| 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) |
|---|
| 08/15/2002 | WO2002063133A1 A well perforating device |
| 08/15/2002 | WO2002063132A1 Oil well perforator |
| 08/15/2002 | WO2002063130A1 Optimization of reservoir, well and surface network systems |
| 08/15/2002 | WO2002032634A3 Fluid cutting tool and method for cutting tubular member with a jet of fluid |
| 08/15/2002 | WO2001040937A9 Method and program for simulating a physical system using object-oriented programming |
| 08/15/2002 | US20020109278 Polish rod spring ii |
| 08/15/2002 | US20020109080 Wellbores utilizing fiber optic-based sensors and operating devices |
| 08/15/2002 | US20020108784 Non-rotating sensor assembly for measurement-while-drilling applications |
| 08/15/2002 | US20020108757 Submersible pump suspension system |
| 08/15/2002 | US20020108756 Downhole tubing |
| 08/15/2002 | US20020108755 Sand screen with active flow control |
| 08/15/2002 | US20020108754 Apparatus and methods for isolating a wellbore junction |
| 08/15/2002 | US20020108753 In situ thermal processing of a coal formation to form a substantially uniform, relatively high permeable formation |
| 08/15/2002 | US20020108749 Transducers, and methods of producing transducers, with cryogenically treated transducer members |
| 08/15/2002 | US20020108746 Method and system for accessing subterranean zones from a limited surface area |
| 08/15/2002 | US20020108650 Blower assembly for gas wells |
| 08/15/2002 | US20020108535 Methods and compositions for forming permeable cement sand screens in well bores |
| 08/14/2002 | EP1230467A1 Two-part connector for fluid carrying conduits |
| 08/14/2002 | CN2505646Y Hydrodynamic-toothed gearings for beam-pumping unit |
| 08/14/2002 | CN2505593Y Multi-functional tubing string |
| 08/14/2002 | CN2505592Y Secondary balancing mechanism for beam pumper |
| 08/14/2002 | CN2505591Y Double tail bearing beam pumper |
| 08/14/2002 | CN2505590Y Beam-balanced and stroke length increasing pumping unit |
| 08/14/2002 | CN2505587Y Hot-water circulating oil-production cylinder packer |
| 08/14/2002 | CN1364094A Breaking of oil/water emulsion |
| 08/14/2002 | CN1363758A Explosion implement and method for excavating horizontal underground caves |
| 08/14/2002 | CN1089139C Long stroke oil sucker |
| 08/13/2002 | US6434435 Application of adaptive object-oriented optimization software to an automatic optimization oilfield hydrocarbon production management system |
| 08/13/2002 | US6432565 Producing electrical energy from natural gas using a solid oxide fuel cell |
| 08/13/2002 | US6431292 Device for drilling and draining holes in soil or rock |
| 08/13/2002 | US6431285 Apparatus for drilling an offshore underwater well |
| 08/13/2002 | US6431284 Gimbaled table riser support system |
| 08/13/2002 | US6431283 Method of casing multilateral wells and associated apparatus |
| 08/13/2002 | US6431282 Method for annular sealing |
| 08/13/2002 | US6431278 Reducing sand production from a well formation |
| 08/13/2002 | US6431277 Liner hanger |
| 08/13/2002 | US6431271 Apparatus comprising bistable structures and methods for their use in oil and gas wells |
| 08/08/2002 | WO2002061461A2 A method and apparatus for a tubing conveyed perforating guns fire identification system using enhanced marker material |
| 08/08/2002 | WO2002061238A1 Method and system for accessing a subterranean zone from a limited surface area |
| 08/08/2002 | WO2002061235A1 Apparatus and method to mechanically orient perforating systems in a well |
| 08/08/2002 | WO2002061233A1 Method and system for accessing subterranean zones from a limited surface area |
| 08/08/2002 | WO2002061232A2 Thru-tubing stackable perforating gun system and method for use |
| 08/08/2002 | WO2002060681A1 Composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same |
| 08/08/2002 | WO2001083944A9 Method and system for gas-lifting well effluents |
| 08/08/2002 | US20020107562 Technique of forming expandable devices from cells that may be transitioned between a contracted state and an expanded state |
| 08/08/2002 | US20020104656 System for cementing a liner of a subterranean well |
| 08/08/2002 | US20020104655 Apparatus and methods for gravel pack completions |
| 08/08/2002 | US20020104654 In situ thermal processing of a coal formation to convert a selected total organic carbon content into hydrocarbon products |
