The Major Controlling Factors Analysis of Hydrocarbon Accumulation on the Gentle Slope Belt of the Southeastern Liaodong Bay Depression

Yongjun LIU, Xiang TU, Wensen ZHU, Geng QIAN, Delong ZHANG

Abstract


Oil and gas discovery in the Liaodong Bay Depression is mainly distributed in the steep slope, the uplift and the sag zone at current situation. The reservoir developed on southeastern gentle slope zone is the first discovery in this area, which has great significance to the study of the gentle slope zone hydrocarbon accumulation regularity. Based on the analysis of the hydrocarbon accumulation condition of the gentle slope zone, the major controlling factors and hydrocarbon accumulation pattern of the gentle slope zone are summarized. It shows that the gentle slope belt has the superior accumulation conditions, where develops Lithological-tectonics traps and lithological traps Controlled by fracture and provenance. The source rock circumstance is advantageous too, because the gentle slope zone is close to the hydrocarbon-rich Liaozhong sag. The mudstone in Dongying formation(Ed) and the first section of Shahejie formation (Es1) and the sandstone in the second member of Shahejie formation (Es2) are form into a good reservoir cap association. Hydrocarbon accumulation in the gentle slope belt is mainly controlled by 3 factors: the development of the reservoirs in the Es2 is controlled by the valley-slope break coupling; the migration of oil and gas is controlled by “Fault-unconformity-sandbody”(FUS) long-range efficient migration system; reservoir physical properties and oil and gas test capacity are controlled by sedimentary facies differences. There are two reservoir models: lithology - tectonics and lithology.



Keywords


Valley-slope break system; “Fault-unconformity-sandbody”(FUS) migration system; Reservoir controlled by sedimentary facies differences; Gentle slope belt; Major controlling factors of hydrocarbon accumulation

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References


Fang, S. H., Xu, H. M., & Guo, Z. J. (2004). Hydrocarbon accumulation conditions and models in the western sag of Tanhai Area，Liaohe. Petroleum Experimental Geology, (3).

Fu, G., & Wang, L. Z. (2011). Effect of source faults in oil migration and accumulation in fault basin. Fault-Block Oil&Gas Field, 18(6):686-690.

Hao, F., Zou, H. Y., & Jiang, J. Q. (2000). Dynamics of petroleum accumulation and its advances. Earth Science Frontiers, 7 (3) ,11～2l.

Jin, F. M.，Li, B. G.，& Cui, Z. Q. (2011) Main geological factors of controlling accumulation and distribution of oil and gas in gentle slope of half graben basin. Fault-Block Oil & Gas Field, 18(6),726-729.

Liu, Y. J., Xu, C. G., & Wu, K. (2015). The difference of strike-slip fault and the formation of large and medium-sized oil and gas fields in Liaodong bay Depression . Petroluem Goelogy & Experiment,37(5）,555-560.

Liu, Y. J.，Zhu, W. S.，& Xu, C. G. (2012). Strike-slip fault subsections and its influence on hydrocarbon accumulation in Liaozhong sag of Bohai Sea Area. Journal of Oil and Gas Technology ,34（7）,6-10.

Qin, K., &Zhao, M. F. (2002). Pool-forming models of Linnan slope belts in Huimin Depression. Journal of the University of Petroleum,China:Natural Science Edition, 26(6)：21-32.

Qin, Y. X.，Jiang, S. H.，& Wang, Y. S. (2003). Pool-forming features and exploration methods for oil and gas in slope zone ：Taking Jiyang Depression for an example. Offshore Oil,（2）,14-20.

Shang, M. Z., Li, X. H.,& Wang, W. L. (2004). Petroleum exploration of the slope belt in the graben basin. Petroleum Geology & Experiment,26（4）,324-332.

Xu, C. G. (2006). Genetic types of Paleogene slope-break zones and their controls on depositional system in Bohai offshore. China Offshore Oil and Gas,(06)

Yang, W. R.，Qian, Z.，& Zhang, X. (2008). Accumulation characteristics in Wen′an slope belt in Jizhong Depression. Lithologic Reservoirs,20（3）,49-52; 94.

Zeng, J. H., & Jin, Z. J. (2000). Experimental Simulation of the secondary hydrocarbon migration and accumulation. Beijing：Petroleum industry press.

Zhou, X .H., Liu, Z., & Li, W. L. (2009).Hydrocarbon accumulation mechanism in Liaodong Bay fault-depression. Beijing: Petroleum industry press.

Zhu, G.，Wang, D. X.，& Liu, G. S. (2004). Evolution of the Tan-Lu Fault zone and its respones to plate movement in West Pacific Basin. Chinese Journal of Geology, 39(1), 36-41.




DOI: http://dx.doi.org/10.3968/10437

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