Oil pumping unit oil well sealing box cooler

An oil pumping unit oil well sealing box cooler relates to the field of oil field exploitation and comprises a polish rod, a sealing box, a sealing filler and a filler gland, the polish rod penetratesthrough the sealing box, the sealing filler and the filler gland, the sealing filler is arranged in...

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Bibliographische Detailangaben
Hauptverfasser:	WU HONGLIU, GE YUXIA, DING ZHONGXIANG, LI XIAOBO, ZENG LIJUN, SHEN JIAN, YANG SU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS REFRIGERATION OR COOLING REFRIGERATORS WEAPONS
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