1 Introduction There exist calcium and sulfate ions outside sodium chloride in solution mining for calcium sulfate brine.The calcium and sulfate ions not only affect the purity of the vacuum salt products,but also inc...1 Introduction There exist calcium and sulfate ions outside sodium chloride in solution mining for calcium sulfate brine.The calcium and sulfate ions not only affect the purity of the vacuum salt products,but also increase the scaling of vacuum evaporation tanks and brine reusing pipes.Additives have certain impacts on the crystallization dynamics(Randolph et al.,1971).The crystallization展开更多
1 Introduction Calcium sulfate deposition is one of the most important and serious problems faced by heat transfer equipment during operation(Pavlos et al.,1999;Liu et al.,1996).The crystallization of calcium sulfate ...1 Introduction Calcium sulfate deposition is one of the most important and serious problems faced by heat transfer equipment during operation(Pavlos et al.,1999;Liu et al.,1996).The crystallization of calcium sulfate is known as a major展开更多
基于M油田盐膏层水平井定向造斜中所出现的各项异性蠕变特性,利用甲酸钾协同防沉降超细加重剂组合(WiPar)设计了一套具有良好的抗盐、抗钙侵能力,润滑性和抑制性的高密度盐水钻井液配方体系。评测结果表明,采用HCOOK/WiPar BA 6#/WiPar ...基于M油田盐膏层水平井定向造斜中所出现的各项异性蠕变特性,利用甲酸钾协同防沉降超细加重剂组合(WiPar)设计了一套具有良好的抗盐、抗钙侵能力,润滑性和抑制性的高密度盐水钻井液配方体系。评测结果表明,采用HCOOK/WiPar BA 6#/WiPar CD 3#(15∶9∶1)复配加重剂组合的盐水钻井液浆体稳定、流动性好,滤失量低于2.5 mL,且具有良好的抗石膏、石盐、芒硝及黏土侵污能力,同时还具备较好的抑制性和润滑性,能有效满足现场作业要求。展开更多
基金financial support of National Nature Science Foundation (21376178)TIDA giant growth plan (2011-XJR13020)+3 种基金Tianjin Science and technology support program (12ZCDZSF06900)Tianjin University of Science and Technology fund for scientific research (20120119)Tianjin education commission program (20130509)Research fund for the doctoral program of higher education of China (20131208120001)
文摘1 Introduction There exist calcium and sulfate ions outside sodium chloride in solution mining for calcium sulfate brine.The calcium and sulfate ions not only affect the purity of the vacuum salt products,but also increase the scaling of vacuum evaporation tanks and brine reusing pipes.Additives have certain impacts on the crystallization dynamics(Randolph et al.,1971).The crystallization
基金financial support of National Nature Science Foundation (21376178)TIDA giant growth plan (2011-XJR13020)+3 种基金Tianjin Science and technology support program (12ZCDZSF06900)Tianjin University of Science and Technology fund for scientific research (20120119)Tianjin education commission program (20130509)Research fund for the doctoral program of higher education of China(20131208120001)
文摘1 Introduction Calcium sulfate deposition is one of the most important and serious problems faced by heat transfer equipment during operation(Pavlos et al.,1999;Liu et al.,1996).The crystallization of calcium sulfate is known as a major
文摘基于M油田盐膏层水平井定向造斜中所出现的各项异性蠕变特性,利用甲酸钾协同防沉降超细加重剂组合(WiPar)设计了一套具有良好的抗盐、抗钙侵能力,润滑性和抑制性的高密度盐水钻井液配方体系。评测结果表明,采用HCOOK/WiPar BA 6#/WiPar CD 3#(15∶9∶1)复配加重剂组合的盐水钻井液浆体稳定、流动性好,滤失量低于2.5 mL,且具有良好的抗石膏、石盐、芒硝及黏土侵污能力,同时还具备较好的抑制性和润滑性,能有效满足现场作业要求。
