| 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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| 02/28/1984 | CA1162910A1 Automatic roof bolting drill retention apparatus |
| 02/21/1984 | US4432532 Direct drive dual drum winch |
| 02/21/1984 | US4432420 Riser tensioner safety system |
| 02/16/1984 | WO1984000575A1 An attachment for a powered tool |
| 02/14/1984 | US4431069 Method and apparatus for forming and using a bore hole |
| 02/14/1984 | US4431067 Wireline protector with clamping mechanism |
| 02/14/1984 | US4431063 Drive mechanism for drill |
| 02/08/1984 | EP0100259A1 Snap action device for tubes or casings, especially for offshore drilling |
| 02/07/1984 | US4429753 Rotary pull down pull up drive for drill pipes |
| 02/07/1984 | US4429742 Tubular alignment assembly |
| 01/31/1984 | US4428433 Telescopic joint upper tube retainer method |
| 01/31/1984 | US4428421 Wireline winch mounting system |
| 01/31/1984 | CA1161427A1 Tubular handling apparatus |
| 01/25/1984 | EP0099293A2 Locking process and device for threaded joints |
| 01/17/1984 | US4426182 Tubular handling apparatus |
| 01/17/1984 | US4425827 Suspension of pipe spinner |
| 01/10/1984 | US4424887 Brake unit |
| 01/10/1984 | CA1160152A1 Multiline riser support and connection system and method for subsea wells |
| 01/03/1984 | US4423994 Drilling rig equipped with pairs of block and tackle systems |
| 01/03/1984 | US4423983 For conducting well fluids between subsea manifold and floating platform |
| 01/03/1984 | US4423774 In a well tool |
| 01/03/1984 | US4423648 Pipe alignment tool |
| 01/03/1984 | US4423647 Pipe alignment apparatus and method |
| 01/03/1984 | US4423645 Pipe spinner |
| 12/27/1983 | CA1159442A1 Dual-wall drill pipe |
| 12/20/1983 | US4421447 Elevator transfer and support system |
| 12/20/1983 | US4421179 Top drive well drilling apparatus |
| 12/20/1983 | US4421175 Method of drilling and casing a well |
| 12/20/1983 | US4421173 Motion compensator with improved position indicator |
| 12/20/1983 | CA1158873A1 Emergency cable gripper |
| 12/06/1983 | CA1158228A1 Slip-type elevator locking mechanism |
| 11/29/1983 | US4417846 Traveling block elevator latch assembly |
| 11/29/1983 | US4417628 Earth boring apparatus |
| 11/29/1983 | US4417624 Method and apparatus for controlling the flow of fluids from an open well bore |
| 11/23/1983 | EP0094509A2 Coupling for tubing or casing and method of assembly |
| 11/22/1983 | US4416329 Oil well setup and pumping apparatus |
| 11/15/1983 | US4415193 Slip setting ring |
| 11/15/1983 | CA1157007A1 Well drilling apparatus |
| 11/08/1983 | US4413925 Independently balanced support plates |
| 11/08/1983 | US4413387 Drilling apparatus |
| 11/02/1983 | EP0093067A2 Beam type racking system |
| 11/02/1983 | EP0092800A1 Apparatus for drilling planting holes |
| 11/01/1983 | CA1156214A2 Bowl and slips assembly with improved slip inserts |
| 11/01/1983 | CA1156213A1 Bowl and slips assembly with improved slip inserts |
| 10/25/1983 | CA1155832A1 Reversing mechanism for the direction of rotation in a drilling apparatus |
| 10/18/1983 | US4410210 Retaining grippers |
| 10/18/1983 | US4410044 Method for orienting well casing and other tubular work objects and device therefor |
| 10/13/1983 | WO1983003443A1 Improvements in and relating to casing stabbing tools |
| 10/11/1983 | CA1155106A1 Tubular handling system for oil drilling rigs |
| 10/04/1983 | US4407629 Lifting apparatus for down-hole tubulars |
