| 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) |
|---|
| 11/04/2007 | WO2007130195A2 Particle control screen with depth filtration |
| 11/01/2007 | WO2007124471A2 Enhanced liquid hydrocarbon recovery by miscible gas water drive |
| 11/01/2007 | WO2007124426A2 High strength alloys |
| 11/01/2007 | WO2007124412A2 Time sequenced heating of multiple layers in a hydrocarbon containing formation |
| 11/01/2007 | WO2007124405A2 Adjusting alloy compositions for selected properties in temperature limited heaters |
| 11/01/2007 | WO2007122430A1 Autonomous shut-off valve system |
| 11/01/2007 | WO2007122003A1 Method and device for the utilization of supercritical subsurface steam in combination with supercritical thermal and hydraulic power stations |
| 11/01/2007 | WO2007101444A3 System for injecting a substance into the space surrounding a well tubular |
| 11/01/2007 | WO2007050189A3 Method for high temperature steam |
| 11/01/2007 | US20070254814 Well Treatment |
| 11/01/2007 | US20070251695 Sub-sea well intervention vessel and method |
| 11/01/2007 | US20070251692 Abrasive jet cutting system and method for cutting wellbore tubulars |
| 11/01/2007 | US20070251691 Solid State Pump |
| 11/01/2007 | US20070251690 Well Completion System |
| 11/01/2007 | US20070251689 Three phase downhole separator process |
| 11/01/2007 | US20070251687 Intervention tool with operational parameter sensors |
| 11/01/2007 | US20070251686 Systems and methods for producing oil and/or gas |
| 11/01/2007 | CA2649503A1 Time sequenced heating of multiple layers in a hydrocarbon containing formation |
| 11/01/2007 | CA2649394A1 Adjusting alloy compositions for selected properties in temperature limited heaters |
| 11/01/2007 | CA2649379A1 High strength alloys |
| 10/31/2007 | EP1848875A1 Flow regulator for use in a subterranean well |
| 10/31/2007 | EP1319116B1 Evaluation of multilayer reservoirs |
| 10/31/2007 | DE102005044352B4 Verfahren zum Erzeugen eines Hot-Dry-Rock(HDR)-Wärmetauschers A method for generating a Hot Dry Rock (HDR) -Wärmetauschers |
| 10/31/2007 | CN200968326Y Down-hole axial flow type oil gas mixed pump |
| 10/31/2007 | CN200968280Y Water mixing pumping thickened oil pump |
| 10/31/2007 | CN200968212Y Thick oil single flow valve |
| 10/31/2007 | CN200968211Y Perforating gun body with pressure relief hole packer |
| 10/31/2007 | CN200968210Y Oil well pre-filling winding sieve tube |
| 10/31/2007 | CN200968209Y Granule proof sieve tube apparatus |
| 10/31/2007 | CN200968208Y Beam type Oil pumping machine mule head location locking up apparatus |
| 10/31/2007 | CN200968207Y Anti-theft type packing kit pressure cap |
| 10/31/2007 | CN200968206Y Long stroke energy-saving oil pumping machine |
| 10/31/2007 | CN200968205Y Counter weight device used for oil pumping machine and oil pumping machine |
| 10/31/2007 | CN200968204Y Fore and after mounted type beam-pumping unit |
| 10/31/2007 | CN200968203Y Suspended type beam structure used for beam type oil pumping machine |
| 10/31/2007 | CN200968202Y Hydraulic oil production apparatus |
| 10/31/2007 | CN200968200Y Multi-level pulse perforating peak pressure controlling valve |
| 10/31/2007 | CN200968189Y Spiral gun releasing device |
| 10/31/2007 | CN200968188Y Perforation bullet rack with loading holder |
| 10/31/2007 | CN200968187Y Movable well washing device for oilfield water injection well |
| 10/31/2007 | CN101063406A Boiler flue reclaiming CO2 liquify pouring well oil production arrangement |
| 10/31/2007 | CN101063405A Boiler flue reclaiming clean-up pouring oil production device |
| 10/31/2007 | CN101063404A Boiler flue gas reclaiming full gaseous state pouring well oil production device |
| 10/31/2007 | CN100346055C A pipe separator for the separation of fluids, particularly oil, gas and water |
| 10/31/2007 | CN100346054C Methods for controlling the rheological properties of viscoelastic surfactants based fluids |
| 10/31/2007 | CN100346053C Automatic boosting oil production and liquid discharge gas producing device and method for underwell gas |
| 10/30/2007 | US7287603 Combined casing expansion/casing while drilling method and apparatus |
| 10/30/2007 | US7287597 Device for improving oil and gas recovery in wells |
| 10/30/2007 | US7287594 Introducing a mixture of water, a gas, and a foaming and foam stabilizing surfactant mixture of alkali salts of alkyl ether sulfates, an alkyl amidopropyl hydroxysultaine, and an alkyl amidopropyl dimethylamine oxide |
| 10/30/2007 | US7287593 Methods of fracturing formations using quaternary amine salts as viscosifiers |
| 10/30/2007 | US7287592 Limited entry multiple fracture and frac-pack placement in liner completions using liner fracturing tool |
