氦气资源的分类、特征及富集主控因素分析

陈新军; 丁一; 易晶晶; 陈刚

doi:10.11781/sysydz202301041

氦气资源的分类、特征及富集主控因素分析

doi: 10.11781/sysydz202301041

陈新军^{1, 2,},
丁一³,
易晶晶³,
陈刚^{1, 2}

1.
中国石化深部地质与资源重点实验室, 北京 100083
2.
中国石化石油勘探开发研究院, 北京 100083
3.
中国石化江汉油田分公司勘探开发研究院, 武汉 430223

基金项目:

中国石化基础前瞻专项 P19024

中国石化基础前瞻专项 P22210-1

详细信息

作者简介:
陈新军(1975-), 男, 博士, 高级工程师, 从事非常规资源研究。E-mail: chenxj.syky@sinopec.com

中图分类号: TE132.5
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出版历程
- 收稿日期: 2021-10-12
- 修回日期: 2022-11-10
- 刊出日期: 2023-01-28

Classified characteristics of helium gas resources and controlling factors for the enrichment

CHEN Xinjun^{1, 2
,},
DING Yi³,
YI Jingjing³,
CHEN Gang^{1, 2}

1.
SINOPEC Key Laboratory of Geology and Resources in Deep Stratum, Beijing 100083, China
2.
Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 100083, China
3.
Research Institute of Exploration and Development, SINOPEC Jianghan Oilfield Branch Company, Wuhan, Hubei 430223, China

摘要

摘要: 我国氦气供应量不足，根本原因是氦气资源相对贫乏。加强对富氦天然气的分类研究，明确不同类型氦气藏的特征及富集主控因素，对促进我国氦气勘探开发研究和保障我国用氦安全都具有重要意义。通过研究氦气的成因，同时考虑氦气资源丰度禀赋，铀、钍放射性元素所处空间层位，载体气藏类型，以及成藏主控因素的差别，对含氦气藏进行了细致划分。氦气藏总体分为两类：壳幔混合型和壳源型，壳源型又可细分为壳源远源型(包括烃类伴生型和水溶气型)和壳源近源型(页岩气型)，不同类型氦气资源特征大相径庭。从国内目前发现的氦气藏来看，只有与烃类气藏共同成藏的壳源氦才具有工业利用价值，尽管其资源品位相对较低，但资源潜力较大。壳源远源型和壳源近源型氦气藏富集主控因素大致相同，但在氦源岩和运移通道上存在差异。
- 壳幔混合型 /
- 壳源型 /
- 氦气 /
- 富氦天然气 /
- 中国
Abstract: The lack of helium resources accounts for the limited helium supply in China. It is of great significance to classify of helium-enriched natural gas according to the characteristics of helium reservoirs and the main controlling factors of helium enrichment, thus the exploration and development of helium can be promoted and the safety of helium use in China may be ensured. Based on the origin of helium, this paper classifies the helium reservoirs by the consideration of the abundance of helium resources, the spatial horizon of uranium and thorium radioactive elements, the types of carrier gas reservoirs, and the main controlling factors of helium accumulation. The helium gas resources can be characterized into two types: crust-mantle mixed type and crust-source type. Crust-source type can be further classified into crust-source far-source type (including hydrocarbon associated type and water-soluble gas type) and crust-source near-source type (shale gas type) with different characteristics. In terms of helium reservoirs discovered in China, only crust-source helium which was formed together with hydrocarbon gas reservoirs has industrial utilization value due to the great resource potential, although its resource grade is relatively low. The main controlling factors of helium accumulation in the crust-source far-source type and crust-source near-source type are roughly the same, but there are differences in helium sources and migration pathways.
- crust-mantle mixed type /
- crust-source type /
- helium gas /
- helium-rich natural gas /
- China

HTML全文

图 1 中国石化东部油气区壳幔混合源型氦气中的幔源、壳源氦含量

Figure 1. Contents of mantle- and crust-derived helium in crust-mantle mixed helium gas, eastern oil and gas fields of SINOPEC

下载: 全尺寸图片幻灯片

图 2 中国石化油气区壳源型氦气中的幔源氦含量

Figure 2. Contents of mantle-derived helium in crust-source helium gas, oil and gas fields of SINOPEC

下载: 全尺寸图片幻灯片

图 3 鄂尔多斯盆地东胜气田氦含量分布

Figure 3. Helium content in Dongsheng gas field, Ordos Basin

下载: 全尺寸图片幻灯片

图 4 四川盆地涪陵页岩气田氦气含量分布

Figure 4. Helium content of Fuling shale gas field, Sichuan Basin

下载: 全尺寸图片幻灯片

图 5 四川盆地涪陵页岩气田焦1井龙马溪组一段测井曲线特征

Figure 5. Logging curves of first member of Silurian Longmaxi Formation in well Jiao 1, Fuling shale gas field, Sichuan Basin

下载: 全尺寸图片幻灯片

图 6 鄂尔多斯盆地东胜气田氦气成藏模式

Figure 6. Helium accumulation model of Dongsheng gas field, Ordos Basin

下载: 全尺寸图片幻灯片

表 1 氦气资源分类及示例

Table 1. Helium resource classification and samples

项目	壳幔混合型	壳源型
项目	壳幔混合型	壳源远源型	壳源近源型
R/Ra	＞1	＜1	＜1
气藏特征	非烃气体伴生氦气	烃类气体伴生氦气	页岩气伴生氦气
氦含量及特征	氦含量相对较高	氦含量较低且分布不均	氦含量低且分布均匀
示例	黄桥气田：氦含量1.1%~1.4%，R/Ra为2.6~3.2；万金塔气田：氦含量平均0.104%，R/Ra最高为5.14；花沟地区：氦含量0.08%~5.11%，R/Ra为3.1~3.2；三水盆地：氦含量0.1%~0.3%，R/Ra为1.2~4.6	威远气田：氦含量平均0.2%，R/Ra为0.01~0.02；东胜气田：氦含量0.14%，R/Ra为0.01~0.02；等等	涪陵页岩气田：氦含量0.044%，R/Ra为0.004~0.03；永川页岩气田：氦含量0.041%，R/Ra为0.003；威荣页岩气田：氦含量0.030%，R/Ra为0.002~0.03；等等
示例		特例：水溶气伴生氦气，氦含量相对较高。渭河盆地水溶氦气，氦气含量0.1%~4.1%，R/Ra为1.2~4.6

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