| 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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| 09/11/2013 | CN203188978U Movable balancing adjusting platform for beam-pumping unit |
| 09/11/2013 | CN203188977U Torque varying starting operation device of pumping unit |
| 09/11/2013 | CN203188976U Anti-dropping device for pumping unit balance block |
| 09/11/2013 | CN203188975U Remote control automatic leveling system of pumping unit |
| 09/11/2013 | CN203188972U Combination valve for water injecting pipeline |
| 09/11/2013 | CN103299031A Multi-stage fracture injection process for enhanced resource production from shales |
| 09/11/2013 | CN103299030A Combined fracturing outlet and production port for a tubular string |
| 09/11/2013 | CN103299029A Artificial lift tool |
| 09/11/2013 | CN103299028A Tools and methods for use in completion of a wellbore |
| 09/11/2013 | CN103291605A Efficient protective oil pumping device and application method |
| 09/11/2013 | CN103291273A Multi-stage filter for oil wells |
| 09/11/2013 | CN103291272A Supporting agent laying controlling system and method based on magnetic supporting agent |
| 09/11/2013 | CN103291271A Fracturing slide sleeve capable of being opened and closed for many times |
| 09/11/2013 | CN103291270A Jetting and fracturing pipe column and jetting and fracturing process |
| 09/11/2013 | CN103291269A Diesel type composite heat carrier generator system |
| 09/11/2013 | CN103291268A Gas combined heat carrier generator system |
| 09/11/2013 | CN103291267A Method for improving oil well yields by means of oil pool indigenous microorganisms |
| 09/11/2013 | CN103291266A Automatic chemical feeding device and method in foam-drainage gas recovery well |
| 09/11/2013 | CN103291265A Method for judging full profile control degree of water injection well |
| 09/11/2013 | CN103291264A Safety stripping device of in-well pipe string |
| 09/11/2013 | CN103291263A Method and device for hollow water-distribution flow adjusting |
| 09/11/2013 | CN103291262A Method and device for hollow water injecting |
| 09/11/2013 | CN103291261A Through tubing perforating bullet case and through tubing perforating bullet |
| 09/11/2013 | CN103291260A Novel hydraulic jetting device |
| 09/11/2013 | CN103291259A Novel petroleum filter screen pipe |
| 09/11/2013 | CN103291258A Novel stepped filter oil pipe |
| 09/11/2013 | CN103291257A Novel hermetic petroleum filter unit |
| 09/11/2013 | CN103291256A Double-pipe petroleum screen |
| 09/11/2013 | CN103291255A Packing device for cased hole gravel packing of horizontal well |
| 09/11/2013 | CN103291254A Horizontal socket-type connector for deepwater manifolds |
| 09/11/2013 | CN103291253A Seabed natural gas hydrate collecting method and system |
| 09/11/2013 | CN103291252A Pressure cover for underwater manifold socket-type connector |
| 09/11/2013 | CN103291251A Coal reservoir fracture gas and water conductivity dynamic change simulation testing device |
| 09/11/2013 | CN103291250A Anti-stuck barrel oil pump |
| 09/11/2013 | CN103291249A Method and device for achieving complete balance of pumping unit |
| 09/11/2013 | CN103291248A Tower-type single-well/double-well adjustable balance pumping unit with adjustable support arms |
| 09/11/2013 | CN103291247A Vertical hydraulic pumping unit |
| 09/11/2013 | CN103291244A Method for compensating thermal energy of horizontal well mining heavy oil reservoirs in large power and subsection mode in pit |
| 09/11/2013 | CN103291230A Method and device for grabbing and releasing multiple water nozzles in underground environment |
| 09/11/2013 | CN103290325A Perforating charge body powder metallurgy billet and cold extrusion forming process method |
| 09/11/2013 | CN103289665A Oil displacement composition, multi-element thermal fluid oil displacement composition containing same and displacement method |
| 09/11/2013 | CN102407064B Double-throat-type gas supersonic velocity cyclone separating device |
| 09/11/2013 | CN102407063B Tangential-inlet-type gas supersonic velocity cyclone separating device |
| 09/11/2013 | CN102352768B Gas drainage method and equipment with alternative drainage |
| 09/11/2013 | CN102037096B Mutual solvent-soluble and/or alcohol blends-soluble particles for viscoelastic surfactant fluids |
| 09/11/2013 | CN101952544B Method of hydraulic fracturing of horizontal wells, resulting in increased production |
| 09/10/2013 | US8530393 Methods to characterize fracture plugging efficiency for drilling fluids |
| 09/10/2013 | US8529772 Method and apparatus for fluid separation |
| 09/10/2013 | US8529756 Separating sand from fluids produced by a well |
| 09/10/2013 | US8528989 Method for simultaneously mining vertically disposed beds |
| 09/10/2013 | US8528648 Flow control system for removing liquid from a well |
| 09/10/2013 | US8528645 Systems and methods for producing oil and/or gas |
