| 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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| 04/21/2011 | US20110088899 Process for the production of mineral oil |
| 04/21/2011 | US20110088898 Producing gaseous hydrocarbons from hydrate capped reservoirs |
| 04/21/2011 | US20110088897 Integrated enhanced oil recovery process |
| 04/21/2011 | US20110088896 Integrated enhanced oil recovery process |
| 04/21/2011 | US20110088889 Perforating charge for use in a well |
| 04/21/2011 | US20110088888 System, method, and apparatus for breaking fracturing fluids |
| 04/21/2011 | DE102009035315B4 Filter Filter |
| 04/21/2011 | CA2777621A1 Hydrocarbons |
| 04/21/2011 | CA2777427A1 Perforation gun having self-closing penetration holes |
| 04/21/2011 | CA2774184A1 Hydrocarbon recovery operations fluids and methods for using the same |
| 04/21/2011 | CA2718044A1 Process for the production of mineral oil |
| 04/20/2011 | EP2312120A2 Sand control screen assembly with flow control capability |
| 04/20/2011 | EP2310767A2 Enhanced geothermal systems and reservoir optimization |
| 04/20/2011 | EP2310624A1 Method for removing a consumable downhole tool specification |
| 04/20/2011 | EP2310623A1 Wellbore fluid treatment process and installation |
| 04/20/2011 | EP2310622A1 Arrangement for directing a fluid flow |
| 04/20/2011 | EP2310579A1 Radial collector well and method for constructing or improving radial collector wells |
| 04/20/2011 | CN201802746U Anti-off crank pin applied on curved beam pumping unit |
| 04/20/2011 | CN201802397U Electricity powered sampling switch device |
| 04/20/2011 | CN201802379U Gas anchor for separating petroleum and bubbles |
| 04/20/2011 | CN201802378U In-situ leaching drainage liquid receiving system provided with diversion hole |
| 04/20/2011 | CN201802377U In situ leaching drainage liquid recovering system with secondary tunnels |
| 04/20/2011 | CN201802376U Barefoot well completion hydraulic power sand blast immovable pipe column staged fracturing string |
| 04/20/2011 | CN201802375U Multi-agent on-line mixing device for water injection well adjustment and driving |
| 04/20/2011 | CN201802374U Working barrel for underground water distribution and monitoring |
| 04/20/2011 | CN201802373U Anti-sand burying single rubber cylinder underground throttleer capable of throwing-in and pulling |
| 04/20/2011 | CN201802372U Underground throttle |
| 04/20/2011 | CN201802371U Suspended speed tail pipe |
| 04/20/2011 | CN201802370U Underground high-pressure water jet injection tool device |
| 04/20/2011 | CN201802369U Anti-blocking sand filtering pipe of polymer injection well |
| 04/20/2011 | CN201802368U Underground hydraulic expansion cone |
| 04/20/2011 | CN201802367U Oil well throwing-in and pulling-out type sleeve sand control pipe |
| 04/20/2011 | CN201802366U High-pressure injection side-drilling small borehole tool device |
| 04/20/2011 | CN201802365U Power assembly of oil pumping unit capable of positioning reversing |
| 04/20/2011 | CN201802364U Adjustable natural gas jet and drainage device |
| 04/20/2011 | CN201802363U In-situ leaching fluid-injecting system |
| 04/20/2011 | CN201802362U Underground gasification passage through device |
| 04/20/2011 | CN201802361U Oil well associated gas pressurizing mixed transportation sled |
| 04/20/2011 | CN201802360U Crank pumping unit without beam |
| 04/20/2011 | CN201802359U Intelligent actuator for oil pumping unit |
| 04/20/2011 | CN201802354U Check type choke seat |
| 04/20/2011 | CN201802353U Funnel-shaped choke of flowing well |
| 04/20/2011 | CN201802349U Spraying guiding pipe inserting and surface direct-drilling device for ocean deepwater drilling |
| 04/20/2011 | CN201802342U Conical sealing plug for cut-off device of oil and gas extraction well |
| 04/20/2011 | CN201802341U Portable high pressure water injection wellhead |
| 04/20/2011 | CN201802332U Clamping nail setting device |
| 04/20/2011 | CN201801915U Skid-mounted water tank for water injection station |
| 04/20/2011 | CN102027196A Radio and microwave treatment of oil wells |
| 04/20/2011 | CN102027195A Methods to stimulate biogenic methane production from hydrocarbon-bearing |
| 04/20/2011 | CN102027194A Systems and methods for producing oil and/or gas |
| 04/20/2011 | CN102027193A Promotion of methane hydrate decomposition and methane gas collecting system |
| 04/20/2011 | CN102027191A Downhole valve for preventing zonal cross-flow |
| 04/20/2011 | CN102022964A Detection method of aperture of underground laminated injection water nozzle and water nozzle regulating mechanism |
