西南石油大学学报(自然科学版) ›› 1988, Vol. 10 ›› Issue (3): 1-10.DOI: 10.3863/j.issn.1000-2634.1989.03.001

• 地质勘探 •    下一篇

双河油田核三段砂岩次生孔隙体系的镜下观察及目估采收率

马青 刘学锋
  

  1. (石油勘探系) (河南油田研完院)
  • 收稿日期:1987-10-21 修回日期:1900-01-01 出版日期:1988-08-20 发布日期:1988-08-20
  • 通讯作者: 马青

THIN-SECYION ANALYSIS AND VISUAL ESTIMATION OF RECOVERY FACTOR OF HE-3 MEMBER IN SANDSTONE SECONDARY PORE SYSTEMS IN SHUANGHE OIL FIELD

Ma Qing Liu Xue-feng
  

  1. (Dept·of Exploration) (Henan oil Field Research Institute)
  • Received:1987-10-21 Revised:1900-01-01 Online:1988-08-20 Published:1988-08-20
  • Contact: Ma Qing

摘要: 我们通过铸体薄片观察了双河油田、核三段砂岩的次生孔陈体系特征,划分出四种孔隙度区域和9种孔隙网络类型,并给出了相应孔隙网络的压汞曲线和孔隙结构参数,在此基础上给出了每种孔隙网络的目估采收率范一围,最后用加权平均法算出双河油田核三段原油采收率40.5%

关键词: 孔隙网络类型, 采收率, 次生孔隙

Abstract: By using resin thin-section, the characteristics of secondary pore sys-tem
in HE-3 member of sandstone are observed in Shuanghe oil field.
Four porosityareas and nine types of pore networks are divided, and
capillary pressure curves and pore structure parameters of corresponding
samples are given out in this paper.On this basis, visually-estimated
recovery factors of all kinds of pore networks are presented.And it is
found that the oil recovery factor of HE- 3 member in Shuanghe oilfield
is 40.5%,which is calculated by the weighted average method,

Key words: pore networks types, resovery factor, secondary pores