| 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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| 08/21/2013 | CN103261575A Capture device for a bore hole of a fluid source |
| 08/21/2013 | CN103261571A Stable subsea electric power transmission to run subsea high speed motors |
| 08/21/2013 | CN103256035A Fracturing fracture geological design method of horizontal well of dense gas field |
| 08/21/2013 | CN103256034A Two important methods for improving steam stimulation effect |
| 08/21/2013 | CN103256033A Piston type low shearing mother liquor flow regulation device |
| 08/21/2013 | CN103256032A Method for enhancing water injecting capacity of hypotonic oil field by utilizing nano-powder material |
| 08/21/2013 | CN103256031A Oil extraction and water injection synchronous conduction control system in same oil well |
| 08/21/2013 | CN103256030A Ground water-air alternately-injecting process with hot water slug and multi-injection by one pipe |
| 08/21/2013 | CN103256029A Method and device for cable conveying secondary well-descending oriented perforation |
| 08/21/2013 | CN103256028A Walking-beam-free oil pumping unit with open ring gear |
| 08/21/2013 | CN103256027A Double-horsehead pumping unit with chain traction mechanism |
| 08/21/2013 | CN103256026A Single-horsehead pumping unit with chain traction mechanism |
| 08/21/2013 | CN103256025A Composite well net type coal bed gas mining method |
| 08/21/2013 | CN103256024A Method and device for engineering measurement of position factor and torque factor of beam-pumping unit |
| 08/21/2013 | CN103256023A Variable-stroke non-beam pumping unit |
| 08/21/2013 | CN103256022A Flow automatic measuring and control device |
| 08/21/2013 | CN103254883A Oil-displacing agent and oil-displacing method for enhancing recovery ratio of high-temperature, high-salinity and high-hardness reservoir crude oil |
| 08/21/2013 | CN102425446B Gas-residue separating integrated critical pumping device used for coal mine underground hole-drilling |
| 08/21/2013 | CN102278105B Full automatic degassing machine |
| 08/21/2013 | CN102146786B Polymer flooding and water flooding double-function external adjusting stopper |
| 08/21/2013 | CN102094641B Fracturing filling sand prevention model |
| 08/21/2013 | CN102031953B Underground position selecting hydraulic decoding method and device of intelligent well |
| 08/21/2013 | CN102031940B Method for allowing downhole tool to pass through water distributors back and forth and execution device |
| 08/21/2013 | CN101896689B Method of expanding a tubular element in a wellbore |
| 08/21/2013 | CN101781979B Hydraulic driving oil extraction equipment |
| 08/21/2013 | CA2806898A1 Apparatus and methods for wellbore completion |
| 08/20/2013 | US8513166 Low temperature hydrocarbon gel |
| 08/20/2013 | US8512576 System and method for the production or handling of heavy oil |
| 08/20/2013 | US8511401 Method and apparatus for delivering high power laser energy over long distances |
| 08/20/2013 | US8511390 Rigless low volume pump system |
| 08/20/2013 | US8511386 Pumping module and system |
| 08/20/2013 | US8511384 Methods for producing oil and/or gas |
| 08/20/2013 | US8511383 Bottom hole assembly |
| 08/20/2013 | US8511382 Method for determining filtration properties of rocks |
| 08/20/2013 | US8511381 High solids content slurry methods and systems |
| 08/20/2013 | US8511380 Multi-zone gravel pack system with pipe coupling and integrated valve |
| 08/20/2013 | US8511378 Control system for extraction of hydrocarbons from underground deposits |
| 08/20/2013 | US8511373 Flow-induced electrostatic power generator for downhole use in oil and gas wells |
| 08/20/2013 | US8511372 Method and system for accessing subterranean deposits from the surface |
| 08/20/2013 | CA2694910C Reclamation of halide-contaminated formate brines |
| 08/20/2013 | CA2685053C Restrictor valve mounting for downhole screens |
| 08/20/2013 | CA2618277C Method and apparatus associated with stimulation treatments for wells |
| 08/20/2013 | CA2598438C Method and apparatus for stimulating wells with propellants |
| 08/20/2013 | CA2572686C Monitoring fluid pressure in a well and retrievable pressure sensor assembly for use in the method |
| 08/20/2013 | CA2570314C A well screen |
| 08/20/2013 | CA2559140C A method and device for establishing an underground well |
| 08/16/2013 | CA2806955A1 Operation process for a deposit based on a selection technique for the positions of the wells to be drilled |
| 08/15/2013 | WO2013119778A1 Systems and methods for integrating bitumen extraction with bitumen upgrading |
| 08/15/2013 | WO2013119590A1 Interruptor sub, perforating gun having the same, and method of blocking ballistic transfer |
