Zhang Zhenfeng, Zhang Shicheng, JiangXiaolan, Shan Xuejun. SELECTION AND APPLICATION OF ACID FLUID IN OFFSHORE FIELD[J]. Oil Drilling & Production Technology, 2001, 23(5): 57-60,85,86. DOI: 10.3969/j.issn.1000-7393.2001.05.017
Citation: Zhang Zhenfeng, Zhang Shicheng, JiangXiaolan, Shan Xuejun. SELECTION AND APPLICATION OF ACID FLUID IN OFFSHORE FIELD[J]. Oil Drilling & Production Technology, 2001, 23(5): 57-60,85,86. DOI: 10.3969/j.issn.1000-7393.2001.05.017
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SELECTION AND APPLICATION OF ACID FLUID IN OFFSHORE FIELD

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  • compound acid is used in accordance with the practical condition of pay zone at offshore Oilfield, such as high porosity and permeability, low bonding strength and gravel pacing. The compound acid has less damage and better suitable dissolving capacity to formation. It has remarkable effective on plug removing induced by drilling fluid and cement liquid too. According to demand of environment protection, there are many restrictions on acidizing at offshore field. The spend acid should be disposed before it is discharged. The compound acid is developed after experiment of selecting the type and concentration of acid, selecting additives and analyzing spend acid. Field testing at offshore Oilfield SZ36-1 are successful.
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