| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
|---|
| 01/09/2008 | CN101100935A Continuous liquid-discharging device for exploration well testing for oil |
| 01/09/2008 | CN101100932A High-pressure water injection well head device |
| 01/09/2008 | CN101100361A Low-temperature low-density well cementing cement mortar |
| 01/08/2008 | US7316430 Connecting mechanism |
| 01/08/2008 | US7316274 One trip perforating, cementing, and sand management apparatus and method |
| 01/08/2008 | US7316273 Methods and compositions for enhancing hydrocarbon production |
| 01/08/2008 | US7316271 Deformable member |
| 01/08/2008 | US7316269 Enclosed radial wire-line cable conveying method and apparatus |
| 01/08/2008 | CA2535461C Coupling for a plug container to a casing |
| 01/08/2008 | CA2522910C Liner hanger |
| 01/08/2008 | CA2503057C Multi-function well servicing vehicle |
| 01/08/2008 | CA2488671C Methods of sealing expandable pipe in well bores and sealing compositions |
| 01/08/2008 | CA2341080C Releasable no-go tool |
| 01/08/2008 | CA2322261C Retarding systems and application to oil well cementing |
| 01/08/2008 | CA2309513C Hydraulic set liner hanger setting mechanism and method |
| 01/08/2008 | CA2262452C Apparatus and methods for completing a wellbore |
| 01/03/2008 | WO2008002902A2 Adenosine a2b receptor antagonists |
| 01/03/2008 | WO2008000106A1 Bentonite suspensions |
| 01/03/2008 | WO2007092082A3 Wellbore method and apparatus for completion, production and injection |
| 01/03/2008 | WO2005059058A3 Well completion spacer fluids containing fibers and methods |
| 01/03/2008 | US20080004190 Multizone Stimulation Using Wax Balls |
| 01/03/2008 | US20080000646 Device and method to seal boreholes |
| 01/03/2008 | US20080000641 Settable compositions free of portland cement and associated methods of use |
| 01/03/2008 | US20080000640 Allowing a cement containing a light-burned magnesium oxide, water and an alkaline earth metal chloride to set in a well bore at less than 80 degrees F.; the set product displays a right angle set |
| 01/03/2008 | US20080000636 Method of repairing failed gravel packs |
| 01/02/2008 | EP1871976A1 Lubricator system |
| 01/02/2008 | CN200999603Y Repeatedly-usable type hole sealing water stop device |
| 01/02/2008 | CN200999602Y Bridging plug forcibly connecting pressure excited type ignition apparatus |
| 01/02/2008 | CN200999601Y Lock core sliding block type anti-theft thread plug |
| 01/02/2008 | CN200999600Y Sucker rod wax scraping blow-out preventer |
| 01/02/2008 | CN200999599Y Oil pipe receiver |
| 01/02/2008 | CN101096906A Cement through side pocket mandrel |
| 01/01/2008 | US7314850 Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids |
| 01/01/2008 | US7314092 Packer |
| 01/01/2008 | US7314088 System for retrieving a tubular element from a well |
| 01/01/2008 | US7314086 Well operations system |
| 01/01/2008 | US7314085 Well operations system |
| 01/01/2008 | US7314084 Subsea pumping module system and installation method |
| 01/01/2008 | US7314082 Methods of improving well bore pressure containment integrity |
| 12/27/2007 | WO2007150040A1 Swelling element packer and installation method |
| 12/27/2007 | WO2007150022A2 Swelling element packer and installation method |
| 12/27/2007 | WO2007148980A1 Packer element for use in a stuffing box |
| 12/27/2007 | WO2007148979A1 Sampling tool for hydrocarbon-producing wells |
| 12/27/2007 | WO2007076078A3 Expandable, inflatable packer |
| 12/27/2007 | US20070298978 Compositions and Methods for Controlling Fluid Loss |
| 12/27/2007 | US20070295516 Stripper rubber insert assembly |
| 12/27/2007 | US20070295515 Linear induction motor-operated downhole tool |
| 12/27/2007 | US20070295514 Multi-Rotational Indexer |
| 12/27/2007 | US20070295513 Tubular Flotation With Pressurized Fluid |
| 12/27/2007 | US20070295503 In-situ method of coal gasification |
| 12/27/2007 | US20070295498 Swelling element packer and installation method |
