| Patents for E21B 23 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells (12,712) |
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| 10/21/2004 | WO2004026500A9 Self-lubricating expansion mandrel for expandable tubular |
| 10/21/2004 | US20040206513 Sand control for blanking plug |
| 10/21/2004 | CA2523500A1 Apparatus for radially expanding and plastically deforming a tubular member |
| 10/20/2004 | EP1161615B1 Fluid controlled adjustable down-hole tool |
| 10/20/2004 | EP1015729B1 Connection of tubulars using a top drive |
| 10/19/2004 | CA2227057C Downhole anchor |
| 10/19/2004 | CA2090294C Method and device for intermittent electrical connection with a fixed position tool within a well |
| 10/14/2004 | WO2004088091A1 Downhole tool |
| 10/14/2004 | WO2004088089A1 Drifting tubing |
| 10/14/2004 | WO2004011776A3 Method of forming a mono diameter wellbore casing |
| 10/14/2004 | WO2003071086B1 Mono-diameter wellbore casing |
| 10/13/2004 | EP1467059A2 Method and apparatus for completing wells with lateral branches |
| 10/13/2004 | EP1466069A2 Downhole assembly releasable connection |
| 10/13/2004 | CN2648044Y Mechanical type hydraulic oil pipe anchor |
| 10/13/2004 | CN2648043Y Force anchor preventing blocking water |
| 10/13/2004 | CN2648042Y Special tool for changing packing of packing casing with dual wing |
| 10/07/2004 | WO2004023014A9 Threaded connection for expandable tubulars |
| 10/07/2004 | US20040194972 Tubular expansion fluid production assembly and method |
| 10/07/2004 | US20040194956 Sonde |
| 10/07/2004 | US20040194954 Hydraulically set liner hanger |
| 10/07/2004 | US20040194914 Bottom member and heat loops |
| 10/06/2004 | EP1190158B1 Hydraulic setting tool |
| 10/05/2004 | US6799637 Expandable tubing and method |
| 10/05/2004 | US6799633 Dockable direct mechanical actuator for downhole tools and method |
| 10/05/2004 | CA2237321C A sleeve for orientating a tool |
| 09/30/2004 | WO2004083595A2 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons |
| 09/30/2004 | WO2004083594A2 Apparatus and method radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool |
| 09/30/2004 | WO2004083592A2 Apparatus and method for running a radially expandable tubular member |
| 09/30/2004 | WO2004083591A2 Apparatus and method for radially expanding a wellbore casing using an adaptive expansion system |
| 09/30/2004 | WO2004027200B1 Bottom plug for forming a mono diameter wellbore casing |
| 09/30/2004 | US20040188097 Non-seize material attachment for a drill slip system |
| 09/30/2004 | CA2518453A1 Apparatus and method for radially expanding a wellbore casing using an adaptive expansion system |
| 09/30/2004 | CA2517524A1 Apparatus and method for radially expanding a wellbore casing using an expansion mandrel and a rotary expansion tool |
| 09/28/2004 | US6796380 High expansion anchor system |
| 09/28/2004 | CA2315170C Isolation system for two producing formations |
| 09/23/2004 | WO2003078785B1 Collapsible expansion cone |
| 09/23/2004 | US20040183692 Control apparatus for automated downhole tools |
| 09/23/2004 | US20040182583 Expandable packer with anchoring feature |
| 09/23/2004 | US20040182581 Expandable tubing and method |
| 09/23/2004 | US20040182580 Puller-thruster downhole tool |
| 09/22/2004 | EP1460234A1 A device and a method for disconnecting a tool from a pipe string |
| 09/16/2004 | WO2004079151A2 Drilling with casing latch |
| 09/16/2004 | WO2004018823B1 Interposed joint sealing layer method of forming a wellbore casing |
| 09/16/2004 | WO2003023178B1 Adjustable expansion cone assembly |
| 09/16/2004 | US20040177970 Downhole latch |
| 09/16/2004 | US20040177959 Expandanble tubing and method |
| 09/16/2004 | US20040177951 Sand removal and device retrieval tool |
| 09/16/2004 | DE10297287T5 Richtkeil für ein Futterrohr Whipstock for a liner |
| 09/15/2004 | EP1133617B1 Wellbore system including a conduit and an expandable device |
| 09/15/2004 | CN2641266Y Eccentric oil pipe anchor |
