西南石油大学学报(自然科学版) ›› 2018, Vol. 40 ›› Issue (1): 78-88.DOI: 10.11885/j.issn.1674-5086.2017.05.10.04

• 地质勘探 • 上一篇    下一篇

页岩气水平井地质信息解析与三维构造建模

乔辉, 贾爱林, 位云生   

  1. 中国石油勘探开发研究院, 北京 海淀 100083
  • 收稿日期:2017-05-10 出版日期:2018-02-01 发布日期:2018-02-01
  • 通讯作者: 乔辉,E-mail:qiaohuixiangfan@163.com
  • 作者简介:乔辉,1986年生,女,汉族,湖北襄阳人,博士研究生,主要从事天然气开发评价研究。E-mail:qiaohuixiangfan@163.com;贾爱林,1966年生,男,汉族,内蒙古四子王旗人,教授级高级工程师,博士,主要从事油气田开发综合研究工作。E-mail:jal@petrochina.com.cn;位云生,1979年生,男,汉族,河南项城人,高级工程师,博士,主要从事天然气开发方面的研究工作。E-mail:weiys@petrochina.com.cn
  • 基金资助:
    国家科技重大专项(2016ZX05063002-002);中国石油页岩气钻采工程现场试验项目(2012F-4701-03)

Geological Information Analysis of Horizontal Wells and 3D Modeling of Shale Gas Reservoir

QIAO Hui, JIA Ailin, WEI Yunsheng   

  1. Research Institute of Petroleum Exploration and Development, PetroChina, Haidian, Beijing 100083, China
  • Received:2017-05-10 Online:2018-02-01 Published:2018-02-01

摘要: 页岩气开发具有开发评价期短,评价井少(直井)的特点,直井密度低增加了储层精细描述和地质建模的技术难度。因此,建立研究区地层的岩性、物性和电性特征的定量识别标准,利用该标准对水平井水平段开展精细小层划分,并对实际钻遇地层厚度进行校正,将水平井水平段等效为多口平面分布的直井。在此基础上,以水平井段解析的各小层数据资料作为控制点,建立研究区精细构造模型。水平井多点地质信息解析,将水平段等效为多口评价井获取相关地质参数资料,可有效地弥补评价井资料少的不足。

关键词: 优质页岩, 多点地质信息解析, 三维地质建模, 龙马溪组, 威远区块

Abstract: Shale gas exploration is characterized by short evaluation periods and few evaluation (vertical) wells. The low density of vertical wells for evaluation aggravates technical difficulties in detailed reservoir description and geological modeling. Therefore, this study established a quantitative identification standard for the lithological, physical, and electrical properties of the study area. This standard was used to carry out fine stratigraphic division of horizontal wells and sections, as well as performing stratum thickness corrections during actual drilling, to transform horizontal wells and sections into vertical wells with multiple laterally arranged openings. On this basis, data extracted from each layer of the horizontal section were used as control points to establish a detailed structural model of the study area. In the multiple-point geological information analysis, horizontal sections were considered multiple-opening evaluation wells to obtain relevant geological parameters, effectively compensating for the lack of data in evaluation wells.

Key words: high-quality shale, multiple-point geological information analysis, 3D geological modeling, Longmaxi Formation, Weiyuan Block

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