西南石油大学学报（自然科学版）2012，Vol.34Issue(1)：108-114,7.DOI:10.3863/j.issn.1674-5086.2012.01.017
储层伤害试井评价新方法研究
Research on A New Method of Well Testing Analysis for Formation Damage Evaluation
摘要
Abstract
A reasonable and precise formation damage evaluation is of great significance in guiding the development of oil and gas reservoir. The conventional method for formation damage evaluation mainly depends on skin factor and the McKinley type curves match, by which the permeability of the damaged zone can be calculated. However, because of the solution ambiguity of the McKinley match, this method may result in great deviation, which further influences the accuracy of decomposition of skin factor. A new model of modified McKinley well testing analysis method is established, and then its solution is got by the Laplace transformation. Moreover, the new theoretical type curves (the modified McKinley type curves) are drawn up by programming. Eventually a new analysis method of matching that can precisely calculate the permeability of damaged zone is obtained. Hawkins formula is used to calculate true shin factor and the damaged radius, and on the basis of we evaluate formation damage of well testing permeability of the damaged zone, true shin factor and the damaged radius. Finally the cases of real oil wells are illustrated and the results accord with the fact, which can be references to formation improvements and measures taking.关键词
污染带渗透率/真表皮系数/污染带半径/储层伤害评价/试井Key words
permeability of the damaged zone/ true skin factor/ the damaged radius/ formation damage evaluation/ well testing分类
能源科技引用本文复制引用
霍进,陈陆建,王本成,桑林翔,刘海上..储层伤害试井评价新方法研究[J].西南石油大学学报（自然科学版）,2012,34(1):108-114,7.基金项目
中国石油总公司重点工程攻关项目(971007110165). （971007110165）
