| 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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| 03/04/2014 | US8664168 Method of using composites in the treatment of wells |
| 03/04/2014 | US8664165 Fluid loss pills |
| 03/04/2014 | US8663589 CO2 recovery using the sure process |
| 03/04/2014 | US8662186 Downhole backspin retarder for progressive cavity pump |
| 03/04/2014 | US8662184 Multi-section tree completion system |
| 03/04/2014 | US8662178 Responsively activated wellbore stimulation assemblies and methods of using the same |
| 03/04/2014 | US8662177 Hydraulic fracture diverter apparatus and method thereof |
| 03/04/2014 | US8662175 Varying properties of in situ heat treatment of a tar sands formation based on assessed viscosities |
| 03/04/2014 | US8662173 Plugging thief zones and fractures by in-situ and in-depth crystallization for improving water sweep efficiency of sandstone and carbonate reservoirs |
| 03/04/2014 | US8662172 Methods to gravel pack a well using expanding materials |
| 03/04/2014 | US8662171 Method and composition for oil enhanced recovery |
| 03/04/2014 | US8662170 Cuttings transfer system |
| 03/04/2014 | US8662167 Wear-resistant separating device for removing sand and rock particles |
| 03/04/2014 | US8662164 Setting tool |
| 03/04/2014 | US8662160 Systems and conveyance structures for high power long distance laser transmission |
| 03/04/2014 | US8662159 Apparatus for isolating and completing multi-zone frac packs |
| 03/04/2014 | CA2543801C Reservoir model building methods |
| 02/28/2014 | CA2822878A1 System, method and apparatus for computing, monitoring, measuring, optimizing and allocating power and energy for a rod pumping system |
| 02/27/2014 | WO2014032003A1 System and method for performing stimulation operations |
| 02/27/2014 | WO2014031728A1 System and method for separating fluid produced from a wellbore |
| 02/27/2014 | WO2014031711A1 Hydraulic fracturing with improved viscosity liquefied industrial gas based solution |
| 02/27/2014 | WO2014031607A1 Methods and devices for hydraulic fracturing design and optimization: a modification to zipper frac |
| 02/27/2014 | WO2014031483A1 Composition for producing oil |
| 02/27/2014 | WO2014031482A1 Method, system and composition for producing oil |
| 02/27/2014 | WO2014031436A1 Progressive cavity pump |
| 02/27/2014 | WO2014031406A1 Gas fracture injection to overcome retrograde condensation in gas wells |
| 02/27/2014 | WO2014031392A1 Enhancing production of clathrates by use of thermosyphons |
| 02/27/2014 | WO2014031223A1 Systems and methods for re-completing multi-zone wells |
| 02/27/2014 | WO2014031132A1 Upgrading hydrocarbon material on offshore platforms |
| 02/27/2014 | WO2014031123A1 Methods for retrieval and replacement of subsea production and processing equipment |
| 02/27/2014 | WO2014031006A1 Device for collection of particulate material in a conduit |
| 02/27/2014 | WO2014029854A1 A system and a method for separating liquid and gas flowing through a multiphase pipeline |
| 02/27/2014 | WO2014029009A1 Bitumen recovery process |
| 02/27/2014 | WO2014029000A1 Reduced emissions method for recovering product from a hydraulic fracturing operation |
| 02/27/2014 | WO2014008514A3 Shaped-charge well stimulation for increasing access to liquid in an underground reservoir |
| 02/27/2014 | WO2014008457A3 Method and apparatus for producing unconventional oil at shallow depths |
| 02/27/2014 | WO2014007684A3 Petroleum extraction device |
| 02/27/2014 | WO2013103786A3 Gravel pack inner string adjustment device |
| 02/27/2014 | WO2013055691A3 Method for real-time monitoring and transmitting hydraulic fracture seismic events to surface using the pilot hole of the treatment well as the monitoring well |
| 02/27/2014 | US20140054050 Gas Fracture Injection to Overcome Retrograde Condensation in Gas Wells |
| 02/27/2014 | US20140054047 Expandable liner hanger and method of use |
| 02/27/2014 | US20140054042 Centre For The Preparation Of Additives For Hydraulic Fracturing Operations And Hydraulic Fracturing Process Employing The Preparation Centre |
| 02/27/2014 | US20140054041 Apparatus for creating bidirectional rotary force or motion in a downhole device and method of using same |
| 02/27/2014 | US20140054040 Methods to enhance matrix acidizing in low permeabilty reservoirs |
| 02/27/2014 | US20140054035 Methods for Propping Fractures Using Proppant-Laden Aggregates and Shear-Thickening Fluids |
| 02/27/2014 | US20140054034 Methods and Compositions for Enhancing Well Productivity in Weakly Consolidated or Unconsolidated Formations |
| 02/27/2014 | US20140054033 Methods and Compositions for Screenless Completion |
