[1]田瀚,冯庆付,李昌,等.碳酸盐岩缝洞型储层有效性评价新方法[J].测井技术,2019,43(02):135-139.[doi:10.16489/j.issn.1004-1338.2019.02.005]
 TIAN Han,FENG Qingfu,LI Chang,et al.A New Method for Evaluating the Effectiveness of Fractured-vuggy Carbonate Reservoirs[J].WELL LOGGING TECHNOLOGY,2019,43(02):135-139.[doi:10.16489/j.issn.1004-1338.2019.02.005]
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碳酸盐岩缝洞型储层有效性评价新方法()
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《测井技术》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第43卷
期数:
2019年02期
页码:
135-139
栏目:
处理解释
出版日期:
2019-06-20

文章信息/Info

Title:
A New Method for Evaluating the Effectiveness of Fractured-vuggy Carbonate Reservoirs
文章编号:
1004-1338(2019)02-0135-05
作者:
田瀚12 冯庆付2 李昌1 田明智1 李文正12 张豪12 谷明峰12
(1.中国石油杭州地质研究院, 杭州 浙江 310023; 2.中国石油勘探开发研究院四川盆地研究中心, 成都 四川 610041)
Author(s):
TIAN Han12 FENG Qingfu1 LI Chang1 TIAN Mingzhi1 LI Wenzheng12 ZHANG Hao12 GU Mingfeng12
(1. Hangzhou Research Institute of Geology, PetroChina, Hangzhou, Zhejiang 310023, China; 2. Research Institute of Sichuan Basin, PetroChina Research Institute of Petroleum Exploration & Development, Chengdu, Sichuan 610041, China)
关键词:
测井解释 碳酸盐岩 缝洞型储层 胶结指数 有效性评价
Keywords:
log interpretation carbonate rock fractured-vuggy reservoir cementation factor evaluation of reservoir effectiveness
分类号:
P631.84
DOI:
10.16489/j.issn.1004-1338.2019.02.005
文献标志码:
A
摘要:
碳酸盐岩储层孔隙类型多样,孔隙结构复杂,单一的孔隙度难以描述储层的有效性。以四川盆地高石梯磨溪地区龙王庙组缝洞型储层为例,优选出胶结指数m和基质孔隙度占比2个参数建立了储层有效性评价方法,胶结指数m采用新提出的基于裂缝形态的多孔介质模型计算得到,该模型可以计算出随深度变化的胶结指数m值,且精度高。研究发现,产层胶结指数m通常小于2.25,基质孔隙度占比大于44%; 差产层胶结指数m通常小于2.25,基质孔隙度占比小于44%,或者,胶结指数m大于2.25,基质孔隙度占比大于44%; 干层胶结指数m通常大于2.25且基质孔隙度占比小于44%。应用结果表明,该方法显著提高了研究区储层有效性评价精度。
Abstract:
Due to various pore types and complex pore structures, it is difficult to describe the effectiveness of carbonate reservoirs with a single porosity. Taking the fractured-vuggy reservoir of Longwangmiao Formation in Gaoshiti-Moxi area of Sichuan Basin as an example, two parameters, cementation index m and the ratio of matrix porosity, were selected to establish an evaluation method for evaluating reservoir effectiveness. Cementation index m was calculated by a new porous medium model based on fracture morphology. Using the model, the cementation index is very precise and can vary with depth. It is found that for high-quality reservoirs, the cementation index m is usually less than 2.25 and the ratio of matrix porosity is more than 44%; for poor reservoirs, the cementation index m is usually less than 2.25 and the matrix porosity ratio is less than 44%, or the cementation index m is more than 2.25 and the matrix porosity ratio is more than 44%; for dry layers, the cementation index m is usually more than 2.25 and the matrix porosity ratio is less than 44%. The application results show that the method can significantly improve the accuracy of reservoir evaluation in the study area.

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备注/Memo

备注/Memo:
(收稿日期: 2018-10-09 本文编辑 肖圣)基金项目: 国家科技重大专项“大型油气田及煤层气开发”(2017ZX05008-005); 中国石油科技部重点项目“深层-超深层油气富集规律与区带目标评价”(2018A-0105) 第一作者: 田瀚,男,1989年生,工程师,从事碳酸盐岩测井地质学研究。E-mail:tianh_hz@Petrochina.com.cn
更新日期/Last Update: 2019-06-20