MS-215型大直径绳索取心器及其在煤层气井中的应用

MS-215 type large diameter wire line core barrel and its application in CBM well

摘要: 根据煤层气井快速、安全的取心要求,结合现场条件,研制了MS-215大直径绳索取心器。文中介绍了取心器的设计思路、结构特点及现场应用效果。结果表明,该取心器设计合理,机构动作可靠,岩煤心直径大、采取率高、提出速度快,尤其适合煤层气井煤心的采取。

Abstract: This wire line core barrel is researched and produced to meet the needs of fast and safe coring in coalbed methane wells.In this paper,the design thought,structure and result in the field of the barrel are introduced.The results show that the barrel is of reasonable design,dependable mechanism,high core recovery,large core diameter and high coring extracting speed.