| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
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| 04/27/2006 | WO2006043829A1 A method and a device for setting a casing |
| 04/27/2006 | WO2005121501A3 Aqueous tackifier and methods of controlling particulates |
| 04/27/2006 | US20060086509 Redundant Hydraulic System for Safety Valve |
| 04/27/2006 | US20060086503 Casing strings and methods of using such strings in subterranean cementing operations |
| 04/27/2006 | US20060086502 Casing strings and methods of using such strings in subterranean cementing operations |
| 04/27/2006 | US20060086499 Methods and systems for reverse-circulation cementing in subterranean formations |
| 04/27/2006 | US20060086497 Wireless Communications Associated With A Wellbore |
| 04/26/2006 | EP1649136A1 System for sealing a space in a wellbore |
| 04/26/2006 | EP1540131A4 "top drive swivel apparatus and method" |
| 04/26/2006 | CN2775291Y Zezo load desealing durable multiple reverse flushing packer |
| 04/26/2006 | CN2775290Y Slant hole packer |
| 04/26/2006 | CN2775289Y Spring lock jaw repeat seating and sealing packer |
| 04/26/2006 | CN2775288Y Four-way plugging device for well head |
| 04/26/2006 | CN2775287Y Incline lubricating type packing box |
| 04/26/2006 | CN1253647C Well pumping unit pit-top abrasion-proof, corrosion-resisting apparatus |
| 04/26/2006 | CN1253646C Method for sampling an earth formation through a cased borehole |
| 04/25/2006 | US7032691 Underbalanced well drilling and production |
| 04/25/2006 | US7032677 Multi-lock adapters for independent screwed wellheads and methods of using same |
| 04/25/2006 | US7032673 Orientation system for a subsea well |
| 04/25/2006 | US7032670 Dehydration water from oil well; applying magnetism to adjust viscosity; sealing porous strate; drilling |
| 04/25/2006 | US7032668 Cementing system and method for wellbores |
| 04/25/2006 | US7032663 Permeable cement and sand control methods utilizing permeable cement in subterranean well bores |
| 04/25/2006 | US7032658 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 04/25/2006 | US7032310 Method of installing a socket with a socket contact on an underwater plug with a plug contact |
| 04/25/2006 | CA2298224C Packer insert for sealing on multiple items in a wellbore |
| 04/25/2006 | CA2178707C Cementing compositions and the application of such compositions to cementing oil or analogous wells |
| 04/20/2006 | WO2006042031A1 Universal connection interface for subsea completion systems |
| 04/20/2006 | WO2006041825A2 One trip liner conveyed gravel packing and cementing system |
| 04/20/2006 | WO2006040590A1 Blow out preventers |
| 04/20/2006 | WO2006040507A1 Methods of cementing in subterranean formations |
| 04/20/2006 | US20060084580 encapsulation; for servicing well bores |
| 04/20/2006 | US20060082069 Bearing-supported mechanical seal for progressive cavity pumps |
| 04/20/2006 | US20060081380 Collar locator for slick pump |
| 04/20/2006 | US20060081376 Hydraulic friction fluid heater and method of using same |
| 04/20/2006 | US20060081373 Cement compositions comprising aromatic sulfonated polymers and methods of using the same |
| 04/20/2006 | US20060081372 Treatment fluids comprising vitrified shale and methods of using such fluids in subterranean formations |
| 04/20/2006 | CA2583798A1 Blowout preventer with seal seat |
| 04/20/2006 | CA2582941A1 An injection apparatus for injecting an activated fluid into a well-bore and related injection method |
| 04/19/2006 | EP1604092A4 Method for drilling and completing wells |
| 04/19/2006 | CN2773306Y Compression, expand and back-flushing desealed block |
| 04/19/2006 | CN2773305Y Hydraulic self sealing hole stopper with position concerned releasement |
| 04/19/2006 | CN2773304Y Circular blowout preventer for petroleum and natural gas drilling well |
| 04/19/2006 | CN2773303Y Flashboard blowout preventer for petroleum and natural gas drilling well |
| 04/19/2006 | CN2773302Y Pressure back and reducing device for oil-pumping well mouth |
| 04/19/2006 | CN1252373C Well repairing system and its method |
| 04/18/2006 | US7030064 Bentonite nodules |
| 04/18/2006 | US7028787 Tong for wellbore operations |
| 04/18/2006 | US7028777 Open water running tool and lockdown sleeve assembly |
| 04/18/2006 | US7028774 Applying a preflush solution of an aqueous liquid and a water-resistant polymer, surfactant, low viscosity consolidating fluid and afterflush fluid to the subterranean formation |
