Self-anchoring well-flushing packer

The utility model relates to a self-anchoring well-flushing packer which is composed of a pipe column part, an anchoring part, a well flushing part, a packing component, a clamping part and a straightening part, wherein the pipe column part is composed of a central pipe and an inner pipe which is ar...

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Bibliographic Details
Main Authors GONG JIAYONG, JIA CHUNXIAO, JIA ZHENGXU, ZHANG XINWEI, LI CHANGJIAN, QI NIANQIN, PENG YUMING
Format Patent
LanguageChinese
English
Published 05.09.2012
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
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Summary:The utility model relates to a self-anchoring well-flushing packer which is composed of a pipe column part, an anchoring part, a well flushing part, a packing component, a clamping part and a straightening part, wherein the pipe column part is composed of a central pipe and an inner pipe which is arranged in the central pipe in a penetrating manner; and the anchoring part, the well flushing part, the clamping part and the straightening part are sequentially sleeved on the central pipe. The packer has the advantages of simple structure, reliable work and stable performance, and can meet the requirements of detecting leakage, detecting channeling and testing pressure of an oil-water well, plugging and anchoring a pipe column to bear the lower pressure and realizing well washing without unsealing.
Bibliography:Application Number: CN2012224378U