| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
|---|
| 06/29/2004 | US6755907 Gypsum composition with styrene butadiene latex additive |
| 06/29/2004 | US6755256 System for cementing a liner of a subterranean well |
| 06/29/2004 | US6755254 Horizontal spool tree assembly |
| 06/29/2004 | US6755253 Pressure control system for a wet connect/disconnect hydraulic control line connector |
| 06/29/2004 | US6755252 Downhole surge pressure reduction and filtering apparatus |
| 06/29/2004 | US6755244 Lubricator |
| 06/29/2004 | US6755097 Granular particle gripping surface |
| 06/29/2004 | CA2190448C Well casing fill apparatus and methods |
| 06/24/2004 | WO2004053935A2 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 06/24/2004 | WO2004053290A1 Downhole tool with actuable barrier |
| 06/24/2004 | WO2004053289A1 Seal cup for a wellbore tool and method |
| 06/24/2004 | WO2004053288A1 Anchoring device for a wellbore tool |
| 06/24/2004 | US20040118613 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 06/24/2004 | US20040118590 Conductor system |
| 06/24/2004 | US20040118572 Expandable sealing apparatus |
| 06/24/2004 | US20040118568 Wellhead completion system having a horizontal control penetrator and method of using same |
| 06/24/2004 | US20040118564 Method and apparatus for wellbore fluid treatment |
| 06/24/2004 | US20040118560 Apparatus and method for drilling a wellbore with casing and cementing the casing in the wellbore |
| 06/24/2004 | US20040118559 stoppage of water flow while permitting recovery of hydrocarbons from a hydrocarbon formation in the earth; injecting interactive chemicals; organic esters |
| 06/24/2004 | DE10326205A1 Verfahren und Vorrichtung zur Bodenverfestigung und zur Abdichtung von Spalten in Gestein oder Bauwerken Method and apparatus for soil stabilization and sealing of gaps in rocks or buildings |
| 06/23/2004 | EP1430200A1 Wellbore system for simultaneous drilling and production |
| 06/23/2004 | EP1076758B1 A method for the formation of a plug in a petroleum well |
| 06/23/2004 | CN2621221Y Blowout bottom sub for side-guide type water injection well protection environmental testing |
| 06/23/2004 | CN2621216Y Controllable differential-pressure well flushing packer |
| 06/23/2004 | CN2621215Y Tapered packing box |
| 06/23/2004 | CN2621214Y Anti-theft packing box for pumping well |
| 06/23/2004 | CN1506558A Cylinder unit for constant-pressure tank |
| 06/23/2004 | CN1506436A Tough impact admixture for oil well cement |
| 06/22/2004 | US6752216 Expandable packer, and method for seating an expandable packer |
| 06/22/2004 | US6752209 Cementing system and method for wellbores |
| 06/22/2004 | US6752205 Inflatable packer with prestressed bladder |
| 06/22/2004 | CA2299762C Lockdown mechanism for well tools requiring fixed-point packoff |
| 06/22/2004 | CA2299683C Wellhead isolation tool and method of using same |
| 06/22/2004 | CA2104326C Cementing systems for oil wells |
| 06/17/2004 | WO2004051049A2 Non-rotating cement wiper plugs |
| 06/17/2004 | US20040113426 Riser connector |
| 06/17/2004 | US20040113108 Blowout preventer ram packer and wear insert |
| 06/17/2004 | US20040112646 Steel; rotation drilling; in situ cementing casing |
| 06/17/2004 | US20040112609 Reinforced swelling elastomer seal element on expandable tubular |
| 06/17/2004 | US20040112606 Mono-trip cement thru completion |
| 06/17/2004 | US20040112604 Horizontal spool tree with improved porting |
| 06/17/2004 | US20040112603 Apparatus and method of drilling with casing |
| 06/17/2004 | US20040112602 Liquid separation device |
| 06/17/2004 | US20040112599 Cement through side pocket mandrel |
| 06/17/2004 | US20040112597 Packer set monitoring and compensating system and method |
| 06/17/2004 | US20040112594 Closed-loop downhole resonant source |
| 06/17/2004 | US20040112590 Tubing string anchoring tool |
| 06/17/2004 | US20040112586 Wellhead hydraulic drive unit |
| 06/16/2004 | EP1428975A1 Packer set monitoring and control |
| 06/16/2004 | EP1428974A2 Expandable wellbore junction |
