| Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712) |
|---|
| 04/10/2007 | CA2090586C Physical data acquisition system and method for use in drilling process |
| 04/05/2007 | WO2007036722A1 Applications of low power bistable actuators downhole |
| 04/05/2007 | US20070074876 Apparatus for facilitating the connection of tubulars using a top drive |
| 04/05/2007 | US20070074867 Jar device |
| 04/04/2007 | CA2562568A1 Non-tubing deployed well artificial lift system |
| 04/03/2007 | US7198110 Two slip retrievable packer for extreme duty |
| 04/03/2007 | US7198100 Apparatus for expanding a tubular member |
| 04/03/2007 | CA2386294C Casing attachment method and apparatus |
| 04/03/2007 | CA2308180C Expandable downhole tubing |
| 03/29/2007 | WO2007035745A2 Well treatment device, method, and system |
| 03/29/2007 | WO2007035707A2 Well cement formulations for increased drilling hardness |
| 03/29/2007 | US20070068680 Deep set safety valve |
| 03/29/2007 | US20070068677 Casing bottom hole assembly retrieval process |
| 03/29/2007 | US20070068671 Expandable wellbore assembly |
| 03/29/2007 | CA2623100A1 Well treatment device, method, and system |
| 03/28/2007 | EP1767742A2 System and method for fail-safe disconnect from a subsea well |
| 03/28/2007 | EP1766180A2 Intervention rod |
| 03/28/2007 | CN2883655Y Reservoir protection anchor |
| 03/28/2007 | CN2883654Y Locking collar type disclocation device |
| 03/27/2007 | US7195083 Three dimensional steering system and method for steering bit to drill borehole |
| 03/27/2007 | US7195073 Expandable tieback |
| 03/27/2007 | US7195072 Installation of downhole electrical power cable and safety valve assembly |
| 03/27/2007 | US7195061 Apparatus for expanding a tubular member |
| 03/27/2007 | CA2168301C A downhole tool for assisting in separating and reconnecting well tubing |
| 03/22/2007 | WO2007033070A2 Method and system for evaluating task completion times to data |
| 03/22/2007 | WO2007033040A2 Method for evaluating rig data |
| 03/22/2007 | WO2007033024A2 Method and system for evaluating weight data from service rig |
| 03/22/2007 | WO2007033001A2 Method and system for setting and analyzing tubing target pressures for tongs |
| 03/22/2007 | WO2007016313A3 Ball dropping tool method and apparatus |
| 03/22/2007 | WO2006119037A3 Expandable packer with mounted exterior slips and seal |
| 03/22/2007 | WO2006074042A3 Well production optimizing system |
| 03/22/2007 | US20070062706 Downhole Tool Actuation Apparatus and Method |
| 03/22/2007 | US20070062689 Downhole trigger apparatus |
| 03/22/2007 | CA2621544A1 Method for determining block properties of a service rig by evaluating rig data |
| 03/21/2007 | CN2881069Y Prestressed well fixing ground anchor |
| 03/21/2007 | CA2560354A1 System, method, and apparatus for degassing tool for coal bed methane gas wells |
| 03/20/2007 | US7191841 Expansion pig |
| 03/20/2007 | US7191832 Gravel pack completion with fiber optic monitoring |
| 03/20/2007 | US7191829 Gripper assembly for downhole tools |
| 03/20/2007 | US7191828 Hydraulically set concentric packer with multiple umbilical bypass through the piston |
| 03/20/2007 | CA2537867C Apparatus and methods for separating and joining tubulars in a wellbore |
| 03/15/2007 | WO2007014086A3 Downhole trigger apparatus |
| 03/15/2007 | WO2006122071A3 Downhole tool |
| 03/15/2007 | WO2005118904A3 Case hardened stainless steel oilfield tool |
| 03/15/2007 | US20070056746 Method and system for evaluating weight data from a service rig |
| 03/15/2007 | US20070056744 Sealing tubing |
| 03/15/2007 | US20070056743 Method of radially expanding and plastically deforming tubular members |
