| 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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| 07/31/2013 | CN101761326B Experimental device for carbon dioxide replacement exploitation of gas hydrate |
| 07/31/2013 | CN101675143B Control of particulate entrainment by fluids |
| 07/31/2013 | CN101538998B Improved automatic control hydraulic drive oil pumping machine |
| 07/31/2013 | CN101432502B Systems and methods for producing oil and/or gas |
| 07/31/2013 | CN101171306B Method for making transportable aqueous slurries by particulate hydrophobicization |
| 07/30/2013 | US8496066 Methods for increasing oil production |
| 07/30/2013 | US8496062 Goat head type injection block for fracturing trees in oilfield applications |
| 07/30/2013 | US8496061 VDA/acid system for matrix acid stimulation |
| 07/30/2013 | US8496060 Method for sequestering carbon dioxide in geological formations |
| 07/30/2013 | US8496059 Controlling flow of steam into and/or out of a wellbore |
| 07/30/2013 | US8496057 Proppant, a method for production thereof and formation hydraulic fracturing method using the produced proppant |
| 07/30/2013 | US8496056 System and method for low damage fracturing |
| 07/30/2013 | US8496055 Efficient single trip gravel pack service tool |
| 07/30/2013 | US8496050 Arrangement used in oil field wells for lifting hydrocarbons |
| 07/30/2013 | CA2804833A1 System and method for performing optimized downhole stimulation operations |
| 07/30/2013 | CA2694151C Treatment fluids comprising clarified xanthan and associated methods |
| 07/30/2013 | CA2641727C Direct combustion steam generator |
| 07/30/2013 | CA2570058C Closed loop control system for controlling production of hydrocarbon fluid from an underground formation |
| 07/30/2013 | CA2445126C Expandable systems that facilitate desired fluid flow |
| 07/27/2013 | CA2803212A1 Series configured variable flow restrictors for use in a subterranean well |
| 07/25/2013 | WO2013109985A1 System and method for enhanced wellbore perforations |
| 07/25/2013 | WO2013109638A1 A method for accelerating heavy oil production |
| 07/25/2013 | WO2013109636A1 Hydraulic shock absorber for sliding sleeves |
| 07/25/2013 | WO2013109584A1 Completions fluid loss control system |
| 07/25/2013 | WO2013109539A2 Well completion apparatus, system and method |
| 07/25/2013 | WO2013109468A2 Compositions useful for the hydrolysis of guar in high ph environments and methods related thereto |
| 07/25/2013 | WO2013109430A1 Apparatus and methods for determining commingling compatibility of fluids from different formation zones |
| 07/25/2013 | WO2013109408A1 Non-ballistic tubular perforating system and method |
| 07/25/2013 | WO2013109331A1 Offshore heavy oil production |
| 07/25/2013 | WO2013074179A3 Perforating stimulation bullet |
| 07/25/2013 | WO2013009628A3 Compound angle wedge screen clamp for vibratory separator |
| 07/25/2013 | WO2012152285A3 Enzyme enhanced oil recovery |
| 07/25/2013 | US20130186647 Tubular anchoring system and method |
| 07/25/2013 | US20130186638 Linear electric motor for artificial lift system |
| 07/25/2013 | US20130186634 Downhole Fluid Flow Control System Having a Fluidic Module with a Bridge Network and Method for Use of Same |
| 07/25/2013 | US20130186631 System and method for treatment of well completion equipment |
| 07/25/2013 | US20130186630 Low residue formation fracturing |
| 07/25/2013 | US20130186629 Asphaltene Inhibitors for Squeeze Applications |
| 07/25/2013 | US20130186627 Additives for improving hydrocarbon recovery |
| 07/25/2013 | US20130186625 Refracturing Method for Plug and Perforate Wells |
| 07/25/2013 | US20130186624 Manufacture of polymer coated proppants |
| 07/25/2013 | US20130186623 Steam splitter |
| 07/25/2013 | US20130186622 Backflow collection system and method for reclaiming the same |
| 07/25/2013 | US20130186618 Method and device for zonal isolation and management of recovery of horizontal well drained reserves |
| 07/25/2013 | US20130185940 Manufacturing of sand screens |
| 07/25/2013 | CA2861344A1 Completions fluid loss control system |
| 07/25/2013 | CA2828848A1 Steam splitter |
| 07/25/2013 | CA2803562A1 System and method of capturing, processing and utilizing stranded natural gas |
| 07/25/2013 | CA2803328A1 Method and apparatus for single-trip time progressive wellbore treatment |
