松辽外围东部通化盆地油气来源研究——来自通地1井的证据

王丹丹; 周新桂; 李世臻; 张文浩; 刘卫彬; 董清水; 孟元林; 林燕华

松辽外围东部通化盆地油气来源研究——来自通地1井的证据

1.
中国地质调查局油气资源调查中心, 北京 100083
2.
中国地质大学, 北京 100083
3.
吉林大学, 吉林长春 130016
4.
东北石油大学, 黑龙江大庆 163318

基金项目:

中国地质调查局地质调查项目 DD20160165

"吉林东部地区油气基础地质调查" 12120115001701

详细信息

作者简介:
王丹丹(1982-), 女, 高级工程师, 主要从事油气基础调查和石油地质综合研究工作。E-mail:ddwangcn@163.com

中图分类号: P595;P618.13
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出版历程
- 收稿日期: 2016-06-07
- 刊出日期: 2017-06-28

A STUDY ON THE OIL AND GAS SOURCE OF TONGHUA BASIN, EAST PERIPHERAL BASIN OF SONGLIAO:NWE EVIDENCE FROM TONGDI WELL 1

1.
Oil and Gas Survey China Geological Survey, Beijing 100083, China
2.
China University of Geosciences, Beijing 100083, China
3.
Jilin University, Changchun, Jilin 130061, China
4.
Northeast Petroleum University, Daqing, Heilongjiang 163318, China

摘要

摘要: 通化盆地是发育在中生代基底之上的断陷盆地，勘探程度低，在该盆地三棵榆树凹陷钻探的通地1井发现油气显示，但油气来源尚不清楚，制约着盆地后续油气资源勘探部署工作。本文通过对通地1井原油和岩心烃源岩生物标志化合物的特征分析对比，发现通地1井原油与下白垩统下桦皮甸子组和亨通山组黑色泥质烃源岩具有类似的生物标志化合物分布特征，推测三棵榆树凹陷原油主要来自下白垩统下桦皮甸子组烃源岩，也可能来自亨通山组烃源岩，这一成果扩展了通化盆地及周缘油气勘探领域，为通化盆地下一步油气基础地质研究和勘探部署提供重要依据。
- 通化盆地 /
- 通地1井 /
- 地球化学特征 /
- 油源对比
Abstract: Tonghua basin is a faulted basin developed on the Mesozoic basement with a relatively low exploration degree. Oil and gas was found in Tongdi well 1 in the Sankeyushu sag of Tonghua basin, however, the source of the oil and gas is not clear, which restricts the exploration and development of oil and gas resources in Tonghua basin and its peripheral basins. Based on the comparative analysis on the features of the crude oil in Tongdi well 1 and the biomarker of the core hydrocarbon source rock, it is found that the biomarker distribution features are similar between the crude oil in Tongdi well 1 and black muddy hydrocarbon source rocks of the lower Cretaceous Xiahuapidianzi formation and Hengtongshan formation. It is drawn the conclusion that the crude oil in the Sankeyushu sag is basically from the hydrocarbon source rocks of low Cretaceous Xiahuapidianzi or Hengtongshan formation. This finding broaden the oil and gas exploration filed in Tonghua basin and its surrounding basins, which also provides a great basis for the further study of the basic geological research and exploration of oil and gas in Tonghua basin.
- Tonghua Basin /
- Tongdi well 1 /
- Geochemical features /
- Oil-sources correlation

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图 1 通化盆地构造单元分布图(据韩欣澎等^[1]修改)

Figure 1. The tectonic unit distribution map of Tonghua basin(modified by reference No.1)

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图 2 通化盆地通地1井下白垩统原油与烃源岩族组分对比图

Figure 2. Composition contrast diagram of crude oil and hydrocorbon source rock groups of Tongdi well 1 in lower Cretaceous, Tonghua Basin

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图 3 通地1井原油和烃源岩正构烷烃质量色谱图

Figure 3. The N-alkanes mass chromatogram of crude oil and hydrocarbon source rocks in Tongdi well 1

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图 4 通化盆地通地1井原油与烃源岩质量色谱对比图

Figure 4. The mass chromatogram of crude oil and hydrocarbon source rocks of Tongdi well 1 in Tonghua basin

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表 1 通化盆地中生界地层简表(据韩欣澎等^[1]修改)

Table 1. Mesozoic strata sketch map of Tonghua Basin (modified by reference No.1)

地层时代					岩性
界	系	统	组	厚度(m)	岩性
中生界	白垩系	下统	黑崴子组	49.16	土黄色泥质中粗砂岩、紫色砂砾岩
			亨通山组	373.94	暗色泥岩、泥页岩、粉砂质泥岩, 夹少量灰色沉凝灰岩
			下桦皮甸子组	751.9	黑色泥岩、泥页岩、灰黑色粉砂质泥岩、少量灰色沉凝灰岩
			林子头组	225	砂岩、沉凝灰岩、灰褐色玄武岩夹黑色页岩、粉砂质页岩
			鹰嘴砬子组	150	泥页岩、沉凝灰岩
			果松组		偏碱性中基性火山岩
	侏罗系	中统	侯家屯组		砾岩、粉砂岩、凝灰质粉砂岩

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表 2 通化盆地亨通山组和下桦皮甸子组烃源岩有机质地化参数表

Table 2. Geochemical parameters of Hengtongshan formation and Xiahuapidianzi formation in Tonghua Basin

