Analysis on the Design and Manufacturing Technique of Domestic Wire-line Coring Pipe

Abstract:

The paper introduced the production situation of wire-line coring pipe both in China and abroad; described the structure of wire-line coring pipe, pipe performance, material selection for drill pipe and joint, optimal design of thread and some special procedures. Taking the example of φ89mm wire-line coring pipe, relative technical parameters were listed based on different design schemes.

Key words:wire-line coring pipe; drill pipe thread; material selection; technical parametrs; manufacturing technique