viscosity control and filtration of well fluids
11/18/2010US20100288507 Method and apparatus for controlling bottom hole pressure in a subterranean formation during rig pump operation
11/18/2010US20100288506 Method for Controlling a Hydrocarbons Production Installation
11/18/2010US20100288501 Electric submersible pumping system for dewatering gas wells
11/18/2010US20100288500 Fiber aggregate
11/18/2010US20100288499 Composition and method for stimulation of oil production in sandstone formations
11/18/2010US20100288498 Fluorinated polymer compositions and methods for treating hydrocarbon-bearing formations using the same
11/18/2010US20100288497 In situ method and system for extraction of oil from shale
11/18/2010US20100288496 Radial ball injecting apparatus for wellbore operations
11/18/2010US20100288495 Methods of treating subterranean wells using changeable additives
11/18/2010US20100288494 Microwave-promoted desulfurization of crude oil
11/18/2010US20100288493 Cable suspended pumping system
11/18/2010US20100288491 Subterranean Tubular Cutter with Depth of Cut Feature
11/18/2010US20100288466 Geothermal energy extraction system and method
11/18/2010CA2761802A1 Method and apparatus for strain relief in thermal liners for fluid transfer
11/18/2010CA2761583A1 Fracturing with telescoping members and sealing the annular space
11/18/2010CA2760967A1 In situ method and system for extraction of oil from shale
11/17/2010EP2251525A1 Methods and devices for treating multiple-interval well bores
11/17/2010EP2251524A1 Wellbore treatment
11/17/2010EP2251395A1 Methods for increase gas production and load recovery
11/17/2010EP2250858A1 Apparatus for inductive heating of oil sand and heavy oil deposits by way of current-carrying conductors
11/17/2010EP2250343A2 Borehole imaging and orientation of downhole tools
11/17/2010EP2250341A1 Apparatus, assembly and process for injecting fluid into a subterranean well
11/17/2010EP2250340A2 Hydraulic oil well pumping apparatus
11/17/2010CN201636024U Low-rotary-speed and large-displacement electric submersible screw pump oil-production system
11/17/2010CN201635723U Double-probe automatic flow measuring and adjusting instrument for water injection well
11/17/2010CN201635722U Single-well three-phase automatic metering device of oil field
11/17/2010CN201635714U Underground steam-water separation device for gaining steam injection dryness
11/17/2010CN201635713U Simple fracturing device
11/17/2010CN201635712U Working condition test platform for offshore oilfield development and production system
11/17/2010CN201635711U Well mouth casing gas release device
11/17/2010CN201635710U Air pressure controlling device of oil wall sleeve
11/17/2010CN201635709U Secondary speed reducer
11/17/2010CN201635708U Device for vertically adjusting balance of crank of beam-pumping unit
11/17/2010CN201635707U Oilfield pumping unit driven by permanent magnet brushless DC motor
11/17/2010CN201635706U Tower-type combined transmission oil pumping machine without guide wheels
11/17/2010CN201635705U Double-well swinging arm type oil pumping device
11/17/2010CN201635704U Inclined long-loop rack oil pumping unit
11/17/2010CN201635697U Fractured and acidized oil extraction wellhead device
11/17/2010CN201635654U Multifunctional electric well dredger
11/17/2010CN101886539A Scale separating and removing filter device of oil extracting and transporting equipment
11/17/2010CN101886538A High-efficiency oil sludge water separator
11/17/2010CN101886537A Tractor tower type pumping unit device
11/17/2010CN101886536A Extra-heavy waling beam of pumping unit
11/17/2010CN101886535A Mule-head manual displacement device of pumping unit
11/17/2010CN101886534A Crank of pumping unit
11/17/2010CN101886533A Joint device for two platforms of pumping unit
11/17/2010CN101886532A Safety belt tying device of pumping unit
11/17/2010CN101885307A Liquid supply vehicle
11/17/2010CN101074601B Method for decreasing rock microporous flow resistance
11/16/2010US7833950 using fibers ( polylactic acid, polyglycolic acid or copolymer) to aid in transporting, suspending and placing proppant or gravel in viscous carrier fluids (e.g. carboxymethylhydroxypropyl guar, crosslinked with a zirconate) otherwise having insufficient viscosity to prevent particulate settling
11/16/2010US7833949 Hydraulic fracturing, well cleanup, gravel packing; improved rheology for proppant suspension, transport properties; a diutan heteropolysaccharide having a tetrasaccharide backbone, a diutan reactive peroxide breake (urea peroxide), FeSO4 catalyst, iron impurity control agent (edta), electrolyte (KCl)
11/16/2010US7833947 providing a fluid comprising a carrier fluid and at least two different sizes of solid particulate, pumping the fluid into the wellbore to treat the formation, allowing the first chemical component to be released by the downhole trigger
