| 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) |
|---|
| 04/22/2014 | US8701773 Oilfield application of solar energy collection |
| 04/22/2014 | US8701772 Managing treatment of subterranean zones |
| 04/22/2014 | US8701771 Managing treatment of subterranean zones |
| 04/22/2014 | US8701770 Heated fluid injection using multilateral wells |
| 04/22/2014 | US8701769 Methods for treating hydrocarbon formations based on geology |
| 04/22/2014 | US8701767 Boron shaped charge |
| 04/22/2014 | US8701766 Apparatus and methods for completing subterranean wells |
| 04/22/2014 | US8701765 Shunt isolation valve |
| 04/22/2014 | US8701764 Oil sand production without CO2 emission |
| 04/22/2014 | US8701763 Methods for treating hydrocarbon-bearing formations having brine |
| 04/22/2014 | US8701760 Electromagnetic heat treatment providing enhanced oil recovery |
| 04/22/2014 | US8701758 Well screen |
| 04/22/2014 | US8701755 Apparatus and method for pumping well fluids and debris |
| 04/22/2014 | CA2802263C Method of increasing efficiency of a y strainer and a y strainer |
| 04/22/2014 | CA2752864C Sealing body for well perforation operations |
| 04/22/2014 | CA2752535C Temperature triggered actuator |
| 04/22/2014 | CA2712069C Apparatus, assembly and process for injecting fluid into a subterranean well |
| 04/22/2014 | CA2707923C Remote-controlled gravel pack crossover tool utilizing wired drillpipe communication and telemetry |
| 04/22/2014 | CA2679258C System and method for multiple volume segmentation |
| 04/22/2014 | CA2671353C A motor direct drive rod ground screw pump device |
| 04/22/2014 | CA2620734C Method of producing a hydrocarbon stream from a subterranean zone |
| 04/17/2014 | WO2014059167A1 Methods of preventing emulsification of crude oil in well bore treatment fluids |
| 04/17/2014 | WO2014058777A1 Method for heating a subterranean formation penetrated by a wellbore |
| 04/17/2014 | WO2014058626A1 Flow restrictor for a service tool |
| 04/17/2014 | WO2014058553A1 Nanoparticle modified fluids and methods of manufacture thereof |
| 04/17/2014 | WO2014058548A1 Multi-zone fracturing and sand control completion system and method thereof |
| 04/17/2014 | WO2014058480A1 Multiphase separation system |
| 04/17/2014 | WO2014058428A1 Method and apparatus for mixing fluid flow in a wellbore using a static mixer |
| 04/17/2014 | WO2014058426A1 System for operating a hydraulically powered submersible pump |
| 04/17/2014 | WO2014058425A1 Fracture sensing system and method |
| 04/17/2014 | WO2014056949A2 A method for recovering oil |
| 04/17/2014 | WO2014056948A1 A method for recovering oil |
| 04/17/2014 | WO2014056947A1 Method and device for the recovery of hydrocarbons from an oil reservoir |
| 04/17/2014 | WO2014056946A2 Method and apparatus for producing hydrocarbons from a multilayer system |
| 04/17/2014 | WO2014056890A2 Perforating gun with a holding system for hollow charges for a perforating gun system |
| 04/17/2014 | WO2014056045A1 Hydrocarbon conduit connection |
| 04/17/2014 | WO2014056041A1 A method of increasing permeability of a geological structure |
| 04/17/2014 | WO2014033557A3 Emulsions to enhance microbial activity in a reservoir |
| 04/17/2014 | WO2014015324A4 Self cleaning piezoelectric chemical apparatus and method |
| 04/17/2014 | WO2013177094A3 System and process for extracting oil and gas by hydraulic fracturing |
| 04/17/2014 | WO2013124643A3 Downhole flow control device |
| 04/17/2014 | WO2013121179A3 Downhole electromagnetic pump and methods of use |
| 04/17/2014 | WO2013043489A3 Permeable lost circulation drilling liner |
| 04/17/2014 | US20140102788 Perforating assembly control |
| 04/17/2014 | US20140102719 Rock anchor |
| 04/17/2014 | US20140102716 Multilateral bore junction isolation |
| 04/17/2014 | US20140102710 Multilateral bore junction isolation |
| 04/17/2014 | US20140102709 Tool and Method for Fracturing a Wellbore |
| 04/17/2014 | US20140102708 Selective Fracturing System |
