| 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) |
|---|
| 01/11/2007 | CA2613367A1 Method and apparatus for measuring the density of one component in a multi-component flow |
| 01/10/2007 | EP1350003B8 Method of drilling and operating a subsea well |
| 01/10/2007 | EP1333963B1 Apparatus and methods for separating and joining tubulars in a wellbore |
| 01/10/2007 | CN2856588Y Reversing speed reducer |
| 01/10/2007 | CN2856491Y Liquid pumping unit |
| 01/10/2007 | CN2856488Y Novel lever pump set |
| 01/10/2007 | CN2856485Y Brake of beam pumping unit |
| 01/10/2007 | CN2856484Y Braking and antitheft toe axis of pumping unit |
| 01/10/2007 | CN2856483Y Load reducer of oil pump |
| 01/10/2007 | CN2856410Y Steam sucking section tester with centralizer and choke umbrella |
| 01/10/2007 | CN2856409Y Downhole two-stage cyclone desander |
| 01/10/2007 | CN2856408Y Top-wheel pumping unit having simple reduction driving gear |
| 01/10/2007 | CN2856407Y Perforating and fracturing string of horizontal well |
| 01/10/2007 | CN2856406Y Ground oil sucking machine |
| 01/10/2007 | CN2856405Y Heater for natural gas wellhead |
| 01/10/2007 | CN2856400Y Heat insulation compensating thermometal packer |
| 01/10/2007 | CN2856397Y Constant flow regulatable obturator |
| 01/10/2007 | CN2856392Y Folding well compensator |
| 01/10/2007 | CN1892031A Hydraulic self-sealed plunger oil-well pump |
| 01/10/2007 | CN1891978A Method for detecting oil field fluid-channeling channel |
| 01/10/2007 | CN1891975A Remote controllable and closed-loop control intelligent pumping unit |
| 01/10/2007 | CN1294337C Layered pipe column for squeeze packing sand control process |
| 01/09/2007 | US7160844 Proppants and their manufacture |
| 01/09/2007 | US7160024 Apparatus and method for creating a vortex flow |
| 01/09/2007 | US7159673 Drilling system with expandable sleeve |
| 01/09/2007 | US7159667 Method of coupling a tubular member to a preexisting structure |
| 01/09/2007 | US7159666 Method to install a cylindrical pipe in a wellbore |
| 01/09/2007 | US7159665 Wellbore casing |
| 01/09/2007 | US7159660 Hydrajet perforation and fracturing tool |
| 01/09/2007 | US7159659 Viscoelastic surfactant fluids and associated acidizing methods |
| 01/09/2007 | US7159658 well completion using mixtures of water, viscosity increasing polymers and water soluble strongly delayed polymer breakers comprising chelating agents, peroxide and iron source; removal of filter cakes |
| 01/09/2007 | US7159657 Shaped charge loading tube for perforating gun |
| 01/09/2007 | US7159656 using mixtures of water and hydrophobically modified water-soluble polymer comprising copolymers of dimethylaminoethyl methacrylate and hexadecyldimethylammoniumethyl methacrylate bromide |
| 01/09/2007 | US7159655 pumping well completion fluids comprising cationic polymers and brines, used as antiscaling agents |
| 01/09/2007 | CA2431528C Fracturing fluids containing borate esters as crosslinking agents and method of using same |
| 01/09/2007 | CA2386468C Foam monitoring and control system |
| 01/09/2007 | CA2360098C Soap stick launcher and method for launching soap sticks |
| 01/09/2007 | CA2260714C Wellbore fluid recovery systems & methods |
| 01/09/2007 | CA2260358C Sealed lateral wellbore junction assembled downhole |
| 01/09/2007 | CA2235085C Method and apparatus for stimulating heavy oil production |
| 01/08/2007 | CA2511119A1 Hydrocarbon production system and method of use |
| 01/04/2007 | WO2007002690A2 Nano-encapsulated triggered-release viscosity breakers |
| 01/04/2007 | WO2007002111A1 Method and apparatus for in-situ radiofrequency assisted gravity drainage of oil (ragd) |
| 01/04/2007 | WO2007001935A2 Enhanced floating power generation system |
| 01/04/2007 | WO2007001174A1 Separator for separating a solid, liquid and/or gas mixture |
| 01/04/2007 | WO2007000398A1 Method for avoiding the build up of ba-/sr-scale |
| 01/04/2007 | WO2006120537A3 A method and a system for enhanced flow line control |
| 01/04/2007 | US20070000667 Subsea Communication System and Technique |
| 01/04/2007 | US20070000666 Method and system for fracturing subterranean formations with a proppant and dry gas |
| 01/04/2007 | US20070000665 Isolation assembly for coiled tubing |
| 01/04/2007 | US20070000663 Enhanced liquid hydrocarbon recovery by miscible gas injection water drive |
