杭锦旗地区上古生界油气显示层含气性分析

Analysis for Hydrocarbon Showings of Upper Paleozoic in the Region of Hangjinqi

钻探表明,杭锦旗地区上古生界油气显示十分普遍且具有连片性.经对试气层段与典型气层和致密层分析,认为该区有一个明显特征:岩石胶结物的质量分数控制着储集层物性及孔隙结构的发育程度并对测井响应有一定影响,微孔喉制约着储层含气性.运用“声波时差”含气性识别法对该区油气显示层进行识别,结合试气成果拟定油气显示层含气性识别参数(半)定量标准,进而对该区油气显示层进行评价和试气分析,以此了解油气层空间展布特征和产能影响因素.

It is quite prevalent and implicative for hydrocarbon showings of upper paleozoic on drilling in the region of hangjinqi. Via analysis of reservoir, typical gas and tight zone, it has an obvious character that the content of cement controls reservoir property, pore texture growing, definitely effects logging responsibility and micropore controls hydrocarbon content. Hydrocarbon showings is distinguished with the recognizing method of “acoustic time”, and （half） quantitative assessment criterion of the distinguishing parameter for hydrocarbon showing testing, which is used to evaluate hydrocarbon showing, gas testing, meantime analyses the character of gas zone distributing and effeeting factor of testing production.