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介绍了SCH-1 酸化互溶剂的组成、主要性能及现场应用情况。与国内外其它酸化互溶剂相比,SCH-1 在保持地层的水润湿性、消除油酸乳状液、减少酸液中缓蚀剂对地层的吸附及防止酸渣形成堵塞等方面,功能更优,而价格仅为国外产品的1/2。截止1999 年上半年,该互溶剂已在现场应用300 多井次,施工成功率100% ,有效率93.3% ,累计增油5×104t以上,增注513000m 3,取得了良好的经济效益和社会效益。
The composition, main properties and application of SCH-1 acidification mutual solvent were introduced. Compared with other domestic and foreign acidifying mutual solvents, SCH-1 has the advantages of maintaining water wettability of formation, eliminating oleic acid emulsion, reducing adsorption of formation inhibitor by acid corrosion inhibitor and preventing clogging of acid residue, etc. Excellent, while the price is only 1/2 of foreign products. As of the first half of 1999, the mutual solvent has been used in the field more than 300 times, the construction success rate of 100%, the effective rate of 93.3%, the cumulative oil more than 5 × 104t, additional injection of 513000m 3, and achieved good economic returns And social benefits.