| 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) |
|---|
| 03/21/2013 | US20130071262 Gas Lift Assist For Fossil Fuel Wells |
| 03/21/2013 | US20130068481 A Bottom Hole Assembly For Deploying An Expandable Liner In a Wellbore |
| 03/21/2013 | US20130068470 Oil recovery |
| 03/21/2013 | US20130068469 Pressurized Polymer Beads As Proppants |
| 03/21/2013 | US20130068468 Groundwater sampling device |
| 03/21/2013 | US20130068467 Self-controlled inflow control device |
| 03/21/2013 | US20130068466 Latching mechanism with adjustable preload |
| 03/21/2013 | US20130068465 Methods and systems for circulating fluid within the annulus of a flexible pipe riser |
| 03/21/2013 | US20130068462 Increased Resource Recovery by Inorganic and Organic Reactions and Subsequent Physical Actions that Modify Properties of the Subterranean Formation which Reduces Produced Water Waste and Increases Resource Utilization via Stimulation of Biogenic Methane Generation |
| 03/21/2013 | US20130068461 Sealing body for well perforation operations |
| 03/21/2013 | US20130068460 Proppant |
| 03/21/2013 | US20130068459 Gravel pack carrier fluids |
| 03/21/2013 | US20130068458 Heat recovery method for wellpad sagd steam generation |
| 03/21/2013 | US20130068457 Method of Manufacture of Guerbet Alcohols For Making Surfactants Used In Petroleum Industry Operations |
| 03/21/2013 | US20130068456 Systems and methods for separating oil and/or gas mixtures |
| 03/21/2013 | US20130068455 Shroud Having Separate Upper and Lower Portions for Submersible Pump Assembly and Gas Separator |
| 03/21/2013 | US20130068454 System, Apparatus and Method For Producing A Well |
| 03/21/2013 | US20130068452 Setting the value of an operational parameter of a well |
| 03/21/2013 | US20130068451 Tools and Methods for Use in Completion of a Wellbore |
| 03/21/2013 | US20130068449 Laser cladding fe-cr alloy on downhole tools |
| 03/21/2013 | CA2848408A1 Methods of using oleaginous fluids for completion operations |
| 03/21/2013 | CA2848249A1 Methods and equipment to improve reliability of pinpoint stimulation operations |
| 03/21/2013 | CA2847972A1 Wellbore frac tool with inflow control |
| 03/21/2013 | CA2846203A1 Completing a multi-stage well |
| 03/21/2013 | CA2845825A1 Method for determining fracture spacing and well fracturing using the method |
| 03/21/2013 | CA2752864A1 Sealing body for well perforation operations |
| 03/20/2013 | EP2570589A1 Setting the value of an operational parameter of a well |
| 03/20/2013 | EP2570586A1 Gravel Pack and Sand Disposal Device |
| 03/20/2013 | EP2569510A2 Undersea leak remediation device and method |
| 03/20/2013 | EP2569509A1 Aquatic recovery and repair system (aars) |
| 03/20/2013 | EP2569507A2 Subterranean flow barriers containing tracers |
| 03/20/2013 | EP2569506A1 Method for combined cleaning and plugging in a well, a washing tool for directional washing in a well, and uses thereof |
| 03/20/2013 | CN202818222U An intelligent energy-saving control device of an oil pumping unit |
| 03/20/2013 | CN202815613U Random-load balancing device for beam type oil pumping machine |
| 03/20/2013 | CN202812725U Device for maintaining lifting rope of pumping unit |
| 03/20/2013 | CN202811986U Belt tip connecting device |
| 03/20/2013 | CN202810821U 气砂锚装置 Gas sand anchor device |
| 03/20/2013 | CN202810820U Oil gas metering separation device |
| 03/20/2013 | CN202810819U Fracturing slide bushing |
| 03/20/2013 | CN202810818U High-pressure wear-resistant manifold assembly |
| 03/20/2013 | CN202810817U High-pressure steam-water two-phase flow metering device |
| 03/20/2013 | CN202810816U Hydraulic releasing mechanism, hydraulic releasing packer and pump sealing integrated production string |
| 03/20/2013 | CN202810815U Mechanical lifting technology tubular column of steam assisted gravity drainage (SAGD) production well |
| 03/20/2013 | CN202810814U Multifunctional auxiliary pipe column for heavy oil thermal recovery |
| 03/20/2013 | CN202810813U Well pattern structure for using combustion and steam combination flooding to jointly exploit thick oil |
| 03/20/2013 | CN202810812U An oil extraction pipe column lifting thickened oil with steam power |
| 03/20/2013 | CN202810811U Water distributor operated with pressure |
| 03/20/2013 | CN202810810U Self-adaptive constant-voltage constant-current intelligent water flooding apparatus |
| 03/20/2013 | CN202810809U Automatic control system of production of nature gas well |
| 03/20/2013 | CN202810808U Replaceable lubricating nipple and tool case |
