新型低伤害无固相压井液的研究与应用

The Research and Application of New Low Damage Solid-free Well Control Fluid

摘要: 研究开发出的新型低伤害无固相压井液主要由水溶性有机酸盐、常规无机盐、工业副产物经处理得到的低成本ZC等加重剂和无机盐促溶剂、活性剂、降滤失剂等组成。密度在1．00—2．00g／cm^3间可调，具有性能稳定、防膨效果好、对油层污染小、腐蚀低、抗温性能好和现场使用方便等特点，是一种具有良好推广价值的低伤害优质压井液。

Abstract: The new low damage solid-free well control fluid is made up of water-soluble organic acid salt, conventional inorganic salt, low cost ZC heavy loader which obtain from industrial processing by-product and inorganic salt dissolution accelerator, coagent, f