中国石油油气资源潜力分析与勘探选区思考

胡素云; 李建忠; 王铜山; 汪泽成; 杨涛; 李欣; 侯连华; 袁选俊; 朱如凯; 白斌; 卓勤功

doi:10.11781/sysydz202005813

中国石油油气资源潜力分析与勘探选区思考

doi: 10.11781/sysydz202005813

中国石油勘探开发研究院, 北京 100083

基金项目:

国家油气专项“我国含油气盆地深层油气分布规律与资源评价” 2017ZX05008-006

中国石油股份有限公司科技项目“深层—超深层油气成藏过程与勘探新领域” 2018A-0104

详细信息

作者简介:
胡素云(1963-), 男, 博士, 教授级高级工程师, 从事石油地质综合研究和非常规油气研究。E-mail: husy@petrochina.com.cn

中图分类号: TE155
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出版历程
- 收稿日期: 2020-04-29
- 修回日期: 2020-07-16
- 刊出日期: 2020-09-28

CNPC oil and gas resource potential and exploration target selection

PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, China

摘要

摘要: 随着油气勘探工作的不断深入，勘探难度日益加大、勘探对象和资源赋存条件更加复杂，更加亟需明确油气勘探现状与挑战，评价国内常规与非常规油气资源潜力，明确剩余油气资源分布特点，评价落实重点勘探领域与有利勘探区带，夯实油气资源家底。中国石油天然气集团有限公司面对新形势、新要求，提出五大举措强力推进油气勘探，取得了10项战略发现和10项重大突破，中西部地区集中勘探落实了15个规模储量区，油气探明储量持续保持高位增长。梳理了中国石油近十年来油气油气勘探形势、挑战及重要举措，分析了中国石油剩余油气资源潜力及分布状况，论述了中国石油探区未来油气勘探重点领域、方向和区带，明确提出深层海相碳酸盐岩、岩性地层、前陆冲断带下组合以及页岩油等四大领域是未来油气勘探突破发现和规模增储的重点。
- 油气资源 /
- 勘探形势 /
- 剩余资源潜力 /
- 勘探选区 /
- 中国石油
Abstract: Exploration and development of oil and gas is becoming increasingly difficult, and exploration targets and resource occurrence conditions are becoming more complex. Therefore, it is urgent to clarify the current situation and challenges of oil and gas exploration to evaluate the potential of domestic conventional and unconventional oil and gas resources, to illuminate the distribution characteristics of the remaining oil and gas resources, to evaluate and implement key exploration areas and favorable exploration zones, and to consolidate domestic oil and gas resources. In face of the new situation and new requirements, China National Petroleum Corporation (CNPC) has proposed five measures to strongly support oil and gas exploration. They have made 10 strategic discoveries and 10 major breakthroughs, and explored 15 large-scale reserves distributed in the central and western regions in China. Furthermore, proven reserves of oil and gas continued to grow at a high level. In this study, we summarized the oil-and-gas exploration situation, challenges and important measures of CNPC in the past ten years, and analyzed the potential and distribution of CNPC remaining oil and gas resources. The key areas and directions for oil-and-gas explorations of CNPC were discussed. It is indicated that the four areas of deep marine carbonate, lithologic strata, the lower reservoir-forming combination in the foreland thrust belt and shale oil are still the key points for breakthrough discoveries of future oil and gas exploration and large-scale reserves growth.
- oil and gas resource /
- exploration situation /
- remaining resource potential /
- exploration target /
- CNPC

HTML全文

图 1 我国石油和天然气对外依存度变化趋势

Figure 1. Trends in external dependence of oil and natural gas in China

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图 2 我国主要盆地石油与天然气资源量及探明储量

Figure 2. Oil and gas resources and proved reserves in major basins of China

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图 3 中国石油主要盆地石油和天然气勘探程度

Figure 3. Oil and gas exploration degree in CNPC's main basins

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图 4 中国石油2000年以来各领域石油与天然气新增探明储量变化

Figure 4. Changes in new proven reserves of CNPC oil and natural gas in various fields since 2000

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图 5 中国石油矿权区常规剩余石油和天然气地质资源盆地分布

Figure 5. Distribution of remaining conventional oil and gas resources in basins in CNPC's mining areas

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图 6 我国三大海相盆地主力烃源岩分布

Figure 6. Distribution of main source rocks in three marine basins in China

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图 7 海相小克拉通3类台内滩储层发育模式

Figure 7. Development models of three types of intra-platform shoal reservoirs in small marine cratons

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图 8 天山南北冲断带下组合砂体发育模式

Figure 8. Sand body development pattern in lower assemblage of North-south Thrust Belt, Tianshan Mountain

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图 9 坳陷(a)与断陷(b)湖盆沉积—成藏模式

Figure 9. Deposition and accumulation models of depression (a) and fault depression (b) lake basins

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图 10 页岩油成熟度划分

据文献[28]修改。

Figure 10. Classification of shale oil maturity

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表 1 不同盆地中国石油矿权区非常规油气剩余资源分布

Table 1. Distribution of remaining unconventional oil and gas resources in CNPC's mining areas in different basins

盆地	非常规油剩余资源/10⁸ t		非常规气剩余资源/10¹² m³
盆地	致密油	页岩油	致密砂岩气	页岩气
松辽	16.37	54.44	1.68
渤海湾	9.68	27.09	0.24	0.07
鄂尔多斯	34.90	59.49	8.48
四川	1.54	19.44	2.13	28.01
塔里木			1.20	7.92
准噶尔		24.88
柴达木	3.64	5.93	0.13
三塘湖	1.06	3.95
吐哈			0.50
酒泉		1.12
雅布赖		1.64
其他	1.11	0.26	0.36	3.38
合计	68.29	198.23	14.72	39.39

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表 2 中国石油矿权区陆上常规油气资源分布

Table 2. Distribution of onshore conventional oil and gas resources in CNPC's mining areas

领域		石油地质资源/10⁸ t			天然气地质资源/10¹² m³
领域		探明储量	剩余资源	总资源量	探明储量	剩余资源	总资源量
岩性地层—碎屑岩		81.94	123.68	205.62	5 089.55	27 666.75	32 694.01
复杂构造—碎屑岩		92.1	72.65	164.75	3 238.80	30 303.50	33 564.85
海相碳酸盐岩		6.58	20.89	27.47	29 105.92	150 976.57	179 895.59
前陆冲断带潜山		9.03	24.59	33.62	13 609.54	53 421.33	67 030.80
渤海湾前古近系		10	14.34	24.34	561.38	6 690.09	7 228.92
复杂岩性	火山岩及变质岩	1.48	4.54	6.02	4 364.76	20 478.36	24 843.12
	海相碎屑岩	1.88	2.68	4.57	781.05	790.33	1 571.38
	湖相碳酸盐岩	0.66	2.45	3.05	4.15	1 314.27	1 318.42
合计		203.62	265.83	469.44	56 755.15	291 641.19	348 147.15

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表 3 页岩油原位转化先导试验区优选关键参数和标准

Table 3. Optimized key parameters and criteria for pilot test area of in situ conversion of shale oil

参数名称	工业开发区参数标准	先导试验区优选参数标准
w(TOC)/%	>6	>18
R_o/%	0.5~1.0	0.5~0.9
连续厚度/m	>15	>18
埋深/m	< 3 000	< 2 000
封闭性	上下遮挡层厚度>2 m	上下遮挡层厚度>2 m
地层水情况	无活动水，含水率 < 5%	无活动水，含水率 < 3%

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