乌马营二叠系致密砂岩气层测井评价方法的完善

doi:10.3969/j.issn.1672-9803.2021.01.013

录井工程 ›› 2021, Vol. 32 ›› Issue (1): 67-72.doi: 10.3969/j.issn.1672-9803.2021.01.013

乌马营二叠系致密砂岩气层测井评价方法的完善

邵阳^①, 刘俊东^①, 袁雪花^②, 徐明^①, 袁洪波^①, 席斌^①, 胡博^①, 刘洋^①

①中国石油集团测井有限公司天津分公司;
②中国石油大港分油田公司勘探开发研究院

收稿日期:2021-01-13 发布日期:2021-04-29
作者简介:邵阳高级工程师,1984年生,2010年毕业于东北石油大学地球探测与信息技术专业,获硕士学位,现在中油测井天津分公司从事测井解释与方法研究工作。通信地址:300280 天津市大港油田红旗路中油测井天津分公司。电话:(022)25962668。E-mail:shaoytj@cnpc.com.cn
基金资助:
中国石油天然气集团有限公司科学研究与技术开发项目“测井重大技术现场试验与集成配套”课题之三“低对比度油气层测井识别技术研究与应用”(编号:2019D-3809)

Improvement of logging evaluation method for Wumaying Permian tight sandstone gas reservoirs

SHAO Yang^①, LIU Jundong^①, YUAN Xuehua^②, XU Ming^①, YUAN Hongbo^①, XI Bin^①, HU Bo^①, LIU Yang^①

①Tianjin Branch of China Petroleum Logging Co., Ltd., Tianjin 300280,China;
②Research Institute of Exploration and Development, PetroChina Dagang Oilfield Company, Tianjin 300280,China

Received:2021-01-13 Published:2021-04-29

摘要/Abstract

摘要： 以大港油田乌马营地区YGXX井为代表的二叠系石盒子组深层低孔特低渗致密储集层目前勘探程度较低,没有形成配套的测井评价方法。针对乌马营二叠系致密砂岩含气储集层,利用岩心常规分析数据与测井曲线敏感参数相结合,优化储集层参数计算模型,并引入流动单元概念开展储集层有效性评价,建立了储集层有效性评价图板及重新计算渗透率、孔隙度比值(K'/ϕ')与电阻率比值(R_T/R_sh)交会图板,形成了一套致密砂岩气层的测井解释评价技术,填补了该层系致密砂岩储集层测井评价方法的欠缺。在乌马营地区应用6井次效果明显,解释符合率上升至82.4%。

关键词: 致密砂岩, 深层气, 响应特征, 储集层参数, 储集层有效性

Abstract: The deep low porosity and ultra-low permeability tight reservoir of Permian Shihezi Formation, represented by YGXX well in Wumaying area of Dagang Oilfield, has low degree of prospecting and no matching logging evaluation method has been formed. For Wumaying Permian tight sandstone gas-bearing reservoirs, based on the combination of core routine analysis data with sensitive parameters of well log, the calculation model of reservoir parameters is optimized, and the concept of flow unit is introduced to carry out reservoir effectiveness evaluation. The effectiveness evaluation chart and the crossplot chart of the recalculated ratio of porosity to permeability( K'/ϕ') and the resistivity ratio (R_T/R_sh) are established, a set of logging interpretation and evaluation technology for tight sandstone gas reservoir is formed, which fills the blank of logging evaluation method for tight sandstone reservoir of this layer series. The effect of 6 wells in Wumaying area is obvious, and the interpretation coincidence rate rises to 82.4%.

Key words: tight sandstone, deep gas, response characteristic, reservoir parameter, reservoir effectiveness

中图分类号:

TE132.1

邵阳, 刘俊东, 袁雪花, 徐明, 袁洪波, 席斌, 胡博, 刘洋. 乌马营二叠系致密砂岩气层测井评价方法的完善[J]. 录井工程, 2021, 32(1): 67-72.

SHAO Yang, LIU Jundong, YUAN Xuehua, XU Ming, YUAN Hongbo, XI Bin, HU Bo, LIU Yang. Improvement of logging evaluation method for Wumaying Permian tight sandstone gas reservoirs[J]. Mud Logging Engineering, 2021, 32(1): 67-72.

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乌马营二叠系致密砂岩气层测井评价方法的完善

Improvement of logging evaluation method for Wumaying Permian tight sandstone gas reservoirs

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