| 06/16/2004 | EP1428952A1 Method of sealing cracks and fissures in rock, soil, or buildings |
| 06/16/2004 | EP1169543B1 Inflatable packer |
| 06/16/2004 | EP1169542B1 Inflatable packer |
| 06/15/2004 | US6749172 Rotating blowout preventer with independent cooling circuits and thrust bearing |
| 06/15/2004 | CA2240326C Improved measurement port coupler and probe interface |
| 06/13/2004 | CA2640104A1 Apparatus and method of drilling with casing |
| 06/12/2004 | CA2414030A1 Ram block guide system for a ram-type blow out preventer |
| 06/10/2004 | WO2004048749A1 Borehole plug |
| 06/10/2004 | WO2004048748A1 Downhole safety valve for central circulation completion system |
| 06/10/2004 | US20040108142 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 06/10/2004 | US20040108112 Method for managing the production of a well |
| 06/10/2004 | US20040108008 Method of purging liquids from piston accumulators |
| 06/09/2004 | EP1426551A1 Isolating subterranean zone |
| 06/09/2004 | EP1426550A1 Methods and apparatus for applying torque and rotation to coupling members |
| 06/09/2004 | EP1425613A1 Downhole nmr processing |
| 06/09/2004 | CN2620081Y Side through type automatic slurry-irrigation sleeve float coupling |
| 06/09/2004 | CN2620080Y Heat washing well packer |
| 06/09/2004 | CN2620079Y Big internal diameter slip packer for combined central pipe |
| 06/09/2004 | CN2620078Y High-pressure fishing sealer |
| 06/09/2004 | CN2620075Y Oil well polish rod rolling centralising pressure storage sealer |
| 06/08/2004 | US6745845 Isolation of subterranean zones |
| 06/08/2004 | US6745842 Concentric casing jack |
| 06/08/2004 | US6745840 System for accessing oil wells with compliant guide and coiled tubing |
| 06/04/2004 | CA2449195A1 Method for managing the production of a well |
| 06/03/2004 | WO2004046589A2 Well stuffing box packing |
| 06/03/2004 | WO2004046504A1 Well treating process and system |
| 06/03/2004 | WO2004046500A1 Shear activated inflation fluid system for inflatable packers |
| 06/03/2004 | US20040104045 Cement heating tool for oil and gas well completion |
| 06/03/2004 | US20040104028 Method and device for sealing boreholes |
| 06/03/2004 | US20040104025 Non-rotating cement wiper plugs |
| 06/03/2004 | US20040104024 Flow completion apparatus |
| 06/03/2004 | DE69816743T2 Fiberoptische sensoren und ansteuervorrichtungen in bohrloechern Fiberoptic Sensors and Control devices in boreholes |
| 06/03/2004 | DE10251078B3 Abdichtungssystem für den Zwischenraum im Übergangsbereich zweier Brunnenrohre unterschiedlicher Durchmesser und Montagewerkzeug hierzu Sealing system for the gap in the transition region of two tubes of different diameter and fountain assembly tool for this purpose |
| 06/02/2004 | EP1423582A1 Assembly for drilling low pressure formation |
| 06/02/2004 | EP1165933B1 Wellbore packer |
| 06/02/2004 | CN2619052Y Packer water distribution device |
| 06/02/2004 | CN2619047Y Gas control wellhead blowout preventing box |
| 06/02/2004 | CN1500966A Apparatus and method for sampling an earth formation through a cased borehole |
| 06/01/2004 | US6742606 Method and apparatus for drilling and lining a wellbore |
| 06/01/2004 | US6742598 Method of expanding a sand screen |
| 06/01/2004 | US6742594 Flowline jumper for subsea well |
| 06/01/2004 | US6742591 Downhole apparatus |
| 06/01/2004 | US6742585 Sealing off openings through the wall of a well tubular |
| 05/27/2004 | WO2004044375A1 A method and apparatus for creating a cemented lateral junction system |
| 05/27/2004 | WO2004044368A2 Orientation system for a subsea well |
| 05/27/2004 | WO2004044367A2 Drilling and producing deep water subsea wells |
| 05/27/2004 | WO2004044366A2 Method and apparatus for varying the density of drilling fluids in deep water oil drilling applications |
| 05/27/2004 | US20040102069 Hydraulic connector |
| 05/27/2004 | US20040100858 Fluid mixing system |
| 05/27/2004 | US20040099423 Method and apparatus for expandable liner hanger with bypass |