| 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) |
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| 02/19/2004 | WO2004015241A1 Cup seal expansion tool |
| 02/19/2004 | WO2003036024A3 Method and system for in situ heating a hydrocarbon containing formation by a u-shaped opening |
| 02/19/2004 | WO2003008755A8 Wear resistant tubular connection |
| 02/19/2004 | WO2003004820B1 Liner hanger |
| 02/19/2004 | US20040033906 Liner hanger with slip joint sealing members and method of use |
| 02/19/2004 | US20040031742 Methods and apparatus for oil demulsification and separation of oil and suspended solids from produced water |
| 02/19/2004 | US20040031615 Cup seal expansion tool |
| 02/19/2004 | US20040031610 Expanding well tools |
| 02/19/2004 | US20040031609 Method and system for accessing subterranean deposits from the surface |
| 02/19/2004 | US20040031608 Gas-liquid separator positionable down hole in a well bore |
| 02/19/2004 | US20040031607 Drain element comprising a liner consisting of hollow rods for collecting in particular hydrocarbons |
| 02/19/2004 | US20040031603 Underground water pumping device |
| 02/19/2004 | US20040031530 Bore-lining tubing |
| 02/19/2004 | CA2840348A1 Tubular expansion method |
| 02/19/2004 | CA2645400A1 Tubular expansion method |
| 02/18/2004 | EP1389263A1 A method of controlling the direction of propagation of injection fractures in permeable formations |
| 02/18/2004 | EP1389262A2 Full bore gun system |
| 02/18/2004 | EP1389260A1 Radially expandable tubular with supported end portion |
| 02/18/2004 | EP1389259A2 Method for enhancing production allocation in an integrated reservoir and surface flow system |
| 02/18/2004 | EP1012441B1 Apparatus and method for installing a branch junction from a main well |
| 02/18/2004 | CN2603848Y Filtering pipe device for stainless steel plate net barrel |
| 02/18/2004 | CN2603847Y Crown sheave type long stroke well pumping unit with flexible drive |
| 02/17/2004 | US6691789 Expandable hanger and packer |
| 02/17/2004 | US6691787 Gas operated pump for use in a wellbore |
| 02/17/2004 | US6691786 Inflatable flow control device and method |
| 02/17/2004 | US6691782 Method and system for below motor well fluid separation and conditioning |
| 02/17/2004 | US6691781 Separating downhole gaseous and liquid components of fluid produced from a hydrocarbon bearing formation, and reinjecting at least a portion of the gaseous and liquid components back into the formation |
| 02/17/2004 | US6691777 Self-lubricating swage |
| 02/17/2004 | CA2278792C Method and apparatus for enhancing production from a wellbore hole |
| 02/12/2004 | WO2004013462A1 An expandable metal liner for downhole components |
| 02/12/2004 | WO2004013461A1 Gravel pack crossover tool with check valve in the evacuation port |
| 02/12/2004 | WO2004013457A2 Electric power control for sickline operations in wellbores |
| 02/12/2004 | WO2004013448A2 Method for using coconut coir as a lost circulation material for well drilling |
| 02/12/2004 | WO2004013446A2 Self-excited drill bit sub |
| 02/12/2004 | WO2004013415A1 Method and device for soil analysis |
| 02/12/2004 | US20040028477 Shallow water riser support |
| 02/12/2004 | US20040026313 Multi-micron, multi-zoned mesh, method of making and use thereof |
| 02/12/2004 | US20040026127 Method of coring crustal core sample, and antimicrobial polymeric gel and gel material used in the method |
| 02/12/2004 | US20040026089 Method for interconnecting adjacent expandable pipes |
| 02/12/2004 | US20040026079 Expandable devices and method |
| 02/12/2004 | US20040026077 Downhole moineau pump assembly |
| 02/12/2004 | US20040026076 Method and system of fluid analysis and control in hydrocarbon well |
| 02/12/2004 | US20040025655 Method and apparatus for manufacturing an expandable slotted tube |
| 02/11/2004 | EP1388615A1 Method and apparatus for soil examination |
| 02/11/2004 | EP1387875A2 Integrated bitumen production and gas conversion |
| 02/11/2004 | CN2603244Y Energy-saving speed variator for oil pumping machine |
| 02/11/2004 | CN2603198Y Intelligent oil sucker controller with electricity fraudulent use prevention and energy saving function |