| 09/14/2004 | USRE38578 Method and apparatus for cementing a well |
| 09/14/2004 | US6789623 Method and apparatus for open hole gravel packing |
| 09/14/2004 | US6789621 Intelligent well system and method |
| 09/10/2004 | WO2004076802A1 System and method for running a control line |
| 09/10/2004 | WO2004076798A2 Apparatus for radially expanding and plastically deforming a tubular member |
| 09/10/2004 | WO2004076797A2 Method and apparatus to complete a well having tubing inserted through a valve |
| 09/10/2004 | WO2003058022B1 Seal receptacle using expandable liner hanger |
| 09/10/2004 | CA2641567A1 Method and apparatus to complete a well having tubing inserted through a valve |
| 09/09/2004 | US20040173381 Three-dimensional steering tool for controlled downhole extended-reach directional drilling |
| 09/09/2004 | US20040173355 Apparatus and methods for expanding tubulars in a wellbore |
| 09/09/2004 | US20040173350 Intelligent well system and method |
| 09/09/2004 | US20040173348 Casing adapter tool for well servicing |
| 09/08/2004 | CN2639513Y Multifunction spanner special for wellhead of producing well |
| 09/08/2004 | CN2639508Y Hydraulic tubing anchor |
| 09/07/2004 | US6787758 Wellbores utilizing fiber optic-based sensors and operating devices |
| 09/07/2004 | US6786283 Methods and associated apparatus for drilling and completing a wellbore junction |
| 09/02/2004 | WO2004074621A2 System and method for maintaining zonal isolation in a wellbore |
| 09/02/2004 | WO2004001177A3 Dockable direct mechanical actuator for downhole tools and method |
| 09/02/2004 | US20040168832 Adjustable downhole tool |
| 09/02/2004 | US20040168828 Tractor with improved valve system |
| 09/02/2004 | US20040168812 Platform for delivery of downhole tools |
| 09/01/2004 | EP1082516B1 System and method for deploying a plurality of tools into a subterranean well |
| 09/01/2004 | EP1032748B1 Flexible sinker bar assemblies |
| 09/01/2004 | CN2637710Y High officiency oil pump machine polish rod clamp |
| 08/31/2004 | US6782954 Open hole straddle tool |
| 08/31/2004 | US6782953 Tie back and method for use with expandable tubulars |
| 08/26/2004 | WO2004072437A1 Downhole tool |
| 08/26/2004 | WO2004072433A2 Downhole tractor with improved valve system |
| 08/26/2004 | WO2003042487B1 Mono diameter wellbore casing |
| 08/26/2004 | US20040163816 Sub mudline abandonment connector |
| 08/26/2004 | US20040163805 Method and apparatus to complete a well having tubing inserted through a valve |
| 08/26/2004 | US20040163801 Heater Cable and method for manufacturing |
| 08/26/2004 | CA2515482A1 Tractor with improved valve system |
| 08/26/2004 | CA2514534A1 A downhole tool with an axial drive unit |
| 08/25/2004 | EP1252440A4 Controlling activation of devices |
| 08/25/2004 | CN2635894Y Anchor for oil pipe |
| 08/24/2004 | US6779598 Swivel and eccentric weight to orient a roller sub |
| 08/24/2004 | CA2278080C Formation pressure measurement with remote sensors in cased hole |
| 08/24/2004 | CA2191410C Thru tubing bridge plug and method |
| 08/19/2004 | WO2004070162A1 Tubular deployment tool and method of use |
| 08/19/2004 | WO2003067018A3 Well system |
| 08/19/2004 | US20040159444 Method and apparatus to facilitate wet or dry control line connection for the downhole environment |
| 08/18/2004 | EP0977931B1 Multizone production monitoring system |
| 08/18/2004 | CN2634102Y Flange type insulation oilpipe suspending device |
| 08/17/2004 | US6776240 Downhole valve |
| 08/17/2004 | US6776239 Tubing conveyed fracturing tool and method |
| 08/17/2004 | CA2239417C Method for isolating hydrocarbon-containing formations intersected by a well drilled for the purpose of producing hydrocarbons therethrough |
| 08/17/2004 | CA2239416C Method of communicating data through a slickline or other single cable suspension element |
| 08/17/2004 | CA2233437C Apparatus for early evaluation formation testing |
| 08/17/2004 | CA2206806C Formation evaluation tool and method for use of the same |