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Class Information
Number: 175/423
Name: Boring or penetrating the earth > Wedging slip assembly for supporting a pipe or rod
Description: Subject matter wherein a tapered clasping structure, when lowered into an opening in a separate hole drilling related structure, e.g., a spider or rotary table, is cammed into gripping and suspending engagement with a drilling tube or stem passing through the opening.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7419000 |
Apparatus and method for securing pipes |
Sep. 2, 2008 |
| 7419008 |
Power slip |
Sep. 2, 2008 |
| 7395855 |
Radially moving slips |
Jul. 8, 2008 |
| 7392864 |
Slip spool assembly and method of using same |
Jul. 1, 2008 |
| 7337861 |
Method and a device for preventing pipeskidding |
Mar. 4, 2008 |
| 7293618 |
Power slip for drillpipe |
Nov. 13, 2007 |
| 7267168 |
Spider with discrete die supports |
Sep. 11, 2007 |
| 7252161 |
Method and apparatus with slips assembly for coupling tubulars without interruption of circulation |
Aug. 7, 2007 |
| 7231984 |
Gripping insert and method of gripping a tubular |
Jun. 19, 2007 |
| 7228913 |
Tubular clamp apparatus for top drives and methods of use |
Jun. 12, 2007 |
| 7191840 |
Casing running and drilling system |
Mar. 20, 2007 |
| 7152674 |
Disconnect devices |
Dec. 26, 2006 |
| 7143849 |
Flush mounted spider |
Dec. 5, 2006 |
| 7134531 |
Heavy load carry slips and method |
Nov. 14, 2006 |
| 7125195 |
Locking means for an insert |
Oct. 24, 2006 |
| 7111676 |
Pipe centering device |
Sep. 26, 2006 |
| 7082991 |
Slip spring with heel notch |
Aug. 1, 2006 |
| 7036578 |
Tubing guide and coiled tubing injector |
May. 2, 2006 |
| 7032690 |
Apparatus and method for visually detecting wear to insert bowls, bushings, and spiders |
Apr. 25, 2006 |
| 6994176 |
Adjustable rotating guides for spider or elevator |
Feb. 7, 2006 |
| 6976534 |
Slip element for use with a downhole tool and a method of manufacturing same |
Dec. 20, 2005 |
| 6962205 |
Subsea wellhead landing clamp and slip bowl assembly |
Nov. 8, 2005 |
| 6948575 |
Slip manipulating apparatus |
Sep. 27, 2005 |
| 6915868 |
Elevator apparatus and method for running well bore tubing |
Jul. 12, 2005 |
| 6892835 |
Flush mounted spider |
May. 17, 2005 |
| 6848520 |
Bushing for a drilling rig |
Feb. 1, 2005 |
| 6845814 |
Pipe-gripping structure having load rings |
Jan. 25, 2005 |
| 6820705 |
Friction support assembly for a slip bowl |
Nov. 23, 2004 |
| 6732822 |
Method and apparatus for handling tubular goods |
May. 11, 2004 |
| 6640939 |
Snubbing unit with improved slip assembly |
Nov. 4, 2003 |
| 6516889 |
High-load big bore lock |
Feb. 11, 2003 |
| 6450385 |
Clamping ring in particular for oil duct |
Sep. 17, 2002 |
| 6394201 |
Tubing spider |
May. 28, 2002 |
| 6302410 |
Rod gripping jaw |
Oct. 16, 2001 |
| 6089338 |
Flush mounted self aligning spider |
Jul. 18, 2000 |
| 6079509 |
Pipe die method and apparatus |
Jun. 27, 2000 |
| 5984007 |
Chip resistant buttons for downhole tools having slip elements |
Nov. 16, 1999 |
| 5971086 |
Pipe gripping die |
Oct. 26, 1999 |
| 5860478 |
Sub-sea test tree apparatus |
Jan. 19, 1999 |
| 5848647 |
Pipe gripping apparatus |
Dec. 15, 1998 |
| 5609226 |
Slip-type gripping assembly |
Mar. 11, 1997 |
| 5484040 |
Slip-type gripping assembly |
Jan. 16, 1996 |
| 5452923 |
Coiled tubing connector |
Sep. 26, 1995 |
| 5451084 |
Insert for use in slips |
Sep. 19, 1995 |
| 5335756 |
Slip-type gripping assembly |
Aug. 9, 1994 |
| 5265683 |
Floor drive drilling system |
Nov. 30, 1993 |
| 5174397 |
Slip gripping mechanism |
Dec. 29, 1992 |
| 5172776 |
Diamond drill chuck jaw carrier and assembly |
Dec. 22, 1992 |
| 5042601 |
Triple tool with sliding spider bowl |
Aug. 27, 1991 |
| 5028079 |
Non-crushing wellhead |
Jul. 2, 1991 |
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