Method for co-mining of terrestrial heat and oil gas in oil or gas mining
A natural gas and oil technology, applied in the field of energy development, can solve the problems of limited resource extraction and single extraction function, and achieve the effects of improving production efficiency, fast heat transfer, and preventing wax deposition.
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[0025] Example 1
[0026] The method of co-production of geothermal and oil and gas in oil or natural gas exploitation includes the following process flow: after the production well is drilled, casing 1 is inserted and cemented, heat conduction cementing is performed in the high temperature section of the formation, and insulation cementing is performed in the low temperature section of the formation ; Perforating and fracturing from the casing inside the oil layer or gas layer is used as the production channel 2. At different heights above the oil layer or gas layer in the high temperature section of the formation, perforating and fracturing from the casing to the rock layer, and into the fracture Fill the thermal conductive filler to form a conductive zone 3 extending from the casing 1 to the rock formation; insert a short pipe 4 at each segmented perforation and expand the tube to seal the through hole 5 on the casing to ensure that the casing 1 does not release pressure and ca...
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