Buchanan Ingersoll & Rooney PC
Sleeve fracturing assembly, device using the same and method for using the same
A sleeve fracturing assembly includes a composite sleeve and an opening tool. The composite sleeve and the opening tool can automatically engage with each other via teeth-shaped members arranged thereon so as to open the composite sleeve. A sleeve fracturing device includes a plurality of composite sleeves and opening tools, wherein each composite sleeve and opening tool can achieve unique engagement. A method of using the sleeve fracturing device is also provided.
CHINA PETROLEUM & CHEMICAL CORPORATION CHINA PETROLEUM & CHEMICAL CORPORATION SOUTHWEST OIL & GAS COMPANY
E E E E
E21B E21B E21B E21B
inventional inventional inventional additional
Shan Qiusheng Zhenwei Jihao Guangquan
Ren Huang Gan Wu Li