| 04/17/2014 | US20140102707 Crosslinked swellable polymer |
| 04/17/2014 | US20140102702 Produced Sand Gravel Pack Process |
| 04/17/2014 | US20140102701 System and method for enhanced oil recovery with a once-through steam generator |
| 04/17/2014 | US20140102700 Mitigating thief zone losses by thief zone pressure maintenance through downhole radio frequency radiation heating |
| 04/17/2014 | US20140102696 Supported Connection Assembly |
| 04/17/2014 | US20140102693 Situ co-development of oil shale with mineral recovery |
| 04/17/2014 | US20140102692 Method for hydrocarbon recovery using a water changing or driving agent with rf heating |
| 04/17/2014 | CA2829463A1 Produced sand gravel pack process |
| 04/16/2014 | EP2718573A2 Modular anti-torque mechanism |
| 04/16/2014 | EP2718566A2 Cranked rod pump apparatus and method |
| 04/16/2014 | EP2718542A1 Oil containment recovery dome |
| 04/16/2014 | EP2718541A2 Additives for improving hydrocarbon recovery |
| 04/16/2014 | EP2718540A2 Single and multi-chamber wellbore pumps for fluid lifting |
| 04/16/2014 | EP2718539A2 Self clamping shaker screens |
| 04/16/2014 | EP2718538A2 Liner top packer for liner drilling |
| 04/16/2014 | EP2718533A2 Tubular assembly and method of deploying a downhole device using a tubular assembly |
| 04/16/2014 | CN203549818U Combustion cylinder with gas-liquid separation function |
| 04/16/2014 | CN203548640U Surrounding type brake device of pumping unit |
| 04/16/2014 | CN203548095U Energy-consumption-free liquid charge pump for pumping well |
| 04/16/2014 | CN203547733U Oil extraction experiment device capable of simulating reservoir pressure supply |
| 04/16/2014 | CN203547706U Underground parameter monitoring device |
| 04/16/2014 | CN203547700U Erosion-resistant bubble former |
| 04/16/2014 | CN203547699U Fracturing sliding sleeve |
| 04/16/2014 | CN203547698U Sliding sleeve nozzle for open hole fracturing |
| 04/16/2014 | CN203547697U Large-delivery-capacity sand prevention and compression sealing integrated fracturing tool |
| 04/16/2014 | CN203547696U Auxiliary device for heavy oil recovery |
| 04/16/2014 | CN203547695U Gas generating device |
| 04/16/2014 | CN203547694U Steam generator for thickened oil recovery of petroleum |
| 04/16/2014 | CN203547693U Reversed sealing type eccentric water distributor |
| 04/16/2014 | CN203547692U Inserted linkage self-adjusting water distributor |
| 04/16/2014 | CN203547691U Combined layered injection pipe column |
| 04/16/2014 | CN203547690U Impact blaster for oil well perforation |
| 04/16/2014 | CN203547689U Multi-stage cable-conveyed perforation controller |
| 04/16/2014 | CN203547688U Ejecting perforation device |
| 04/16/2014 | CN203547687U Fluid power swelling cone under shaft |
| 04/16/2014 | CN203547686U Integrated sand prevention pipe column |
| 04/16/2014 | CN203547685U Mechanical sand-preventing and water-blocking integral pipe column |
| 04/16/2014 | CN203547684U Auxiliary tool for replacing packing and lifting rope |
| 04/16/2014 | CN203547683U Brake device of oil pumping unit |
| 04/16/2014 | CN203547682U Maintenance device for lifting rope of pumping unit |
| 04/16/2014 | CN203547681U Lubricating device for lifting rope of beam-pumping unit |
| 04/16/2014 | CN203547680U Balance adjusting device for pumping unit |
| 04/16/2014 | CN203547679U Beam-pumping unit |
| 04/16/2014 | CN203547678U Pumping unit base adjusting device |
| 04/16/2014 | CN203547677U Novel beam-pumping unit |
| 04/16/2014 | CN203547676U Integrated tubular column for pilot production |
| 04/16/2014 | CN203547675U High-efficiency oil pumping device |
| 04/16/2014 | CN203547674U Shockproof single-well tower-type oil pumping unit |
| 04/16/2014 | CN203547673U Switched reluctance balance weight adjustable beam-pumping unit |
| 04/16/2014 | CN203547672U Automatic regulating apparatus for motor mechanism of beam-pumping unit |
| 04/16/2014 | CN203547671U Adjusting device for actuating unit of beam-pumping unit |