| 08/15/2013 | WO2013119472A1 Downhole screen with exterior shunts and manifolded shunt connections at tubular joints |
| 08/15/2013 | WO2013119345A1 Modeling fracturing fluid leak-off |
| 08/15/2013 | WO2013119194A1 Pump-through fluid loss control device |
| 08/15/2013 | WO2013117741A1 Enhanced oil recovery process using low salinity water |
| 08/15/2013 | WO2013090901A3 Method and apparatus of using heat generated by single well engineered geothermal system (swegs) to heat oil laden rock or rock with permeable fluid content for enhance oil recovery |
| 08/15/2013 | WO2013045553A3 A downhole injection tool |
| 08/15/2013 | WO2013043217A3 Apparatus and method of concentric cement bonding operations before and after cementation |
| 08/15/2013 | WO2013030605A3 Method for transporting minerals and fossil fuels from underwater sources |
| 08/15/2013 | WO2013025420A3 Hydrocarbon recovery employing an injection well and a production well having multiple tubing strings with active feedback control |
| 08/15/2013 | WO2012151060A3 Adjustment and restraint system for a subsea flex joint |
| 08/15/2013 | WO2012122041A3 Heat recovery method for wellpad sagd steam generation |
| 08/15/2013 | WO2012119076A3 In situ combustion following sagd |
| 08/15/2013 | WO2012118411A3 Method for the additional development of depleted natural hydrocarbon deposits |
| 08/15/2013 | WO2012118410A3 Method of carbon dioxide disposal in water-bearing strata |
| 08/15/2013 | WO2012116079A3 Subsea conductor anchor |
| 08/15/2013 | WO2012114068A3 Use of micro-electro-mechanical systems (mems) in well treatments |
| 08/15/2013 | WO2012099841A3 Method for capping a well in the event of subsea blowout preventer failure |
| 08/15/2013 | US20130211807 Method and System for Fracturing a Formation |
| 08/15/2013 | US20130206748 Mineral insulated skin effect heating cable |
| 08/15/2013 | US20130206475 Method to optimize perforations for hydraulic fracturing in anisotropic earth formations |
| 08/15/2013 | US20130206426 Expandable casing patch |
| 08/15/2013 | US20130206422 Gas Handler, Riser Assembly, and Method |
| 08/15/2013 | US20130206421 Equipment for the conveying and recovery of hydrocarbons from an underwater well for the extraction of hydrocarbons, under uncontrolled release conditions |
| 08/15/2013 | US20130206420 Retrievable flow module unit |
| 08/15/2013 | US20130206416 Earth Metal Peroxide Fluidized Compositions |
| 08/15/2013 | US20130206415 Method and Apparatus for Modifying a Cargo Container to Deliver Sand to a Frac Site |
| 08/15/2013 | US20130206414 System and method for pre-conditioning a hydrate reservoir |
| 08/15/2013 | US20130206413 Gas evolving oil viscosity diminishing compositions for stimulating the productive layer of an oil reservoir |
| 08/15/2013 | US20130206412 Method and System for Fracture Stimulation by Cyclic Formation Settling and Displacement |
| 08/15/2013 | US20130206411 Shale gas operation method |
| 08/15/2013 | US20130206409 One-way flowable anchoring system and method of treating and producing a well |
| 08/15/2013 | US20130206408 Light Weight Proppant With Improved Strength And Methods Of Making Same |
| 08/15/2013 | US20130206407 Permeable fracturing material |
| 08/15/2013 | US20130206406 Economical construction of well screens |
| 08/15/2013 | US20130206405 Methods and systems for in-situ extraction of bitumen |
| 08/15/2013 | US20130206404 Method of treating flowback fluid |
| 08/15/2013 | US20130206403 Enhanced oil recovery process |
| 08/15/2013 | US20130206400 Method and apparatus for thermally treating an oil reservoir |
| 08/15/2013 | US20130206399 Method for preheating an oil-saturated formation |
| 08/15/2013 | US20130206398 PROCESS FOR HYDRAULIC FRACTURING WITH pH CONTROL |
| 08/15/2013 | US20130206394 Downhole Screen with Exterior Shunts and Manifolded Shunt Connections at Tubular Joints |
| 08/15/2013 | US20130206393 Economical construction of well screens |
| 08/15/2013 | US20130206392 Fracturing Tool Anchor |
| 08/15/2013 | US20130206389 Dual closure system for well system |
| 08/15/2013 | US20130206387 Communicating power and data to a component in a well |
| 08/15/2013 | US20130206385 Multi-element hybrid perforating apparatus |
| 08/15/2013 | US20130206384 Synchronised system for the production of crude oil by means of in-situ combustion |
| 08/15/2013 | US20130206134 Subsurface thermal energy storage of heat generated by concentrating solar power |
| 08/14/2013 | EP2625382A2 Device for capturing and conducting away liquids and/or gases escaping from a bed of a body of water |
| 08/14/2013 | EP2625381A1 Actuation dart for wellbore operations, wellbore treatment apparatus and method |
| 08/14/2013 | EP2625380A1 Wireline conveyed apparatus for wellbore fluid treatment |