Steam injecting packer

The utility model relates to a steam injection packer, which comprises a body 1, a gland bush 2, a sealed chamber 3, a press piece 4, a force sheet 5, a plug 6, a spare birth 7 and a central tube 8; on the job, when steam injection temperature reaches 200 DEG C, the sealed chamber begins to go soft,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHANGDE PAN, SONG YANG, YUANSHENG WU
Format:	Patent
Sprache:	eng
Schlagworte:	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
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