| 02/27/2014 | US20140054032 In Situ Retorting and Refining of Hydrocarbons |
| 02/27/2014 | US20140054028 Bitumen recovery process |
| 02/27/2014 | US20140054026 Air Release Assembly For Use With Providing Heated Water For Well Related Activities |
| 02/27/2014 | US20140053917 Dual stage flow back recovery system |
| 02/27/2014 | US20140053715 Composite perforation device with scallops on the inner wall |
| 02/27/2014 | US20140053637 Device for measuring and controlling on-line viscosity at high pressure |
| 02/27/2014 | CA2821558A1 Centre for the preparation of additives for hydraulic fracturing operations and hydraulic fracturing process employing the preparation centre |
| 02/27/2014 | CA2787791A1 Water management system and method |
| 02/26/2014 | EP2700785A2 Natural fracture injection test |
| 02/26/2014 | EP2700151A2 Downhole assembly with magnetic gearbox |
| 02/26/2014 | EP2699762A2 Electrical submersible pump with reciprocating linear motor |
| 02/26/2014 | EP2699760A2 Tubular actuating system and method |
| 02/26/2014 | CN203455672U Automatic control system for fracturing blender truck |
| 02/26/2014 | CN203455035U Production metering device of oil field cluster well |
| 02/26/2014 | CN203454090U Saturated water exit end vortex eliminating device for oil field steam-injection boiler steam-water separator |
| 02/26/2014 | CN203454086U Superheated steam injection device of oil field steam-injection boiler |
| 02/26/2014 | CN203454085U Mixer of oil field steam-injection boiler |
| 02/26/2014 | CN203454082U Electric heating steam generating device for well drilling |
| 02/26/2014 | CN203453747U Centralized lubricating device of beam pumping unit |
| 02/26/2014 | CN203452766U Simple and efficient dryer for oil well mouth associated gas |
| 02/26/2014 | CN203452765U Oil-water separating device |
| 02/26/2014 | CN203452764U Protection sleeve tube sand blower and oil field fracturing equipment |
| 02/26/2014 | CN203452763U Intelligent sliding sleeve for infinite staged improvement in horizontal well |
| 02/26/2014 | CN203452762U Self-detaching gas lift production increasing device |
| 02/26/2014 | CN203452761U Thermal collecting compensating sealing tubular column |
| 02/26/2014 | CN203452760U Steam injection sealing inserting tube |
| 02/26/2014 | CN203452759U Parallel double-pipe steam injection well mouth device |
| 02/26/2014 | CN203452758U ASP flooding multi-layered double-layered tube eccentric separate injection device for separate injection well |
| 02/26/2014 | CN203452757U Differential pressure polymer injection device for polymer injection station |
| 02/26/2014 | CN203452756U Simple two-stage filter for separate injection well head |
| 02/26/2014 | CN203452755U Thermal energy heavy oil viscosity reduction device |
| 02/26/2014 | CN203452754U Supercharging device for natural gas well small in air amount and low in yield |
| 02/26/2014 | CN203452753U Baffling type bottom-hole regulator |
| 02/26/2014 | CN203452752U Inter-stage isolation device applied to multi-stage ignition perforation |
| 02/26/2014 | CN203452751U Side wiring device applied to multi-stage ignition perforation |
| 02/26/2014 | CN203452750U Intermediate joint device for multi-stage ignition perforation |
| 02/26/2014 | CN203452749U Hydraulic anti-falling type expansion pipe input device |
| 02/26/2014 | CN203452748U Drillable composite sieve tube |
| 02/26/2014 | CN203452747U Self-cleaning pipe device preventing sand |
| 02/26/2014 | CN203452746U Coal bed gas acquisition device |
| 02/26/2014 | CN203452745U Shifter for sliding type pumping unit |
| 02/26/2014 | CN203452744U Automatic recovery device for oil well low-pressure casing gas |
| 02/26/2014 | CN203452743U Slidable motor belt tensioner panel unit |
| 02/26/2014 | CN203452742U Integrated device of continuous oil pipe and sand prevention throttler |
| 02/26/2014 | CN203452741U Self-expansion continuous airlift overall sealing plunger |
| 02/26/2014 | CN203452740U Efficient oil extraction machine |
| 02/26/2014 | CN203452739U Residue force high-efficiency oil extraction machine |
| 02/26/2014 | CN203452738U Tower upper-platform head sheave moving device |
| 02/26/2014 | CN203452737U Windshield of belt oil pumping unit |
| 02/26/2014 | CN203452734U Integrated production and wax removing and prevention pipe column for high-pressure gas well |
| 02/26/2014 | CN203452722U ASP flooding double-layered tube packer |
| 02/26/2014 | CN203452693U Environment-friendly gas exhaust device capable of exhausting gas and cyclically injecting water |
| 02/26/2014 | CN203452662U Horizontal well water exploration tubular column adopting segmented setting type well mouth flow method |