FIELD: oil and gas production, repair of wells. SUBSTANCE: pump rod extractor has body, adapter, collet with fins located in windows of body. Adapter is coupled to body with the use of bars. Bars are mounted to catch body of extracted rod. Outer surfaces of fins have ledges for interaction with upper edges of windows of body. EFFECT: expanded functional capabilities of pump rod extractor, its enhanced reliability while it is sunk into pipes with deposits of paraffin-resin components of oil. 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DOWNHOLE PIPE PUNCH | 2001 |
|
RU2206707C2 |
| BOREHOLE PUNCH FOR PIPES | 1993 |
|
RU2057894C1 |
| DOWNHOLE PIPE DRIFT | 2001 |
|
RU2198997C1 |
| CLAMPING DEVICE FOR WELL PUMP RODS | 2003 |
|
RU2259500C2 |
| SUCKER ROD | 2000 |
|
RU2185492C2 |
| WELL PUNCH-PERFORATOR | 2002 |
|
RU2211310C1 |
| DOWNHOLE DRIFT FOR PIPES | 2001 |
|
RU2202035C2 |
| LOCK SUPPORT OF INSERT OIL-WELL PUMP | 1992 |
|
RU2066789C1 |
| ELEVATOR FOR PUMP-COMPRESSOR PIPES | 1997 |
|
RU2128767C1 |
| INSERT OIL WELL PUMP LOCK SUPPORT | 2004 |
|
RU2282057C2 |
