FIELD: method of swabbing of oil and gas wells. SUBSTANCE: located in gap between swabbing member and pipe is a sealing substance in the form of well fluid removed by swabbing. Said fluid is taken into swabbing member, its pressure and speed of motion in cavities of swabbing member are increased. Then, it is thrown into gap between swabbing member and pipe. Angle of fluid throwing into gap is selected larger than that of rubbing of fluid jet against metal. Device for method embodiment has a body in the form of upper and lower cones connected with each other and having conical cavities and cavity between cones for passage of fluid. EFFECT: excluded wear of swabbing member in the course of swabbing. 2 cl, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
SWABBING DEVICE | 2001 |
|
RU2197611C1 |
NOZZLE FOR TUBING | 2000 |
|
RU2183732C2 |
METHOD OF WELL SWABBING | 2000 |
|
RU2172392C1 |
METHOD OF COMPLETING OIL WELL AND DEVICE FOR ITS EMBODIMENT | 2000 |
|
RU2183731C2 |
OIL WELL SWABBING METHOD | 2004 |
|
RU2270912C1 |
METHOD OF COMPLETING OIL OR GAS WELL AND DEVICE FOR ITS EMBODIMENT | 2000 |
|
RU2183730C2 |
PISTON DEVICE FOR OIL RECOVERY | 2000 |
|
RU2178514C2 |
METHOD OF OIL WELL COMPLETION | 2000 |
|
RU2178063C2 |
ELECTRIC HEATER UNIT | 2000 |
|
RU2177533C2 |
HYDRAULIC PERFORATOR | 2001 |
|
RU2190759C1 |
Authors
Dates
2002-09-10—Published
2000-09-05—Filed