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)
02/2010
02/16/2010US7662756 Methods for effecting controlled break in pH dependent foamed fracturing fluid
02/16/2010US7662755 Sealant compositions and methods of using the same to isolate a subterranean zone from a disposal well
02/16/2010US7662753 Treating subterranean formations such as well bores with aqueous fluids of biodegradable polymeric surfactants with are block polymers e.g. polyethylene glycol-polylactic acid copolymer; environmental regulations
02/16/2010US7662275 Reverse osmosis and nanofiltration are combined in a process that enables co-production of water streams of variable quality ranging from fresh drinking water to brackish water along with petroleum from shale oil
02/16/2010US7661476 Gravel packing methods
02/16/2010CA2615660C Method of installing tubular string
02/16/2010CA2601122C Methods of using polymer-coated particulates
02/16/2010CA2499792C Thermal actuated plunger
02/16/2010CA2444288C Carbon dioxide compatible non-aqueous crosslinked fracturing fluids and methods for their use
02/16/2010CA2442357C Threaded connection
02/14/2010CA2675734A1 Erosion mitigating apparatus and method
02/11/2010WO2010016947A1 Well stimulation
02/11/2010WO2010016897A2 Apparatus and methods for controlling and communicating with downhole devices
02/11/2010WO2010016770A2 Hydrocarbon production system, method for performing clean-up and method for controlling flow
02/11/2010WO2010016767A2 Subsurface reservoir drainage system
02/11/2010WO2010015841A1 Improved fluid loss compositions and methods of use for subterranean operations
02/11/2010WO2010015796A1 Proppant-containing treatment fluids and methods of use
02/11/2010US20100036544 system for detecting a suspected area
02/11/2010US20100032171 Supercritical Pentane as an Extractant for Oil Shale
02/11/2010US20100032166 Shoulder ring with axial retention means, and tools for installing same
02/11/2010US20100032165 Modeling And Designing of Well Drilling System That Accounts For Vibrations
02/11/2010US20100032164 Sub sea processing system
02/11/2010US20100032162 Fill up and circulation tool and mudsaver valve
02/11/2010US20100032160 Fluid loss compositions and methods of use for subterranean operations
02/11/2010US20100032159 Proppant-containing treatment fluids and methods of use
02/11/2010US20100032158 Wellbore Method and Apparatus for Completion, Production and Injection
02/11/2010US20100032157 Well stimulation
02/11/2010US20100032152 Well jet device
02/11/2010US20100031653 Method and device for the utilization of supercritical subsurface steam in combination with supercritical thermal and hydraulic power stations
02/11/2010CA2821146A1 Improved fluid loss compositions and methods of use for subterranean operations
02/11/2010CA2792007A1 Apparatus and methods for controlling and communicating with downhole devices
02/11/2010CA2732857A1 Improved fluid loss compositions and methods of use for subterranean operations
02/11/2010CA2708475A1 Invert silicate fluids for wellbore strengthening
02/11/2010CA2708183A1 Apparatus and methods for controlling and communicating with downhole devices
02/10/2010EP2151540A1 Method and apparatus for configuring oil and/or gas producing system
02/10/2010EP2150682A1 Downhole tubular expansion tool and method
02/10/2010EP2150597A2 Use of curable liquid elastomers to produce gels for treating a wellbore
02/10/2010EP1355169B1 Method and apparatus for controlling chemical injection of a surface treatment system
02/10/2010CN201401161Y Layered injection allocation control device of steam injection well
02/10/2010CN201401160Y Directional well foam drainage wellbore simulation test device
02/10/2010CN201401159Y V-shaped groove laminated sand control tube
02/10/2010CN201401158Y Automatic butter oiling device of oil pumping unit bearing
02/10/2010CN201401157Y Hydrodynamic balance column beam-pumping unit
02/10/2010CN201401156Y Motor shifting device of oil pumping machine
02/10/2010CN201401155Y Two-way oil extractor for hydraulic reciprocating piston
02/10/2010CN201401132Y Compound synergic process pipe column under pump in oil pumping well
02/10/2010CN201399328Y Device for dissolving, mixing, stirring and delivering powder materials
02/10/2010CN101644152A Vertical oil pumping centre of star-wheel system and method for driving multiple wells to pump oil simultaneously by one machine
02/09/2010US7658226 Method of monitoring fluid placement during stimulation treatments
02/09/2010CA2453660C Wellbore system with annular seal member
