| 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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| 12/01/2005 | US20050267686 Wellbore evaluation system and method |
| 12/01/2005 | US20050267001 On-the-fly preparation of proppant and its use in subterranean operations |
| 12/01/2005 | US20050265790 Explosive-loaded ground anchor assembly |
| 12/01/2005 | US20050265789 Automatic control method for positioning the lower end of a filiform structure, notably an oil pipe, at sea |
| 12/01/2005 | US20050263296 Deformable member |
| 12/01/2005 | US20050263295 Recoverable, reinforced and vibration-damping plug used for cased wells |
| 12/01/2005 | US20050263294 Expandable liner hanger system and method |
| 12/01/2005 | US20050263292 Expandable liner hanger system and method |
| 12/01/2005 | US20050263289 Method and apparatus for aligning rotor in stator of a rod driven well pump |
| 12/01/2005 | US20050263287 Flow Control in Conduits from Multiple Zones of a Well |
| 12/01/2005 | US20050263286 Remotely Actuating a Casing Conveyed Tool |
| 12/01/2005 | US20050263284 Hydrajet perforation and fracturing tool |
| 12/01/2005 | US20050263283 Methods for stabilizing and stimulating wells in unconsolidated subterranean formations |
| 12/01/2005 | US20050263279 Pressure monitoring of control lines for tool position feedback |
| 12/01/2005 | DE19983231B4 System und Verfahren zur Sekundärförderung von Kohlenwasserstoff System and method for secondary recovery of hydrocarbon |
| 12/01/2005 | DE10358095B4 Verfahren und Vorrichtung zum Trennen von Stoffgemischen Method and device for separating mixtures of substances |
| 12/01/2005 | DE102004023740A1 Gasbrunnen und Verfahren zur Umrüstung von in Deponien angeordneten Gasbrunnen Gas wells and procedures for the conversion of landfill gas wells located in |
| 12/01/2005 | CA2566367A1 Filter cake degradation compositions and associated methods |
| 12/01/2005 | CA2565021A1 Metal sleeve seal for threaded connections |
| 11/30/2005 | EP1600897A1 Method of generating a hybrid 3D grid a heterogenous formation crossed by a geometric discontinuity in order to carry out simulations |
| 11/30/2005 | EP1600602A2 Hydraulic drilling apparatus and method |
| 11/30/2005 | EP1600601A2 Wellbore evaluation system and method |
| 11/30/2005 | EP1600600A2 Expandable liner hanger system and method |
| 11/30/2005 | EP1599634A2 Method of installation of a tension leg platform |
| 11/30/2005 | EP1390603B1 Arrangement for and method of restricting the inflow of formation water to a well |
| 11/30/2005 | EP1375820B1 Steel pipe for use as embedded expanded pipe, and method of embedding oil-well steel pipe |
| 11/30/2005 | CN2743538Y Oil field gas liquid separating filtering metering device |
| 11/30/2005 | CN2743537Y Oil field ground engineering quality divided water flooding and pressure divided water flooding valve control device |
| 11/30/2005 | CN2743536Y Composite integrated hole shooting gun |
| 11/30/2005 | CN2743535Y Double layer sand proof tube |
| 11/30/2005 | CN1703566A Cement through side pocket mandrel |
| 11/30/2005 | CN1702956A Inverter controller and oil extraction machine having the same |
| 11/30/2005 | CN1702293A Biological enzyme oil layer blocking remover |
| 11/30/2005 | CN1229567C Choke inductor for wireless communication and control in a well, and arrangement method in pipeline |
| 11/29/2005 | US6969123 Upgrading and mining of coal |
| 11/29/2005 | US6968902 Drilling and producing deep water subsea wells |
| 11/29/2005 | US6968901 Oil production processing system for swaying service |
| 11/29/2005 | US6968893 Method and system for production of gas and water from a gas bearing strata during drilling and after drilling completion |
| 11/29/2005 | US6968618 Expandable connector |
| 11/29/2005 | CA2455544C Accelerated production of gas from a subterranean zone |
| 11/29/2005 | CA2403948C Apparatus and method for downhole well equipment and process management,identification, and actuation |
| 11/29/2005 | CA2383444C Positive indication system for well annulus cement displacement |
| 11/29/2005 | CA2329775C Flying lead workover interface system |
| 11/29/2005 | CA2260446C Methods of reducing water produced with hydrocarbons from wells |
| 11/26/2005 | CA2468359A1 Explosive-loaded ground anchor assembly |
| 11/24/2005 | WO2005111372A1 System and method for the production or handling of heavy oil |
| 11/24/2005 | WO2005111371A2 Uncollapsed expandable wellbore junction |
| 11/24/2005 | WO2005111369A1 System and vessel for supporting offshore fields |
| 11/24/2005 | WO2005110631A1 Gas well and method for retrofitting gas wells located in landfills |
| 11/24/2005 | WO2005026395A3 Method for producing cast iron using blast-furnace gases for enhanced oil recovery |
