FIELD: gas and oil producing industry. SUBSTANCE: catching members are installed on pushers at angle from body axis to periphery which increases with increase of length of fish. EFFECT: higher efficiency. 1 dwg
Title | Year | Author | Number |
---|---|---|---|
FISHING TOOL | 0 |
|
SU1609954A1 |
RELEASING OVERSHOT | 1991 |
|
RU2012772C1 |
OVERSHOT OF SLIP HANGER DIE | 1991 |
|
RU2030549C1 |
CABLE CATCHER | 1991 |
|
RU2018625C1 |
SLIP CATCHER | 1991 |
|
RU2030550C1 |
GEAR FOR WITHDRAWAL OF FOREIGN OBJECTS FROM BOREHOLE | 1991 |
|
RU2011789C1 |
DEVICE FOR OVERLAPPING COLUMN OF PUMP-COMPRESSOR PIPE | 1992 |
|
RU2024737C1 |
EXTRACTOR | 0 |
|
SU1420135A1 |
COMPOSITE SUCKER ROD SOCKET | 2003 |
|
RU2267598C2 |
FISHING DEVICE | 0 |
|
SU926235A1 |
Authors
Dates
1995-02-20—Published
1991-06-05—Filed