| Patents for E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables (17,198) |
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| 05/26/2006 | WO2006014544A3 Wellhead hold-down apparatus and method |
| 05/25/2006 | US20060108568 Power driven tree stand |
| 05/25/2006 | US20060108126 Gas-pressurized lubricator |
| 05/25/2006 | US20060108124 Casing alignment tool |
| 05/25/2006 | US20060108122 Top feed of control lines to a reciprocating spider |
| 05/25/2006 | US20060108121 Riser tensioner with lubricant reservoir |
| 05/24/2006 | EP1659258A2 Top drive for casing connection |
| 05/24/2006 | EP1658415A1 A drilling device with a telescopic arm |
| 05/24/2006 | EP1266124B1 Arrangement for determining position of unmanned mining vehicles |
| 05/24/2006 | CN1777733A Telescopic feed beam for rock drill and method of measuring rock drill travel |
| 05/24/2006 | CN1777532A Riser pipe support system and method |
| 05/23/2006 | CA2421734C Check enhancer |
| 05/18/2006 | WO2006014417A3 Coiled tubing with dual member drill string |
| 05/18/2006 | US20060104747 Pipe racking system |
| 05/18/2006 | US20060104746 Height-adjustable pipe pick-up and laydown machine |
| 05/18/2006 | US20060102356 Device and a method for well intervention |
| 05/18/2006 | US20060102337 Heavy-load landing string system |
| 05/18/2006 | US20060102043 Overhead material handling system and track block |
| 05/17/2006 | EP1611311A4 System and method for treating drilling mud in oil and gas well drilling applications |
| 05/17/2006 | EP1328700B1 Drilling tool |
| 05/17/2006 | EP1274917B1 Rock drilling rig |
| 05/17/2006 | EP1266119B1 Method and apparatus for handling tubular goods |
| 05/17/2006 | EP1264067B1 Foundation for suction in installation of conductor casing |
| 05/17/2006 | CN2780976Y Reducing casing hanger |
| 05/17/2006 | CN2780402Y Hydraulic gear shift device of tightening machine |
| 05/16/2006 | US7044239 System and method for automatic drilling to maintain equivalent circulating density at a preferred value |
| 05/16/2006 | US7044232 Well apparatus connection assembly |
| 05/16/2006 | US7044231 Expandable packer with anchoring feature |
| 05/16/2006 | US7044217 Stuffing box for progressing cavity pump drive |
| 05/16/2006 | US7044216 Large diameter flush-joint pipe handling system |
| 05/16/2006 | US7043814 Method for aligning tubulars |
| 05/16/2006 | CA2486896A1 Methods and apparatus for inserting and/or extracting pipe and/or tools during underbalanced drilling operations |
| 05/16/2006 | CA2366116C Tong |
| 05/16/2006 | CA2274650C Apparatus and method for improved tubular grip assurance |
| 05/16/2006 | CA2215505C An arrangement in a feed beam of a rock drill |
| 05/11/2006 | WO2006050378A2 Ram bop shear device |
| 05/11/2006 | WO2006047892A1 Wellbore tubular handling torque multiplier |
| 05/11/2006 | WO2005033907A3 Activity data capture system for a well service vehicle |
| 05/11/2006 | US20060096783 Method and apparatus for slant drilling |
| 05/11/2006 | US20060096762 Mono-diameter wellbore casing |
| 05/11/2006 | US20060096761 Slip on screen with expanded base pipe |
| 05/11/2006 | US20060096754 Apparatus and method for injecting tubing into a well |
| 05/11/2006 | US20060096751 Top drive assembly |
| 05/11/2006 | CA2586914A1 Wellbore tubular handling torque multiplier |
| 05/10/2006 | EP1601959A4 Apparatus and method for determining the position of the end of a threaded connection, and for positioning a power tong relative thereto |
| 05/10/2006 | EP1295010B1 Method of opening joints between drilling components, and rock drill |
| 05/10/2006 | CN2779042Y Ferromagnetic elevator pin |
| 05/10/2006 | CN2779041Y Ferromagnetic tubing elevator |
| 05/09/2006 | US7040602 Stake puller |
| 05/09/2006 | US7040412 Adjustable hanger system and method |
| 05/09/2006 | US7040411 BOP handling system |
| 05/09/2006 | US7040410 Adapters for double-locking casing mandrel and method of using same |
