| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 04/28/2009 | CA2409872C Sealed lateral wellbore junction |
| 04/23/2009 | WO2009052114A2 Water sensing adaptable inflow control device using a powered system |
| 04/23/2009 | WO2009052112A2 Water dissolvable materials for activating in-flow control devices that control flow of subsurface fluids |
| 04/23/2009 | WO2009052096A2 Water sensing adaptable in-flow control device and method of use |
| 04/23/2009 | WO2009052051A2 Downhole tubular sealing system |
| 04/23/2009 | WO2009051490A1 Casing device |
| 04/23/2009 | WO2009050681A2 Multilayered ball sealer and method of use thereof |
| 04/23/2009 | WO2009050503A2 Anchoring device |
| 04/23/2009 | WO2009050030A2 Device for controlling an inflatable tool used to treat a well or pipeline |
| 04/23/2009 | US20090102133 Downhole tubular sealing system |
| 04/23/2009 | US20090102132 External Pressure Gasket |
| 04/23/2009 | US20090101364 Wellbore zonal isolation system and method |
| 04/23/2009 | US20090101359 High Pressure Wireline Top-Entry Packoff Apparatus and Method |
| 04/23/2009 | US20090101358 Sealing device |
| 04/23/2009 | US20090101353 Water Absorbing Materials Used as an In-flow Control Device |
| 04/23/2009 | US20090101350 Modular backup fluid supply system |
| 04/23/2009 | US20090101345 Liner Drilling System with Retrievable Bottom Hole Assembly |
| 04/23/2009 | US20090101344 Water Dissolvable Released Material Used as Inflow Control Device |
| 04/23/2009 | US20090101334 Multilayered ball sealer and method of use thereof |
| 04/23/2009 | US20090101330 Device and system for well completion and control and method for completing and controlling a well |
| 04/23/2009 | US20090101329 Water Sensing Adaptable Inflow Control Device Using a Powered System |
| 04/23/2009 | US20090101327 Surface instrumentation configuration for drilling rig operation |
| 04/23/2009 | CA2701883A1 Water sensing adaptable in-flow control device and method of use |
| 04/23/2009 | CA2701849A1 Casing device |
| 04/23/2009 | CA2701700A1 Multilayered ball sealer and method of use thereof |
| 04/23/2009 | CA2700731A1 Fluid control apparatus and methods for production and injection wells |
| 04/23/2009 | CA2652139A1 A quick removal cylinder set for a twin cylinder isolation tool with adjustable stub rods to prevent rotation of the upper and lower beams |
| 04/23/2009 | CA2641238A1 Fluid drilling equipment |
| 04/22/2009 | EP2050924A2 Oilfield equipment |
| 04/22/2009 | EP2049765A1 Method of designing blowout preventer seal using finite element analysis |
| 04/22/2009 | EP2049764A1 Revised cure cycle for annular packing units |
| 04/22/2009 | EP2049763A1 Annular bop packing unit |
| 04/22/2009 | EP2049762A1 Pressure energized radial seal |
| 04/22/2009 | CN201225123Y Well head seat seal type inner pipe method cementing device |
| 04/22/2009 | CN201225122Y Horizontal well integral adjustable layer subsection water-shutoff tool string |
| 04/22/2009 | CN201225121Y Oil gas well selective completion tool |
| 04/22/2009 | CN201225120Y Novel hydraulic double-ram blowout preventer |
| 04/22/2009 | CN201225119Y Concentric tube steering machine |
| 04/22/2009 | CN201225118Y Well head self seal capable of being quickly assembled and dissembled |
| 04/22/2009 | CN201225117Y Simple self-seal core of polyurethane steel net |
| 04/22/2009 | CN201225116Y Well head anti-reverse torque apparatus |
| 04/22/2009 | CN201225115Y Blow well paraffin removal bulkhead anti-drop pressure cover |
| 04/22/2009 | CN201225114Y Downhole hydraulic self-sealing flexible plunger seal oil conduit type well head seal device |
| 04/22/2009 | CN201225113Y Single hand wheel blowout preventer |
| 04/22/2009 | CN201225112Y Well head packing kit anti-theft device |
| 04/22/2009 | CN201225111Y Downhole operation well head scraping-proof guard board |
| 04/22/2009 | CN201225108Y High pressure oil gas water well pressured operation uncoupling machine |
| 04/22/2009 | CN101415904A Mounts for blowout preventer bonnets |
| 04/22/2009 | CN101413813A Turbine type flow sensor for oil field well cementing |
| 04/22/2009 | CN101413384A Method for implementing branch well window seal by using metal expansion tube |
| 04/22/2009 | CN101413383A Blowout prevention on-off connector |
| 04/22/2009 | CN101413382A Blowout prevention on-off connector |
| 04/22/2009 | CA2641472A1 Pumice containing compositions for cementing a well |