| 09/10/2013 | US8528644 Apparatus and method for milling casing in jet drilling applications for hydrocarbon production |
| 09/10/2013 | US8528643 Wellbore laser operations |
| 09/10/2013 | US8528642 Well completion for viscous oil recovery |
| 09/10/2013 | US8528641 Fracturing and gravel packing tool with anti-swabbing feature |
| 09/10/2013 | US8528640 Wellbore flow control devices using filter media containing particulate additives in a foam material |
| 09/10/2013 | US8528639 Method for accelerating start-up for steam-assisted gravity drainage (SAGD) operations |
| 09/10/2013 | US8528638 Single well dual/multiple horizontal fracture stimulation for oil production |
| 09/10/2013 | US8528634 Method of improving oil recovery from an oil reservoir using an enriched anaerobic steady state microbial consortium |
| 09/10/2013 | US8528632 Packer deployment with electric submersible pump with optional retention of the packer after pump removal |
| 09/10/2013 | US8528395 Monitoring fluid pressure in a well and retrievable pressure sensor assembly for use in the method |
| 09/10/2013 | CA2739580C Making proppant used in gas or oil extraction |
| 09/10/2013 | CA2706382C Systems and methods for low emission hydrocarbon recovery |
| 09/10/2013 | CA2676673C Method and apparatus for obtaining heavy oil samples from a reservoir sample |
| 09/10/2013 | CA2645703E Passive heating assisted recovery methods |
| 09/08/2013 | CA2808468A1 Selective fracturing system |
| 09/08/2013 | CA2770811A1 Heat energy extraction system from underground in situ combustion of hydrocarbon reservoirs |
| 09/07/2013 | CA2807016A1 Bottomhole assembly for capillary injection system |
| 09/06/2013 | WO2013130908A1 Well fluid extraction jet pump providing access through and below packer |
| 09/06/2013 | WO2013130884A1 System and method for inhibiting scale formation in oil wells |
| 09/06/2013 | WO2013130856A1 Systems and methods for pressure boosting of liquids of a hydrocarbon gas-liquid separator using one or more pumps on seabed |
| 09/06/2013 | WO2013130530A1 Apparatus including load driven by a motor coupled to an alternator |
| 09/06/2013 | WO2013130491A2 Fluid injection in light tight oil reservoirs |
| 09/06/2013 | WO2013130447A1 Master plan for dynamic phase machine automation system |
| 09/06/2013 | WO2013130444A1 Automated survey acceptance in dynamic phase machine automation system |
| 09/06/2013 | WO2013130442A1 Agent registration in dynamic phase machine automation system |
| 09/06/2013 | WO2013130440A1 Dynamic phase machine automation of oil & gas processes |
| 09/06/2013 | WO2013130361A1 In situ heat generation |
| 09/06/2013 | WO2013130272A1 Adjustable flow control device |
| 09/06/2013 | WO2013130269A1 Rotating and translating shunt tube assembly |
| 09/06/2013 | WO2013130166A1 A structure for gunpowder charge in multi-frac composite perforating devices |
| 09/06/2013 | WO2013130096A1 Downhole fluid flow control system having pressure sensitive autonomous operation |
| 09/06/2013 | WO2013130092A1 Perforating apparatus and method having internal load path |
| 09/06/2013 | WO2013130091A1 Subsurface well systems with multiple drain wells extending from a production well and methods for use thereof |
| 09/06/2013 | WO2013130057A1 Downhole fluid flow control system and method having a fluidic module with a flow control turbine |
| 09/06/2013 | WO2013065032A8 Method for extracting individual components from a gas mixture and device for the implementation thereof |
| 09/06/2013 | WO2012112983A3 Apparatus and methods for well completion design to avoid erosion and high friction loss for power cable deployed electric submersible pump systems |
| 09/06/2013 | CA2856828A1 Downhole fluid flow control system having pressure sensitive autonomous operation |
| 09/05/2013 | US20130231901 Well pad placement |
| 09/05/2013 | US20130228344 Apparatus and methods of running an expandable liner |
| 09/05/2013 | US20130228337 Fluid injection in light tight oil reservoirs |
| 09/05/2013 | US20130228335 Methods, Systems, and Compositions for the Controlled Crosslinking of Well Servicing Fluids |
| 09/05/2013 | US20130228334 Method and composition to reduce gel viscosity in the intermediate temperature range |
| 09/05/2013 | US20130228333 Wellbore Servicing Compositions and Methods of Making and Using Same |
| 09/05/2013 | US20130228332 Derivatives of tris(2-hydroxyphenyl)methanes, preparation thereof and use thereof for mineral oil production |
| 09/05/2013 | US20130228331 Method For Using Electrocoagulation in Hydraulic Fracturing |
| 09/05/2013 | US20130228330 Methods of fracturing with and processing lpg based treatment fluids |
| 09/05/2013 | US20130228329 Oil Thinning Compositions And Retrieval Methods |
| 09/05/2013 | US20130228328 Agent registration in dynamic phase machine automation system |