Downhole gas-liquid separation lifting device and method
The invention discloses an underground gas-liquid separation lifting device and method. The underground gas-liquid separation lifting device comprises an outer cylinder, a pump cylinder, a plunger and a packer. The pump cylinder is sleeved with the outer cylinder, a first annular space is formed bet...
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| creator | DU WEIXUAN SU QIUHAN GU GUANGMING ZHI QINGONG ZHOU NA SUN YANDONG JIANG DONG WANG FENG XIAO PING YAN WENWEN |
| description | The invention discloses an underground gas-liquid separation lifting device and method. The underground gas-liquid separation lifting device comprises an outer cylinder, a pump cylinder, a plunger and a packer. The pump cylinder is sleeved with the outer cylinder, a first annular space is formed between the inner wall of the outer cylinder and the outer wall of the pump cylinder, a second annular space is formed between the outer wall of the outer cylinder and the inner wall of the sleeve, and the upper end of the first annular space communicates with the second annular space; the packer is connected to the lower end of the outer cylinder and arranged on the inner wall of the casing pipe in a setting mode, namely the lower end opening of the second annular space is blocked by the packer. The plunger axially runs in the pump cylinder, the pump cylinder and the outer cylinder are connected with a radial gap bridge channel at the same time, the gap bridge channel serves as a fluid inlet pump channel, the inner e |
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The underground gas-liquid separation lifting device comprises an outer cylinder, a pump cylinder, a plunger and a packer. The pump cylinder is sleeved with the outer cylinder, a first annular space is formed between the inner wall of the outer cylinder and the outer wall of the pump cylinder, a second annular space is formed between the outer wall of the outer cylinder and the inner wall of the sleeve, and the upper end of the first annular space communicates with the second annular space; the packer is connected to the lower end of the outer cylinder and arranged on the inner wall of the casing pipe in a setting mode, namely the lower end opening of the second annular space is blocked by the packer. 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The underground gas-liquid separation lifting device comprises an outer cylinder, a pump cylinder, a plunger and a packer. The pump cylinder is sleeved with the outer cylinder, a first annular space is formed between the inner wall of the outer cylinder and the outer wall of the pump cylinder, a second annular space is formed between the outer wall of the outer cylinder and the inner wall of the sleeve, and the upper end of the first annular space communicates with the second annular space; the packer is connected to the lower end of the outer cylinder and arranged on the inner wall of the casing pipe in a setting mode, namely the lower end opening of the second annular space is blocked by the packer. 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The underground gas-liquid separation lifting device comprises an outer cylinder, a pump cylinder, a plunger and a packer. The pump cylinder is sleeved with the outer cylinder, a first annular space is formed between the inner wall of the outer cylinder and the outer wall of the pump cylinder, a second annular space is formed between the outer wall of the outer cylinder and the inner wall of the sleeve, and the upper end of the first annular space communicates with the second annular space; the packer is connected to the lower end of the outer cylinder and arranged on the inner wall of the casing pipe in a setting mode, namely the lower end opening of the second annular space is blocked by the packer. The plunger axially runs in the pump cylinder, the pump cylinder and the outer cylinder are connected with a radial gap bridge channel at the same time, the gap bridge channel serves as a fluid inlet pump channel, the inner e</abstract><oa>free_for_read</oa></addata></record> |
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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 | Downhole gas-liquid separation lifting device and method |
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