| 01/04/2007 | US20070000662 Methods of treating a subterranean formation to convert organic matter into producible hydrocarbons |
| 01/04/2007 | CA2613306A1 Separator for separating a solid, liquid and/or gas mixture |
| 01/03/2007 | EP1739279A1 Riser installation method from an offshore production unit |
| 01/03/2007 | EP1738058A1 Inhibiting effects of sloughing in wellbores |
| 01/03/2007 | EP1738057A1 Subsurface electrical heaters using nitride insulation |
| 01/03/2007 | EP1738056A1 Temperature limited heaters used to heat subsurface formations |
| 01/03/2007 | EP1738055A1 Temperature limited heaters used to heat subsurface formations |
| 01/03/2007 | EP1738054A1 Reducing viscosity of oil for production from a hydrocarbon containing formation |
| 01/03/2007 | EP1738053A1 Temperature limited heaters with thermally conductive fluid used to heat subsurface formations |
| 01/03/2007 | EP1738052A1 Inhibiting reflux in a heated well of an in situ conversion system |
| 01/03/2007 | EP1570155B1 Process for the cleaning of oil and gas wellbores |
| 01/03/2007 | CN2854136Y Intelligent benefit-increasing controller of beam-pumping unit |
| 01/03/2007 | CN2854134Y Short plunger low friction resistance sand-proof thickened oil pump |
| 01/03/2007 | CN2854133Y Two-way oil-well pump |
| 01/03/2007 | CN2854086Y Gas logging equipment with device for preventing drill mud into it |
| 01/03/2007 | CN2854082Y Crued oil gas-liquid separation and metering device |
| 01/03/2007 | CN2854077Y Wellhead device for preventing sanding in |
| 01/03/2007 | CN2854076Y Phase transformation crude oil mixing heating device with steam sprayer |
| 01/03/2007 | CN2854075Y Two-stage cutting gun for underground hydraulic fracture cutting |
| 01/03/2007 | CN2854074Y Automatic metering transmission device of thickening oil heat production steam parameter |
| 01/03/2007 | CN2854073Y Three-D gas injection wellhead compensator |
| 01/03/2007 | CN2854072Y Two-pipe injection device |
| 01/03/2007 | CN2854071Y Integral compound perforation gun without hole sealing pad |
| 01/03/2007 | CN2854070Y Built-in easy fishing sand-proof pipe |
| 01/03/2007 | CN2854069Y Well completion device of underbalance well completion |
| 01/03/2007 | CN2854068Y Sand-proof sand device |
| 01/03/2007 | CN2854067Y Beam-pumping unit |
| 01/03/2007 | CN2854063Y Test tube suspension sealing device of thickened oil horinontal well |
| 01/03/2007 | CN2854062Y Improved sealing structure of three-way pipe cecum for wellhead of heat producing well |
| 01/03/2007 | CN2854060Y Stuck releasing jar of water injection well test regulation tool |
| 01/03/2007 | CN1890454A Multiple azimuth control of vertical hydraulic fractures in unconsolidated and weakly cemented sediments |
| 01/03/2007 | CN1890453A Method and system for injecting a treatment fluid into a well |
| 01/03/2007 | CN1888528A Thick oil exploiting coal firiag steam boiler |
| 01/03/2007 | CN1888429A Oil pumping unit base position regulator |
| 01/03/2007 | CN1888428A Vertical oil pumping unit balancing mechanism fast braking device |
| 01/03/2007 | CN1888427A Rod type whole ceramic settling oil-well pump |
| 01/03/2007 | CN1888382A Deep low penetrating oil layer thin oil fire flooding horizontal well gas-injection horizontal well oil production process technology |
| 01/03/2007 | CN1888381A Deep low penetrating thin oil reservoir fire flooding oil production firing method |
| 01/03/2007 | CN1888380A Combined injection device |
| 01/03/2007 | CN1888379A Sandproof integrated compound screening pipe and processing method thereof |
| 01/03/2007 | CN1888378A Beam-pumping unit donkey head expending method and apparatus thereof |
| 01/03/2007 | CN1888377A Method and apparatus for raising beam-pumping unit system efficiency according to variable oil well output |
| 01/03/2007 | CN1888376A Balance mode beam-puming unit |
| 01/03/2007 | CN1888375A API beam-pumping unit design plan |
| 01/03/2007 | CN1293283C Apparatus and method for placing data testing device into under-ground rock stratum |
| 01/03/2007 | CN1293282C In-situ casting of well equipment |
| 01/03/2007 | CN1293281C Wellbore system with annular seal member |
| 01/02/2007 | US7156583 Compensating suspension element configuration |
| 01/02/2007 | US7156194 Methods of drilling and consolidating subterranean formation particulate |