大口径绳索取心钻进技术在天然气水合物勘探中的应用

Application of Large Diameter Wire-ling Coring Drilling Technology in the Gas Hydrate Exploration

摘要:

φ127 mm绳索取心钻具在地质钻探中很少应用。介绍了大口径绳索取心钻探工艺在青海乌丽地区天然气水合物勘探中的应用情况，并对技术要点和注意事项进行了总结。

Abstract:

φ127 mm wire-line coring is rarely applied in geological drilling in China. The paper introduces the application of large diameter wire-line coring drilling technology in gas hydrates exploration in Qinghai and summed up the technical points and the precautions.