| 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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| 03/17/2011 | US20110061858 Method for growing and metabolizing microbes |
| 03/17/2011 | US20110061855 Electric or natural gas fired small footprint fracturing fluid blending and pumping equipment |
| 03/17/2011 | US20110061295 Sustainable economic development through integrated production of renewable energy, materials resources, and nutrient regimes |
| 03/17/2011 | DE202010012866U1 Notverschluss bei einer neuen Öl-/Gasbohrung ohne Zusatzbohrung Emergency seal with a new oil / gas well without additional bore |
| 03/17/2011 | DE202010012864U1 Endgültiger Verschluss einer Öl-/Gasbohrung mit Beibohrung Final closure of an oil / gas well with Beibohrung |
| 03/17/2011 | CA2776145A1 Wireless pipe recovery and perforating system |
| 03/17/2011 | CA2773069A1 Compositions and methods for controlling the stability of ethersulfate surfactants at elevated temperatures |
| 03/17/2011 | CA2773065A1 Process of using hard brine at high alkalinity for enhanced oil recovery (eor) applications |
| 03/16/2011 | EP2295718A2 Stand-alone frac liner system |
| 03/16/2011 | EP2295717A2 Downhole screen assembly |
| 03/16/2011 | EP2295716A2 Downhole swellable screen assembly |
| 03/16/2011 | EP2295715A2 Bottom hole assembly with ported completion and methods of fracturing therewith |
| 03/16/2011 | EP2295712A2 Rotating control device for drilling wells |
| 03/16/2011 | EP2294282A2 Radio and microwave treatment of oil wells |
| 03/16/2011 | EP2294281A1 Methods to stimulate biogenic methane production from hydrocarbon-bearing formation |
| 03/16/2011 | EP2294280A2 Methods for downhole sequestration of carbon dioxide |
| 03/16/2011 | EP2294158A1 Wellbore servicing compositions comprising a density segregation inhibiting composite and methods of making and using same |
| 03/16/2011 | CN201766445U Ratchet-type energy-saving clutch regulator |
| 03/16/2011 | CN201766441U Jackscrew centralizer |
| 03/16/2011 | CN201763310U High efficiency down-hole gas-liquid separation device |
| 03/16/2011 | CN201763309U Horizontal well three-dimensional overlapping well net structure |
| 03/16/2011 | CN201763308U Fishbone well type structure |
| 03/16/2011 | CN201763307U Self-compensation type seal pipe string for injecting the steam into an oil well |
| 03/16/2011 | CN201763306U Oil filed water injection pump station energy conservation system |
| 03/16/2011 | CN201763305U Power saving device for oil field oil pumping machine |
| 03/16/2011 | CN201763304U Apparatus integrated with oil pumping pipe string for preventing filth and sand |
| 03/16/2011 | CN201763303U Solar powered online leveling device of oil extractor |
| 03/16/2011 | CN201763302U Auxiliary circulating and chip-returning device of discharge and mining vertical well used during radial hydraulic jetting of coal bed methane well |
| 03/16/2011 | CN201763301U Air-balancing assembly of air-balancing pumping unit |
| 03/16/2011 | CN201763300U Pumping assistor of beam-pumping unit |
| 03/16/2011 | CN201763299U Control system of non-beam coal bed gas pumping machine |
| 03/16/2011 | CN201763296U Sleeve gas constant pressure throttling discharge device |
| 03/16/2011 | CN201763275U Deviation adjusting beam hanger of pumping unit |
| 03/16/2011 | CN201763270U Oil extraction well outlet pipeline with heat insulating device |
| 03/16/2011 | CN201763268U Flexible telescopic device |
| 03/16/2011 | CN101985875A Hydraulic pulse-assisted reservoir chemical remedial treatment experiment device and method |
| 03/16/2011 | CN101509368B Underground coal gasification multi-combining production system and method |
| 03/16/2011 | CN101509100B Oil field perforating bullet body powder metallurgy material and perforating bullet body manufacturing method |
| 03/16/2011 | CN101250984B Well-washing sand prevention integrated technique tubular pile |
| 03/16/2011 | CA2714802A1 Method for treating subterranean formation with degradable material |
| 03/15/2011 | US7906463 Biocide for well stimulation and treatment fluids |
| 03/15/2011 | US7906462 Mutual solvent system and method for improved oil and gas permeability in high temperature formations |
| 03/15/2011 | US7906461 Thermally stable compositions and use thereof in drilling fluids |
| 03/15/2011 | US7906003 Subsea production system |
| 03/15/2011 | US7905290 Device for the thermal stimulation of gas hydrate formations |
| 03/15/2011 | US7905288 Olefin metathesis for kerogen upgrading |
| 03/15/2011 | US7905287 Methods of using a polymeric precipitate to reduce the loss of fluid to a subterranean formation |
| 03/15/2011 | US7905286 Method and apparatus for sealing a hole made with a cased hole formation tester |
| 03/15/2011 | US7905285 Method and apparatus for perforating a casing and producing hydrocarbons |
