Patents
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)
11/2006
11/02/2006US20060243449 Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
11/02/2006US20060243448 Flue gas injection for heavy oil recovery
11/02/2006US20060243446 Fracturing a subterranean formation with an aqueous base fluid containing a partially crosslinked carboxylic acid polymer as a gelling agent: acrylamide terpolymer with acrylamidopropanesulfonic acid and itaconic acid, 1-butene-2,3,4-tricarboxylic acid or maleic acid; may be foamed
11/02/2006US20060243445 One-Trip Cut-to-Release Apparatus and Method
11/02/2006US20060243444 apparatus for radially expanding and plastically deforming a tubular member
11/02/2006US20060243443 Multi-perf fracturing process
11/02/2006US20060243442 Methods and compositions for enhancing hydrocarbon production
11/02/2006US20060243441 Use of coated proppant to minimize abrasive erosion in high rate fracturing operations
11/02/2006US20060243440 Washpipeless frac pack system
11/02/2006US20060243439 Method and apparatus for continuous downhole fluid release
11/02/2006US20060243437 mixing proppant with a fracturing fluid to create a proppant-laden slurry, removing the majority of the fluid from the proppant using centrifugal forces, blending the proppant with gaseous nitrogen and/or liquid carbon dioxide; monitoring and flow control equipment to regulate and/or automate the method
11/02/2006EP1717411A1 Methods and apparatus for expanding tubular members
11/02/2006EP1717288A2 Amine-based gas hydrate inhibitors
11/02/2006EP1210503B1 Apparatus for and a method of anchoring an expandable conduit
11/02/2006CA2820375A1 A method for producing a carbon disulfide formulation
11/02/2006CA2610369A1 Lateral control system
11/02/2006CA2606295A1 Varying properties along lengths of temperature limited heaters
11/02/2006CA2606218A1 In situ conversion process systems utilizing wellbores in at least two regions of a formation
11/02/2006CA2606216A1 Temperature limited heater utilizing non-ferromagnetic conductor
11/02/2006CA2606215A1 Systems and methods for producing oil and/or gas
11/02/2006CA2606210A1 Grouped exposed metal heaters
11/02/2006CA2605914A1 Well treatment using a progressive cavity pump
11/02/2006CA2605729A1 In situ conversion process utilizing a closed loop heating system
11/02/2006CA2605724A1 Methods and systems for producing fluid from an in situ conversion process
11/02/2006CA2605292A1 U-shaped fiber optical cable assembly for use in a heated well and methods for installing and using the assembly
11/01/2006CN2833176Y 杆式抽稠油泵 Rod pumping heavy oil
11/01/2006CN2833175Y Sand control device for oil well pump
11/01/2006CN2833174Y Auxiliary tool for sand control pump for oil production in oilfield
11/01/2006CN2833173Y Reverse flow preventing nozzle for submersible pump well
11/01/2006CN2833172Y Energy-saving submersible electric pump oil production apparatus employing linear motor to drive dual-acting pump
11/01/2006CN2833171Y Feedback type sand-proof thick oil pump
11/01/2006CN2833170Y Ball valve type whole drum bridged anti-gas pump
11/01/2006CN2833105Y High-precision oil well tipper-hopper mass flowmeter
11/01/2006CN2833103Y Low-debris penetrating charge
11/01/2006CN2833102Y Turnover device for perforating gun of oil well
11/01/2006CN2833101Y Sand prevention pipe
11/01/2006CN2833092Y Load carrier for polished rod eye of pumping machine
11/01/2006CN1854459A Underground coal gasification
11/01/2006CN1854458A Electric heater of re-production of long shutoff thick oil and high viscosity oil well
10/2006
10/31/2006US7128375 Method and means for recovering hydrocarbons from oil sands by underground mining
10/31/2006US7128162 Method and apparatus for positioning a sleeve down hole in a hydrocarbon producing well and pipelines
10/31/2006US7128160 Method and apparatus to selectively reduce wellbore pressure during pumping operations
10/31/2006US7128158 Lightweight composite particulates and methods of using such particulates in subterranean applications
10/31/2006US7128157 Method and apparatus for treating a well
10/31/2006US7128156 Wellbore rig with heat transfer loop apparatus
10/31/2006US7128153 Treatment of a hydrocarbon containing formation after heating
10/31/2006US7128152 Method and apparatus to selectively reduce wellbore pressure during pumping operations
10/31/2006US7128151 Gravel pack crossover tool with single position multi-function capability
10/31/2006US7128150 Acid gas disposal method
10/31/2006US7128148 Well treatment fluid and methods for blocking permeability of a subterranean zone
10/31/2006US7128147 Modular liner hanger
10/31/2006US7128146 Compliant swage
10/31/2006CA2443527C Pressure wave expansion tool
10/31/2006CA2398001C Isolation of subterranean zones
10/31/2006CA2372997C Single trip, multiple zone isolation, well fracturing system
10/31/2006CA2308372C Formation treatment method using deformable particles
10/27/2006CA2544362A1 System and method of installing and maintaining an offshore exploration and production system having an adjustable buoyancy chamber
10/27/2006CA2505441A1 Improved blunger vat.