| 12/27/2007 | CA2654758A1 Packer element for use in a stuffing box |
| 12/27/2007 | CA2649348A1 Sulfur barrier for use with in situ processes for treating formations |
| 12/26/2007 | EP1870558A2 Top drive swivel apparatus and method |
| 12/26/2007 | CN200996280Y Slurry-mixing bath and cleaner of diffusion bath |
| 12/26/2007 | CN200996279Y Washing well packer |
| 12/26/2007 | CN200996278Y Safety air wellhead device |
| 12/26/2007 | CN200996277Y Self-tightening sealed polish-rod packing box |
| 12/26/2007 | CN200996276Y Portable multifunctional wellhead offset sealer |
| 12/26/2007 | CN101094966A Elevator for use in handling pipe and method for handling pipe |
| 12/26/2007 | CN101094965A Apparatus and method for guiding pipe |
| 12/26/2007 | CN101092870A Connector of well top |
| 12/26/2007 | CN100357735C High temperature high pressure oil well cement paste coagulation instrument and its coagulation time measuring method |
| 12/25/2007 | US7311151 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons |
| 12/25/2007 | US7311148 Methods and apparatus for wellbore construction and completion |
| 12/25/2007 | US7311147 Methods of improving well bore pressure containment integrity |
| 12/24/2007 | CA2592556A1 Method and apparatus for plugging perforations |
| 12/21/2007 | WO2007147112A1 Anchor system for packers in well injection service |
| 12/21/2007 | WO2007092083A3 Wellbore method and apparatus for completion, production and injection |
| 12/21/2007 | WO2007050365A3 Articulating bail assembly and method |
| 12/20/2007 | US20070289749 Anchor system for packers in well injection service |
| 12/20/2007 | US20070289748 System and method for low-pressure well completion |
| 12/20/2007 | US20070289745 Plug Setting and Retrieving Apparatus |
| 12/20/2007 | US20070289744 Pumping slurry of portland cement, sources of free lime and alkali, calcium carbonate, calcium sulfate, an organic component, and water into a wellbore under pressure, forming a set cement product in the wellbore |
| 12/20/2007 | US20070289742 Methods and compositions for well completion in steam breakthrough wells |
| 12/20/2007 | US20070289737 A method for continuously batch mixing a cement slurry |
| 12/20/2007 | US20070289735 Inflatable packer with a reinforced sealing cover |
| 12/20/2007 | CA2550793A1 Wellhead security system |
| 12/19/2007 | EP1867833A1 Apparatus and method for obtaining images of a borehole |
| 12/19/2007 | EP1866518A1 A method and a device for in situ formation of a seal in an annulus in a well |
| 12/19/2007 | EP1866517A1 Improved inflatable packers |
| 12/19/2007 | CN200992987Y Throttle valve mechanism |
| 12/19/2007 | CN200992983Y On-board multifunctional slurry mixing-injecting device |
| 12/19/2007 | CN200992982Y One-trip string hydraulic setting squeezing bridge plug |
| 12/19/2007 | CN200992981Y Cementing cylinder controle device |
| 12/19/2007 | CN200992980Y Liquid mixing device |
| 12/19/2007 | CN200992979Y On-board multifunctional water supply device |
| 12/19/2007 | CN200992978Y Simple tool for fast controlling well blowout after oil-pumping well polished rod breaking |
| 12/19/2007 | CN200992977Y Elastic bag hole packer |
| 12/19/2007 | CN200992976Y Injection-recovery two-purpose immovable wellhead |
| 12/19/2007 | CN200992975Y Simple ash-squeezing wellhead for oil-water well downhole operation |
| 12/19/2007 | CN200992974Y Oil-pumping well head packing box |
| 12/19/2007 | CN200992973Y Casing head anti-theft wellhead assembly |
| 12/19/2007 | CN101089360A Well completion method and device of diverticulum with outer packer combined with sieve tube |
| 12/19/2007 | CN101089359A Constant-current eccentric water distribution plug |
| 12/18/2007 | US7308954 Rotating diverter head |
| 12/18/2007 | US7308945 Packing tool and method |
| 12/18/2007 | US7308943 Well operations system |
| 12/18/2007 | US7308938 Defoaming methods and compositions |
| 12/18/2007 | US7308936 Methods of improving well bore pressure containment integrity |