Resource assessment and exploration potential analysis of CBM in Hongguo Block, western Guizhou

ZHOU Dehua; LI Qianwen; CAI Xunyu; CHEN Gang

doi:10.13809/j.cnki.cn32-1825/te.2020.04.002

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Resource assessment and exploration potential analysis of CBM in Hongguo Block, western Guizhou

更新时间：2025-12-11

- Resource assessment and exploration potential analysis of CBM in Hongguo Block, western Guizhou
- Petroleum Reservoir Evaluation and Development Vol. 10, Issue 4, Pages: 12-16(2020)
- 作者机构：
  
  1. 中国石化油田事业部,北京 100728中国石化石油勘探开发研究院非常规资源研究所,北京,100083
  2. 中国石化石油勘探开发研究院非常规资源研究所,北京,100083
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2020.04.002
  CLC： TE122
- Published：2020
- 稿件说明：
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ZHOU Dehua, LI Qianwen, CAI Xunyu, et al. Resource assessment and exploration potential analysis of CBM in Hongguo Block, western Guizhou[J]. Petroleum Reservoir Evaluation and Development, 2020, 10(4): 12-16.
DOI：

ZHOU Dehua, LI Qianwen, CAI Xunyu, et al. Resource assessment and exploration potential analysis of CBM in Hongguo Block, western Guizhou[J]. Petroleum Reservoir Evaluation and Development, 2020, 10(4): 12-16. DOI： 10.13809/j.cnki.cn32-1825/te.2020.04.002.

摘要

为查明红果区块煤层气勘探潜力

利用煤炭钻孔及煤层气井资料

从地质背景、煤岩煤质、储层物性、含气性和保存条件等入手

系统分析了煤层气富集的基本地质条件

初步评价了煤层气的资源潜力

并对有利富气区进行综合评价与优选。结果认为：红果区块煤储层具有埋深适中（500~1 200 m）、累厚大（10.3~25.8 m）、热演化程度中等（0.9 %~2.0 %）、含气量高（10.8~26.3 m

/t）等特征

煤层气成藏地质条件优越。综合评价煤层气有利区面积260 km

资源量422×10

其中I

类有利区位于向斜东部

演化程度高、割理裂隙发育、压力系数高、保存条件优越

是下一步勘探评价的重点目标区。

Abstract

In order to evaluate the CBM exploration potential of Hongguo Block

the basic geological conditions for the enrichment of CBM reservoirs were analyzed from the aspects such as stratigraphic distribution

coal quality

physical characteristics

gas-bearing capacity and preservation conditions by the data of coal drilling and CBM wells. And then the resource potential of CBM was preliminarily accessed. Finally

the favorable gas-rich areas were further optimized. Results show that coal bed in Hongguo Block has the characteristics of moderate burial depth（500~1 200 m）

large accumulated thickness（10.3~25.8 m）

moderate thermal maturity（0.9 %~2.0 %） and high gas content（10.8~26.3 m

/t）

with super

ior geological conditions of CBM accumulation. By the comprehensive evaluation

the favorable CBM area is about 260 km

and the amount of resource is about 422×10

. The most favorable area type I

is located in the east of Panguan syncline

with high thermal evolution degree

developed cleavage and fissure

high pressure coefficient

and superior preservation conditions

which is the primary target area for the next CBM exploration.

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