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)
11/2007
11/22/2007WO2007133461A2 Method and apparatus for capture and sequester of carbon dioxide and extraction of energy from large land masses during and after extraction of hydrocarbon fuels or contaminants using energy and critical fluids
11/22/2007WO2007131977A1 A process for the manufacture of carbon disulphide
11/22/2007WO2007131976A1 A process for the manufacture of carbon disulphide
11/22/2007WO2007131788A1 Procedure and device for the optimal utilization of carbon resources such as oil fields, oil shales, oil sands, coal, and co2
11/22/2007WO2007060407A3 Methods of stabilizing unconsolidated subterranean formations
11/22/2007WO2007024263B1 Portable electrocrushing drill
11/22/2007WO2007022472A3 Method and apparatus to pump liquids from well
11/22/2007WO2006133008A3 Invert emulsion carrier fluid and oil-wetting agent and method of using same
11/22/2007WO2006091640A3 Apparatus for monitoring pressure using capillary tubing
11/22/2007WO2002079659A3 Method for preventing critical annular pressure buildup
11/22/2007US20070271077 Optimizing Well System Models
11/22/2007US20070270316 Aqueous alcohol well treatment fluid and method of using the same
11/22/2007US20070269317 Natural gas compressor and a system for operating the same
11/22/2007US20070269270 Pipeline Termination Skid, a Connection Arrangement Comprising Such a Pipeline Termination Skid and a Pipeline Termination
11/22/2007US20070267201 Annular Isolators for Expandable Tubulars in Wellbores
11/22/2007US20070267195 Safety Apparatus for Perforating System
11/22/2007US20070267193 Stimulating Oilfields Using Different Scale-Inhibitors
11/22/2007US20070267191 Method of Modifying Permeability between Injection and Production Wells
11/22/2007US20070267189 Pad type plunger
11/22/2007US20070266756 Expandable Tubular
11/22/2007DE102006022684A1 Method for orientation of fracture in boreholes and mountains, involves identifying dip, strike and rejected measure of respective identified geological troubles for determining fractures
11/22/2007DE102006021330A1 Verfahren und Vorrichtung zur optimalen Nutzung von Kohlenstoff-Ressourcen wie Ölfelder, Ölschiefer, Ölsande, Kohle und CO2 durch Einsatz von SC(super-critical)-GeoSteam Method and apparatus for optimal utilization of carbon resources such as oil fields, oil shale, oil sands, coal and CO2 through the use of SC (super-critical) -GeoSteam
11/22/2007CA2652002A1 A process for the manufacture of carbon disulphide
11/22/2007CA2651953A1 A process for the manufacture of carbon disulphide
11/21/2007EP1857633A2 Flow control apparatus for use in a wellbore
11/21/2007EP1856374A1 A composition and method for making a proppant
11/21/2007CN200978841Y Pneumatic oil extraction device
11/21/2007CN200978793Y Locking wrist pin for beam-pumping unit
11/21/2007CN200978670Y Test system shock-absorbing device for oil gas well perforation
11/21/2007CN200978666Y Prestressed heat-insulated compensator
11/21/2007CN200978665Y High temperature expansion heat insulation sealing joint
11/21/2007CN200978664Y Water-mixing viscosity-reducing pipe column for pump
11/21/2007CN200978663Y Injection head of downhole gas and agent injection device for small diameter tube
11/21/2007CN200978662Y High pressure water force jet marble perforation device
11/21/2007CN200978661Y Casing head slip releasing control tool
11/21/2007CN200978660Y Composite sand screen tube
11/21/2007CN200978659Y Sulfur-separating sand filter
11/21/2007CN200978658Y Sand-proof and filling tool for oil well
11/21/2007CN200978657Y Outer rotor electrically-driven pumping unit
11/21/2007CN200978656Y High efficiency composite perforation device with delayed pressure-regulating device
11/21/2007CN200978655Y Single crank beam direct balancing oil suction machine
11/21/2007CN200978647Y High temperature gas injection well blowout prevention device
11/21/2007CN101076653A Submersible pump
11/21/2007CN101074664A Antiscaling alloy oil sucking pump
11/21/2007CN101074663A Oil sucker with eccentric wheel and without beam
11/21/2007CN101074602A Stratified injection tubular pile
11/21/2007CN101074601A Method for decreasing rock microporous flow resistance
11/21/2007CN101074600A Core-dissecting micro-analysis
11/21/2007CN101074599A Automatically-reciprocating hydraulic oil-cylinder cooker hood
