TOOL FOR JET PACKING AND FRACTURING AND TUBULAR COLUMN COMPRISING SAME

WIPO Patent Application WO/2017/124980

A1

A tool for jet packing and fracturing and a tubular column comprising the same. The tool comprises an upper connector (1), a connecting sleeve (2), a central rod (3), a packer (4), a lower connector (5), and an inner cylinder (6). The upper connector is provided with a circulation hole (9), a jet nozzle (7) is disposed at the circulation hole, and the inner cylinder is disposed on the inner wall of the upper connector to seal the jet nozzle. Under the action of a pressure liquid, the inner cylinder moves downwards and is exposed out of the jet nozzle, and the packer conducts packing. Then, perforation can be implemented by means of the jet nozzle. After perforation is completed, the jet nozzle is structured in the mode that the jet nozzle can disengage from the circulation hole, and thus fracturing work is carried out. By means of the tool, the working costs can be reduced, and the transformation effect can be improved.

WO/2007/129099	PERFORATING AND FRACTURING
WO/2010/001087	APPARATUS AND METHOD FOR INFLOW CONTROL
WO/2015/156755	SYSTEMS AND METHODS FOR USING CEMENT SLURRIES IN HYDRAJETTING TOOLS

GAN ZHENWEI (CN)
QI BIN (CN)
HU SHUNQU (CN)
HOU ZHIMIN (CN)
ZHOU YIJUN (CN)
WANG LEI (CN)
LIU TAO (CN)
TENG WENJIANG (CN)
CUI JINGYU (CN)
PAN MIN (CN)

PCT/CN2017/071169

July 27, 2017

January 13, 2017

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CHINA PETROLEUM & CHEM CORP (CN)
SINOPEC SOUTHWEST OIL & GAS CO (CN)

E21B43/114; E21B43/26

CN105672957A	2016-06-15
CN105672959A	2016-06-15
CN105672935A	2016-06-15
CN105696994A	2016-06-22
CN103266873A	2013-08-28
CN105201476A	2015-12-30
CN103184856A	2013-07-03
CN103184867A	2013-07-03
US20130248192A1	2013-09-26

YUHONG INTELLECTUAL PROPERTY LAW FIRM (CN)

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