| 04/18/2006 | CA2187434C Computer controlled downhole tools for production well control |
| 04/13/2006 | US20060079408 A hardenable slurry containing an additive contains diatomaceous earth, finely divided paper as a suspending agent, lime, micronized cellulose papper as loss control material, sodium silicate, and sulfate; A drillable plug in a well bore adjacent to a plugged thief zone is formed by setting up the slurry |
| 04/13/2006 | US20060076526 Anodic Protective Seal in a Blowout Preventer |
| 04/13/2006 | US20060076149 Downhole Safety Valve Assembly Having Sensing Capabilities |
| 04/13/2006 | US20060076141 Universal connection interface for subsea completion systems |
| 04/13/2006 | US20060076135 Apparatus and method for reverse circulation cementing a casing in an open-hole wellbore |
| 04/13/2006 | US20060076134 Well stimulation |
| 04/13/2006 | US20060076130 Tubing annulus plug valve |
| 04/12/2006 | EP1645609A2 Foam cement slurry |
| 04/12/2006 | EP1644671A1 A method of constructing a geothermal heat exchanger |
| 04/12/2006 | EP1295006B1 Pipe handling apparatus and method of landing items at a well location |
| 04/12/2006 | CN2771472Y High temperature snubbing steam driving wallhead device |
| 04/12/2006 | CN2771468Y Repeated seat packer |
| 04/12/2006 | CN2771467Y Screw pump well repair operation blow-out preventer |
| 04/12/2006 | CN2771466Y Screw pump well head automatic blow-out preventing device |
| 04/12/2006 | CN1759227A Shoe for expandable liner system |
| 04/12/2006 | CN1759076A Flexible cementing compositions and methods for high-temperature wells |
| 04/11/2006 | US7026272 Methods and compositions for sealing oil containing subterranean zones |
| 04/11/2006 | US7025360 Metal seal with corrosion resistant alloy overlay |
| 04/11/2006 | US7025322 Blowout valve assembly |
| 04/11/2006 | US7025147 Apparatus for, and method of, landing items at a well location |
| 04/11/2006 | US7025146 Alternative packer setting method |
| 04/11/2006 | US7025145 Tensioning arrangement for a subsea wellhead assembly |
| 04/11/2006 | US7025144 Wellbore liner system |
| 04/11/2006 | US7025133 Multiple bore christmas tree outlet |
| 04/11/2006 | US7025132 Flow completion apparatus |
| 04/11/2006 | CA2390133C Hydraulically set straddle packers |
| 04/11/2006 | CA2274203C Method and apparatus for positioning and repositioning a plurality of service tools downhole without rotation |
| 04/06/2006 | WO2005071219A3 Methods and compositions for reducing the production of water and stimulating hydrocarbon production from a subterranean formation |
| 04/06/2006 | US20060070741 Riser connector |
| 04/05/2006 | EP1642001A2 Removable seal carrier for blowout preventer bonnet assembly |
| 04/05/2006 | EP1116350B1 Drill string telemetry with insulator between receiver and transmitter |
| 04/05/2006 | CN2769503Y Rotary jacket pipe type oil-water recovering device |
| 04/05/2006 | CN2769502Y Oil field well head antitheft device |
| 04/05/2006 | CN2769501Y Antitheft packing box pressing cap |
| 04/05/2006 | CN2769500Y Antitheft square clip |
| 04/05/2006 | CN2769499Y Well head protector for abandoned oil well |
| 04/05/2006 | CN1756890A Method for drilling and completing wells |
| 04/04/2006 | US7021677 Seal retainer with metal seal members for undersea hydraulic coupling |
| 04/04/2006 | US7021406 Method of drilling with magnetorheological fluid |
| 04/04/2006 | US7021402 Method for using a multipurpose unit with multipurpose tower and a surface blow out preventer |
| 04/04/2006 | US7021384 Apparatus and method for wellbore isolation |
| 04/04/2006 | US7021380 cementing in a subterranean wells; a portland cement, water and a set retarder of acrylamide polymer derivative and an iron compound; delaying set time of cement |
| 04/04/2006 | US7021379 Methods and compositions for enhancing consolidation strength of proppant in subterranean fractures |
| 04/04/2006 | US7021376 Method for placement of blocking gels or polymers at multiple specific depths of penetration into oil and gas, and water producing formations |
| 04/04/2006 | CA2427017C High temperature and pressure packer |
| 04/04/2006 | CA2418574C Downhole fluid disposal apparatus and methods |
| 04/04/2006 | CA2182913C Pressure-boost device for downhole tools |
| 03/30/2006 | WO2006034214A2 Downhole safety valve apparatus and method |
| 03/30/2006 | WO2006032842A2 Foamed cement compositions and associated methods of use |
| 03/30/2006 | WO2005123871A3 Formation consolidation process |