Thermal washing tubular column for offshore oilfield

• Main Author: WEI ZHIGUO
• Format: Patent
• Language: Chinese; English
• Published: 20.03.2020
• 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

The utility model provides a thermal washing pipe column for an offshore oil field. The device comprises a pipe column, a protective shell, a protective double-channel Christmas tree structure, a detachable movable frame structure, a protective fixed rod structure, a fixed block, a positioning oil pipe hanger, a cable pipe, a cable passing sealer, a protective pipe, a heat insulation hollow pipe,a self-operated check valve, a deep well safety valve, an electric pump unit and a protective sheet, and the protective shell is welded to the middle of the upper surface of the protective sheet; theprotectable double-channel Christmas tree structure is arranged in the middle of the inner side of the protective shell; and the detachable movable frame structure is mounted at the upper part of theprotective shell. Due to the arrangement of the paraffin removal valve, the wing valve, the main valve, the flushing fluid inlet pipe, the pressure test pipe, the output fluid channel, the hollow rodbutt joint sealing pipe and