| 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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| 03/24/2011 | US20110067882 System and Method for Monitoring and Controlling Wellbore Parameters |
| 03/24/2011 | US20110067881 System and method for delivering material to a subsea well |
| 03/24/2011 | US20110067876 Method and apparatus for injecting fluid in a wellbore |
| 03/24/2011 | US20110067875 High Temperature Fracturing Fluids and Methods |
| 03/24/2011 | US20110067874 Method of redistributing well bore fluid |
| 03/24/2011 | US20110067872 Wellbore Flow Control Devices Using Filter Media Containing Particulate Additives in a Foam Material |
| 03/24/2011 | US20110067871 Methods For Regulating Flow In Multi-Zone Intervals |
| 03/24/2011 | US20110067870 Complex fracturing using a straddle packer in a horizontal wellbore |
| 03/24/2011 | US20110067863 Slurry bypass system for improved gravel packing |
| 03/24/2011 | US20110067862 Fracturing and Gravel Packing Tool with Multi Movement Wash Pipe Valve |
| 03/24/2011 | US20110067861 Fracturing and Gravel Packing Tool with Shifting Ability between Squeeze and Circulate while Supporting an Inner String Assembly in a Single Position |
| 03/24/2011 | US20110067858 Fishbone well configuration for in situ combustion |
| 03/24/2011 | US20110067857 Determining properties of a subterranean structure during hydraulic fracturing |
| 03/24/2011 | US20110067856 Microbial enhanced oil recovery methods |
| 03/24/2011 | US20110067854 Downhole sequentially-firing casing perforating gun with electronically-actuated wireline release mechanism, and actuation circuit therefor |
| 03/24/2011 | US20110067399 Geothermal power system |
| 03/24/2011 | CA2774305A1 Offshore casing drilling method |
| 03/24/2011 | CA2773000A1 Method of partially upgrading heavy oil at well-site |
| 03/24/2011 | CA2771404A1 Metal-mediated viscosity reduction of fluids gelled with viscoelastic surfactants |
| 03/24/2011 | CA2770210A1 Controlling coal fines in coal bed operations |
| 03/24/2011 | CA2715236A1 Environmentally friendly composition for slickwater application |
| 03/24/2011 | CA2713703A1 A fishbone well configuration for in situ combustion |
| 03/23/2011 | EP2299053A1 Gravel pack fluid composition and emulsion therefor |
| 03/23/2011 | EP2297428A1 Method of remediating bit balling using oxidizing agents |
| 03/23/2011 | EP2297029A2 A method and apparatus for on-site production of nitrate ions |
| 03/23/2011 | CN201771485U Dryer emptying natural gas recovering device |
| 03/23/2011 | CN201771484U Full-automatic medicament filling machine |
| 03/23/2011 | CN201771483U Metering chemical feeding device |
| 03/23/2011 | CN201771482U Closed tank-free oil-field water injection device |
| 03/23/2011 | CN201771481U Sieve tube water control device |
| 03/23/2011 | CN201771480U Heat-insulating interceptor with forward interception nozzle for oil and gas extraction well |
| 03/23/2011 | CN201771479U Antiscale sand controller |
| 03/23/2011 | CN201771478U Tooth-bar petroleum pumping unit |
| 03/23/2011 | CN201771477U Electric submersible pump production pipe string capable of filtering and discharging sand |
| 03/23/2011 | CN201771476U Upright type long ring rack pumping unit |
| 03/23/2011 | CN201771475U Body adjusting mechanism for upright long-loop rack oil pumping unit |
| 03/23/2011 | CN201771474U Self-balancing double-well oil pumping unit |
| 03/23/2011 | CN201771473U Multi-functional shift unit of oil wells |
| 03/23/2011 | CN201771472U Hydraulic pumping unit |
| 03/23/2011 | CN101988384A Method for in-situ retorting of underground coal bed by utilizing flue gas |
| 03/23/2011 | CN101988383A Method for carrying out in-situ dry distillation on underground coal bed by utilizing flue gas |
| 03/23/2011 | CN101988382A Movable device and method for regulating underground flow direction of gasifying agent |
| 03/23/2011 | CN101988381A Method for removing oil well blockage by using acid forming bacterium |
| 03/23/2011 | CN101988380A Method for constructing oil reservoir oil displacement microbial community to improve crude oil recovery ratio |
| 03/23/2011 | CN101988379A Backflow-resistant device of eccentric water distributor |
| 03/23/2011 | CN101988378A Horse-head auto-abdication device for pumping unit |
| 03/23/2011 | CN101988372A Processing technology for manufacturing insulated tubing |
| 03/23/2011 | CN101649828B Advanced ceramic pipe type defueling pump |
| 03/23/2011 | CN101403314B Coal mine down-hole drilling hydraulic fracturing anti-reflection mash gas extraction technique |