02/09/2010CA2422509C Real-time reservoir fracturing process
02/04/2010WO2010014770A1 Method and system for subsea processing of multiphase well effluents
02/04/2010WO2010014425A1 System and method for controlling sand production in wells
02/04/2010WO2010014378A2 Open/close outlet internal hydraulic device
02/04/2010WO2010013075A1 Radial collector well and method for constructing or improving radial collector wells
02/04/2010WO2010012976A1 System and method for blending a dry material with a fluid in a closed environment
02/04/2010WO2010012771A2 Traveling undercut solution mining systems and methods
02/04/2010WO2010012093A1 Methods and systems for gas production from a reservoir
02/04/2010US20100025048 U-Shaped fiber optical cable assembly for use in a heated well and methods for in-stalling and using the assembly
02/04/2010US20100025044 Subsea well intervention systems and methods
02/04/2010US20100025043 System and vessel for hydrocarbon production and method for intervention on subsea equipment
02/04/2010US20100025037 System and method for controlling sand production in wells
02/04/2010US20100025035 Swelling Delay Cover for a Packer
02/04/2010US20100025034 Apparatus and method for processing fluids from a well
02/04/2010US20100025032 Methods and systems to activate downhole tools with light
02/04/2010CA2731840A1 System and method for blending a dry material with a fluid in a closed environment
02/03/2010EP2149673A1 Method and system for subsea processing of multiphase well effluents
02/03/2010EP2148974A2 Bottom-surface linking equipment including a flexible link between a floating support and the upper end of an under-surface rigid duct
02/03/2010CN201396338Y Stepless positive and negative device
02/03/2010CN201396269Y Ball pivot type connecting structure of cross head and intermediate draw bar in borehole pump and fracturing pump
02/03/2010CN201396140Y Cluster well automatic well-selecting on-line metering liquid inlet tee joint
02/03/2010CN201396139Y Cluster well automatic well-selecting on-line metering device
02/03/2010CN201396132Y High-voltage electric-field polar plate device of marine oil-production electric dehydrating and desalting device
02/03/2010CN201396131Y Staged fracturing string of horizontal well
02/03/2010CN201396130Y Oil deposit developing simulation system
02/03/2010CN201396129Y Oil deposit steam-injection thermal-recovery multi-way interlock three-dimensional ratio simulation system
02/03/2010CN201396128Y CO2 liquid injection device
02/03/2010CN201396127Y Multi-channel screw-type equal-layer polymer injection head
02/03/2010CN201396126Y Gas production device of low-voltage high-company liquid gasser
02/03/2010CN201396125Y Metallic mesh screen pipe
02/03/2010CN201396124Y Punched slot screen pipe
02/03/2010CN201396123Y Temporary plugging liner tube with tapered screw hole
02/03/2010CN201396122Y Corundum sieve tube
02/03/2010CN201396121Y Thermal production corundum screen pipe
02/03/2010CN201396120Y Leveling device for oil pumping machine foundation
02/03/2010CN201396119Y Winch intelligent vertical balance type pumping device
02/03/2010CN201396118Y Mule head of beam pumping unit
02/03/2010CN201396117Y Brake transmission device of beam-balanced pumping unit
02/03/2010CN201396101Y Hydraulic control device of thermal production casing head
02/03/2010CN201394390Y Fiber reinforced composite water filter pipe
02/03/2010CN101641496A Method of interconnecting subterranean boreholes
02/03/2010CN101641495A Granular electrical connections for in situ formation heating
02/03/2010CN101641494A Perforation tool with switch
02/03/2010CN101638982A Multi-formation fracturing device and process of release tubular column
02/03/2010CN101638981A Bio-enzyme fracturing outlet liquid recovering, oil-displacing and de-plugging process
02/03/2010CN101638980A Full-balance hydraulic transmission oil sucking machine
02/02/2010US7657415 Subterranean formation treatment methods using a darcy scale and pore scale model
02/02/2010US7655604 A reversibly thickenener for water-based wellbore fluids also soluble in organic and aqueous fluids comprising a branched long-chain carboxylic acid, sulfate or sulfonate or salt thereof; aqueous viscoelastic solutions via micellar aggregation; hydrophobic; broken gel mixes with hydrocarbon in well
02/02/2010US7655603 Clean-up additive for viscoelastic surfactant based fluids
02/02/2010US7654332 Apparatus and methods for radially expanding a tubular member
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