Stifled water of card, layered oil exploitation integration tubular column
The utility model relates to a stifled water of card, layered oil exploitation integration tubular column, stifled water of card, layered oil exploitation integration tubular column include that fromthe top down connects gradually takes out the stifled water pipe section of oil pipe section, ball fo...
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| creator | ZHANG QINGHUAN FENG LING ZHANG XIANGPIN XU JIN ZHAO DONGHUA PENG HUAWEI |
| description | The utility model relates to a stifled water of card, layered oil exploitation integration tubular column, stifled water of card, layered oil exploitation integration tubular column include that fromthe top down connects gradually takes out the stifled water pipe section of oil pipe section, ball formula release sub and card, it has the lower extreme link to take out the oil pipe section, ball formula release sub includes through structural down locking complex top connection of locking and lower clutch, still including the sliding sleeve of setting in the top connection, be connected with the shear pin between the contact surface of sliding sleeve and top connection, be provided with between top connection and the lower clutch and make the unblock of locking structure in order to realizetop connection and the lower clutch unlocking structure of separation from top to bottom after the shear pin is cut, lower extreme link and top connection fixed connection only need a tubular columncan realize the stifled wat |
| format | Patent |
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| language | chi ; eng |
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| subjects | BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS |
| title | Stifled water of card, layered oil exploitation integration tubular column |
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