| Patents for E21B 29 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground (5,744) |
|---|
| 07/22/2010 | US20100181075 Modular, distributed, rov retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use |
| 07/22/2010 | US20100181072 Downhole Well Access Line Cutting Tool |
| 07/20/2010 | US7757773 Latch assembly for wellbore operations |
| 07/20/2010 | US7757771 Wellhead seal unit |
| 07/20/2010 | US7757754 Combination motor casing and spear |
| 07/15/2010 | US20100175889 Detonator for Material-Dispensing Wellbore Tools |
| 07/14/2010 | EP2206877A2 Downhole cable gripping/shearing device and method |
| 07/14/2010 | EP2205823A2 Ram bop shear device |
| 07/14/2010 | EP2205821A2 Tubular cutting device |
| 07/14/2010 | EP2205817A2 Anchored riserless mud return systems |
| 07/14/2010 | CN101778994A Method of lining a well or a pipe using an inflatable bladder |
| 07/13/2010 | US7752971 Adapter for shaped charge casing |
| 07/13/2010 | CA2427233C Radial cutting torch with mixing cavity and method |
| 07/08/2010 | US20100170675 Downhole cable gripping/shearing device |
| 07/07/2010 | CN201521273U Encountering resistance drifting device adopting acoustic variable density logging method |
| 07/07/2010 | CN101769136A Underground diaphragm wall hydraulic multi-head drilling and milling device |
| 07/06/2010 | US7748464 Subsea well communications apparatus and method using variable tension large offset risers |
| 07/01/2010 | US20100163244 Rigless abandonment system |
| 06/30/2010 | CN101760175A Sealing material for expansion pipe and method for preparing same |
| 06/29/2010 | US7743832 Method of running a tubing hanger and internal tree cap simultaneously |
| 06/23/2010 | EP2198111A2 Cutting structures for earth-boring drill bits |
| 06/23/2010 | CA2688731A1 Actuator assembly for tubular expansion |
| 06/17/2010 | WO2010066276A1 Wellbore machining device |
| 06/17/2010 | WO2010065994A1 Subsea severing of stringer casings |
| 06/17/2010 | US20100147535 Expandable Liner Hanger |
| 06/17/2010 | US20100147528 Riser Centralizer System (RCS) |
| 06/17/2010 | US20100147520 Method of removing a device in an annulus |
| 06/17/2010 | US20100147516 System and method for minimizing the negative enviromental impact of the oilsands industry |
| 06/17/2010 | CA2746468A1 Wellbore machining device |
| 06/16/2010 | CN201507261U Sleeve shape-correction machine by utilizing phase-change expansion of material to do work |
| 06/15/2010 | US7735563 Pressure driven pumping system |
| 06/15/2010 | US7735561 Subsea adapter for connecting a riser to a subsea tree |
| 06/10/2010 | US20100139921 Cutting Device and a Method for Emergency Cutting of a Line in a Well |
| 06/09/2010 | CN201502349U Expansion tool for expansion pipes |
| 06/08/2010 | CA2563860C Controlled shared load casing jack system and method |
| 06/08/2010 | CA2530915C Apparatus and methods for operating a tool in a wellbore |
| 06/03/2010 | WO2010042258A3 Application of high temperature explosive to downhole use |
| 06/02/2010 | CN201496018U Single-core cable oil field deep well drifting instrument |
| 06/02/2010 | CN101718180A Floatingly-hinged rolling variable-diameter expansion drill bit |
| 06/02/2010 | CN101718171A Matching method of well completion of laterally-drilling horizontal well |
| 06/02/2010 | CN101550811B Lifting full water depth outer suspension clutch unlock underwater well head cutting recovery combined tool |
| 06/01/2010 | US7726401 Casing exit joint with easily milled, low density barrier |
| 06/01/2010 | US7726392 Removal of downhole drill collar from well bore |
| 06/01/2010 | US7726028 Cutting device for pipelines |
| 05/27/2010 | WO2010057932A1 Downhole equipment removal system |
| 05/27/2010 | US20100126725 Coiled tubing bottom hole assembly with packer and anchor assembly |
| 05/26/2010 | CN201486497U Shaft lining scraper |
