[1]魏红兴,谢亚妮,莫 涛,等.迪北气藏致密砂岩储集层裂缝发育特征及其对成藏的控制作用[J].新疆石油地质,2015,36(06):702.[doi:10.7657/XJPG20150612]
 WEI Hongxing,XIE Yani,MO Tao,et al.Fracture Characteristic and Its Contribution to Hydrocarbon Accumulation in Tight Sandstone Reservoir in Dibei Gas Pool in Kuqa Depression, Tarim Basin[J].Xinjiang Petroleum Geology,2015,36(06):702.[doi:10.7657/XJPG20150612]
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迪北气藏致密砂岩储集层裂缝发育特征及其对成藏的控制作用()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
36
期数:
2015年06期
页码:
702
栏目:
出版日期:
2015-12-01

文章信息/Info

Title:
Fracture Characteristic and Its Contribution to Hydrocarbon Accumulation in Tight Sandstone Reservoir in Dibei Gas Pool in Kuqa Depression, Tarim Basin
文章编号:
1001-3873(2015)06-0702-06
作者:
魏红兴谢亚妮莫 涛王佐涛黎 立史玲玲
(中国石油 塔里木油田分公司 勘探开发研究院,新疆 库尔勒 841000)
Author(s):
WEI Hongxing XIE Yani MO Tao WANG Zuotao LI Li SHI Lingling
(Research Institute of Exploration and Development,Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China)
关键词:
塔里木盆地库车坳陷迪北气藏致密砂岩裂缝气驱水实验含气饱和度
Keywords:
Tarim basin Kuqa depression Dibei gas reservoir tight sandstone fracture gas drive water experiment gas saturation
分类号:
TE112.23
DOI:
10.7657/XJPG20150612
文献标志码:
A
摘要:
迪北气藏位于库车坳陷东部,其储集层为侏罗系阿合组致密砂岩。通过对侏罗系露头剖面的观测、岩心描述以及岩心薄片分析的统计,确定了迪北气藏致密砂岩储集层储集空间以粒间溶蚀孔隙为主,同时发育大量的裂缝。通过对露头裂缝的描述与统计,认为裂缝发育程度受区域位置、岩性、砂体厚度、构造应力强度等作用影响。对该区致密砂岩岩心开展气驱水实验,表明在致密储集层中裂缝能够显著提高气体的成藏充注效率,在裂缝发育区含气饱和度较高,控制了迪北气藏天然气的富集。
Abstract:
Dibei gas pool is located in eastern Kuqa depression, its reservoir rock is tight sandstone of the Jurassic Ahe formation. This paper makes observation of the Jurassic outcrop section, description of the drilling core, and statistics of the casting thin?section analysis data,and then determines that the reservoir space is dominated by intergranular dissolution pores and a lot of fractures in this reservoir rock.Through description and statistics of the outcrop fractures, it suggests that the fracture?developed degree is controlled by the regional location, lithology, sand body thickness, and tectonic stress intensity, etc. The gas drive water experiment on the tight sandstone cores indicates that fractures can greatly improve the charging efficiency of gas accumulation, thus forming higher gas saturation in fracture?developed area, and controlling the natural gas enrichment of Dibei gas pool

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更新日期/Last Update: 2015-12-28