| 03/23/2011 | CN101117956B Anti-scaling, anti-corrosive and sand prevention ceramic oil-well pump and manufacturing method therefor |
| 03/22/2011 | USRE42245 System and method for real time reservoir management |
| 03/22/2011 | US7909589 Downhole pumps with sand snare |
| 03/22/2011 | US7909115 Method for perforating utilizing a shaped charge in acidizing operations |
| 03/22/2011 | US7909110 Anchoring and sealing system for cased hole wells |
| 03/22/2011 | US7909107 High capacity running tool and method of setting a packoff seal |
| 03/22/2011 | US7909101 Apparatus and method for increasing well production |
| 03/22/2011 | US7909099 Well productivity enhancement methods |
| 03/22/2011 | US7909098 Process for recovering heavy oil utilizing one or more membranes |
| 03/22/2011 | US7909097 Well liner segments for in situ petroleum upgrading and recovery, and method of in situ upgrading and recovery |
| 03/22/2011 | US7909096 Method and apparatus of reservoir stimulation while running casing |
| 03/22/2011 | US7909094 Oscillating fluid flow in a wellbore |
| 03/22/2011 | US7909093 In situ combustion as adjacent formation heat source |
| 03/22/2011 | US7909092 Downhole separator |
| 03/22/2011 | US7909090 System, method and apparatus for scale resistant radial bearing for downhole rotating tool components and assemblies |
| 03/22/2011 | US7909089 Downhole jet pump |
| 03/22/2011 | US7909088 Material sensitive downhole flow control device |
| 03/22/2011 | CA2643380C Electro thermal energy storage for in situ recovery of fluid fuel from hydro carbonaceous earth formations |
| 03/22/2011 | CA2638790C Apparatus and method for utilising expandable sand screen in wellbores |
| 03/22/2011 | CA2634239C Apparatus for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids |
| 03/22/2011 | CA2630319C Methods of consolidating unconsolidated particulates in subterranean formations |
| 03/22/2011 | CA2604998C Active intake pressure control of downhole pump assemblies |
| 03/22/2011 | CA2562248C Composition and process for enhanced oil recovery |
| 03/22/2011 | CA2509944C A method for oil recovery from an oil field |
| 03/22/2011 | CA2508852C Drilling method |
| 03/22/2011 | CA2468224C Aqueous storable cement spacer system and method of making and using the same |
| 03/22/2011 | CA2453063C Liner hanger |
| 03/18/2011 | CA2698712A1 Geothermal liner system with packer |
| 03/17/2011 | WO2011032128A1 Wireless pipe recovery and perforating system |
| 03/17/2011 | WO2011032083A1 Formation of fractures within horizontal well |
| 03/17/2011 | WO2011032019A2 Subsurface reservoir analysis based on fluid injection |
| 03/17/2011 | WO2011031946A2 Compositions and methods for controlling the stability of ethersulfate surfactants at elevated temperatures |
| 03/17/2011 | WO2011031920A2 Process of using hard brine at high alkalinity for enhanced oil recovery (eor) applications |
| 03/17/2011 | WO2011031817A2 Energetic material applications in shaped charges for perforation operations |
| 03/17/2011 | WO2011031682A2 Multiple electric submersible pump system |
| 03/17/2011 | WO2011031643A2 Electromagnetic harvesting of fluid oscillations for downhole power sources |
| 03/17/2011 | WO2011029173A1 System and method for enhanced oil recovery from combustion overhead gravity drainage processes |
| 03/17/2011 | WO2011029163A1 Modular underwater oil collecting and transporting system |
| 03/17/2011 | WO2010147999A3 High-ratio tubular expansion |
| 03/17/2011 | WO2010122516A3 Method for extracting hydrocarbons from a tank and hydrocarbon extraction facility |
| 03/17/2011 | US20110066405 System and Method For Providing A Time-Based Representation of Data |
| 03/17/2011 | US20110061874 Tool and method for enhancing the extraction of landfill gas |
| 03/17/2011 | US20110061873 Hydraulically Driven Downhole Pump Using Multi-Channel Coiled Tubing |
| 03/17/2011 | US20110061869 Formation of Fractures Within Horizontal Well |
| 03/17/2011 | US20110061868 System and Method for Enhanced Oil Recovery from Combustion Overhead Gravity Drainage Processes |
| 03/17/2011 | US20110061867 Method for production of high purity distillate from produced water for generation of high pressure steam |
| 03/17/2011 | US20110061866 Low conductivity water based drilling fluid |
| 03/17/2011 | US20110061864 Wireless pipe recovery and perforating system |
| 03/17/2011 | US20110061862 Instrumented swellable element |
| 03/17/2011 | US20110061860 Computer-implemented systems and methods for controlling sand production in a geomechanical reservoir system |
| 03/17/2011 | US20110061859 Conductive Heating by Encapsulated Strontium Source (Chess) |