| 02/11/2004 | CN2603197Y Perforator gun propellant type high-temp high-pressure gas generator |
| 02/11/2004 | CN2603196Y Balance block drawing device for oil pumping machine |
| 02/11/2004 | CN2603195Y Simple dismounting tool for oil pumping machine |
| 02/11/2004 | CN1474710A Combined degassing and flotation tank |
| 02/11/2004 | CN1474030A Variable section runner coal layer underground gasifying furnace |
| 02/10/2004 | US6688702 Borehole mining method |
| 02/10/2004 | US6688400 Downhole sealing |
| 02/10/2004 | US6688399 Expandable hanger and packer |
| 02/10/2004 | US6688397 Technique for expanding tubular structures |
| 02/10/2004 | US6688395 Expandable tubular having improved polished bore receptacle protection |
| 02/10/2004 | US6688392 System and method for flow/pressure boosting in a subsea environment |
| 02/10/2004 | US6688388 Method for accessing subterranean deposits from the surface |
| 02/10/2004 | US6688387 In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate |
| 02/10/2004 | US6688385 Oil production trip control ball |
| 02/10/2004 | CA2350504C Method and system for accessing subterranean deposits from the surface |
| 02/10/2004 | CA2217638C Control of fine particulate flowback in subterranean wells |
| 02/09/2004 | CA2397360A1 Stuffing box for progressing cavity pump drive |
| 02/06/2004 | CA2436640A1 Expandable devices and method |
| 02/06/2004 | CA2436637A1 Wave seal to resist extrusion during equalization |
| 02/05/2004 | WO2004011812A2 Actuator control system for hydraulic devices |
| 02/05/2004 | WO2004011776A2 Method of forming a mono diameter wellbore casing |
| 02/05/2004 | WO2004011773A1 Expandable screen with auxiliary conduit |
| 02/05/2004 | WO2004011766A1 Drilling method |
| 02/05/2004 | WO2004011763A2 Mechanical bladder pump |
| 02/05/2004 | WO2003004821A3 Soap stick launcher and method for launching soap sticks |
| 02/05/2004 | US20040023816 Hydraulic fracturing additive, hydraulic fracturing treatment fluid made therefrom, and method of hydraulically fracturing a subterranean formation |
| 02/05/2004 | US20040021251 Oriented polyolefin processing |
| 02/05/2004 | US20040020832 Sand control screen assembly and treatment method using the same |
| 02/05/2004 | US20040020709 Slickline power control interface |
| 02/05/2004 | US20040020660 Technique for deploying expandables |
| 02/05/2004 | US20040020659 Expandable metal liner for downhole components |
| 02/05/2004 | US20040020656 Process for increasing flow capacity of gas wells |
| 02/05/2004 | US20040020655 Method and system for production of gas and water from a gas bearing strata during drilling and after drilling completion |
| 02/05/2004 | US20040020652 Multi zone isolation tool having fluid loss prevention capability and method for use of same |
| 02/05/2004 | US20040020646 Variable intensity memory gravel pack imaging apparatus and method |
| 02/05/2004 | US20040020645 Method and apparatus for a tubing conveyed perforating guns fire identification system using enhanced marker material |
| 02/05/2004 | US20040020638 Mechanically actuated gas separator for downhole pump |
| 02/05/2004 | US20040020637 Apparatus for extracting oil or other fluids from a well |
| 02/05/2004 | US20040020636 Downhole valve |
| 02/05/2004 | CA2494035A1 Mechanical bladder pump |
| 02/04/2004 | EP1387037A1 Hydromechanical well perforator |
| 02/04/2004 | CN2602189Y Double acting oil-well pump with feedback force |
| 02/04/2004 | CN2602160Y Blanking plug push loading apparatus |
| 02/04/2004 | CN2602159Y Protection device for equipment environment |
| 02/04/2004 | CN2602158Y Self-adaptive even-load well pumping unit |
| 02/04/2004 | CN1472419A Adjustable oil extracting arm of vertical oil sucket |
| 02/04/2004 | CN1472418A High-temperature high-pressure artifical sandproof well wall and construction technology thereof |
| 02/03/2004 | US6685439 Hydraulic jet pump |
| 02/03/2004 | US6685236 Helically wound expandable tubular insert |
| 02/03/2004 | US6684958 Flapper lock open apparatus |
| 02/03/2004 | US6684956 Method and apparatus for producing fluids from multiple formations |
| 02/03/2004 | US6684954 Bi-directional explosive transfer subassembly and method for use of same |
| 02/03/2004 | US6684951 Sand screen with integrated sensors |