纤维防漏水泥浆体系的研究与应用

Research and application of fiber leakproof cement slurry system

王治国 周鹏成

Wang Zhiguo Zhou Pengcheng

中国石化 西北油田分公司 石油工程监督中心, 新疆 轮台 841600

Petroleum Engineering Supervision Center, SINOPEC Northwest Oilfield Company, Luntai, Xinjiang 841600, China

为解决塔河油田在固井期间存在的碳酸盐岩孔洞、裂缝性漏失，通过对堵漏机理和堵漏材料的优选，研制了纤维防漏水泥浆体系。通过对5，10，19 mm的堵漏纤维ALF-1水泥浆进行实验评价，结果表明5 mm的堵漏纤维ALF-1加量在0.2%～0.3%的范围最为适宜，对1 mm的裂缝和孔洞具有较好的封堵效果，承压能力高于7 MPa。在塔河油田TP337X井尾管固井中，采用该纤维防漏水泥浆在施工过程中全程无漏失，声幅测井显示固井质量良好。

In order to solve the carbonate pore and fracture leakage in the Tahe oilfield during the cementing process, a fiber leakproof cement slurry system was developed by selecting plugging mechanism and plugging material. The cement slurry system ALF-1 with fibers of 5, 10, 19 mm, respectively, was tested. When adding the cement slurry system ALF-1 with the fibers of 5 mm by 0.2%-0.3%, the cracks and pores of 1 mm were sealed very well, and could bear a pressure higher than 7 MPa. This system was applied in the tail pipe cementing in the well TP337X of the Tahe oilfield, solving leakage successfully during the whole process of construction. Amplitude logging showed good cement-ing quality.

https://doi.org/10.11781/sysydz2017S1096