| 05/25/2010 | US7721820 Buffer for explosive device |
| 05/19/2010 | CN201474641U Set of eccentric wash over pipe, milling shoe, mill pyramid and milling rod workover tools |
| 05/19/2010 | CN201474640U Novel spiral expansion cone |
| 05/14/2010 | WO2010132807A2 Packer retrieving mill with debris removal |
| 05/14/2010 | CA2761304A1 Packer retrieving mill with debris removal |
| 05/13/2010 | US20100116506 Subsea deployment of submersible pump |
| 05/13/2010 | US20100116504 Casing annulus tester for diagnostics and testing of a wellbore |
| 05/12/2010 | CN201460784U Hydraulic reducing expansion tool |
| 05/11/2010 | US7712539 Riser for connection between a vessel and a point at the seabed |
| 05/11/2010 | US7712532 Energized fluids and pressure manipulation for subsurface applications |
| 05/11/2010 | CA2471488C Bore isolation |
| 05/06/2010 | WO2010026215A3 Lining of well bores with expandable and conventional liners |
| 05/06/2010 | WO2010019675A3 Umbilical management system and method for subsea well intervention |
| 05/06/2010 | US20100108331 Surface Equipment Assembly for Wellbore Cable |
| 05/06/2010 | US20100108328 Method for Removing a Consumable Downhole Tool |
| 05/06/2010 | US20100108327 Consumable Downhole Tools |
| 04/29/2010 | US20100101803 Consumable Downhole Tools |
| 04/29/2010 | US20100101802 Drilling Head for Reboring a Stuck Valve |
| 04/28/2010 | CN201443327U Flexible drift size gauge tool |
| 04/28/2010 | CN201443325U Lifting-and-abrading-free solid expansion pipe used for oil field |
| 04/27/2010 | US7703526 Apparatus and method for characterizing a reservoir |
| 04/27/2010 | US7703511 Pressure barrier apparatus |
| 04/27/2010 | US7703507 Downhole tool delivery system |
| 04/27/2010 | CA2595026C Downhole drilling apparatus and method for use of same |
| 04/27/2010 | CA2539735C Tubular patch expansion apparatus with inflatable bladder |
| 04/22/2010 | WO2010043850A1 A powered cutting tool |
| 04/21/2010 | EP2177710A1 Three dimensional steerable system |
| 04/21/2010 | EP2176503A2 Rotating and reciprocating swivel apparatus and method |
| 04/20/2010 | US7698982 Explosive pipe severing tool |
| 04/20/2010 | CA2492626C Flexible wellbore broach |
| 04/20/2010 | CA2401068C Isolation of subterranean zones |
| 04/20/2010 | CA2397480C Expanding a tubular member |
| 04/15/2010 | WO2010042298A1 Deepwater hydraulic control system |
| 04/15/2010 | US20100089583 Extendable cutting tools for use in a wellbore |
| 04/15/2010 | US20100089566 Consumable downhole tools |
| 04/14/2010 | EP2175100A1 Three dimensional steerable system |
| 04/14/2010 | CN201437699U Intelligent well-dredging device for deep well on oil field |
| 04/13/2010 | US7694743 ROV-deployable subsea wellhead gas hydrate diverter |
| 04/13/2010 | CA2828846A1 Compliant expansion swage |
| 04/13/2010 | CA2682426A1 Compliant expansion swage |
| 04/13/2010 | CA2459910C Adjustable expansion cone assembly |
| 04/13/2010 | CA2449664C In-situ casting of well equipment |
| 04/09/2010 | CA2680894A1 Drilling method |
| 04/08/2010 | WO2010039694A2 Method and apparatus for sealing a hole made with a cased hole formation tester |
| 04/06/2010 | US7690433 Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use |
| 04/06/2010 | CA2572202C Expanding multiple tubular portions |
| 04/01/2010 | WO2010035042A2 Method of testing a pipeline cut |
| 04/01/2010 | US20100078180 Expandable packer system |
| 04/01/2010 | US20100078171 Method and apparatus for sealing a hole made with a cased hole formation tester |
| 04/01/2010 | US20100078170 Method and apparatus for forming and sealing a hole in a sidewall of a borehole |
| 04/01/2010 | US20100078166 Tubing expansion |
| 04/01/2010 | US20100078161 Electrical control for a downhole system |
| 03/30/2010 | US7686086 Subsea well separation and reinjection system |