|
US2565971A
(en)
*
|
1947-03-14 |
1951-08-28 |
Stephen F Kitlica |
Elbow drawbench
|
|
US2591859A
(en)
*
|
1948-01-16 |
1952-04-08 |
Herbert C Otis |
Gripping device
|
|
US2556404A
(en)
*
|
1949-06-29 |
1951-06-12 |
Gulf Oil Corp |
Core lowering device
|
|
US2896292A
(en)
*
|
1955-01-13 |
1959-07-28 |
Robert B Kinzbach |
Automatic tubing spider assembly
|
|
DE1048847B
(en)
*
|
1957-05-24 |
1959-01-22 |
Ministerul Ind Petrolului |
Device for actuating the slips for the drill rods of a deep drilling rig
|
|
US3149391A
(en)
*
|
1957-05-27 |
1964-09-22 |
Byron Jackson Inc |
Elevator spider
|
|
DE1229944B
(en)
*
|
1963-07-10 |
1966-12-08 |
Atlas Copco Ab |
Drill rod centering device
|
|
US3334606A
(en)
*
|
1963-12-24 |
1967-08-08 |
Newport News S & D Co |
Ship and handling means for underwater mining equipment
|
|
US3403791A
(en)
*
|
1966-06-07 |
1968-10-01 |
Dresser Ind |
Pipe elevator for use with split block
|
|
US3675278A
(en)
*
|
1970-07-30 |
1972-07-11 |
Thurman O Powell |
Combination elevator and spider
|
|
US3739434A
(en)
*
|
1970-10-30 |
1973-06-19 |
E Wheeler |
Clamp for well pipe
|
|
FR2288821A1
(en)
*
|
1974-08-01 |
1976-05-21 |
Fondasol Tech |
Locking mechanism for penetrometer tube - has two jaws mounted diametrically opposed and pivoted via pedals and linkage
|
|
US4018471A
(en)
*
|
1975-07-03 |
1977-04-19 |
Shockey Clyde J |
Rotating head
|
|
US4650236A
(en)
*
|
1983-08-12 |
1987-03-17 |
W-N Apache Corporation |
Automatic pipe elevator
|
|
FR2550819B1
(en)
*
|
1983-08-17 |
1986-06-06 |
Vallourec |
DRILL RODS IN PARTICULAR FOR OIL OR GAS WELLS COMPRISING A ZONE FOR RECEIVING CLAMP JAWS
|
|
FR2577568B1
(en)
*
|
1985-02-19 |
1987-12-18 |
Coatex Sa |
NON-POLLUTANT FLUIDIFYING AGENT FOR DRILLING FLUIDS BASED ON FRESH OR SALT WATER
|
|
CA2311036A1
(en)
|
2000-06-09 |
2001-12-09 |
Oil Lift Technology Inc. |
Pump drive head with leak-free stuffing box, centrifugal brake and polish rod locking clamp
|
|
US7293618B2
(en)
*
|
2004-03-12 |
2007-11-13 |
National-Oilwell, L.P. |
Power slip for drillpipe
|
|
DE102006002293A1
(en)
*
|
2006-01-18 |
2007-07-19 |
Blohm + Voss Repair Gmbh |
Device for vertical mounting of pipes
|
|
US7527093B2
(en)
*
|
2006-09-15 |
2009-05-05 |
Frank's Casing Crew And Rental Tools, Inc. |
Self-tightening safety tubular clamp
|
|
US20090065190A1
(en)
*
|
2007-09-12 |
2009-03-12 |
Leslie Dean Smith |
Oil well polish rod clamp for use with a rotator on a beam pumping unit
|
|
US8251153B1
(en)
*
|
2010-06-22 |
2012-08-28 |
Petroquip Energy Services, Llp |
Control line feed through clamp
|
|
CN103277057B
(en)
*
|
2013-05-31 |
2015-04-08 |
成都世唯科技有限公司 |
Clamp head grabbing mechanism
|
|
DE102013108322B4
(en)
*
|
2013-08-02 |
2015-07-16 |
Netzsch Pumpen & Systeme Gmbh |
Clamping device and method for stationary fixation of a drive shaft
|
|
GB201517554D0
(en)
|
2015-10-05 |
2015-11-18 |
Connector As |
Riser methods and apparatuses
|
|
CN112983303B
(en)
*
|
2021-05-07 |
2021-07-23 |
中国石油大学胜利学院 |
Integrated sucker rod automatic slip and operation process
|
|
US20240125187A1
(en)
*
|
2022-10-13 |
2024-04-18 |
MIke Trosper |
Blowout Preventer Assembly
|