| 04/20/2011 | CN102022107A Method for establishing physical model capable of predicting waterflooding of fractured anisotropic oil reservoirs |
| 04/20/2011 | CN102022105A Large composite acid fracturing method of fracture cave type carbonate rock reservoir |
| 04/20/2011 | CN102022104A Open-hole packer for open-hole horizontal well and preset connector fracturing well completion method |
| 04/20/2011 | CN102022103A Bar/ball pitching device for gas production through draining water with foam |
| 04/20/2011 | CN102022102A Thickened oil watering regulation-free device |
| 04/20/2011 | CN102022101A Multi-stage perforating pressurizing device |
| 04/20/2011 | CN102022100A Tandem combined perforating and sand-controlling device for oil well |
| 04/20/2011 | CN102022099A Body-free side detonation bidirectional perforator used for oil well |
| 04/20/2011 | CN102022098A Process for realizing oil production by flexible continuous sucker rod |
| 04/20/2011 | CN102022089A Array type cluster well group workover operation device and operation method thereof |
| 04/20/2011 | CN102020984A In-fissure diversion fracturing temporary blocking agent for low-permeability oilfield, and preparation method and application thereof |
| 04/20/2011 | CN102020981A Temperature-resistant, salt-resistant and low-tension foam flooding agent and preparation method thereof |
| 04/20/2011 | CN101487378B Dynamic load transfer apparatus for self-lifting type drill ship pile leg locking device |
| 04/20/2011 | CN101139923B Method for developing deep-layer heavy crude reservoir by carbon dioxide auxiliary steam driving |
| 04/20/2011 | CN101082598B Oil pad interface detector |
| 04/19/2011 | US7928042 Composition and method for recovering hydrocarbon fluids from a subterranean reservoir |
| 04/19/2011 | US7928041 Methods of treating a portion of a well with a polymer or polymer system capable of forming a gel that dissolves at a low and high pH |
| 04/19/2011 | US7928040 comprising: water; a source of hydrogen peroxide, and an activator; breaking a viscosity increasing polymer, such as xanthan |
| 04/19/2011 | US7926595 Filter sub |
| 04/19/2011 | US7926570 Method and apparatus for preventing spillage or loss of drill fluids |
| 04/19/2011 | US7926568 Non-acid acidizing methods and compositions |
| 04/19/2011 | US7926567 Method for controlled gelation of silicates |
| 04/19/2011 | US7926566 Method of making a downhole cutting tool, using a single piece tubular with a radially displaceable portion |
| 04/19/2011 | US7926565 Shape memory polyurethane foam for downhole sand control filtration devices |
| 04/19/2011 | US7926564 Portable well treating fluid mixing system and method |
| 04/19/2011 | US7926561 Systems and methods for producing oil and/or gas |
| 04/19/2011 | CA2770428A1 Multi-zone fracturing completion |
| 04/19/2011 | CA2641692C Consolidating agent emulsions and associated methods |
| 04/19/2011 | CA2630120C Electric motors for powering downhole tools |
| 04/19/2011 | CA2610338C Combined hydrogen production and unconventional heavy oil extraction |
| 04/19/2011 | CA2436453C Methods and compositions for forming subterranean fractures containing resilient proppant packs |
| 04/15/2011 | CA2717640A1 Siliceous proppant process of manufacture |
| 04/14/2011 | WO2011044260A2 Method for hydrocarbon removal and recovery from drill cuttings |
| 04/14/2011 | WO2011044227A2 Apparatuses and methods of manufacturing oilfield machines |
| 04/14/2011 | WO2011044078A2 Chemical injection of lower completions |
| 04/14/2011 | WO2011043872A2 Multi-point chemical injection system for intelligent completion |
| 04/14/2011 | WO2011043672A1 A tool for a horizontal connecting device |
| 04/14/2011 | WO2011043671A1 Horizontal connecting device |
| 04/14/2011 | WO2011041887A1 Jet-drilling and completion process |
| 04/14/2011 | WO2011014604A3 Electric ballistic connection through a field joint |
| 04/14/2011 | WO2011002682A3 Remotely controllable manifold |
| 04/14/2011 | WO2010149953A3 Carbon capture and storage using minimal offshore structures |
| 04/14/2011 | WO2010110674A3 Subsea system with subsea cooler and method for cleaning the subsea cooler |
| 04/14/2011 | US20110083855 Gas Injection Control Devices and Methods of Operation Thereof |
| 04/14/2011 | US20110083852 Frac adapter for wellhead |
| 04/14/2011 | US20110083850 Proppant and production method thereof |
| 04/14/2011 | US20110083849 Heterogeneous proppant placement in a fracture with removable channelant fill |