摘要
本文介绍了由含氨基磺酸和多种助剂的商品缓速酸与氟化氢铵组成的酸化液ＨＳ－Ｆ，讨论了用于注水井解堵的原理和性能，报道了室内实验数据、施工工艺和现场试验结果。
The tit'ed system consists of a commercial compounded aminosulfonic acid(ASA) and ammonium hydrofluoride(AHF).The system ASA/AHG and the ASA solution are less reactive and less corrosive than HCI and mud acids.They dissolve and erode carbonate,clay,FeS and reservoir cores easily and quartz-very slightly.For reservoir cores treated by ASA and AHF in 3-5 cycles.the permeability is increased ty 9.5-21.2%.In 31 injection wells of 34,ASA/AHF acidization operations lead to enhanced injectivity.The reactions of ASA/AHF with reservoir minerals and precipitated salts are discussed and the laboratory performance evaluation and field tests of ASA/AHF acidizing system are described.
出处
《油田化学》
CAS
CSCD
北大核心
1995年第3期230-233,共4页
Oilfield Chemistry
关键词
氨基磺酸
氟化氢铵
解堵
注水井
压裂液
Aminosulfonic Acid/Ammonium Hydrofluoride Acidizing Fluid,Reservoir Blockage Removing,Water Injectivity Enhancement,Water Injection Wells,Retarded Acid,Acidization in Depth
