Designers: Zhu Xiaohua, Lian Changlin and Li Jianan.
The following is the patent content.
Self-propelled high-pressure nozzle for radial horizontal well drilling
be entitled to
ApplicationNo.: 20110407086.6 Application Date: 201-12-09.
The invention relates to a self-propelled high-pressure jet nozzle for radial horizontal drilling, which mainly consists of a shell, a turbine rotor, a wear-resistant steel ball, a baffle and the like. It is technically characterized in that a tip, a front nozzle and a rear nozzle are machined on the shell, and hard alloy is welded on the outer surface of the shell; The turbine rotor is installed in the shell, and the upper and lower ends of the turbine rotor are provided with spherical grooves, which are positioned by upper and lower wear-resistant steel balls; The upper wear-resistant steel ball is placed between the inner side of the shell and the spherical groove of the turbine rotor, and the lower wear-resistant steel ball is placed between the turbine rotor and the spherical groove on the baffle; The shell and the baffle are connected together by threads, and 4-6 water injection holes are evenly distributed on the baffle. The invention has simple structure and reliable operation, and can be widely used in radial horizontal well drilling operation.
Applicant: Southwest Petroleum University.
Address: No.8 Xindu Dadu, Xindu District, Chengdu, Sichuan, 6 10500.
Inventors (designers): Zhu Xiaohua, Lian Changlin, Li Jianan.