四川盆地中部侏罗系大安寨段致密油高产稳产主控因素
发布时间：2019-07-08 12:53
【摘要】：通过系统分析四川盆地中部地区(川中地区)大安寨段致密油的基本地质特征,结合大量勘探开发数据,解剖致密油高产稳产主控因素及勘探方向。大安寨段致密油具有如下特征:资源量大,丰度低;储集层总体致密,发育相对优质储集层;源储一体(或紧邻),油气运聚有利;不同类型孔隙普遍含油,连续分布。开发实践揭示,致密油高产稳产井主要分布在滨湖沉积亚相中的裂缝-孔洞型储集层中,裂缝在大安寨段致密油高产稳产影响因素中至关重要,天然气在石油运聚以及油井的高产中起到了重要驱动(气驱)作用。结合高产稳产特征、勘探开发成效以及钻井投资成本等因素综合评价认为,川中南部地区的大安寨段为四川盆地侏罗系致密油效益勘探开发的现实领域。
文内图片：
图片说明：研究区位置图
[Abstract]:Based on the systematic analysis of the basic geological characteristics of tight oil in the central Sichuan Basin (central Sichuan), combined with a large number of exploration and development data, the main controlling factors and exploration direction of high and stable yield of dense oil are dissected. The dense oil in Da'anzhai section has the following characteristics: large resources and low abundance; the reservoir is generally dense and relatively high quality reservoirs are developed; the source reservoir is integrated (or adjacent), and the oil and gas migration and accumulation are favorable; different types of pores are generally oil-bearing and continuously distributed. The development practice shows that the tight oil high and stable production wells are mainly distributed in the fracture-pore reservoir in the lacustrine sedimentary subphase, and the fractures are very important in the influencing factors of the high and stable production of tight oil in Da'anzhai section. Natural gas plays an important driving role in oil migration and accumulation and the high yield of oil wells. Combined with the characteristics of high and stable production, the effect of exploration and development and the cost of drilling investment, it is considered that the Da Anzhai section in central and southern Sichuan is a realistic field for the exploration and development of Jurassic tight oil in Sichuan Basin.
【作者单位】： 中国石油西南油气田公司勘探开发研究院;中国石油西南油气田公司川中油气矿;中国石油勘探开发研究院;西南石油大学;
【基金】：国家油气重大专项“四川盆地致密油资源潜力、甜点区预测与关键技术应用”(2016ZX05046006-008)
【分类号】：TE34
本文编号：2511598
文内图片：
图片说明：研究区位置图
[Abstract]:Based on the systematic analysis of the basic geological characteristics of tight oil in the central Sichuan Basin (central Sichuan), combined with a large number of exploration and development data, the main controlling factors and exploration direction of high and stable yield of dense oil are dissected. The dense oil in Da'anzhai section has the following characteristics: large resources and low abundance; the reservoir is generally dense and relatively high quality reservoirs are developed; the source reservoir is integrated (or adjacent), and the oil and gas migration and accumulation are favorable; different types of pores are generally oil-bearing and continuously distributed. The development practice shows that the tight oil high and stable production wells are mainly distributed in the fracture-pore reservoir in the lacustrine sedimentary subphase, and the fractures are very important in the influencing factors of the high and stable production of tight oil in Da'anzhai section. Natural gas plays an important driving role in oil migration and accumulation and the high yield of oil wells. Combined with the characteristics of high and stable production, the effect of exploration and development and the cost of drilling investment, it is considered that the Da Anzhai section in central and southern Sichuan is a realistic field for the exploration and development of Jurassic tight oil in Sichuan Basin.
【作者单位】： 中国石油西南油气田公司勘探开发研究院;中国石油西南油气田公司川中油气矿;中国石油勘探开发研究院;西南石油大学;
【基金】：国家油气重大专项“四川盆地致密油资源潜力、甜点区预测与关键技术应用”(2016ZX05046006-008)
【分类号】：TE34
【相似文献】
相关期刊论文 前1条
1 滑东武,丁文国;大庆油田产能工程投入效用定量研究[J];油气田地面工程;1998年05期
，本文编号：2511598
本文链接：https://www.wllwen.com/kejilunwen/shiyounenyuanlunwen/2511598.html
