使用该方法对固井水泥浆配方进行了研究,并结合气田的现场尾管固井实例对所选水泥浆配方进行了评价。
This method was used to study the formulation of cement slurry and the actual cement slurry used for liner cementing at gas fields was taken into consideration to evaluate the formulation.
超深探井在钻进过程中出现套管挤毁、井漏而常规封堵无效等复杂问题,影响了下一步正常钻进,短回接尾管固井技术能很好地解决该技术难题。
The short liner cementing technique can successfully solve some difficult technical problems, such as casing collapse, loss circulation during ultra deep exploratory well drilling operations.
乳胶水泥具有较好的抗脆裂性及较小的收缩性,能对尾管提供长期支撑,是多底井固井理想的水泥浆体系。
The gel cement has better embrittlement resistance and little shrinkage, and can provide long time supporting for the liner, thus it is an ideal select for multi-lateral cementing.
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