| 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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| 01/15/2013 | CA2600602C Annulus pressure control drilling systems and methods |
| 01/14/2013 | CA2758782A1 Fluid treatment systems, compositions and methods for metal ion stabilization in aqueous solutions and/or enhanced fluid performance |
| 01/13/2013 | CA2782308A1 Sagdox geometry |
| 01/10/2013 | WO2013006660A2 Method for hydrocarbon recovery using sagd and infill wells with rf heating |
| 01/10/2013 | WO2013005082A1 Device and method for enhancing oil production by generating shock waves |
| 01/10/2013 | WO2013004610A1 Method and system of radially expanding a tubular element in a wellbore |
| 01/10/2013 | WO2013004609A1 System and method for injecting a treatment fluid into a wellbore and a treatment fluid injection valve |
| 01/10/2013 | WO2013003958A1 Jet pump data tool system |
| 01/10/2013 | WO2012158370A3 Tubular cutting with debris filtration |
| 01/10/2013 | WO2012155045A3 Destructible containers for downhole material and chemical delivery |
| 01/10/2013 | WO2012155018A3 Downhole refrigeration using an expendable refrigerant |
| 01/10/2013 | WO2012145506A3 Tubular actuating system and method |
| 01/10/2013 | WO2012141983A3 Above ground fluid storage system |
| 01/10/2013 | WO2012138485A3 Method and compositions for enhanced oil recovery |
| 01/10/2013 | US20130008663 Offshore heavy oil production |
| 01/10/2013 | US20130008660 In situ recovery from a hydrocarbon containing formation |
| 01/10/2013 | US20130008659 Wellbore laser operations |
| 01/10/2013 | US20130008658 Wellbore laser operations |
| 01/10/2013 | US20130008657 Wellbore laser operations |
| 01/10/2013 | US20130008656 Wellbore laser operations |
| 01/10/2013 | US20130008655 Perforating Gun Assembly and Method for Controlling Wellbore Pressure Regimes During Perforating |
| 01/10/2013 | US20130008652 Gravel Pack and Sand Disposal Device |
| 01/10/2013 | US20130008651 Method for hydrocarbon recovery using sagd and infill wells with rf heating |
| 01/10/2013 | US20130008650 Electromagnetic depth/orientation detection tool and methods thereof |
| 01/10/2013 | US20130008646 Depth/orientation detection tool and methods thereof |
| 01/10/2013 | US20130008645 Intelligent Well System And Method |
| 01/10/2013 | US20130008639 Electromechanical assembly for connecting a series of perforating guns for oil and gas wells |
| 01/10/2013 | CA2877194A1 Jet pump data tool system |
| 01/10/2013 | CA2841792A1 Method for hydrocarbon recovery using sagd and infill wells with rf heating |
| 01/10/2013 | CA2840716A1 System and method for injecting a treatment fluid into a wellbore and a treatment fluid injection valve |
| 01/09/2013 | EP2543812A1 Downhole hydraulic pump |
| 01/09/2013 | EP2543104A2 Fuel cells |
| 01/09/2013 | EP2542759A1 Colloidal-crystal quantum dots as tracers in underground formations |
| 01/09/2013 | EP2542758A2 Fracturing a stress-altered subterranean formation |
| 01/09/2013 | EP2542332A2 Bubbles generation device and method |
| 01/09/2013 | CN202662109U Novel anti-theft alarm for brake pad of pumping unit |
| 01/09/2013 | CN202661796U Intelligent multifunctional pumping unit controller |
| 01/09/2013 | CN202659867U Rain-proof safety shield for belt of oil pumping unit |
| 01/09/2013 | CN202659825U Automatic gravity tensioning device for belt transmission |
| 01/09/2013 | CN202659226U Working support barrel for perforation pressure gauge |
| 01/09/2013 | CN202659222U Twice-separation gas anchor |
| 01/09/2013 | CN202659221U Horizontal well fracturing string |
| 01/09/2013 | CN202659220U Oil sand burning fuel scavenging device |
| 01/09/2013 | CN202659219U Oil pump of alkaline-surfactant-polymer flooding intelligent bailing oil pumping machine |
| 01/09/2013 | CN202659218U Oil lubrication oil-pumping device |
| 01/09/2013 | CN202659217U Automatic regulating apparatus for positions of petroleum pumping unit balance block |
| 01/09/2013 | CN202659216U Remote intelligent production and testing device for oilfield well |
| 01/09/2013 | CN202659215U Oil pumping unit for offshore oil production platform cluster well |
| 01/09/2013 | CN202659198U Fracturing wellhead device |
| 01/09/2013 | CN202659163U Well completion well bore structure of single-inner diameter multilevel casing pipe |
| 01/09/2013 | CN102869747A Method of fluid slug consolidation within fluid system in downhole applications |