| 04/21/2009 | US7520327 Methods and materials for subterranean fluid forming barriers in materials surrounding wells |
| 04/21/2009 | US7520322 Wellhead isolation tool and method of fracturing a well |
| 04/21/2009 | CA2523039C Subsurface measurement apparatus, system, and process for improved well drilling, control, and production |
| 04/21/2009 | CA2513629C Well packer inflation system and method of inflating same |
| 04/21/2009 | CA2455720C Above the motor bellows expansion member for a submersible pump |
| 04/16/2009 | WO2009047552A2 Shaft seal for down-hole tools |
| 04/16/2009 | WO2009023611A3 Multi-position valve for fracturing and sand control and associated completion methods |
| 04/16/2009 | WO2009020951A3 Tangentially-loaded high-load retrievable slip system |
| 04/16/2009 | WO2009001073A3 Downhole apparatus |
| 04/16/2009 | WO2009000396A3 Method and apparatus to cement a perforated casing |
| 04/16/2009 | WO2008147707A4 A self energizing seal element |
| 04/16/2009 | WO2008076768A3 Casing expansion and formation compression for permeability plane orientation |
| 04/16/2009 | WO2006091634A3 Gas lift plunger arrangement |
| 04/16/2009 | US20090095535 using the drilling composition to drill a portion of the well bore, the consolidating material penetrating into the walls of the well bore, and consolidating a portion of the formation particulates;.crosslinking polymers bonding only at the points of contact between particles and not sealing across |
| 04/16/2009 | US20090095474 System and Method for Fracturing While Drilling |
| 04/16/2009 | US20090095467 Bypass gas lift system and method for producing a well |
| 04/16/2009 | US20090095464 System and method for providing additional blowout preventer control redundancy |
| 04/15/2009 | EP2048322A2 An assembly for cutting into a well tubular |
| 04/15/2009 | EP2047059A2 Modified christmas tree components and associated methods for using coiled tubing in a well |
| 04/15/2009 | EP1328687B1 Device and method for producing columns of particulate matter in the ground of bodies of water |
| 04/15/2009 | CN201221336Y Sleeve milling dredge small diameter bridging plug |
| 04/15/2009 | CN201221335Y Water injection packer |
| 04/15/2009 | CN201221334Y Expanding type water injection packer capable of de-sealing |
| 04/15/2009 | CN201221333Y Remote control type blowout preventer shutter hydraulic locking apparatus |
| 04/15/2009 | CN201221332Y Controllable orifice blowout prevention back-pressure apparatus |
| 04/15/2009 | CN201221331Y High strength seal packing kit |
| 04/15/2009 | CN201221330Y Screw pump well head blowout preventer |
| 04/15/2009 | CN201221329Y Well head theft-proof box |
| 04/15/2009 | CN101410661A A disengageable spindle drive |
| 04/14/2009 | US7516802 Assembly and method for determining thermal properties of a formation and forming a liner |
| 04/14/2009 | US7516791 Configurable wellbore zone isolation system and related systems |
| 04/14/2009 | US7516784 In-situ method of coal gasification |
| 04/14/2009 | CA2559467C Apparatus and methods for sealing voids in a subterranean formation |
| 04/14/2009 | CA2558052C Well fluid and method using hollow particles |
| 04/14/2009 | CA2550266C Deployable zonal isolation system |
| 04/14/2009 | CA2497617C Method and apparatus for locating and re-entering one or more horizontal wells using whipstocks |
| 04/09/2009 | WO2009046307A2 Wellbore and reservoir treatment device |
| 04/09/2009 | WO2009045732A1 Downhole tools having screens for insertion into gravel disposed in wellbores and methods of installing same |
| 04/09/2009 | WO2009045656A1 Downhole sealing devices having a shape-memory material and mehtods of manufacturing and using same |
| 04/09/2009 | WO2009045110A1 Electrically-driven hydraulic pump unit having an accumulator module for use in subsea control systems |
| 04/09/2009 | WO2009044286A2 System and method for performing intervention operations with a subsea y-tool |
| 04/09/2009 | WO2009044137A1 Open-hole wellbore lining |
| 04/09/2009 | WO2009043901A2 Inflatable packer with energy and triggering section |
| 04/09/2009 | WO2009023472A3 Expandable leak path preventer in fluid activated downhole tools |
| 04/09/2009 | WO2009016353A3 Winch assembly |
| 04/09/2009 | WO2009016346A3 Deployment system |
| 04/09/2009 | WO2009005880A3 Fracture stimulation for a wellbore using thermoset polymer nanocomposite particles |