Packer for sand-flushing, wax-scrapping and drunkeness-checking

The utility model relates to a play checking packer for sand flushing and wax scraping which is mainly used for solving the defects that the existing play checking packer needs put down a pipe pole for many times in the process of construction and the labor intensity of the worker is high. The utili...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHENGZHI JI, YE TAO, BAOZHONG ZHANG, XITAO WANG, BAOJUN JI
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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