| 10/04/1983 | US4407373 Collapsible pedestal for drilling apparatus |
| 09/28/1983 | EP0089599A1 Handling device for drilling rods |
| 09/20/1983 | US4405022 Tubular handling system for oil drilling rigs |
| 09/20/1983 | US4404876 Power tongs |
| 09/15/1983 | WO1983003118A1 Pipe handling machine |
| 09/14/1983 | EP0088608A2 Marine riser tensioner |
| 09/13/1983 | US4403898 Pipe pick-up and laydown machine |
| 09/13/1983 | US4403897 Self-centering clamp for down-hole tubulars |
| 09/13/1983 | US4403884 Wire assemblies for repetitive, continuous cycle, tensile load conditions, particularly sucker rods for oil wells |
| 09/13/1983 | US4403698 Rod storage rack |
| 09/13/1983 | US4403666 Self centering tongs and transfer arm for drilling apparatus |
| 09/13/1983 | US4403658 Multiline riser support and connection system and method for subsea wells |
| 09/13/1983 | US4403655 Draw works disabling device for use with a well drilling apparatus |
| 09/07/1983 | EP0087922A2 Multiterminators for riser pipes |
| 09/07/1983 | EP0087917A1 Drilling apparatus |
| 09/06/1983 | US4402557 Drill steel centralizer |
| 09/06/1983 | US4402371 Rotatable drilling head |
| 09/06/1983 | US4402239 Back-up power tongs and method |
| 09/06/1983 | CA1153320A1 Brake unit |
| 08/31/1983 | EP0087373A1 Method and device for assuring a correct make-up of a tubular-threaded connection having a screw-limiting stop |
| 08/30/1983 | US4402052 Apparatus for making threaded joints incorporating a make-up speed controller |
| 08/30/1983 | US4401398 Support structure for mudline suspension wellhead |
| 08/30/1983 | US4401000 Tong assembly |
| 08/23/1983 | US4399876 Reversing mechanism for the direction of rotation in a drilling apparatus |
| 08/16/1983 | US4398598 Break-out tool for annular type blow-out preventers |
| 08/16/1983 | US4398360 Pole excavating device |
| 08/09/1983 | US4397605 Mechanized stand handling apparatus for drilling rigs |
| 08/09/1983 | CA1151638A1 Link engaging pipe elevator |
| 08/02/1983 | US4396216 Link engaging pipe elevator |
| 08/02/1983 | US4396072 Method and apparatus for producing a drill hole |
| 08/02/1983 | CA1151145A2 Rod break-out and make-up tool |
| 08/02/1983 | CA1151144A1 Pipe handling method and apparatus |
| 08/02/1983 | CA1151143A1 Well servicing rig |
| 07/26/1983 | US4395163 Mining appliance |
| 07/26/1983 | US4395160 Tensioning system for marine risers and guidelines |
| 07/26/1983 | CA1150718A2 Pivoting foot clamp and mounting frame |
| 07/26/1983 | CA1150521A1 Drive jaws for an underground pipe installer device |
| 07/26/1983 | CA1150520A1 Drive jaws for an underground pipe installer device |
| 07/20/1983 | EP0083899A1 Electrohydraulic control device for boring tools |
| 07/19/1983 | CA1150234A1 Back-up power tongs and method |
| 07/12/1983 | US4392744 Method of and apparatus for determining angular and transversal displacements of shield machine and succeeding pipe |
| 07/12/1983 | US4392676 Hose handling device |
| 06/28/1983 | US4390315 Fire fighting boom assembly for service vessel |
| 06/28/1983 | US4390162 Infinitely variable crown block positioning |
| 06/28/1983 | US4389760 Well slip unit |
| 06/22/1983 | EP0082099A2 Power tong and jaw apparatus |
| 06/22/1983 | EP0082098A2 Power tong unit, especially for gripping a pipe |
| 06/07/1983 | US4386883 Materials lifting apparatus |
| 06/07/1983 | CA1147719A1 Pipe gripping head |
| 05/31/1983 | US4385578 Placement and retrieval barge for off-shore well drilling |