11/16/2010US7833944 drilling a well bore in a subterranean formation, using a treatment fluid containing a base fluid, a viscosifier, a fluid loss control additive, and a degradable bridging agent such as, an aliphatic polyester ( crosslinked polylactic acid); reduced fluid loss
11/16/2010US7833943 mixing zwitterionic surfactant( laurylamindopropyl betaines or sultaine or alkylamine oxide) a co-surfactant( alkyl alcohol e.g butanol), and water to form a microemulsifier, contacting the microemulsifier with an oleaginous fluid under low shear conditions to form a microemulsion for well bore servicing
11/16/2010US7832490 Compositions containing shape-conforming materials and nanoparticles to enhance elastic modulus
11/16/2010US7832484 Molten salt as a heat transfer fluid for heating a subsurface formation
11/16/2010US7832483 Methods of recovering hydrocarbons from oil shale and sub-surface oil shale recovery arrangements for recovering hydrocarbons from oil shale
11/16/2010US7832482 Producing resources using steam injection
11/16/2010US7832481 Fluid perforating/cutting nozzle
11/16/2010US7832478 Methods for manipulation of air flow into aquifers
11/16/2010US7832477 Casing deformation and control for inclusion propagation
11/16/2010US7832476 Downhole release of friction reducers in gravel packing operations
11/16/2010US7832475 introducing microbial population stimulation amendments, sulfate reduction competition shield amendments, and the like into various hydrocarbon-bearing formations to enhance the production of biogenic methane to hydrocarbon-bearing formations
11/16/2010US7832472 Hydraulic open hole packer
11/16/2010US7832469 Device for remotely actuating the safety lock of individual oil pumping apparatus
11/16/2010US7832468 System and method for controlling solids in a down-hole fluid pumping system
11/16/2010CA2575168C Method for exploitation of gas hydrates
11/16/2010CA2509857C A system and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing
11/16/2010CA2508434C Expandable liner hanger system and method
11/16/2010CA2495856C Device for separating multi-phase fluids
11/14/2010CA2703514A1 Production optimization for oilfields using a mixed-integer nonlinear programming model
11/12/2010CA2703460A1 Methods for increase gas production and load recovery
11/11/2010WO2010129831A2 Gravel pack carrier fluids
11/11/2010WO2010129794A2 High pressure/deep water perforating system
11/11/2010WO2010129792A2 Internally supported perforating gun body for high pressure operations
11/11/2010WO2010129749A1 Gas tolerant subsea pump
11/11/2010WO2010129700A2 Amine sacrificial agents and methods and products using same
11/11/2010WO2010129262A2 Thermal component temperature management system and method
11/11/2010WO2010129225A2 Submersible pump having a two-step control hydraulic valve
11/11/2010WO2010129174A1 Converting organic matter from a subterranean formation into producible hydrocarbons by controlling production operations based on availability of one or more production resources
11/11/2010WO2010128336A1 Liquid pump apparatus and method
11/11/2010WO2010128271A1 Methods of consolidating particulates using a hardenable resin and an organosilane coupling agent
11/11/2010WO2010128270A2 Treatment fluids for reduction of water blocks, oil blocks, and/or gas condensates and associated methods
11/11/2010WO2010127454A1 Pump in reverse outliner drilling system
11/11/2010WO2010104634A3 System and method for dynamically adjusting the center of gravity of a perforating apparatus
11/11/2010WO2010093533A3 Methods and apparatus to perform stress testing of geological formations
11/11/2010WO2010092338A3 Single well steam assisted gravity drainage
11/11/2010WO2010016767A3 Subsurface reservoir drainage system
11/11/2010WO2009129449A3 Methods of treating a hydrocarbon containing formation
11/11/2010WO2009129445A3 Method for treating a hydrocarbon containing formation
11/11/2010US20100284828 Gas-Driven Pumping Device and a Method for Downhole Pumping of a Liquid in a Well
11/11/2010US20100282518 Drainage method for multilayer reservoirs
11/11/2010US20100282477 Sleeve for expandable tubular threaded connection
11/11/2010US20100282474 Subsea overload release system and method
11/11/2010US20100282471 Hydraulic fracturing of subterranean formations
11/11/2010US20100282470 Methods of increasing fracture resistance in low permeability formations
11/11/2010US20100282469 Fracturing with Telescoping Members and Sealing the Annular Space
11/11/2010US20100282468 Fracturing fluid compositions comprising solid epoxy particles and methods of use
11/11/2010US20100282467 Sulfonated internal olefin surfactant for enhanced oil recovery
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