| 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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| 10/05/2006 | WO2005049955A3 Low friction face sealed reaction turbine rotors |
| 10/05/2006 | US20060223714 Invert emulsion based completion and displacement fluid and method of use |
| 10/05/2006 | US20060219414 Lubrication system for radially expanding tubular members |
| 10/05/2006 | US20060219408 Pre-flushing with hydrocarbon, then placing low-viscosity adhesive substance diluted with aqueous dissolvable solvent into portion of subterranean formation; tackifier resins; phenol-formaldehyde resins; well bores |
| 10/05/2006 | US20060219407 Method and apparatus for cementing a well using concentric tubing or drill pipe |
| 10/05/2006 | US20060219405 Method of stabilizing unconsolidated formation for sand control |
| 10/05/2006 | US20060219404 Gravel pack multi-pathway tube with control line retention and method for retaining control line |
| 10/05/2006 | US20060219403 Pumped carbon mining methane production process |
| 10/05/2006 | US20060219402 Hydraulic fracturing |
| 10/05/2006 | DE102004004689B4 Verfahren und eine Anordnung zur Speicherung und dauerhaften Fixierung von in Wasser gelöstem CO2 in geologischen Formationen Method and apparatus for storing and permanent fixation of CO2 dissolved in water in geological formations |
| 10/04/2006 | EP1707737A1 Tubing head seal assembly |
| 10/04/2006 | EP1706714A1 Instrumented tubular device for the transport of a pressurised fluid using bragg grating rosettes |
| 10/04/2006 | EP1706583A1 High-strength sealed connection for expandable tubulars |
| 10/04/2006 | EP1706582A1 Methods of cementing in subterranean formations using crack resistant cement compositions |
| 10/04/2006 | EP1706190A1 Separation of crude oil at the well head |
| 10/04/2006 | EP1259706B1 Use of downhole high pressure gas in a gas-lift well |
| 10/04/2006 | CN2823600Y Pipe type pump precipitation valve |
| 10/04/2006 | CN2823599Y Lower hanging rod-type oil pump |
| 10/04/2006 | CN2823598Y Balance type linear motor oil pumping device for downhole |
| 10/04/2006 | CN2823597Y Linear motor double pumping oil pumping device for downhole |
| 10/04/2006 | CN2823596Y Reducing ring type sealed oil pump |
| 10/04/2006 | CN2823552Y Beam type sensor signal output stabilizer |
| 10/04/2006 | CN2823551Y Low pressure sleeve gas recovering device for mechanical producing well |
| 10/04/2006 | CN2823550Y Oil pipe-sleeve electromagnetic loop induction heating well for extracting chick oil |
| 10/04/2006 | CN2823549Y Chemical reaction pneumatic force deep penetration heat-deblocking device for oil-gas well |
| 10/04/2006 | CN2823548Y Non-gun body pressure-resistance perforating bullet |
| 10/04/2006 | CN2823547Y Anti-theft engine oil cover plate device for reduction box of beam-pumping unit |
| 10/04/2006 | CN2823545Y Oil well sleeve gas releasing recovering device |
| 10/04/2006 | CN2823538Y Water injection packer |
| 10/04/2006 | CN2823533Y Acoustic self vibration oil increasing device |
| 10/04/2006 | CN1842635A Expandable tubulars for use in geologic structures, methods for expanding tubulars, and methods of manufacturing expandable tubulars |
| 10/04/2006 | CN1840904A Ultra-low speed big torsional moment special-shape motor dragging and tower type high-efficiency low-consumption intelligent pumping unit |
| 10/04/2006 | CN1278016C Method and system for treating hydrocarbon contg. formation, and method for generating energy therefrom and pyrolysis products therefrom |
| 10/04/2006 | CN1278015C Heating system and method |
| 10/04/2006 | CN1277947C Petroleum casing pipe suitable to development of oil field through water injection and producing method |
| 10/03/2006 | US7116542 Micro-switches for downhole use |
| 10/03/2006 | US7115847 In situ processing of hydrocarbon-bearing formations with variable frequency dielectric heating |
| 10/03/2006 | US7115547 Additive for enhanced treatment of oil well contaminants |
| 10/03/2006 | US7114583 Tool and method for drilling, reaming, and cutting |
| 10/03/2006 | US7114581 Active controlled bottomhole pressure system & method |
| 10/03/2006 | US7114573 Hydraulic setting tool for liner hanger |
| 10/03/2006 | US7114572 System and method for offshore production with well control |
| 10/03/2006 | US7114571 Device for installation and flow test of subsea completions |
| 10/03/2006 | US7114570 Reducing production and preventing migration of loose particulates; applying aqueous liquid and surfactant preflush solution, integrated consolidation fluid and afterflush fluid; noncatalytic |
| 10/03/2006 | US7114567 Propped fracture with high effective surface area |