| 07/25/2013 | CA2765812A1 Steam splitter |
| 07/24/2013 | EP2616688A1 Systems and methods for routing pressurized fluid |
| 07/24/2013 | EP2616636A1 Pump down liner expansion method |
| 07/24/2013 | EP2616635A2 Aqueous foaming compositions with high tolerance to hydrocarbons |
| 07/24/2013 | EP2616628A2 Return fluid separator |
| 07/24/2013 | EP2616625A2 Downhole tools |
| 07/24/2013 | CN203081658U Tower of wind-driven oil pumping system |
| 07/24/2013 | CN203081610U Combined cooling heating and power supplying system of oil and gas field combination station |
| 07/24/2013 | CN203081421U Dynamic lifting device of horizontal well logging |
| 07/24/2013 | CN203081419U Oil well three-phase separator |
| 07/24/2013 | CN203081418U Swelling friction type flying stopping device |
| 07/24/2013 | CN203081417U Multifunctional integrated gas lift technique pipe column |
| 07/24/2013 | CN203081416U Comprehensive petroleum reservoir exploitation simulation system |
| 07/24/2013 | CN203081415U Vehicle-mounted thick oil shaft thermal cycle catalysis viscosity reduction integrated device |
| 07/24/2013 | CN203081414U Ultralow shear polymer demand regulator for alkaline-surfactant-polymer (ASP) flooding |
| 07/24/2013 | CN203081413U Water quantity adjustment device with magnetic location function |
| 07/24/2013 | CN203081412U Device capable of increasing coal seam permeability |
| 07/24/2013 | CN203081411U Antiseptic, anti-scale and gas-lift integral completion pipe string |
| 07/24/2013 | CN203081410U Adjustable multiple-diameter oil nozzle |
| 07/24/2013 | CN203081409U Auto-control oil well casing gas recovery device |
| 07/24/2013 | CN203081408U Novel load shedding device structure |
| 07/24/2013 | CN203081407U Gas production tree of gas well |
| 07/24/2013 | CN203081320U Adjusting lead screw |
| 07/24/2013 | CN203080903U Telescopic guardrail support |
| 07/24/2013 | CN203079727U Membrane device for treating oilfield produced water to be applied to reinjection |
| 07/24/2013 | CN103221757A Oilfield application of solar energy collection |
| 07/24/2013 | CN103221632A Method of using carbon dioxide in recovery of formation deposits |
| 07/24/2013 | CN103216607A Differential belt wheel device for oil field, application method and oil sucking machine |
| 07/24/2013 | CN103216428A Oil well sleeve gas collection pump |
| 07/24/2013 | CN103216234A Horizontal branch multi-well-group butted well and construction method thereof |
| 07/24/2013 | CN103216222A High temperature and high pressure visual device for simulating microorganism oil displacement and simulating method thereof |
| 07/24/2013 | CN103216219A Method for extracting natural gas hydrate through CO2/N2 underground replacement |
| 07/24/2013 | CN103216218A Spoke type electrical heating oil layer oil displacing method |
| 07/24/2013 | CN103216217A Float-type flow stabilizer |
| 07/24/2013 | CN103216216A Novel vertical mechanical reversing energy-saving pumping unit |
| 07/24/2013 | CN103216215A Intelligent control system of pumping unit |
| 07/24/2013 | CN103216214A Oil well chemical dosing device |
| 07/24/2013 | CN103216211A Method for carrying out profile control on fracture-type oil reservoir |
| 07/24/2013 | CN103215028A Full-suspension fracturing fluid and fracturing construction method |
| 07/24/2013 | CN102031947B Back wash pump negative-pressure oil extraction device |
| 07/24/2013 | CN101534925B Process for obtaining carbon dioxide |
| 07/24/2013 | CN101523012B Sub sea processing system |
| 07/24/2013 | CN101107420B Temperature limited heaters used to heat subsurface formations |
| 07/23/2013 | US8490704 Technique of fracturing with selective stream injection |
| 07/23/2013 | US8490702 Downhole tool assembly with debris relief, and method for using same |
| 07/23/2013 | US8490700 Heterogeneous proppant placement in a fracture with removable channelant fill |
| 07/23/2013 | US8490699 High solids content slurry methods |
| 07/23/2013 | US8490698 High solids content methods and slurries |
| 07/23/2013 | US8490697 Gravel pack completions in lateral wellbores of oil and gas wells |
| 07/23/2013 | US8490696 Method and apparatus to enhance oil recovery in wells |
| 07/23/2013 | US8490695 Method for drilling and fracture treating multiple wellbores |