Sidetracking Technology of H or izontalW e llM iddle 1H with Short Radius
作者
蔡 元
Authors
Cai Yuan
单位
中原石油勘探局钻井一公司, 河南濮阳457331
Organization
( NO. 1 Dr illing Company of ZPEB, SINOPEC, Puyang 457331, China).
摘要
中1H 井是塔中卡塔克1区块的一口侧钻短半径水平井, 先后采用了多种较为
先进的生产工艺, 如锻铣开窗技术、定向侧钻技术、小井眼短半径水平井技术、欠平衡钻井技
术、高钙盐钻井液体系的推广应用等, 施工程序复杂。历时142. 75 d完成了这口技术密集的
评价井, 试油见到了良好的油气显示, 社会效益、经济效益显著。
Abstract
Well Middle 1H is a sidetracking hor izonta l we ll w ith short radius sited in them iddle area of Tarim, Ka tac block 1. Severa l k inds o f advanced techniques w ere used in th is w ell such as forg e m illing s ide open ing techno logy, d irectiona l sidetrack ing techno logy, sm all ho le short rad ius horizonta l w e ll drilling techno logy, unde rbalance drilling techno logy and spreading app lication o f h igh calc ium salt mud system. The operation process is very comp licated. A fter 142. 75 days hard w ork ing o f severa l technic ians, the w ell is comp le ted. O il and g as show is good a fter o il test and the so cial and econom ic benefit is obv ious.
关键词:
中1H 水平井 高钙盐 欠平衡;
Keywords:
M idd le 1H, H orizonta lw e l,l H igh ca lcium sa lt, Underba lance, O il test;