US3877680A - Cylinder synchronizer for drilling equipment - Google Patents
Cylinder synchronizer for drilling equipment Download PDFInfo
- Publication number
- US3877680A US3877680A US402145A US40214573A US3877680A US 3877680 A US3877680 A US 3877680A US 402145 A US402145 A US 402145A US 40214573 A US40214573 A US 40214573A US 3877680 A US3877680 A US 3877680A
- Authority
- US
- United States
- Prior art keywords
- hook
- pair
- main frame
- frame
- cylinders
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US402145A US3877680A (en) | 1973-10-01 | 1973-10-01 | Cylinder synchronizer for drilling equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US402145A US3877680A (en) | 1973-10-01 | 1973-10-01 | Cylinder synchronizer for drilling equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
US3877680A true US3877680A (en) | 1975-04-15 |
Family
ID=23590717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US402145A Expired - Lifetime US3877680A (en) | 1973-10-01 | 1973-10-01 | Cylinder synchronizer for drilling equipment |
Country Status (1)
Country | Link |
---|---|
US (1) | US3877680A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4027854A (en) * | 1975-10-15 | 1977-06-07 | Mounton Jr William J | Self-equalizing linkage for well derricks |
US4341373A (en) * | 1977-05-25 | 1982-07-27 | Mouton Jr William J | Hydraulic well derrick with cable lifts |
US4501219A (en) * | 1983-04-04 | 1985-02-26 | Nl Industries, Inc. | Tensioner apparatus with emergency limit means |
US4620692A (en) * | 1984-10-31 | 1986-11-04 | Nl Industries, Inc. | Crown block compensator |
US4688764A (en) * | 1984-10-31 | 1987-08-25 | Nl Industries, Inc. | Crown block compensator |
US4759256A (en) * | 1984-04-16 | 1988-07-26 | Nl Industries, Inc. | Tensioner recoil control apparatus |
US4867418A (en) * | 1986-03-03 | 1989-09-19 | N.L. Industries, Inc. | Apparatus for increasing the load handling capability of support and manipulating equipment |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US464786A (en) * | 1891-12-08 | Hoisting mechanism | ||
US1379378A (en) * | 1917-08-15 | 1921-05-24 | Zastrow Machine Company Inc | Crane |
US2240794A (en) * | 1940-03-11 | 1941-05-06 | Mason John Conley | Drilling lift |
US2786361A (en) * | 1953-01-09 | 1957-03-26 | English Electric Co Ltd | Gimbal mechanisms |
US3355993A (en) * | 1965-11-17 | 1967-12-05 | Soule Steel Company | Drive balancing apparatus |
-
1973
- 1973-10-01 US US402145A patent/US3877680A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US464786A (en) * | 1891-12-08 | Hoisting mechanism | ||
US1379378A (en) * | 1917-08-15 | 1921-05-24 | Zastrow Machine Company Inc | Crane |
US2240794A (en) * | 1940-03-11 | 1941-05-06 | Mason John Conley | Drilling lift |
US2786361A (en) * | 1953-01-09 | 1957-03-26 | English Electric Co Ltd | Gimbal mechanisms |
US3355993A (en) * | 1965-11-17 | 1967-12-05 | Soule Steel Company | Drive balancing apparatus |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4027854A (en) * | 1975-10-15 | 1977-06-07 | Mounton Jr William J | Self-equalizing linkage for well derricks |
US4341373A (en) * | 1977-05-25 | 1982-07-27 | Mouton Jr William J | Hydraulic well derrick with cable lifts |
US4501219A (en) * | 1983-04-04 | 1985-02-26 | Nl Industries, Inc. | Tensioner apparatus with emergency limit means |
US4759256A (en) * | 1984-04-16 | 1988-07-26 | Nl Industries, Inc. | Tensioner recoil control apparatus |
US4620692A (en) * | 1984-10-31 | 1986-11-04 | Nl Industries, Inc. | Crown block compensator |
US4688764A (en) * | 1984-10-31 | 1987-08-25 | Nl Industries, Inc. | Crown block compensator |
US4867418A (en) * | 1986-03-03 | 1989-09-19 | N.L. Industries, Inc. | Apparatus for increasing the load handling capability of support and manipulating equipment |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: BAROID TECHNOLOGY, INC., 3000 NORTH SAM HOUSTON PA Free format text: ASSIGNS THE ENTIRE INTEREST, SUBJECT TO LICENSE;ASSIGNOR:RUCKER COMPANY, THE;REEL/FRAME:005023/0909 Effective date: 19890210 |
|
AS | Assignment |
Owner name: CHASE MANHATTAN BANK (NATIONAL ASSOCIATION), THE Free format text: SECURITY INTEREST;ASSIGNOR:BAROID CORPORATION, A CORP. OF DE.;REEL/FRAME:005196/0501 Effective date: 19881222 |
|
AS | Assignment |
Owner name: BAROID CORPORATION, TEXAS Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:CHASE MANHATTAN BANK, THE;REEL/FRAME:006085/0590 Effective date: 19911021 |
|
AS | Assignment |
Owner name: VARCO SHAFFER, INC., TEXAS Free format text: ASSIGNS THE ENTIRE RIGHT, TITLE AND INTEREST. SUBJECT TO LICENSE RECITED.;ASSIGNOR:BAROID TECHNOLOGY, INC.;REEL/FRAME:006308/0956 Effective date: 19920716 |