一种气体钻井完井一体化工具、管柱与方法
By designing an integrated gas drilling and completion tool, and utilizing the pressure control of the separation mechanism and the fracture plate, a seamless integration of drilling and completion during the gas drilling process was achieved, which solved the risk of well blowout, improved drilling efficiency, and reduced costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA NAT PETROLEUM CORP
- Filing Date
- 2022-11-09
- Publication Date
- 2026-07-17
AI Technical Summary
Existing gas drilling technology is prone to causing excessive wellbore pressure after drilling to the target formation. Conventional pressurized tripping and tubing completion operations pose a risk of blowout, and there are no effective integrated gas drilling and completion tools and methods to solve the blowout problem.
Design a gas drilling and completion integrated tool, including a tool body, a separation mechanism, a setting mechanism, and a fracture plate. By dropping a ball, the sliding sleeve is expanded and set. Separation and connection are achieved by utilizing the gas medium pressure to exceed the maximum binding force and bearing pressure, thus establishing a channel between the producing formation and the wellbore.
It achieves a seamless integration of drilling and completion, avoids non-productive time during drill string raising and lowering, shortens well construction cycle, reduces the risk of complex accidents, improves drilling efficiency, and reduces overall operating costs.
Smart Images
Figure CN115853429B_ABST