摘要
TK2 0 3C井为一口老井开窗侧钻深探井 ,受原井身结构和地层条件限制 ,磨、切铣 5″悬挂器和套管长达 2 4 9.9米 ,属目前国内之最 ,且有 8个刚性扶正器和一个弹性扶正器 ,原井固井质量差 ,窜槽严重 ,钻井液密度平衡点难以控制 ,易溢流出地层水和井漏 ,铁屑携带困难 ,施工难度极大。
TK203G well is an old side-drilling deep exploratory well.Being Limited by the s tructure of the original well and layer condition,TK203G well has the longest ca sing pipe and drilling 5″ hanger in our country at present, which is 249.9 mete rs long.There are eight rigid centralizers and one elastic centralizer,but there are still many other problems exsiting during construction.As a result,it is ve ry difficult to carry out construction.
出处
《新疆石油学院学报》
2002年第1期43-46,共4页
Journal of Xinjiang Petroleum Institute