层位	TOC(%)	HC(×10^-6)	S₁+S₂(mg/g)	氯仿沥青"A"(%)	Ro(%)	有机质类型
K₁h	1.09(32)	2233.4(20)	2.53(32)	0.07(20)	1.054(16)	Ⅰ-Ⅱ₁型
K₁h	0.49~3.49	12~10379	0.07~5.88	0.0038~0.1228	0.972~1.127	Ⅰ-Ⅱ₁型
K₁x	1.40(15)	2382.57(7)	2.37(15)	0.077(8)	1.133(13)	Ⅰ型，局部Ⅱ型
K₁x	0.67~3.6	4~9886	0.08~6.13	0.003~0.2109	0.986~1.399	Ⅰ型，局部Ⅱ型

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表 3 通化盆地通地1井烃源岩和原油饱和烃色谱参数表

Table 3. The saturated hydrocarbon chromatogram parameters of hydrocarbon source rocks and crude oil in Tongdi well 1, Tonghua Basin

	深度/m	层位	Ts/Tm	CPI	nC₂₁^-/nC₂₂⁺	Pr/Ph	Pr/nC₁₇	Ph/nC₁₈
洗油1	289.41~289.52	K₁h	1.19	1.17	0.74	0.55	0.23	0.28
洗油2	327.46~327.52	K₁h	1.14	1.07	0.95	0.74	0.16	0.15
洗油3	367.62~367.75	K₁h	2.04	1.12	0.94	0.65	0.14	0.16
洗油4	387.88~388.18	K₁h	1.20	1.18	1.01	0.52	0.24	0.28
洗油5	418.17~418.53	K₁h	2.21	1.15	0.96	0.82	0.21	0.18
洗油6	423.15~423.29	K₁h	1.22	1.17	0.69	0.63	0.28	0.27
烃源岩1	215.30~215.48	K₁h	0.57	1.25	1.16	0.95	0.43	0.40
烃源岩2	220.87~221.02	K₁h	0.56	1.19	1.04	0.93	0.42	0.39
烃源岩3	294.80~294.94	K₁h	2.13	1.10	1.10	0.78	0.14	0.18
烃源岩4	312.34~312.43	K₁h	1.17	1.10	0.75	0.65	0.19	0.27
烃源岩5	331.90~332.01	K₁h	1.22	1.14	0.89	0.61	0.23	0.33
烃源岩6	426.84~426.91	K₁x	1.11	1.18	0.88	0.76	0.19	0.23
烃源岩7	431.47~431.54	K₁x	0.85	1.17	1.27	0.73	0.15	0.17
烃源岩8	587.24~587.36	K₁x	0.95	1.06	1.18	0.58	0.30	0.51

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表 4 通化盆地通地1井烃源岩和原油中甾萜烷参数表

Table 4. The parameters of the steroid and terpane in hydrocarbon source rocks and crude oil in Tongdi well 1 in Tonghua Basin

	深度/m	层位	四环萜烷/三环萜烷	伽马蜡烷/C₃₀藿烷	C₃₅/(C₃₁~C₃₅)生藿烷指数	Ts/(Ts+Tm)	C₃₁生藿烷22S/(22S+22R)	C₂₇甾烷相对含量	C₂₈甾烷相对含量	C₂₉甾烷相对含量	C₂₉甾烷20S/(20S+20R)	C₂₉甾烷ββ/(ββ+αα)
洗油1	289.41~289.52	K₁h	0.041	0.24	0.06	0.56	0.57	0.33	0.25	0.43	0.39	0.36
洗油2	327.46~327.52	K₁h	0.037	0.24	0.05	0.66	0.59	0.30	0.28	0.42	0.47	0.46
洗油3	367.62~367.75	K₁h	0.033	0.12	0.05	0.67	0.59	0.34	0.24	0.41	0.46	0.42
洗油4	387.88~388.18	K₁h	0.024	0.24	0.06	0.55	0.59	0.29	0.30	0.40	0.49	0.50
洗油5	418.17~418.53	K₁h	0.031	0.12	0.06	0.69	0.60	0.32	0.28	0.40	0.49	0.43
洗油6	423.15~423.29	K₁h	0.031	0.14	0.05	0.55	0.61	0.27	0.28	0.45	0.47	0.42
烃源岩1	215.30~215.48	K₁h	0.057	0.23	0	0.36	0.56	0.22	0.29	0.49	0.29	0.26
烃源岩2	220.87~221.02	K₁h	0.049	0.24	0	0.36	0.59	0.24	0.26	0.50	0.28	0.25
烃源岩3	294.80~294.94	K₁h	0.032	0.35	0.08	0.68	0.56	0.34	0.25	0.41	0.48	0.50
烃源岩4	312.34~312.43	K₁h	0.023	0.52	0.08	0.54	0.58	0.40	0.27	0.33	0.46	0.50
烃源岩5	331.90~332.01	K₁h	0.032	0.33	0.08	0.55	0.60	0.30	0.31	0.39	0.47	0.48
烃源岩6	426.84~426.91	K₁x	0.042	0.38	0.07	0.53	0.60	0.35	0.27	0.38	0.42	0.38
烃源岩7	431.47~431.54	K₁x	0.040	0.22	0.06	0.46	0.59	0.24	0.33	0.43	0.45	0.41
烃源岩8	587.24~587.36	K₁x	0.016	0.26	0	0.49	0.58	0.31	0.31	0.38	0.50	0.54

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