FIELD: oil industry.
SUBSTANCE: device has housing, shaft, anchor, electromagnetic coil, mounted inside the housing, and spring-loaded hollow rod whose bottom part is nonmagnetic. The electromagnetic coil is energized via a cable passing through the cable-sealing opening. The contact rod is provided with valves. The seat of the valves is mounted inside the housing.
EFFECT: enhanced operation capabilities.
1 dwg
Title | Year | Author | Number |
---|---|---|---|
OIL WELL PUMP | 2002 |
|
RU2224908C1 |
METHOD FOR AUTOMATION OF CHISEL FEED AND DEVICE FOR REALISATION OF THIS METHOD | 2010 |
|
RU2447254C2 |
ARRANGEMENT FOR PUMPING FLUID FROM BOREHOLE | 0 |
|
SU1059125A1 |
ELECTRIC DOWNHOLE MOTOR FOR DRILLING OIL AND GAS WELS | 2022 |
|
RU2803273C1 |
ROTARY CONTROLLED SYSTEM WITH ELECTRIC DRIVE FOR BIT ROTATION SPEED ADJUSTMENT | 2017 |
|
RU2690238C1 |
DEVICE FOR DRILLING OF WELL AND ITS OPERATION | 2010 |
|
RU2450112C1 |
METHOD FOR CONTROLLING BOTTOM PARAMETERS OF WELL | 2005 |
|
RU2289690C2 |
COMMUNICATION PORT TO BE USED ON BORE-HOLE MEASUREMENT INSTRUMENT | 2010 |
|
RU2522340C2 |
DEVICE FOR CREATION OF AXIAL LOAD IN DRILL STRING ARRANGEMENT | 2020 |
|
RU2778910C2 |
METHOD OF TESTING PRODUCTIVE STRATA IN THE PROCESS OF DRILLING WELLS AND THE DEVICE FOR ITS IMPLEMENTATION (OPTIONS) | 2016 |
|
RU2648120C1 |
Authors
Dates
2004-09-20—Published
2002-12-25—Filed