| 03/20/2013 | CN202810807U Coaxiality structure of coaxial radial perforator |
| 03/20/2013 | CN202810806U Coaxial radial perforator for oil-gas wells |
| 03/20/2013 | CN202810805U Tower type double-well oil pumping unit |
| 03/20/2013 | CN202810804U Tower type pumping unit |
| 03/20/2013 | CN202810803U Working barrel for trial oil mining |
| 03/20/2013 | CN202810802U Counterweight regulating block |
| 03/20/2013 | CN202810801U Balance weight of assembled and welded pumping unit |
| 03/20/2013 | CN202810800U Direct-drive vertical type oil pumping machine with electrical switching machine and uninstall hanging linkage electrical machine |
| 03/20/2013 | CN202810799U Oil well formation testing suction device |
| 03/20/2013 | CN202810798U Oil well numerical-control electromagnetic heating apparatus |
| 03/20/2013 | CN202810788U Pitching sliding sleeve |
| 03/20/2013 | CN202810770U Metal rubber composite plastic tube of bailing oil production puller |
| 03/20/2013 | CN202810704U Beam hanger of tower type pumping unit |
| 03/20/2013 | CN202807547U Self-diving and self-floating type underwater oil production and storage device |
| 03/20/2013 | CN202802892U Underground filter and underground filtering water distributor |
| 03/20/2013 | CN102980167A Supercritical pressure coal-fired steam-injection boiler |
| 03/20/2013 | CN102979904A Piston cylinder in oil pumping device of intelligent intermittent bailing type oil pumping unit |
| 03/20/2013 | CN102979516A Workmanship of indoor microscopic oil displacement model |
| 03/20/2013 | CN102979510A Coal seam water injection displacement gas effect simulated experiment system |
| 03/20/2013 | CN102979498A Coal-bed gas multi-branch horizontal-well system |
| 03/20/2013 | CN102979497A Device and method for immovable-string type packer-free sliding-sleeve hydraulic-jet pulsed acid fracturing |
| 03/20/2013 | CN102979496A Coiled tubing multilayer fracture acidizing pipe string and application method thereof |
| 03/20/2013 | CN102979495A Multi-cluster current limiting fracturing string of open hole horizontal well and fracturing method thereof |
| 03/20/2013 | CN102979494A Throwing open type multi-cluster sliding sleeve |
| 03/20/2013 | CN102979493A Gas injection system for combustion of oil in-situ under super-critical pressure and gas injection method thereof |
| 03/20/2013 | CN102979492A Experimental device for producing thin and heavy oil by solvent extraction |
| 03/20/2013 | CN102979491A Multielement oil well screen |
| 03/20/2013 | CN102979490A Bubble-column vortex-induced vibration suppression device of stand pipe under marine environment |
| 03/20/2013 | CN102979489A Wind power oil pumping system |
| 03/20/2013 | CN102979488A Pumping unit |
| 03/20/2013 | CN102979487A Water control process for preset cable of horizontal well |
| 03/20/2013 | CN102979486A Power-lowering tower-type oil pumping unit |
| 03/20/2013 | CN102979485A Walking beam fulcrum spring plate storage and release kinetic energy power assisted brake start pumping unit |
| 03/20/2013 | CN102979484A Dip angle beam counterweight pumping unit |
| 03/20/2013 | CN102979483A Walking beam power pumping unit |
| 03/20/2013 | CN102979481A Anti-blocking constant pressure switch of water injection string |
| 03/20/2013 | CN102979473A Layered pulse pressure-charging plug removal device and method for oil filed water injection well |
| 03/20/2013 | CN102977876A Guar gum fracturing fluid with ultralow concentration and low-temperature coal-bed gas well fracturing method |
| 03/20/2013 | CN102977874A Thick oil emulsification viscosity reducer and preparation and use method thereof |
| 03/20/2013 | CN102392861B Safe brake device of oil pumping unit |
| 03/20/2013 | CN102094612B Active water fracturing technology of coal-bed gas well |
| 03/20/2013 | CN101922288B Intelligent monitoring sucker rod and monitoring system thereof |
| 03/20/2013 | CN101787873B Intelligent injection allocation process of water injection well |
| 03/19/2013 | US8401795 Methods of detecting, preventing, and remediating lost circulation |
| 03/19/2013 | US8399386 Foamers for downhole injection |
| 03/19/2013 | US8397822 Multiphase conductor shoe for use with electrical submersible pump |
| 03/19/2013 | US8397821 Caisson two-phase emulsion reducer |
| 03/19/2013 | US8397820 Method and apparatus for wellbore fluid treatment |
| 03/19/2013 | US8397819 Systems and methods for operating a plurality of wells through a single bore |
| 03/19/2013 | US8397817 Methods for downhole sampling of tight formations |