Preliminary study on nanopores, nanofissures, and in situ accumulation of Gulong shale oil

doi:10.13745/j.esf.sf.2022.8.32-en

Earth Science Frontiers ›› 2023, Vol. 30 ›› Issue (1): 260-280.DOI: 10.13745/j.esf.sf.2022.8.32-en

Special Issue: Research Articles (English)

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Preliminary study on nanopores, nanofissures, and in situ accumulation of Gulong shale oil

HE Wenyuan¹^,²()

1. Daqing Oilfield Co Ltd, Daqing 163002, China
2. Heilongjiang Provincial Key Laboratory of Continental Shale Oil, Daqing 163712, China

Received:2022-07-07 Revised:2022-07-30 Online:2023-01-25 Published:2022-10-20
About author:HE Wenyuan, male, PhD, adjunct professor, China University of Petroleum; He has won the first Prize of National Science and Technology Progress, etc. At present, he is engaged in exploration work in China National Oil and Gas Exploration and Development Co., Ltd. (CNODC). E-mail: hewenyuan@cnpcint.com
Supported by:
National Science and Technology Major project “Main controlling factors of large lithologic reservoir formation and favorable zone evaluation”(2017ZX05001-002)

Abstract

HE Wenyuan. Preliminary study on nanopores, nanofissures, and in situ accumulation of Gulong shale oil[J]. Earth Science Frontiers, 2023, 30(1): 260-280.

Figures/Tables 19

References 28

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No.	Mass fraction (%)
No.	C	O	Na	Mg	Al	Si	K	Fe
70	41.12	21.54	0.31	0.61	9.31	17.56	5.15	2.31
71	35.66	23.55	0.30	0.58	10.95	20.03	5.79	2.55
72	40.83	13.53	0.33	0.58	11.13	22.84	7.19	3.02
73	50.95	20.26	0.83	0.35	5.56	15.22	2.42	1.66
74	56.44	18.07	0.89	0.25	4.19	12.99	1.72	2.18
75	26.41	32.72	4.84		7.50	23.59	0.26	3.63
76	16.99	33.35	4.11		10.53	32.09	2.08	0.85
77	60.47	12.55	1.11	0.12	3.12	13.24	0.98	5.39
78	41.42	16.36			2.08	37.15	2.34	0.65
79	31.26	19.41	0.54	0.55	8.05	34.64	3.78	1.77
82	72.24	15.66	0.46	0.13	1.70	6.56	0.82	0.74
80	31.84	19.42	0.28	0.81	11.65	27.72	5.78	2.50
81	82.69	10.77	0.68		0.63	2.17	0.24	0.36
83	44.19	21.45	0.51	1.21	6.72	13.73	3.43	3.68
84	53.87	21.30	0.39	0.39	5.33	13.99	2.78	1.31
85	80.18	7.19	0.29	0.14	2.39	5.72	1.29	1.26
86	91.46	0.21	1.51	3.70	0.44	0.05	0.76	1.36
87	89.24		0.28	0.12	1.80	4.42	0.90	1.21
Average	52.63	18.08	1.04	0.68	5.73	16.87	2.65	2.02

No.	Mass fraction (%)
No.	C	O	Na	Mg	Al	Si	K	Fe
70	41.12	21.54	0.31	0.61	9.31	17.56	5.15	2.31
71	35.66	23.55	0.30	0.58	10.95	20.03	5.79	2.55
72	40.83	13.53	0.33	0.58	11.13	22.84	7.19	3.02
73	50.95	20.26	0.83	0.35	5.56	15.22	2.42	1.66
74	56.44	18.07	0.89	0.25	4.19	12.99	1.72	2.18
75	26.41	32.72	4.84		7.50	23.59	0.26	3.63
76	16.99	33.35	4.11		10.53	32.09	2.08	0.85
77	60.47	12.55	1.11	0.12	3.12	13.24	0.98	5.39
78	41.42	16.36			2.08	37.15	2.34	0.65
79	31.26	19.41	0.54	0.55	8.05	34.64	3.78	1.77
82	72.24	15.66	0.46	0.13	1.70	6.56	0.82	0.74
80	31.84	19.42	0.28	0.81	11.65	27.72	5.78	2.50
81	82.69	10.77	0.68		0.63	2.17	0.24	0.36
83	44.19	21.45	0.51	1.21	6.72	13.73	3.43	3.68
84	53.87	21.30	0.39	0.39	5.33	13.99	2.78	1.31
85	80.18	7.19	0.29	0.14	2.39	5.72	1.29	1.26
86	91.46	0.21	1.51	3.70	0.44	0.05	0.76	1.36
87	89.24		0.28	0.12	1.80	4.42	0.90	1.21
Average	52.63	18.08	1.04	0.68	5.73	16.87	2.65	2.02

Preliminary study on nanopores, nanofissures, and in situ accumulation of Gulong shale oil

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