| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
|---|
| 08/09/2000 | CN1055329C Single liquid method combined with two liquid method for water sealing in borehole |
| 08/08/2000 | US6098715 Flowline connection system |
| 08/08/2000 | US6098713 Methods of completing wells utilizing wellbore equipment positioning apparatus |
| 08/08/2000 | US6098709 Wellhead union with safety interlock |
| 08/06/2000 | CA2298298A1 Liner assembly and method of running the same |
| 08/03/2000 | WO2000045029A2 A method for setting a packer in a well bore, and a packer |
| 08/03/2000 | WO2000045024A2 Securing a well casing to a wellbore |
| 08/02/2000 | EP1024248A2 Cementing head |
| 08/02/2000 | EP1024154A2 Polymeric latexes with multivalent-ion stability, manufacture and use thereof |
| 08/02/2000 | EP1023523A1 Novel control system |
| 08/02/2000 | EP0820556B1 Cementing plug |
| 08/02/2000 | CA2260655A1 Wellhead production blowout preventer ram |
| 08/01/2000 | US6095246 Sand-bearing water-soluble stick and methods of use |
| 08/01/2000 | US6095243 Washout arrangement for a well |
| 08/01/2000 | US6095242 Casing hanger |
| 08/01/2000 | US6095241 Coupling device for a drive assembly |
| 08/01/2000 | CA2195118C Blowout preventer protector and method of using same during high pressure oil and gas well stimulation |
| 08/01/2000 | CA2002881C Marine casing suspension apparatus |
| 08/01/2000 | CA2002734C Subsea wellhead with annulus monitoring system |
| 07/27/2000 | WO2000043812A1 Focused formation fluid sampling probe |
| 07/27/2000 | WO2000043632A2 System with a compliant guide and method for inserting a coiled tubing into an oil well |
| 07/26/2000 | EP1021638A1 An apparatus and a method for launching plugs |
| 07/26/2000 | EP1021637A1 Slimbore subsea completion system and method |
| 07/25/2000 | US6092596 Clamping well casings |
| 07/25/2000 | US6092594 Device for making or regenerating a water well |
| 07/25/2000 | CA2118335C Apparatus and method for completing and recompleting wells for production |
| 07/20/2000 | WO2000011379A8 Spring compression seal |
| 07/20/2000 | WO2000003600A3 Improved tubing handling for subsea oilfield tubing operations |
| 07/19/2000 | EP1019614A1 Casing filling and circulating apparatus |
| 07/19/2000 | EP1019613A1 Downhole packer |
| 07/19/2000 | EP0836751B1 Thermoelectric generator |
| 07/19/2000 | CN2388346Y Multi-string locking and releasing mechanism for downhole tool |
| 07/19/2000 | CN2388345Y Pumping wellhead polish rod packer |
| 07/19/2000 | CN2388344Y Flexible centering polish rod packer |
| 07/18/2000 | US6089526 Ram type blowout preventor |
| 07/18/2000 | US6089321 Pressure balanced choke and kill line connector |
| 07/18/2000 | CA2081973C Multiplexed electrohydraulic type of control system for use in undersea production system |
| 07/12/2000 | EP0842348B1 Inflatable tubular sleeve for tubing or obturating a well or a pipe |
| 07/12/2000 | CN2387260Y Position cement pouring joint |
| 07/12/2000 | CN2387259Y Oil field heat extracting packer |
| 07/12/2000 | CN2387258Y Giving up appts. for double enclosed tail pipe well completion pipe column |
| 07/11/2000 | US6085845 Surface controlled formation isolation valve adapted for deployment of a desired length of a tool string in a wellbore |
| 07/11/2000 | US6085842 Method of treating an underground formation |
| 07/11/2000 | US6085838 Method and apparatus for cementing a well |
| 07/11/2000 | CA2147900C Method for inserting a wireline inside a coiled tubing |
| 07/05/2000 | EP1015729A1 Connection of tubulars using a top drive |
| 07/05/2000 | EP1015184A1 Granular particle gripping surface |
| 07/05/2000 | EP1012443A4 Subsurface measurement apparatus, system, and process for improved well drilling, control, and production |
| 07/05/2000 | CN2386190Y Technology tubular column for abandonment well |
| 07/05/2000 | CN2386189Y Self-sealing water-stoppage packer |
| 07/05/2000 | CN2386188Y Packer for slicing and well washing |
