Treatment Practice for Sticking Failure in Horizontal Well and Discussion on the Prevention Measures

Abstract:

Teriary strutum in Central Hebei is mainly of purplishred mudstone and fine grey sandstone with strong mudstone mud making, some formations are very unstable, which make drilling construction difficult with drill bolcking. The paper summed up the prevention measures for complicated accident in horizontal well construction with a successful treatment case, which could be the reference to horizontal well construction in Central Hebei district and other places.

Key words:NorthChina oil field; horizontal well; LWD; sticking failure; jam release