| 10/30/2007 | US7287591 Primary electro-mechanical initiating dump bailer device and method of use |
| 10/30/2007 | US7287590 Injecting a non-polymeric viscosifier and a breaker of a fibrous protein into a wellbore; cytoskeletal proteins and extracellular matrix proteins disrupt the three dimensional structure in the fluid |
| 10/30/2007 | US7287589 Well treatment system and method |
| 10/30/2007 | US7287588 Gelable liquid and method for selectively inhibiting the gelation of a gelable liquid |
| 10/30/2007 | US7287587 Crosslinkable polymer compositions and associated methods |
| 10/30/2007 | US7287586 introducing a sealing agent and a water-swellable agent into the subterranean formation; sealing agent is a monomer; hydrocarbon wells |
| 10/30/2007 | US7287585 Methods of quantifying gas content of a gas-sorbed formation solid |
| 10/30/2007 | CA2442666C Fibre optic well control system |
| 10/30/2007 | CA2387625C Technique for producing a high gas-to-liquid ratio fluid |
| 10/30/2007 | CA2255356C Gelling polymers for wellbore service fluids |
| 10/28/2007 | CA2586674A1 Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore |
| 10/25/2007 | WO2007119052A1 Expandable liner hanger |
| 10/25/2007 | WO2007072172B1 Method and system for development of hydrocarbon bearing formations including depressurization of gas hydrates |
| 10/25/2007 | US20070249505 Fracturing subterranean formations by pumping aqueous solutions of erucyl amidopropyl betaine and an acid or salt, preferably sulfonic acids or aromatic carboxylic acids, chlorides of potassium, ammonium, calcium or tetramethylammonium, or calcium bromide, and a corrosion inhibitor; enhanced oil recovery |
| 10/25/2007 | US20070247969 Apparatus and method for creating a vortex flow |
| 10/25/2007 | US20070246994 In situ co-development of oil shale with mineral recovery |
| 10/25/2007 | US20070246934 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 10/25/2007 | US20070246431 Method, system and apparatus for separating solids from drilling slurry |
| 10/25/2007 | US20070246426 Water Flooding Method |
| 10/25/2007 | US20070246228 Zonal isolation using elastic memory foam |
| 10/25/2007 | US20070246226 Apparatus and methods for limiting debris flow back into an underground base pipe of an injection well |
| 10/25/2007 | US20070246222 Method for Recovering Oil From a Gas-Lifted Oil Well Penetrating a Subterranean Oil-Bearing Formation |
| 10/25/2007 | US20070246216 Isolation system comprising a plug and a circulation valve and method of use |
| 10/25/2007 | US20070246214 Proppants made from filled polymers for use during oil and gas production and associated processes |
| 10/25/2007 | US20070246213 Gravel packing screen with inflow control device and bypass |
| 10/25/2007 | US20070246212 Well screens having distributed flow |
| 10/25/2007 | US20070246211 Plunger Lift Apparatus |
| 10/25/2007 | CA2664521A1 Apparatus for radial expansion of a tubular |
| 10/25/2007 | CA2586369A1 Method and apparatus for perforating a casing and producing hydrocarbons |
| 10/24/2007 | CN200964943Y Gas-proof lock valve of oil pump |
| 10/24/2007 | CN200964938Y Boosting type rod pump device |
| 10/24/2007 | CN200964937Y Screw pump driving device for oil well |
| 10/24/2007 | CN200964847Y Intelligent seal-testing flow-measuring and adjusting device |
| 10/24/2007 | CN200964844Y Safety latch of sensor |
| 10/24/2007 | CN200964841Y Oil well indication diagram data sampling device |
| 10/24/2007 | CN200964840Y High pressure container for detecting perforation efficiency |
| 10/24/2007 | CN200964839Y Oil, water and gas simple separation liquid-storing device |
| 10/24/2007 | CN200964838Y Polymer flooding process derived aging oil reclamation and processing apparatus |
| 10/24/2007 | CN200964837Y Detachable perforating and fracturing sand-control device |
| 10/24/2007 | CN200964836Y Spiral weld filtering tube |
| 10/24/2007 | CN200964835Y Beam structure of beam type oil pump |
| 10/24/2007 | CN200964834Y Remotely-controlled type acoustic-optic power distribution control device oil well |
| 10/24/2007 | CN200964833Y Side turning preventing device for oil pump |
| 10/24/2007 | CN200964832Y Extraction-assistant production-increasing device for oil pump |
| 10/24/2007 | CN200964815Y Ring-shaped pressure reducing groove injection core ingot-pulling device |
| 10/24/2007 | CN101059073A Same-well double-medium synchronous separate injection tubing string tool and its separate injection method |
| 10/24/2007 | CN101059072A Method for dredging residue oil from thick oil layer using artificial interface |
| 10/24/2007 | CN101059071A Lifting weight balance beam type oil pump |
| 10/24/2007 | CN101059070A Perforation, fracturing integrated method and its technique pipe |