Well structure and device during stratum of uncertain target reservoir place
The utility model belongs to geothermal exploration, the exploitation field, especially, relate to a well structure and device during stratum of uncertain target reservoir place, first order bore / first order sleeve pipe, second level bore / second level sleeve pipe, third level bore / third level...
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| creator | WANG SHAOJUAN LIU YUXIAN LI CHANGSUO ZHAO ZHENHUA ZHAO JITONG XU SHIMIN NIE YUPENG ZHAO GUANGZHEN ZHAO CHENG QIN PINRUI |
| description | The utility model belongs to geothermal exploration, the exploitation field, especially, relate to a well structure and device during stratum of uncertain target reservoir place, first order bore / first order sleeve pipe, second level bore / second level sleeve pipe, third level bore / third level sleeve pipe, fourth stage bore / fourth stage sleeve pipe, the pyatyi bore, send the coupling to connect third level sleeve pipe and install the hanger seat, the installation has the fourth stage sleeve pipe of hanger on the hanger seat, third level sleeve pipe is not less than 15m with the overlapping of second level sleeve pipe, fourth stage sleeve pipe hangs on the hanger seat through the hanger, it is fixed with inflation rubber to go up the lower extreme, fourth stage sleeve pipe has filter tube or real pipe, one -level bore / first order sleeve pipe, second level bore / second level sleeve pipe, third level bore / third level sleeve pipe adopt the well cementation of well cementation cement, the utility model |
| format | Patent |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN205823215UU |
| source | esp@cenet |
| 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 | Well structure and device during stratum of uncertain target reservoir place |
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