| 01/09/2013 | CN102865061A Honeycomb type paving method of propping agent and application thereof |
| 01/09/2013 | CN102865060A Determining method of amount of shale oil deposit hydrofracture propping agent |
| 01/09/2013 | CN102865059A Method and device for predicting capacity of fissure-hole type oil deposit |
| 01/09/2013 | CN102865058A Multi-pulse synergistic perforation device |
| 01/09/2013 | CN102865057A Folded sand control screen pipe |
| 01/09/2013 | CN102865056A Roller and compression roller type oil pumping device with non-metallic counterweight box |
| 01/09/2013 | CN102865055A Underground linear pumping unit |
| 01/09/2013 | CN102865054A Vertical pumping unit moving mechanism for well repair |
| 01/09/2013 | CN102865053A Method and device for judging optimal times of stroke of pumping unit |
| 01/09/2013 | CN102865052A Heat preservation method for coupling part of insulated tubing pipe column |
| 01/09/2013 | CN102220123B Oil displacement method for tertiary oil recovery |
| 01/09/2013 | CN102003169B Method for repairing accident well of coal bed methane multi-branch horizontal well |
| 01/09/2013 | CN101994505B Drilling construction method by cooperation of horizontal wells and extraction straight wells for coal bed methane in multiple objective layers |
| 01/09/2013 | CN101936148B Adjustable water nozzle for oilfield water injection and water distributor with same |
| 01/09/2013 | CN101906953B Vertical long ring rack oil pumping unit |
| 01/09/2013 | CN101864932B Large-discharge electric submerged screw pump oil extracting equipment |
| 01/08/2013 | US8347973 Increasing oil production |
| 01/08/2013 | US8347968 Single trip well completion system |
| 01/08/2013 | US8347965 Apparatus and method for creating pressure pulses in a wellbore |
| 01/08/2013 | US8347963 Controlling transient underbalance in a wellbore |
| 01/08/2013 | US8347962 Non frangible perforating gun system |
| 01/08/2013 | US8347960 Method for using electrocoagulation in hydraulic fracturing |
| 01/08/2013 | US8347956 Wellbore method and apparatus for completion, production and injection |
| 01/08/2013 | US8347955 Plunger lift mechanism |
| 01/08/2013 | US8347954 Plunger lift system with seal and ball detent arrangement |
| 01/08/2013 | US8347953 Inline monitoring package for electrical submersible pump |
| 01/08/2013 | CA2783098A1 Electromechanical assembly for connecting a series of perforating guns in oil and gas wells |
| 01/08/2013 | CA2693876C Thrust and intake chamber for pump |
| 01/08/2013 | CA2693261C Injection plane initiation in a well |
| 01/08/2013 | CA2661725C Method and system for accessing subterranean deposits from the surface |
| 01/08/2013 | CA2633204C Method of calculating pump flow rates and an automated pump control system |
| 01/08/2013 | CA2619826C Real time optimization of power in electrical submersible pump variable speed applications |
| 01/08/2013 | CA2605914C Well treatment using a progressive cavity pump |
| 01/08/2013 | CA2531963C A process for enhanced recovery of crude oil from oil wells using novel microbial consortium |
| 01/08/2013 | CA2467381C Mono diameter wellbore casing |
| 01/08/2013 | CA2411819C Communicating with a tool |
| 01/03/2013 | WO2013003672A1 Extraction of oil from oil sand |
| 01/03/2013 | WO2013003367A2 Air-freightable subsea well containment tooling package |
| 01/03/2013 | WO2013003364A2 Air-freightable subsea well containment tooling package |
| 01/03/2013 | WO2013003132A1 Self-diverting emulsified acid systems for high temperature well treatments and their use |
| 01/03/2013 | WO2013003093A1 Recycling co2 in heavy oil or bitumen production |
| 01/03/2013 | WO2013002826A1 Method for removing contaminants from wastewater in hydraulic fracturing process |
| 01/03/2013 | WO2013002755A1 Breaker fluids for wellbore fluids and methods of use |
| 01/03/2013 | WO2013001062A1 Gas lift kickover system |
| 01/03/2013 | WO2012154521A3 Novel quaternary foamers for downhole injection |
| 01/03/2013 | WO2012151036A3 A device for directing the flow of a fluid using a centrifugal switch |
| 01/03/2013 | WO2012127396A3 System for degassing a liquid |
| 01/03/2013 | WO2012100012A3 Combined fracturing outlet and production port for a tubular string |
| 01/03/2013 | WO2012083114A3 Compositions and methods relating to establishing circulation in stand-alone-screens without using washpipes |