Patent · US Active

Device for jet packing and fracturing and tubular column comprising same

US11236590B2 · kind B2 · utility

1Cited by

1References

15Claims

0Family size

Assignees

CHINA PETROLEUM & CHEMICAL CORPORATION · CN
SINOPEC SOUTHWEST OIL & GAS COMPANY · CN

Inventors

Zhenwei Gan · Chengdu, CN
Bin Qi · Kunitachi, JP
Zhimin Hou · Sichuan, CN
Shunqu Hu · Chengdu, CN
Wei Lei · Zhongshan, CN
Chen Chen · Sichuan, CN
Zhi Xie · Shenyang, CN
Qiang Wang · Sichuan, CN
Wei Zhao · Zhuhai, CN
Yijun Zhou · Lund, SE

Key dates

Filing date	Jan 13, 2017
Grant date	Feb 1, 2022
Priority date	—
Expiry date	May 8, 2039

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B2200/06
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.