Oil well casing gas pressurization installation
The utility model discloses an oil well casing gas pressurization installation, base inboard top is equipped with the screw thread section to be connected with the valve body, and the base middle part transversely is equipped with associated gas entry and associated gas export, and the base lower ex...
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| creator | GAO TAO QIU ZHILI WU SHENYAO WANG KAI ZHANG YU TANG HAI |
| description | The utility model discloses an oil well casing gas pressurization installation, base inboard top is equipped with the screw thread section to be connected with the valve body, and the base middle part transversely is equipped with associated gas entry and associated gas export, and the base lower extreme is equipped with the annular space flowing back connector that runs through, and base upper end side still is equipped with zigzag shaped's air pressure test passageway, the air pressure test path connection base inboard and the outside, install metal slip between base and the valve body, the metal slip middle part is equipped with the case, and the slider centralizer is installed to the top, the valve body is the cavity tubular structure, and the lower extreme is the opening, and the upper end middle part is equipped with the through -hole, installs down the slide on the opening of valve body lower extreme, and lower slide and metal slip upper end are supported tightly, the inboard of upper end is equipped w |
| format | Patent |
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| language | chi ; eng |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| title | Oil well casing gas pressurization installation |
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