MY104392A - A dirlling tool. - Google Patents
A dirlling tool.Info
- Publication number
- MY104392A MY104392A MYPI89000042A MYPI19890042A MY104392A MY 104392 A MY104392 A MY 104392A MY PI89000042 A MYPI89000042 A MY PI89000042A MY PI19890042 A MYPI19890042 A MY PI19890042A MY 104392 A MY104392 A MY 104392A
- Authority
- MY
- Malaysia
- Prior art keywords
- tool
- drilling
- driven member
- production string
- thread
- Prior art date
Links
Landscapes
- Earth Drilling (AREA)
Abstract
A TOOL IS INTENDED FOR USE IN AN OIL OR GAS WELL TO RETRIEVE A DRILLING OR PRODUCTION STRING FROM THE WELL, PARTICULARLY IN A SITUATION WHERE THE CASING OR FORMATION HAS COLLAPSED, THUS GRIPPING THE DRILLING OR PRODUCTION STRING.THE TOOL HAS A DRIVEN MEMBER WHICH PRESENTS, AT ITS LOWER END, A SELF- TAPPING THREAD SUCH AS COUNTERCLOCKWISE SELF- TAPPING THREAD. THE TOOL INCLUDES A RATCHETING ARRANGEMENT WHICH CAN DRIVE THE DRIVEN MEMBER IN A COUNTER- CLOCKWISE DIRECTION WHEN THE TOOL IS LOWERED RELATIVE TO THE DRIVEN MEMBER. THE TOOL CAN BE REPEATEDLY RAISED AND LOWERED THUS ENABLING THE SELFTAPPING THREAD TO BE ENGAGED WITH THE TOP OF THE DRILLING OR PRODUCTION STRING. (FIG. 5)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB800572 | 1988-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
MY104392A true MY104392A (en) | 1994-03-31 |
Family
ID=79604019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI89000042A MY104392A (en) | 1988-01-12 | 1989-01-12 | A dirlling tool. |
Country Status (1)
Country | Link |
---|---|
MY (1) | MY104392A (en) |
-
1989
- 1989-01-12 MY MYPI89000042A patent/MY104392A/en unknown
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