11/21/2007CN100350156C Rodless hydraulic oil pumping unit
11/21/2007CN100350128C Portable infrared logging instrument for drilling well
11/20/2007US7297664 Cement-free zeolite and fly ash settable fluids and methods therefor
11/20/2007US7297662 Method and composition for inhibiting lost circulation during well operation
11/20/2007US7296633 Flow control apparatus for use in a wellbore
11/20/2007US7296625 Methods of forming packs in a plurality of perforations in a casing of a wellbore
11/20/2007US7296624 Pressure control apparatus and method
11/20/2007US7296622 Labyrinth seal for pumping system
11/20/2007US7296462 Multi-purpose downhole tool
11/20/2007CA2473216C Expansion apparatus with selectively deployed expansion members
11/20/2007CA2452756C High torque modified profile threaded tubular connection
11/20/2007CA2371133C Method of creating a wellbore
11/20/2007CA2255320C Gelling composition for wellbore service fluids
11/18/2007CA2588252A1 Natural circulation industrial boiler for steam assisted gravity drainage (sagd) process
11/18/2007CA2583922A1 Kickover tool and selective mandrel system
11/18/2007CA2583849A1 Safety apparatus for perforating system
11/15/2007WO2007129099A2 Perforating and fracturing
11/15/2007WO2007129084A1 Window casing
11/15/2007WO2007128425A1 Borehole cleaning using downhole pumps
11/15/2007WO2007105167A3 Method and apparatus for hydraulic fracturing and monitoring
11/15/2007WO2006108161A3 Method of recycling fracturing fluids using a self-degrading foaming composition
11/15/2007US20070261861 Downhole electrical-to-hydraulic conversion module for well completions
11/15/2007US20070261859 Downhole Connector
11/15/2007US20070261853 Compounds of formula (I) are particularly efficacious in the treatment of conduits i.e. flowlines and pipelines containing produced subterranean formation fluids and subterranean formations, such as during matrix acidizing, acid fracturing, pickling and acid washing
11/15/2007US20070261852 Perforating and fracturing
11/15/2007US20070261851 Window casing
11/15/2007US20070261846 Completion apparatus and methods for use in wellbores
11/15/2007US20070261845 Methods and apparatus for enhanced production of plunger lift wells
11/15/2007US20070261844 Method and apparatus for capture and sequester of carbon dioxide and extraction of energy from large land masses during and after extraction of hydrocarbon fuels or contaminants using energy and critical fluids
11/15/2007US20070261843 providing acetic acid or sodium or potassium aceate activator to a microorganism in a geological formation from out side to activate the microorganism which matabolise carbonaceous material in the formation in to methane
11/15/2007US20070261841 Hydraulic oil well pumping apparatus
11/15/2007CA2650793A1 Borehole cleaning using downhole pumps
11/14/2007EP1854958A1 Wellbore evaluation system and method
11/14/2007EP1853793A1 Arrangement related to a separator for the cleaning of such separator
11/14/2007EP1853792A2 Novel device and methods for firing perforating guns
11/14/2007EP1640560A4 Device for arranging a shut-off valve in a well
11/14/2007EP1620630B1 Apparatus and method for enhancing productivity of natural gas wells
11/14/2007CN200975407Y Crank capable of stepless regulating stroke of oil pumping machine
11/14/2007CN200975337Y Plunger type unpowered suction device
11/14/2007CN200975336Y Double well single power oil pumping machine
11/14/2007CN200975335Y Power drive arrangement for implementing free movement of top and bottom damping
11/14/2007CN200975334Y Anti-scaling oil production pump
11/14/2007CN200975333Y Gearless transmission oil pumping machine
11/14/2007CN200975332Y Double-well linear type oil pumping machine
11/14/2007CN200975252Y Buffering device of testing system for oil gas well perforation
11/14/2007CN200975251Y Single well metering mechanism for air-free measuring station
11/14/2007CN200975249Y Continuance sand adding apparatus
11/14/2007CN200975248Y Fracturing of separate layers technique pipe column
11/14/2007CN200975247Y Removable combined polymer inpouring oil-displacing apparatus
11/14/2007CN200975246Y Integrating layered water distributor
11/14/2007CN200975245Y Upper guiding type eccentric water distributing apparatus
1 ... 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 ... 642