Finnegan Henderson Farabow Garrett & Dunner LLP
Device for jet packing and fracturing and tubular column comprising same
A device for perforating, packing, and fracturing and a tubing string comprising the device are disclosed, wherein the device comprises an upper connector, a nozzle sleeve, a mandrel, a packer, a lower connector, a first inner sleeve provided inside the upper connector, and a second inner sleeve provided inside the nozzle sleeve, further wherein the upper connector is provided with a fracturing hole, and a nozzle is provided at the nozzle sleeve.
SINOPEC SOUTHWEST OIL & GAS COMPANY CHINA PETROLEUM & CHEMICAL CORPORATION
E E E E E E
E21B E21B E21B E21B E21B E21B
inventional additional inventional inventional inventional inventional
Bin Zhenwei Zhimin Wei Wei Qiang Zhi Shunqu Chen Yijun
Qi Gan Hou Lei Zhao Wang Xie Hu Chen Zhou