延长油气区页岩气可采系数标定研究

doi:10.12108/yxyqc.20180506

岩性油气藏 ›› 2018, Vol. 30 ›› Issue (5): 51–58.doi: 10.12108/yxyqc.20180506

延长油气区页岩气可采系数标定研究

刘刚, 赵谦平, 刘超, 孙建博, 尹锦涛

陕西延长石油(集团)有限责任公司研究院, 西安 710075

收稿日期:2017-09-27 修回日期:2018-04-04 出版日期:2018-09-14 发布日期:2018-09-14
第一作者:刘刚(1985-),男,硕士,工程师,主要从事非常规油气勘探开发领域的研究。地址:(710075)陕西省西安市高新区科技二路75号延长石油研究院。Email:liugang8558@126.com。
基金资助:
国土资源部“十三五”全国油气资源评价项目课题“延长石油矿权区油气资源评价”（编号：2017YQZYPJ0110）资助

Recoverable coefficient calibration of shale gas in Yanchang Oilfield,Ordos Basin

LIU Gang, ZHAO Qianping, LIU Chao, SUN Jianbo, YIN Jintao

Research Institute of Shaanxi Yanchang Petroleum(Group) Co., Ltd, Xi'an 710075, China

Received:2017-09-27 Revised:2018-04-04 Online:2018-09-14 Published:2018-09-14

摘要/Abstract

摘要： 在勘探开发程度较低的页岩气区块，可采系数标定成为区块开展页岩气可采资源量评价工作的重要方法，然而国内目前尚未对页岩气可采系数标定进行系统研究。为填补国内页岩气可采系数标定研究的技术缺失，以延长油气区页岩气区块作为研究对象，结合研究区当前勘探特征，综合选取出3种适用于当前页岩气勘探程度的页岩气标定方法（类比法、参数加权法和等温吸附法），根据3种方法在实际区块的可靠度分析进行特尔菲加权，获取区块准确的页岩气可采系数，最终探究出适合页岩气低勘探程度条件的区块可采系数标定方法。应用延长油气区页岩气勘探成果和认识对页岩气可采系数标定方法进行了实际应用，最终得到延长油气区页岩气中生界可采系数为0.132，上古生界可采系数为0.201。该方法对延长油气区页岩气的深入勘探开发具有指导作用，同时可为国内类似页岩气区块的可采资源量评价研究提供技术借鉴。

关键词: 页岩气, 可采资源量, 可采系数, 延长油田

Abstract: The recoverable coefficient calibration of shale gas is the preferred method of shale gas resources evaluation for the area of low exploration degree. To take the shale gas zone in Yanchang Oilfield as the target,three fitting methods(analogy method,parameter weighting method and isothermal adsorption method) were used to calibrate the shale gas recoverable coefficient. Delphi weighting method was used to get accurate result in the actual block. With the exploration achievements of shale gas in Yanchang Oilfield,the method in this paper was used to calibrate the shale gas recoverable coefficient. The results show that the value of Triassic Yancheng Formation is 0.132,and the value of Upper Paleozoic Shanxi Formation and Benxi Formation is 0.201. The result could be important guidance for further exploration and development of shale gas in Yanchang Oilfield,it can also provide associated technical reference for the shale gas evaluation research in the other basins.

Key words: shale gas, recoverable resources, recoverable coefficient, Yanchang Oilfield

中图分类号:

TE155

刘刚, 赵谦平, 刘超, 孙建博, 尹锦涛. 延长油气区页岩气可采系数标定研究[J]. 岩性油气藏, 2018, 30(5): 51–58.

LIU Gang, ZHAO Qianping, LIU Chao, SUN Jianbo, YIN Jintao. Recoverable coefficient calibration of shale gas in Yanchang Oilfield,Ordos Basin[J]. Lithologic Reservoirs, 2018, 30(5): 51–58.

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延长油气区页岩气可采系数标定研究

Recoverable coefficient calibration of shale gas in Yanchang Oilfield,Ordos Basin

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