| 11/24/2005 | US20050261139 Well treatment fluid and methods with oxidized polysaccharide-based polymers |
| 11/24/2005 | US20050261138 Viscosified treatment fluids comprising scleroglucan or diutan and associated methods |
| 11/24/2005 | US20050257962 Method and system for circulating fluid in a well system |
| 11/24/2005 | US20050257929 Methods and compositions for consolidating proppant in subterranean fractures |
| 11/24/2005 | US20050257927 Valve cage insert |
| 11/24/2005 | DE10350226B4 Verfahren zur Förderung von Multiphasengemischen sowie Pumpenanlage Method for conveying multiphase mixtures and pumping equipment |
| 11/24/2005 | CA2707063A1 Uncollapsed expandable wellbore junction |
| 11/24/2005 | CA2566298A1 System and method for the production or handling of heavy oil |
| 11/24/2005 | CA2563738A1 System and vessel for supporting offshore fields |
| 11/24/2005 | CA2563729A1 Uncollapsed expandable wellbore junction |
| 11/23/2005 | EP1389259B1 Method for enhancing production allocation in an integrated reservoir and surface flow system |
| 11/23/2005 | EP1368188A4 Composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same |
| 11/23/2005 | EP1206624B1 Well screen having an internal alternate flowpath |
| 11/23/2005 | CN2742135Y Polymer mixer |
| 11/23/2005 | CN2742134Y Ball plug gas-lift downhole 'u' shape connection tube |
| 11/23/2005 | CN2742133Y Hydraulic cutting seam deep penetration high pressure jet gun nozzle for petroleum production well |
| 11/23/2005 | CN2742132Y Prismatic small ripple stainless steel net oil and gas well sand-proof sieve tube |
| 11/23/2005 | CN2742131Y Stainless steel irregular hole type composite filter mud sand-proof tube |
| 11/23/2005 | CN2742130Y Ball plug air lift double piston ball feeding hydraulic cylinder |
| 11/23/2005 | CN1701160A Device for installation of a profile liner in a well |
| 11/23/2005 | CN1699726A Using method for mounting an overrunning clutch on a beam pumping well |
| 11/23/2005 | CN1228412C Preparation method of CO2-N2 composite foam synergist for improving thick oil heat gathering effect |
| 11/22/2005 | US6966380 Valves for use in wells |
| 11/22/2005 | US6966378 Method and apparatus for perforating a well |
| 11/22/2005 | US6966377 Providing a low pressure condition in a wellbore region |
| 11/22/2005 | US6966375 Downhole surge pressure reduction and filtering apparatus |
| 11/22/2005 | US6966374 In situ thermal recovery from a relatively permeable formation using gas to increase mobility |
| 11/22/2005 | US6966372 In situ thermal processing of a hydrocarbon containing formation to produce oxygen containing formation fluids |
| 11/22/2005 | US6966370 Apparatus for actuating an annular piston |
| 11/22/2005 | US6966369 Expandable tubulars |
| 11/22/2005 | US6966366 Plunger enhanced chamber lift for well installations |
| 11/22/2005 | CA2408795C Method for boosting the output voltage of a variable frequency drive |
| 11/22/2005 | CA2390728C Technique for facilitating the pumping of fluids by lowering fluid viscosity |
| 11/22/2005 | CA2330402C Method of providing hydraulic/fiber conduits adjacent bottom hole assemblies for multi-step completions |
| 11/22/2005 | CA2301791C Plunger lift with multipart piston |
| 11/21/2005 | CA2507879A1 Method for generating a 3d conformal hybrid mesh of a heterogenous formation crossed by one or more geometric discontinuities for the purpose of performing simulations |
| 11/17/2005 | WO2005108743A1 Method and apparatus to remove liquids from a well |
| 11/17/2005 | WO2005108742A2 Method and apparatus for completing lateral channels from an existing oil or gas well |
| 11/17/2005 | WO2005108736A2 Modular drill system requiring limited field assembly |
| 11/17/2005 | WO2005079186A3 Expandable tubular |
| 11/17/2005 | WO2004094766A3 Apparatus for radially expanding and plastically deforming a tubular member |
| 11/17/2005 | US20050252689 Multi seam coal bed/methane dewatering and depressurizing production system |
| 11/17/2005 | US20050252688 Drilling method |
| 11/17/2005 | US20050252662 Apparatus and method for expanding a tubular |
| 11/17/2005 | US20050252659 Degradable additive for viscoelastic surfactant based fluid systems |
| 11/17/2005 | US20050252658 System stabilizers and performance enhancers for aqueous fluids gelled with viscoelastic surfactants |
| 11/17/2005 | US20050252657 Method and Apparatus to Isolate Fluids During Gravel Pack Operations |
| 11/17/2005 | US20050252656 In-situ method of producing oil shale and gas (methane) hydrates, on-shore and off-shore |
| 11/17/2005 | US20050252653 Full bore wellhead load shoulder and support ring |
| 11/17/2005 | US20050252651 Wellbore device for selective transfer of fluid |