10/26/2006WO2006113775A1 Compliant cladding seal/hanger
10/26/2006WO2006113500A1 Self conforming screen
10/26/2006US20060240994 Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation
10/26/2006US20060237197 Wellbore apparatus and method for completion, production and injection
10/26/2006US20060237195 Positive pressure gas jacket for a natural gas pipeline
10/26/2006US20060237194 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
10/26/2006US20060237193 Casing mandrel with well stimulation tool and tubing head spool for use with the casing mandrel
10/26/2006US20060237191 Model HCCV hydrostatic closed circulation valve
10/26/2006US20060237190 Stimulation tool having a sealed ignition system
10/26/2006US20060237187 Downhole vibratory tool
10/25/2006EP1558914A4 In-situ detection and analysis of coal bed methane formations with optical instruments and methods and apparatus to facilitate methane production and analysis
10/25/2006CN2830708Y High efficiencyenvironment protection oil-well pump
10/25/2006CN1851267A Rod type ceramic oil-pump
10/25/2006CN1851230A Automatic torque-changing pumping unit
10/25/2006CN1281848C Riser device
10/25/2006CN1281847C Method for pumping fluids
10/25/2006CN1281846C Method and appts. for stimulation of multiple formation intervals
10/25/2006CN1281581C Alkyl benzene sulfonate, its compound, alkyl benzene sulfonate surfactant and its application
10/24/2006US7125826 Emulsions in drilling, hydraulic fracturing, gravel packing and completion and then inverting the emulsion to a water external- oil internal emulsion are provided. The methods basically comprise the steps of contacting the oil
10/24/2006US7125053 Pre-expanded connector for expandable downhole tubulars
10/24/2006US7124830 Methods of placing expandable downhole tubing in a wellbore
10/24/2006US7124829 Tubular expansion fluid production assembly and method
10/24/2006US7124826 Procedures and equipment for profiling and jointing of pipes
10/24/2006US7124825 Casing wear band and method of attachment
10/24/2006US7124824 Washpipeless isolation strings and methods for isolation
10/24/2006US7124823 Apparatus for and method of anchoring a first conduit to a second conduit
10/24/2006US7124822 introducing a completion fluid: water; lts selected from ammonium chloride, sodium chloride/bromide/formate, potassium chloride/formate, calcium chloride/bromide, zinc bromide, and cesium formate; oxygen or nitrogen gas; capryl/capramidopropylbetaine surfactant foaming agent to a subterranean zone
10/24/2006US7124821 Apparatus and method for expanding a tubular
10/24/2006US7124817 Method of treating a hydrocarbon bearing formation
10/24/2006CA2228732C Inflatable tubular sleeve for tubing or obturating a well or a pipe
10/24/2006CA2219212C Carboxyalkyl substituted polygalactomannan fracturing fluids
10/19/2006WO2006088743A3 Radial expansion of a wellbore casing against a formation
10/19/2006WO2006069177A3 Accessing subterranean resources by formation collapse
10/19/2006US20060234877 Systems, methods, and catalysts for producing a crude product
10/19/2006US20060234876 in presence of a pore size catalyst; crude product is a liquid mixture at 25 degrees C. and 0.101 MPa; hydrotreating; specific micro-carbon-residue in the product; vacuum gas oil product; binder of silica, alumina, silica/alumina, titanium oxide, zirconium oxide; producing a transportation fuel
10/19/2006US20060234874 Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation
10/19/2006US20060234872 Low damage treatment fluids and methods of using the same
10/19/2006US20060234870 Methods and compositions for delaying the release of treatment chemicals
10/19/2006US20060233650 Pumping unit driven by a linear electric motor
10/19/2006US20060231455 Method for production and upgrading of oil
10/19/2006US20060231266 System for direct vertical connection between contiguous subsea equipment and method of installation of said connection
10/19/2006US20060231261 Drill rod greasing magazine and method