[1]田兴旺,张玺华,彭瀚霖,等.川中高石梯—磨溪地区震旦系灯影组四段气藏产能差异[J].新疆石油地质,2019,(06):673.[doi:10.7657/XJPG20190606]
 TIAN Xingwang,ZHANG Xihua,PENG Hanlin,et al.Productivity Differences of Gas Reservoirs in the Fourth Member of Sinian Dengying Formation in GaoshitiMoxi Area, Central Sichuan Basin[J].Xinjiang Petroleum Geology,2019,(06):673.[doi:10.7657/XJPG20190606]
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川中高石梯—磨溪地区震旦系灯影组四段气藏产能差异()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2019年06期
页码:
673
栏目:
出版日期:
2019-12-01

文章信息/Info

Title:
Productivity Differences of Gas Reservoirs in the Fourth Member of Sinian Dengying Formation in GaoshitiMoxi Area, Central Sichuan Basin
文章编号:
1001-3873(2019)06-0673-07
作者:
田兴旺张玺华彭瀚霖马奎杨岱林孙奕婷
(中国石油 西南油气田分公司 勘探开发研究院,成都 610041)
Author(s):
TIAN Xingwang ZHANG Xihua PENG Hanlin MA Kui YANG Dailin SUN Yiting
(Research Institute of Exploration and Development, Southwest Oil & Gas Field Company, PetroChina, Chengdu, Sichuan 610041, China)
关键词:
四川盆地高石梯—磨溪地区震旦系灯影组岩性-地层气藏产能差异
Keywords:
Sichuan basin Gaoshiti-Moxi area Sinian Dengying formation lithological-stratigraphic gas reservoir productivity difference
分类号:
TE112
DOI:
10.7657/XJPG20190606
文献标志码:
A
摘要:
川中高石梯—磨溪地区震旦系灯影组岩性复杂、储集层非均质性强,东部台内地区产能明显差于西部台缘地区,整体效益勘探面临较大挑战。利用岩心、测井、录井、地震等资料,从沉积环境、储集层成岩作用、油气充注距离等方面入手,探讨了研究区灯影组四段气藏产能差异的主要控制因素,并提出了地质工程上的技术对策。结果表明,西部台缘地区和东部台内地区测试产量差异显著,西部台缘地区气层段厚度大,测试产能高,东部台内地区气层段厚度小,测试产量低;造成产能差异大的主要影响因素包括有利丘滩相发育程度、桐湾运动末期表生岩溶作用强度、储集层纵向发育程度和发育位置、距生烃中心横向距离等。根据4类储集层特征和储集层地震响应特征,优选直井、大斜度井和水平井进行钻探,提高优质储集层钻遇率和单井产气量,有效指导研究区天然气勘探开发部署并取得良好应用效果。
Abstract:
Sinian Dengying formation in Gaoshiti-Moxi area of central Sichuan basin is characterized by complicated lithologies and strong heterogeneity. The productivity in the western platform margin area is higher than that in eastern platform area and efficient exploration is facing great challenges. Using the data of core, logging and seismic and starting from sedimentary environment, reservoir diagenesis and hydrocarbon charging distance, the paper discusses the main factors controlling the productivity differences of the gas reservoirs in the fourth member of Dengying formation in the study area and proposes technical countermeasures on geological engineering. The results show that the tested productions in the western platform margin and the eastern platform are significantly different, the tested production of the western platform margin area is high due to large thickness of the gas zone, while that of the eastern platform is low due to small thickness of the gas zone; the main influencing factors for the productivity difference include the development degree of favorable dome-beach facies, intensity of karstification at the end of Tongwan movement, reservoir vertical development degree and position, and lateral distance to hydrocarbon generation center etc. According to the characteristics of the reservoir and its seismic responses, vertical well, highly-deviated well and horizontal well are selected to improve high quality reservoir penetration ratio and single well production, which can effectively guide the natural gas exploration and development and good effects have been gained in the study area

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更新日期/Last Update: 2019-11-25