致密碎屑岩气藏可压裂性测井评价方法及应用——以松辽盆地王府断陷登娄库组为例

doi:10.12108/yxyqc.20180315

岩性油气藏 ›› 2018, Vol. 30 ›› Issue (3): 133–142.doi: 10.12108/yxyqc.20180315

致密碎屑岩气藏可压裂性测井评价方法及应用——以松辽盆地王府断陷登娄库组为例

张少龙¹, 闫建平^1,2, 唐洪明¹, 孙红³, 王敏⁴, 董政⁵

1. 西南石油大学地球科学与技术学院, 成都 610500;
2. 西南石油大学天然气地质四川省重点实验室, 成都 610500;
3. 中国石油吉林油田分公司勘探开发研究院, 吉林松原 138000;
4. 中国石化胜利油田分公司勘探开发研究院, 山东东营 257015;
5. 中国石油集团川庆钻探工程有限公司测井公司, 重庆 400021

收稿日期:2017-11-25 修回日期:2018-01-12 出版日期:2018-05-21 发布日期:2018-05-21
通讯作者: 闫建平(1980-),男,博士,副教授,主要从事测井地质学及岩石物理学方面的教学与科研工作。Email:yanjp_tj@163.com E-mail:yanjp_tj@163.com
作者简介:张少龙(1994-),男,西南石油大学在读硕士研究生,研究方向为测井地质学。地址:(610500)四川省成都市西南石油大学地球科学与技术学院。Email:kylin0924@163.com
基金资助:
国家自然科学基金项目“页岩气储层纳米尺度非均质性研究”（编号：51674211）、四川省科技厅应用基础研究计划项目“泥页岩地层周期及高分辨率沉积旋回测井识别研究”（编号：2015JY0200）、油气藏地质及开发工程国家重点实验室（西南石油大学）开放课题“裂缝-基质相互作用和页岩油气开采的基础研究”（编号：PLN201702）及中国石油吉林油田分公司勘探开发研究院项目“王府断陷碎屑岩致密气测井评价”（编号：JS2015-W-13-JZ）联合资助

Logging fracturing evaluation for tight clastic gas reservoir and its application: a case from Denglouku Formation in Wangfu fault depression, Songliao Basin

ZHANG Shaolong¹, YAN Jianping^1,2, TANG Hongming¹, SUN Hong³, WANG Min⁴, DONGZheng⁵

1. School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China;
2. Sichuan Key Laboratory of Natural Gas Geology, Southwest Petroleum University, Chengdu 610500, China;
3. Research Institute of Exploration and Development, PetroChina Jilin Oilfield Company, Songyuan 138000, Jilin, China;
4. Research Institute of Exploration and Development, Shengli Oilfield Company, Sinopec, Dongying 257015, Shandong, China;
5. Logging Division of Chuanqing Drilling Engineering Ltd Co., CNPC, Chongqing 400021, China

Received:2017-11-25 Revised:2018-01-12 Online:2018-05-21 Published:2018-05-21

摘要/Abstract

摘要： 松辽盆地王府断陷登娄库组致密碎屑岩气藏隔夹层发育，具有多套气水旋回，压裂开发难度较大。为了实现高效生产，利用登娄库组岩心测试、偶极横波及常规测井等资料，采用层次分析法确定了储层可压裂性敏感参数及各敏感参数权重，并在可压裂级别划分的基础上，建立了针对隔夹层发育的致密碎屑岩气藏薄储层可压裂高度预测方法。研究表明：王府断陷登娄库组致密薄储层可压裂性评价的敏感参数有脆性矿物含量、脆性指数、杨氏模量和泊松比，且脆性矿物含量高、脆性指数大、杨氏模量高、泊松比低的储层段往往可压裂性较好；当综合压裂系数I_cr> 0.55时，储层压裂级别为Ⅰ级，适合压裂开发；利用本文建立的方法预测C11井登娄库组压裂高度效果较好，当压裂压力为33.5 MPa时，目的层段压裂高度为7.125 m，且不会造成出水，预测结果与实际压裂结果相符合。研究成果为王府断陷登娄库组及相同类型致密气藏的有效开发提供了技术依据。

关键词: 高凝油, 微生物采油技术, 嗜热脂肪地芽孢杆菌, 嗜热脱氮地芽孢杆菌, 铜绿假单胞菌

Abstract: Tight clastic gas reservoir of Denglouku Formation in Wangfu fault depression,Songliao Basin, is characterized by well-developed interlayers, multiple sets of gas water cycles and great difficulty in fracturing deve lopment. In order to overcome these difficulties for efficient production,combined with the data of core analysis, dipole shear wave and conventional logging,analytic hierarchy process was used to determine the parameters which are sensitive to reservoir fracturing property and their weight. The prediction method of fracturing height for tight clastic gas reservoir with interlayer well-developed was established after dividing fracturing grade. The results show that the sensitive parameters of fracturing evaluation for the tight and thin reservoirs of Denglouku Formation in Wangfu fault depression are brittle mineral content,brittleness index, Young's modulus and Poisson's ratio. Reservoirs with high content of brittle minerals,large brittleness index,large Young's modulus and low Poisson' ratio often have good fracturing property. When the comprehensive fracturing coefficient is greater than 0.55,the reservoir fracturing grade is grade I,which is suitable for fracturing development. There is a good ap plication effect on predicting the fracturing height of Denglouku Formation in well C11 by this method. The fractur ing height of the target zone is 7.125 m without water in the exploration process when the fracturing pressure is 33.5 MPa. The prediction results are in accordance with the actual fracturing results. The research results provide a technical basis for the effective exploitation of tight gas reservoirs.

Key words: high-pour point oil, microbial enhanced oil recovery, Geobacillus stearothermophilus, Geobacillus thermodenitrificans, Pseudomonas aeruginosa

中图分类号:

TE37

张少龙, 闫建平, 唐洪明, 孙红, 王敏, 董政. 致密碎屑岩气藏可压裂性测井评价方法及应用——以松辽盆地王府断陷登娄库组为例[J]. 岩性油气藏, 2018, 30(3): 133–142.

ZHANG Shaolong, YAN Jianping, TANG Hongming, SUN Hong, WANG Min, DONGZheng. Logging fracturing evaluation for tight clastic gas reservoir and its application: a case from Denglouku Formation in Wangfu fault depression, Songliao Basin[J]. Lithologic Reservoirs, 2018, 30(3): 133–142.

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致密碎屑岩气藏可压裂性测井评价方法及应用——以松辽盆地王府断陷登娄库组为例

Logging fracturing evaluation for tight clastic gas reservoir and its application: a case from Denglouku Formation in Wangfu fault depression, Songliao Basin

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