Reacted acid and secondary precipitate can not be eliminated on time, affecting the effectiveness of acidizing treatment. Repeated acidizings creat passageway in the formation.
河口低渗透油藏常规酸化后酸液返排困难,致使残酸和二次沉淀不能及时清除,影响了酸化效果;反复酸化形成了大的酸蚀通道,使得酸液沿大通道流走,酸化效果逐渐变差;有的井酸化后含水急剧上升。
参考来源 - 河口低渗油藏泡沫酸分流酸化技术研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
Dimethylpyrazine reacted with phenylacetic acid, silver nitrate and ammonium persulfate.
二甲基吡嗪与苯乙酸，硝酸银和过硫酸铵反应。
Then wetting agents are added such as sulfonated tallow -- animal fats chemically reacted with sulfuric acid.
像磺化的兽脂（动物脂肪往往与硫磺酸发生化学反应）这样润湿剂被加入到其中。
A new non-ionic antistatic agent of fat alkanolamide was synthesized by reacted stearic acid (SA) and alkanolamide (DEA), and the effect of reaction conditions on the yield were studied.
以硬脂酸(SA)和二乙醇胺(DEA)为原料，在自制催化剂的催化下合成了一种脂肪烷醇酰胺类非离子型抗静电剂。
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