| Patent Number |
Title Of Patent |
Date Issued |
| 7370698 |
Method and apparatus for transferring rig weight to tubulars |
May 13, 2008 |
| A multi-functional apparatus and method for drilling fluid and cementing operations to set casing in a wellbore for use on either top drive or rotary type rigs. The apparatus and method includes a fill-up and circulating tool, a cementing head assembly, a wiper plug assembly, and a p |
| 7267168 |
Spider with discrete die supports |
September 11, 2007 |
| The spider, arranged for support on a drilling rig, is fitted with a plurality of slips peripherally distributed about a slip bowl. Each slip has a plurality of pipe gripping dies distributed vertically and resting on individual abutment surfaces on the slip. Each slip has a generally |
| 7096948 |
Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing |
August 29, 2006 |
| A multi-functional apparatus and method for drilling fluid and cementing operations to set casing in a wellbore for use on either top drive or rotary type rigs. The apparatus and method includes a fill-up and circulating tool, a cementing head assembly, and a wiper plug assembly. The |
| 7032678 |
Horseshoe shaped elevator and method for using same |
April 25, 2006 |
| A U-shaped elevator having no doors is provided with first and second latching mechanisms which when contacted by the tubular to be entrapped within the elevator move from a closed position to an open position and which then return to a closed position as soon as the tubular is entra |
| 6948575 |
Slip manipulating apparatus |
September 27, 2005 |
| The spider for large pipe has a base that straddles a slip bowl and supports an overarm that extends part way around pipe to be supported. The overarm is pivotally attached to the base and is moved vertically by an air bag or power cylinders to move a slip assembly into and out of the |
| 6915868 |
Elevator apparatus and method for running well bore tubing |
July 12, 2005 |
| An elevator apparatus for manipulating well bore tubing includes a circular body having a top and a central cavity around a body axis. The cavity has a diameter allowing the collar portion of the tubing to pass longitudinally therethrough. A plurality of cavity restricting members ab |
| 6675919 |
Tubular piling apparatus and method |
January 13, 2004 |
| A tubular piling apparatus and method for penetrating the soil comprises, in a preferred embodiment, elements such as a drive shoe and/or other earth displacing structures which may be, in one presently preferred embodiment, of larger outer diameter than the surface conductor pipe. In a |
| 6631541 |
Hammer piston handling apparatus |
October 14, 2003 |
| A frame is supported on adjustable jacks for aligning with a pile driver hammer body for removal or installation of the hammer piston. A terminal tube on the frame clamps to the hammer and a powered ram moves the piston. |
| 6595288 |
Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing |
July 22, 2003 |
| A multi-functional apparatus and method for drilling fluid and cementing operations to set casing in a wellbore for use on either top drive or rotary type rigs. The apparatus and method includes a fill-up and circulating tool, a cementing head assembly, and a wiper plug assembly. The |
| 6568479 |
Horseshoe shaped elevator and method for using same |
May 27, 2003 |
| A U-shaped elevator having no doors is provided with first and second latching mechanisms which when contacted by the tubular to be entrapped within the elevator move from a closed position to an open position and which then return to a closed position as soon as the tubular is entrapped |
| 6557641 |
Modular wellbore tubular handling system and method |
May 6, 2003 |
| A wellbore tubular handling system and method is provided for operation in holding and lowering tubulars, such as casing strings, at a rig site. The handling system utilizes a plurality of interchangeable gripping modules for use with both the elevator slips and the spider. Because the g |
| 6485061 |
Threaded tool joint for connecting large diameter tubulars |
November 26, 2002 |
| A connector for connecting large tubulars of the type used in oil well tubing, casing and the like, without resorting to welding, to form a pipe string for use in drilling. The connector comprises a pin and box threaded connection having guiding surfaces integral with the pin and box mem |
| 6386283 |
Elevator and spider converter |
May 14, 2002 |
| Shaped plates are provided, one above each side of a spider, to replace the bails and links used to suspend the spider and its pipe payloads. The load applied to the housing suspension hard points, whether ears or lugs, to suspend the spider is transferred to the rig floor by the plates. |
| 6279654 |
Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing |
August 28, 2001 |
| A multi-functional apparatus and method for drilling fluid and cementing operations to set casing in a wellbore for use on either top drive or rotary type rigs. The apparatus and method includes a fill-up and circulating tool, a cementing head assembly, and a wiper plug assembly. The |
| 6120067 |
Threaded tool joint for connecting large tubes |
September 19, 2000 |
| A connector for connecting large tubes of the type used in oil well tubing, casing and the like, without resorting to welding, to form a pipe string for use in drilling. The connector comprises a pin and box threaded connection having guiding surfaces integral with the pin and box member |
| 5918673 |
Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing |
July 6, 1999 |
| A multi-functional apparatus and method for drilling fluid and cementing operations to set casing in a wellbore for use on either top drive or rotary type rigs. The apparatus and method includes a fill-up and circulating tool, a cementing head assembly, and a wiper plug assembly. The |
| 5810401 |
Threaded tool joint with dual mating shoulders |
September 22, 1998 |
| A tool joint for use in connecting sections of pipe string for use in drilling. The joint is a pin and box connection of the type used in oil well tubing, casing, and the like. The driveable threaded joint has dual mating shoulders and nose faces on the pin and box members. The connectio |
| 5289845 |
Oilfield tubing reel and reel assembly |
March 1, 1994 |
| An improved coiled tubing reel and unit utilizing a system of two non-continuous spindles, each having a fixed, spaced apart spindle stub, and associated, spaced apart inner hubs secured within the tubing-supporting outer drum of the reel for rotation of the inner hubs about the fixe |
| 5251493 |
Load cell for well tubulars or the like |
October 12, 1993 |
| Methods and apparatuses, in one aspect, for detecting and indicating loads and/or forces on tubular strings, e.g. tubing, injected into or withdrawn out of a well by an injector apparatus, the apparatus having, in one embodiment, a single piston acting on a single boot with a chamber the |
| 4842058 |
Load detection and indicator apparatus for well tubing or the like |
June 27, 1989 |
| A load cell apparatus especially suitable for detecting and indicating loads on tubing injected into or withdrawn out of a well with an injector apparatus. The load cell apparatus is located longitudinally directly below the injector apparatus to avoid angling of the tubing as it is run |
| 4793410 |
Load detection and indicator apparatus for well tubing or the like |
December 27, 1988 |
| A load cell apparatus especially suitable for detecting and indicating loads on tubing injected into or withdrawn out of a well with an injector apparatus. The load cell apparatus is located longitudinally directly below the injector apparatus to avoid angling of the tubing as it is run |