| 03/14/2007 | EP1392953B1 Line hanger, running tool and method |
| 03/14/2007 | CN1304724C Device for performing a downhole operation in well formed in stratum |
| 03/13/2007 | USRE39509 Top entry sub arrangement |
| 03/13/2007 | US7188681 Tractor with improved valve system |
| 03/13/2007 | US7188672 Well string assembly |
| 03/13/2007 | CA2343095C In situ borehole sample analyzing probe and valved casing coupler therefor |
| 03/13/2007 | CA2295466C Lateral well tie-back method and apparatus |
| 03/08/2007 | WO2007027228A1 Slotted slip element for expandable packer |
| 03/08/2007 | WO2007026141A1 Improvements in or relating to esp completion systems |
| 03/08/2007 | WO2007026072A1 Safety device for an oil well and associated safety installation |
| 03/08/2007 | US20070051521 Retrievable frac packer |
| 03/08/2007 | US20070051520 Expansion system |
| 03/08/2007 | CA2616501A1 Safety device for an oil well and associated safety installation |
| 03/07/2007 | CN1924284A Device for staging actions prevention for underwell hydraulic tools |
| 03/06/2007 | US7185716 Electrically sequenced tractor |
| 03/06/2007 | US7185714 Traction control for downhole tractor |
| 03/06/2007 | US7185710 Mono-diameter wellbore casing |
| 03/06/2007 | US7185709 Expandable tubing and method |
| 03/06/2007 | US7185704 Service tool with flow diverter and associated method |
| 03/06/2007 | US7185701 Apparatus and method for radially expanding a tubular member |
| 03/06/2007 | US7185700 Separable plug for use with a wellbore tool |
| 03/01/2007 | WO2007003894A3 Wellbore cleaning method and apparatus |
| 03/01/2007 | WO2006020723A3 Radial expansion system |
| 03/01/2007 | WO2004081346A3 Apparatus for radially expanding and plastically deforming a tubular member |
| 03/01/2007 | US20070044954 Downhole motor locking assembly and method |
| 03/01/2007 | US20070044672 Methods and systems to activate downhole tools with light |
| 02/28/2007 | EP1756397A1 Plug setting and retrieving apparatus |
| 02/28/2007 | EP1756393A1 Valve seat |
| 02/27/2007 | US7182141 Expander tool for downhole use |
| 02/27/2007 | US7182134 Intelligent well system and method |
| 02/27/2007 | US7181821 Joining expandable tubulars |
| 02/27/2007 | CA2356194C Procedures and equipment for profiling and jointing of pipes |
| 02/22/2007 | WO2006079072B1 Method and apparatus for expanding a tubular member |
| 02/22/2007 | WO2006041842A3 Expansion pig |
| 02/22/2007 | US20070039742 Method and apparatus for coupling expandable tubular members |
| 02/21/2007 | CN2871812Y Packing loader of sealer at well opening |
| 02/20/2007 | US7178602 Method and device related to a retrievable well plug |
| 02/20/2007 | US7178601 Methods of and apparatus for casing a borehole |
| 02/20/2007 | US7178589 Thru tubing tool and method |
| 02/20/2007 | US7178588 Flexible cup for downhole devices |
| 02/20/2007 | CA2361456C Pressure compensated disconnect system and method |
| 02/20/2007 | CA2171358C Downhole tool actuating mechanism |
| 02/15/2007 | US20070034771 Hanging device for tool |
| 02/15/2007 | US20070034383 Apparatus and method for radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool |
| 02/15/2007 | US20070034371 Downhole actuation tool |
| 02/15/2007 | US20070034370 Downhole tool |
| 02/14/2007 | CN2869312Y Pumping unit maintenance safety device |
| 02/14/2007 | CN2869287Y Self-locking oil pipe discharge anchor |
| 02/13/2007 | US7174974 Electrically sequenced tractor |
| 02/13/2007 | US7174963 Device and a method for disconnecting a tool from a pipe string |
| 02/13/2007 | CA2359566C Hydraulic distributor |
| 02/13/2007 | CA2306736C Downhole packer system |
| 02/08/2007 | WO2007014465A1 Casing bottom hole assembly retrieval process |