| 05/09/2006 | US7040238 Overhead material handling system and track block |
| 05/09/2006 | CA2487218A1 Top drive assembly |
| 05/09/2006 | CA2372075C Apparatus and method for aligning tubulars |
| 05/04/2006 | WO2006045134A1 Device for guiding and tensioning supply lines |
| 05/04/2006 | WO2005121493A3 Top drive |
| 05/04/2006 | US20060090902 Protective sleeve for threaded connections for expandable liner hanger |
| 05/04/2006 | US20060090901 Arm for moving flexible lines at a well site |
| 05/04/2006 | US20060090899 Ram BOP shear device |
| 05/03/2006 | CN2777180Y Automatic tightening type anti-pushing-up slips |
| 05/03/2006 | CN2777179Y Anti-escaped mule-head hanger |
| 05/03/2006 | CN2777178Y Compensation type mule-head hanger |
| 05/02/2006 | US7036601 Apparatus and method for transporting, deploying, and retrieving arrays having nodes interconnected by sections of cable |
| 05/02/2006 | US7036598 Intervention module for a well |
| 05/02/2006 | US7036578 Tubing guide and coiled tubing injector |
| 05/02/2006 | US7036397 Granular particle gripping surface |
| 05/02/2006 | US7036396 Drill pipe spinner device |
| 05/02/2006 | US7036202 Apparatus and method for handling of tubulars |
| 05/02/2006 | CA2198689C Method and apparatus for establishing branch wells at a node of a parent well |
| 05/02/2006 | CA2198236C Arrangement for mounting swing cylinders in boom for rock drilling unit |
| 04/27/2006 | WO2006044848A2 Pivoting pipe handler for off-line make up of drill pipe joints |
| 04/27/2006 | WO2006044384A2 Vertically folding service arm for a movable platform offshore drilling or servicing rig |
| 04/27/2006 | US20060086514 Hand power tool, in particular drilling screwdriver |
| 04/27/2006 | US20060086508 Placing fiber optic sensor line |
| 04/26/2006 | EP1650399A1 Device for screwing together rod-shaped elements |
| 04/26/2006 | EP1540131A4 "top drive swivel apparatus and method" |
| 04/26/2006 | CN2775285Y Motor sliding sleeve structure device |
| 04/26/2006 | CN2775284Y Single tube rotary arm drilling rod connecting and exchanging device |
| 04/26/2006 | CN2775283Y Parallel oriented drill rig drill rod box with crane latch device |
| 04/26/2006 | CN2775282Y Pipe stacking device in order |
| 04/25/2006 | US7032691 Underbalanced well drilling and production |
| 04/25/2006 | US7032690 Apparatus and method for visually detecting wear to insert bowls, bushings, and spiders |
| 04/25/2006 | US7032684 Method of opening joints between drilling components, and rock drill |
| 04/25/2006 | US7032679 Tie back and method for use with expandable tubulars |
| 04/25/2006 | US7032678 Horseshoe shaped elevator and method for using same |
| 04/25/2006 | US7032676 Well string injection system and method |
| 04/20/2006 | WO2006041820A2 Modular pressure control and drilling waste management apparatus for subterranean borehole operations |
| 04/20/2006 | US20060081400 System and method for relocating extended length objects |
| 04/20/2006 | US20060081379 Pivoting pipe handler for off-line make up of drill pipe joints |
| 04/20/2006 | US20060081377 Motor cooler for submersible pump |
| 04/20/2006 | US20060081368 Tubing injector for variable diameter tubing |
| 04/20/2006 | DE10104337B4 Gestängewechseleinrichtung für Horizontalbohrgeräte Linkage changing device for horizontal drilling |
| 04/19/2006 | EP1407112B1 Method for producing earth boreholes |
| 04/19/2006 | EP1246998B1 Horizontal pipe handling device |
| 04/19/2006 | CN1761601A Water intake riser |
| 04/18/2006 | US7028787 Tong for wellbore operations |
| 04/18/2006 | US7028781 Deep-well, continuous-coiled-tubing apparatus and method of use |
| 04/18/2006 | US7028779 Auto-extending/retracting electrically isolated conductors in a segmented drill string |
| 04/18/2006 | US7028586 Apparatus and method relating to tongs, continous circulation and to safety slips |