| 03/15/2011 | US7905284 Fracturing/gravel packing tool system with dual flow capabilities |
| 03/15/2011 | US7905283 Process for removing silica in heavy oil recovery |
| 03/15/2011 | CA2686310C Monitoring pump efficiency |
| 03/15/2011 | CA2642242C Methods of cleaning sand control screens and gravel packs |
| 03/15/2011 | CA2618181C Downhole steam injection splitter |
| 03/15/2011 | CA2588366C Selective electromagnetic production tool |
| 03/15/2011 | CA2463112C In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well |
| 03/15/2011 | CA2462805C Forming openings in a hydrocarbon containing formation using magnetic tracking |
| 03/15/2011 | CA2445173C In situ recovery from a tar sands formation |
| 03/15/2011 | CA2441537C Mitigating risk by using fracture mapping to alter formation fracturing process |
| 03/11/2011 | CA2678348A1 Reduction of fluid loss from operating chambers in steam assisted gravity drainage to increase in situ hydrocarbon recovery |
| 03/10/2011 | WO2011028930A2 Di-functional surfactants for enhanced oil recovery |
| 03/10/2011 | WO2011028676A2 Flow rate dependent flow control device |
| 03/10/2011 | WO2011028563A2 Multi-acting circulation valve |
| 03/10/2011 | WO2011028562A2 Isolation valve for subterranean use |
| 03/10/2011 | WO2011028560A2 Fracturing and gravel packing tool with multi-position lockable sliding sleeve |
| 03/10/2011 | WO2011028559A2 Fracturing and gravel packing tool with upper annulus isolation in a reverse position without closing a wash pipe valve |
| 03/10/2011 | WO2011028558A2 Fracturing and gravel packing tool with anti-swabbing feature |
| 03/10/2011 | WO2011028448A2 Debris catcher with retention within screen |
| 03/10/2011 | WO2011028432A2 Flexible catenary riser having distributed sag bend ballast |
| 03/10/2011 | WO2011028364A2 Apparatus and method for performing an intervention in a riser |
| 03/10/2011 | WO2011028322A1 Low emission power generation and hydrocarbon recovery systems and methods |
| 03/10/2011 | WO2011027100A2 Improved methods of fluid placement and diversion in subterranean formations |
| 03/10/2011 | WO2011026308A1 Pumping unit with multistage unloading device and self orotection mechanism |
| 03/10/2011 | WO2011026232A1 Well service compositions and methods |
| 03/10/2011 | WO2011026226A1 Process and apparatus for enhancing recovery of hydrocarbons from wells |
| 03/10/2011 | WO2010141408A3 No-go tag systems and methods for progressive cavity pumps |
| 03/10/2011 | WO2010141196A3 Permeability flow balancing within integral screen joints |
| 03/10/2011 | WO2010129831A3 Gravel pack carrier fluids |
| 03/10/2011 | WO2010072751A3 Expanding a tubular element in a wellbore |
| 03/10/2011 | WO2010009397A3 Adapter for shaper charge casing |
| 03/10/2011 | WO2009114146A3 In-situ low-temperature hydrocarbon recovery from tar sands |
| 03/10/2011 | WO2006113775A8 Compliant cladding seal/hanger |
| 03/10/2011 | US20110056704 Method and device for casing a bored well portion |
| 03/10/2011 | US20110056700 System and method for recompletion of old wells |
| 03/10/2011 | US20110056699 Multiple electric submersible pump system |
| 03/10/2011 | US20110056698 Fluid separation system for hydrocarbon wells |
| 03/10/2011 | US20110056693 Composition and Method for Inhibiting the Deleterious Effects of Sulfate Reducing Bacteria |
| 03/10/2011 | US20110056692 System for completing multiple well intervals |
| 03/10/2011 | US20110056691 Scintered powder metal shaped charges |
| 03/10/2011 | US20110056689 Methods for treating hydrocarbon-bearing formations having brine |
| 03/10/2011 | US20110056688 Device and system for well completion and control and method for completing and controlling a well |
| 03/10/2011 | US20110056687 Proppant for use in a subterranean formation |
| 03/10/2011 | US20110056686 Flow Rate Dependent Flow Control Device |
| 03/10/2011 | US20110056684 Degradable fiber systems for stimulation |
| 03/10/2011 | US20110056683 Wellbore fluid comprising a base fluid and a particulate bridging agent |
| 03/10/2011 | US20110056682 Thermal Insulating Packer Fluid |
| 03/10/2011 | US20110056679 System and method for controlling actuation of downhole tools |
| 03/10/2011 | US20110056362 Energetic material applications in shaped charges for perforation operations |
| 03/10/2011 | DE102009005514B4 Vorrichtung für eine Rohrtour eines geologischen Bohrlochs, Rohrtour, Verfahren zum Betreiben einer geologischen Bohranlage sowie Verfahren zum Herstellen einer Rohrtour für ein geologisches Bohrloch Device for a pipe string of a geological borehole casing string, method of operating a geological drilling rig and method for manufacturing a pipe string for a geological borehole |
| 03/10/2011 | CA2773056A1 Process and apparatus for enhancing recovery of hydrocarbons from wells |