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)
10/2003
10/15/2003CN2580112Y Heating type stainless steel corrugated plate
10/15/2003CN2580111Y Integrated blanking plug
10/15/2003CN2580110Y Underwell deep penetration perforation device of abrasive jet flow
10/15/2003CN2580109Y Expandable screen pipe
10/15/2003CN2580108Y Variable stroke rate oil pumping machine
10/15/2003CN2580107Y Draining overflow recoverer for operation well
10/15/2003CN1448614A Oil extracting process and apparatus using oil field original well water
10/15/2003CN1448613A Oil extraction machine with long chain dipper
10/15/2003CA2425335A1 Flapper lock open apparatus
10/14/2003US6633236 Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters
10/14/2003US6633164 Measuring focused through-casing resistivity using induction chokes and also using well casing as the formation contact electrodes
10/14/2003US6632527 Composite proppant, composite filtration media and methods for making and using same
10/14/2003US6632266 Removal of carbon dioxide, hydrogen sulfide and/or carbonyl sulfide from natural gases such as methane or nitrogen mixtures using semipermeable membranes; efficiency
10/14/2003US6631769 Method of operating an apparatus for radially expanding a tubular member
10/14/2003US6631767 Method and apparatus for selective injection or flow control with through-tubing operation capacity
10/14/2003US6631765 Hanging liners by pipe expansion
10/14/2003US6631764 Filter cake cleanup and gravel pack methods for oil based or water based drilling fluids
10/14/2003US6631763 Method and system for testing a borehole by the use of a movable plug
10/14/2003US6631762 System and method for the production of oil from low volume wells
10/14/2003US6631761 Wet electric heating process
10/14/2003US6631760 Tie back liner for a well system
10/14/2003US6631759 Apparatus for radially expanding a tubular member
10/14/2003CA2065627C Overbalance perforating and stimulation method for wells
10/12/2003CA2842776A1 Sealed multilateral junction system
10/12/2003CA2842775A1 Sealed multilateral junction system
10/12/2003CA2842773A1 Sealed multilateral junction system
10/12/2003CA2766051A1 Sealed multilateral junction system
10/09/2003WO2003083263A2 Method and apparatus for sleeving a borehole
10/09/2003WO2003083258A1 Method for installing an expandable coiled tubing patch
10/09/2003WO2003083257A1 A filtering net, a sanding-prevention sleeve and a sanding-prevention screen pipe with the filtering net
10/09/2003WO2003083248A2 Perforation method and apparatus
10/09/2003WO2003036038A3 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
10/09/2003US20030191030 Pumping into well bore holes under pressure; aqueous fracturing fluid containing polymer
10/09/2003US20030188874 Treating apparatus and method for expandable screen system
10/09/2003US20030188873 Subsea well production facility
10/09/2003US20030188872 Methods and compositions for consolidating proppant in subterranean fractures
10/09/2003US20030188871 Single trip method for selectively fracture packing multiple formations traversed by a wellbore
10/09/2003US20030188868 Apparatus and methods for separating and joining tubulars in a wellbore
10/09/2003US20030188867 Method and apparatus for orienting perforating devices
10/09/2003US20030188866 Circulation tool for use in gravel packing of wellbores
10/09/2003US20030188865 Method for assembly of a gravel packing apparatus having expandable channels
10/09/2003US20030188785 Discharge valve
10/08/2003EP1350921A2 Methods and apparatus for completing and gravel packing wells
10/08/2003EP1350009A1 Method and apparatus for controlling the distribution of injected material in a wellbore
10/08/2003EP1350008A1 A sleeve valve for controlling fluid flow between a hydrocarbon reservoir and tubing in a well and method for the assembly of a sleeve valve
10/08/2003EP1350007A1 Device for an opening in an outer sleeve of a sleeve valve and a method for the assembly of a sleeve valve
10/08/2003EP1350006A1 Method and apparatus for treating a wellbore with vibratory waves to remove particles therefrom
10/08/2003EP1350005A1 Hydraulic running tool
10/08/2003EP1350003A1 Method of drilling and operating a subsea well