| 10/03/2006 | US7114566 Heat treatment using natural distributed combustor; oxidation of hydrocarbons to generate heat; pyrolysis |
| 10/03/2006 | US7114564 Method and apparatus for orienting perforating devices |
| 10/03/2006 | US7114560 Methods for enhancing treatment fluid placement in a subterranean formation |
| 10/03/2006 | US7114558 Filtered actuator port for hydraulically actuated downhole tools |
| 10/03/2006 | US7114557 System and method for optimizing production in an artificially lifted well |
| 10/03/2006 | CA2339427C Gear unit for a deep-borehole pump |
| 10/03/2006 | CA2210669C Downhole fluid separation system |
| 10/03/2006 | CA2176172C Method of recovering hydrocarbon fluid from an underground formation |
| 09/30/2006 | CA2541103A1 Method system and program storage device for simulating a multilayer reservoir and partially active elements in a hydraulic fracturing simulator |
| 09/30/2006 | CA2503040A1 Wound spring wire screen for downhole injection and recovery |
| 09/28/2006 | WO2006102456A1 Method for installing well completion equipment while monitoring electrical integrity |
| 09/28/2006 | WO2006102044A1 Compositions and use of mono-and polyenoic acids for breaking ves-gelled fluids |
| 09/28/2006 | WO2006101774A2 Cemented open hole selective fracing system |
| 09/28/2006 | WO2006101618A2 Hydraulically controlled burst disk subs (hcbs) |
| 09/28/2006 | WO2006101399A1 Method for separation and a separator device |
| 09/28/2006 | WO2006100649A1 Oil well perforator configuration |
| 09/28/2006 | WO2006100014A1 Probe end piece |
| 09/28/2006 | WO2006076666A9 System and method for enhancing permeability of a subterranean zone at a horizontal well bore |
| 09/28/2006 | US20060216155 Ejector |
| 09/28/2006 | US20060213669 Downhole electrical power generation based on thermo-tunneling of electrons |
| 09/28/2006 | US20060213668 A Method of Coupling Tubular Member |
| 09/28/2006 | US20060213667 Screen apparatus and method |
| 09/28/2006 | US20060213666 Hydraulically driven gas recovery device and method of use |
| 09/28/2006 | US20060213665 Pothead Assembly |
| 09/28/2006 | US20060213661 Fluid recovery system and method |
| 09/28/2006 | US20060213659 Method for installing well completion equipment while monitoring electrical integrity |
| 09/28/2006 | US20060213658 In-situ method of coal gasification |
| 09/28/2006 | US20060213657 In situ thermal processing of an oil shale formation using a pattern of heat sources |
| 09/28/2006 | US20060213652 Device for improving oil and gas recovery in wells |
| 09/28/2006 | CA2601876A1 Compositions and use of mono-and polyenoic acids for breaking ves-gelled fluids |
| 09/27/2006 | EP1704300A1 Method of stimulating long horizontal wells to improve well productivity |
| 09/27/2006 | EP1704299A1 Non-threaded expandable pipe connection system |
| 09/27/2006 | EP1704298A1 Wellbore screen |
| 09/27/2006 | EP1094878B1 Sand resistant fluid swivel |
| 09/27/2006 | CN2821154Y Composite hole punching device for module type medicine box holding medicine |
| 09/27/2006 | CN2821153Y Composite anti-pump retaining pipe for deep well pump |
| 09/27/2006 | CN2821152Y Vertical traction electric control oil pumping unit |
| 09/27/2006 | CN2821151Y Stroke regulating mechanism for beam oil pumping machine |
| 09/27/2006 | CN2821150Y Electromagnetic effect wax removing and viscosity reducing device |
| 09/27/2006 | CN2821149Y Environment protection type vortex flow wax removing and viscoaity reducing device |
| 09/27/2006 | CN1837575A Processing technology for extracting oil from metamorphic rock high pour point oil of burial hill by using combustion drive in horizontal well |
| 09/27/2006 | CN1837574A Water-plugging profile-modifying channel-blocking technology employing heat-sensitive water-soluble gel |
| 09/27/2006 | CN1837573A High-efficiency vacuum degasifier for gas-cutting drilling liquid |
| 09/27/2006 | CN1277042C Speed-reducing device for pipe or down-hole |
| 09/27/2006 | CN1276909C Synthesis method for ether carboxylate as oil displacement system |
| 09/26/2006 | US7112009 Apparatus and method for horizontal subsea connection |
| 09/26/2006 | US7111687 Recovery of production fluids from an oil or gas well |
| 09/26/2006 | US7111685 Downhole sampling apparatus and method |
| 09/26/2006 | US7111683 Formation consolidation process |
| 09/26/2006 | US7111682 Method and apparatus for gas displacement well systems |
| 09/26/2006 | US7111681 Interpretation and design of hydraulic fracturing treatments |
| 09/26/2006 | US7111680 Bore-lining tubing and method of use |
| 09/26/2006 | US7111679 Expander for expanding a tubular element |
| 09/26/2006 | US7111675 Remote closed system hydraulic actuator system |
| 09/26/2006 | CA2400973C Downhole surge pressure reduction and filtering apparatus |