| 08/08/2002 | US20020104650 Method and apparatus for frac/gravel packs |
| 08/08/2002 | US20020104647 Expander |
| 08/08/2002 | US20020104217 Tubular filtration apparatus |
| 08/08/2002 | CA2805835A1 Method and system for accessing a subterranean zone from a limited surface area |
| 08/07/2002 | EP1228311A2 A production system and method for producing fluids from a well |
| 08/07/2002 | EP1228289A2 Method and system for suppressing and controlling slug flow in a multi-phase fluid stream |
| 08/07/2002 | EP1228288A1 Method of microbial enhanced oil recovery |
| 08/07/2002 | CN2504407Y Ground driving gear of screw pump |
| 08/07/2002 | CN2504403Y Sealed rod oil-well pump |
| 08/07/2002 | CN2504387Y Water distributing appts. for high pressure filling water |
| 08/07/2002 | CN2504386Y Water yield ground controller of water filling well |
| 08/07/2002 | CN2504385Y Interference balancing beam pumping unit |
| 08/07/2002 | CN1362582A Valve capable of raising the efficiency of oil pump |
| 08/07/2002 | CN1362572A Long-stroke pumping machine operating in differential reversing mode |
| 08/07/2002 | CN1088790C Process for implementing petroleum by using solar energy |
| 08/06/2002 | US6430409 Method and architecture for an interactive two-way data communication network |
| 08/06/2002 | US6428995 Compositions for fracturing subterranean formations |
| 08/06/2002 | US6427785 Subsurface measurement apparatus, system, and process for improved well drilling, control, and production |
| 08/06/2002 | US6427776 Sand removal and device retrieval tool |
| 08/06/2002 | US6427775 Methods and apparatus for completing wells in unconsolidated subterranean zones |
| 08/06/2002 | US6427774 Process and apparatus for coupled electromagnetic and acoustic stimulation of crude oil reservoirs using pulsed power electrohydraulic and electromagnetic discharge |
| 08/06/2002 | CA2235760C Automatic well test system and method of operating the same |
| 08/01/2002 | WO2002059485A1 Gas lift valve with central body ventury for controlling the flow of injection gas in oil wells producing by continuous gas lift |
| 08/01/2002 | WO2002059457A1 Downhole motorized flow control valve |
| 08/01/2002 | WO2002059456A1 Expander device |
| 08/01/2002 | WO2002059455A1 Method and system for enhanced access to a subterranean zone |
| 08/01/2002 | WO2002059452A1 Device and method to seal boreholes |
| 08/01/2002 | US20020100616 Method and system for accessing subterranean zones from a limited surface area |
| 08/01/2002 | US20020100595 Flow control system for an apparatus for radially expanding tubular members |
| 08/01/2002 | US20020100594 Wellbore casing |
| 08/01/2002 | US20020100593 Preload for expansion cone |
| 08/01/2002 | US20020100586 Full bore automatic gun release module |
| 08/01/2002 | US20020100584 Optimization of oil well production with deference to reservoir and financial uncertainty |
| 08/01/2002 | US20020100360 Thru-tubing stackable perforating gun system and method for use |
| 08/01/2002 | US20020100169 Methods of completing a subterranean well |
| 07/31/2002 | EP1015092B1 Well casing assembly with erosion protection for inner screen |
| 07/31/2002 | EP0892886B1 Installation for pumping a two-phase liquid/gas effluent |
| 07/31/2002 | CN2503229Y Permanent magnetic oil-submersible pump |
| 07/31/2002 | CN2503228Y Rotary anti-biasing-wear device for oil-well pump |
| 07/31/2002 | CN2503206Y Integral tubular column for water flooding and anti-sand |
| 07/31/2002 | CN2503205Y Eccentric injection well down-hole flow |
| 07/31/2002 | CN2503204Y State analytical instrument for beam-pumping unit |
| 07/31/2002 | CN2503203Y Oil pipe transportation perforatory |
| 07/31/2002 | CN2503202Y Wide-band beam-pumping unit |
| 07/31/2002 | CN2503201Y Beam-pumping unit balance iron safety protection cover |
| 07/31/2002 | CN2503200Y Symmetrical balance changing-over beam-pumping unit |
| 07/31/2002 | CN2503199Y Balance circulation timing and long-range controlled beam-pumping unit |
| 07/31/2002 | CN2503198Y Uniflow eccentric valve injection well down-hole flow |
| 07/30/2002 | US6426010 Axial positioning of intakes, discharging; cylinder shape |
| 07/30/2002 | US6425448 Method and system for accessing subterranean zones from a limited surface area |
| 07/30/2002 | US6425444 Method and apparatus for downhole sealing |
| 07/30/2002 | US6425298 Apparatus for passive removal of subsurface contaminants and volume flow measurement |