| 07/05/2000 | CN2386187Y Oil production wellhead anti-theft device |
| 07/04/2000 | US6082460 Apparatus and method for controlling hydraulic control fluid circuitry for a tubing hanger |
| 07/04/2000 | US6082454 Spooled coiled tubing strings for use in wellbores |
| 07/04/2000 | US6082451 Wellbore shoe joints and cementing systems |
| 06/29/2000 | WO2000037773A1 Downhole sealing for production tubing |
| 06/29/2000 | WO2000037772A1 Tubing anchor |
| 06/29/2000 | WO2000037771A1 Drilling method |
| 06/29/2000 | WO2000037769A1 Device by tools for setting of a production packer |
| 06/29/2000 | WO2000037768A1 Method and apparatus for expanding a liner patch |
| 06/29/2000 | WO2000037767A2 Profile formation |
| 06/29/2000 | WO2000037766A2 Procedures and equipment for profiling and jointing of pipes |
| 06/29/2000 | WO2000015944A3 Plug and plug set for use in wellbore |
| 06/29/2000 | CA2686423A1 Method and apparatus for drilling and lining a wellbore |
| 06/29/2000 | CA2646563A1 Tubing anchor |
| 06/29/2000 | CA2565202A1 Downhole sealing for production tubing |
| 06/28/2000 | EP1012443A1 Subsurface measurement apparatus, system, and process for improved well drilling, control, and production |
| 06/28/2000 | EP1012442A2 A plug for use in wellbore operations, an apparatus for receiving said plug, a plug landing system and a method for cementing tubulars in a wellbore |
| 06/28/2000 | EP1000219A4 A method of injecting drilling waste into a well while drilling |
| 06/28/2000 | CN2385079Y Drillable casing automatic fill-up float shoe |
| 06/28/2000 | CN2385078Y Hanging double sealing check valve |
| 06/28/2000 | CN2385077Y New type blowout preventer box |
| 06/27/2000 | CA2166265C Method and apparatus for preventing environmental contamination due to fluid leakage from a wellhead |
| 06/22/2000 | WO2000009855A9 Hydraulic well control system |
| 06/21/2000 | CN2383970Y Drilling bridging plug |
| 06/21/2000 | CN2383969Y Compressed cyanogen coagulation packer, water-stopping and filling tubular column |
| 06/21/2000 | CN2383968Y Chemical water-stopping artistic tubular column for use in thick oil pay |
| 06/21/2000 | CN2383967Y Arc bidirectional slip mechanism |
| 06/20/2000 | US6076605 Horizontal tree block for subsea wellhead and completion method |
| 06/20/2000 | US6076600 Plug apparatus having a dispersible plug member and a fluid barrier |
| 06/20/2000 | US6076398 Method for measuring of flow and flowmeter |
| 06/15/2000 | WO2000034622A1 Downhole tool detection means |
| 06/15/2000 | WO2000034621A2 High load, thin slip system |
| 06/15/2000 | WO2000034619A1 Deep ocean drilling method |
| 06/15/2000 | WO2000034618A1 Deep ocean drilling system |
| 06/15/2000 | WO2000034412A1 Agent and method for sealing or consolidating rock, loose rock or soils, especially bore holes |
| 06/15/2000 | DE19856729A1 Repairlösung zur Abdichtung von Bohrlöchern Repair solution for sealing of wells |
| 06/15/2000 | CA2353859A1 Agent and method for sealing or consolidating rock, loose rock or soils, especially boreholes |
| 06/14/2000 | EP0880638B1 Method and apparatus for use in inflating packer in well bore |
| 06/14/2000 | CN2382857Y Automatic anchoring pipe pile of oil pumping well pipeline |
| 06/13/2000 | US6073694 Plug placement method |
| 06/13/2000 | US6073692 Expanding mandrel inflatable packer |
| 06/13/2000 | CA2179184C Whipstock apparatus and methods of use |
| 06/07/2000 | EP1006258A2 Plug apparatus for use in a subterranean well |
| 06/07/2000 | EP0900320A4 System and method for placement and retrieval of a subsurface diverting tool used in drilling and completing wells |
| 06/07/2000 | CN2381773Y Sealer for joint polished sucker rod |
| 06/07/2000 | CN2381772Y Pressure releasing casing cap against theft |
| 06/06/2000 | USRE36723 Spoolable coiled tubing completion system |
| 06/06/2000 | US6070669 Adjustable wellhead connector |
| 06/06/2000 | US6070668 Blowout preventer spanner joint with emergency disconnect capability |