10/08/2003EP0894195B1 Progressive cavity pumps using composite materials
10/08/2003EP0852657B1 Tool for blocking axial flow in gravel-packed well annulus
10/08/2003CN2578555Y Oil pumping units
10/08/2003CN2578522Y Three-fold beam sucker
10/08/2003CN1447877A Method and well tool for gravel packing well using low viscosity fluids
10/08/2003CN1447010A Biological process oil extraction method for prolonging period of validity by use of microbe to drive oil
10/08/2003CN1123395C Nozzle for supersonic gas flow and inertia separator and supersonic separation process
10/07/2003US6630428 Blend of fatty acid alkyl esters and lower alkyl glycol ethers; high flash point, low vapor pressure; environmentally safe
10/07/2003US6629567 Method and apparatus for expanding and separating tubulars in a wellbore
10/07/2003US6629566 Method and apparatus for removing water from well-bore of gas wells to permit efficient production of gas
10/07/2003US6629564 Downhole flow meter
10/07/2003CA2226970C Branch boreholes
10/02/2003WO2003080994A1 A method for deforming a tubular member
10/02/2003WO2003080993A1 Method and application for open hole gravel packing
10/02/2003WO2003056125A3 Bore liner
10/02/2003WO2003050385A3 Method and apparatus for completing a well
10/02/2003WO2003015523A3 Methods for dewatering shaly subterranean formations
10/02/2003US20030186820 Proppant flowback control using elastomeric component
10/02/2003US20030184178 Method and system for reducing longitudinal fluid flow around a permeable well
10/02/2003US20030183397 Method for installing an expandable coiled tubing patch
10/02/2003US20030183395 System and method for preventing sand production into a well casing having a perforated interval
10/02/2003US20030183394 Gas recovery apparatus, method and cycle having a three chamber evacuation phase for improved natural gas production and down-hole liquid management
10/02/2003US20030183390 Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations
10/02/2003US20030183387 Methods and apparatus for improving performance of gravel packing systems
10/02/2003US20030183386 Transition member for maintaining fluid slurry velocity therethrough and method for use of same
10/01/2003EP1348832A1 Subterranean formation treatment
10/01/2003EP1348065A1 Method, computer program prodcut and use of a computer program for stabilizing a multiphase flow
10/01/2003CN2576962Y Desilting pipe
10/01/2003CN2576961Y Producing weel bailing device
10/01/2003CN2576960Y Motor-changing two-way drum intelligent pumping machine
10/01/2003CN1445434A Device and method for automatic recognizing electroacoustic wave of pumping unit
10/01/2003CA2423771A1 Methods and apparatus for improving performance of gravel packing systems
09/2003
09/30/2003US6627081 Separator assembly
09/30/2003US6626470 Two-part connector for fluid carrying conduits
09/30/2003US6626241 Method of frac packing through existing gravel packed screens
09/30/2003US6626239 Internal gate valve for flow completion systems
09/30/2003CA2293427C System for drilling and completing multilateral wells
09/30/2003CA2225571C Subterranean formation fracturing methods
09/25/2003WO2003078882A1 High torque modified profile threaded tubular connection
09/25/2003WO2003078793A1 Subsea separation apparatus for treating crude oil comprising a separator module with a separator tank
09/25/2003WO2003078792A1 Well production method
09/25/2003WO2003078791A2 Method and apparatus for injecting steam into a geological formation
09/25/2003WO2003078790A1 Lining and drilling a wellbore with an expandable bit
09/25/2003WO2003078789A1 Slotted expandable centraliser
09/25/2003WO2003078785A2 Collapsible expansion cone
09/25/2003WO2002055841B1 Well screen having a line extending therethrough
09/25/2003US20030180096 Modular seabed processing system
09/25/2003US20030178204 System and method for creating a fluid seal between production tubing and well casing
09/25/2003US20030178202 Flow completion system
09/25/2003US20030178198 Washpipeless isolation strings and methods for isolation
09/25/2003US20030178197 Downhole tubular string connections
1 ... 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 ... 642