FIELD: repairs of wells. SUBSTANCE: method involves adding the length of drill pipe by connecting a next pipe with coupling members to a swivel, gripping it under the coupling, sealing the joint and connecting pipe to string with mechanical wrench. Then washing is started. String is run-in with or without rotation. Wrench can move in vertical plane. EFFECT: higher efficiency. 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SWIVEL | 0 |
|
SU1506067A1 |
| METHOD FOR OPERATION OF WELLS IN COMPLICATED CONDITIONS | 1991 |
|
RU2023870C1 |
| DRILL PIPE SPINNER | 1991 |
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| DEVICE FOR WELL DRILLING | 1992 |
|
RU2018617C1 |
| DEVICE FOR LIFTING AND LOWERING EQUIPMENT IN BOREHOLES | 0 |
|
SU1693227A1 |
| PIPE POWER SLIPS | 1989 |
|
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| DRILLING RIG | 1995 |
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RU2100565C1 |
| DEVICE FOR GRIPPING AND RELEASING PLAIN-END DRILL PIPES | 1989 |
|
RU1600420C |
| ROUND TRIP DEVICE FOR WELLS UNDER PRESSURE | 0 |
|
SU1721212A1 |
| WELL SUCKER-ROD PUMP PLANT | 1991 |
|
RU2022171C1 |
