Dynamic simulation of gas hydrate reservoirs in the Shenhu area, the northern  South China Sea

doi:10.7623/syxb201102006

Editorial office of ACTA PETROLEI SINICA ›› 2011, Vol. 32 ›› Issue (2): 226-233.DOI: 10.7623/syxb201102006

• Petroleum Exploration • Previous Articles Next Articles

Dynamic simulation of gas hydrate reservoirs in the Shenhu area, the northern South China Sea

SU Pibo 1 LIANG Jinqiang 2 SHA Zhibin 2 FU Shaoying 2 LEI Huaiyan 1,3,4 GONG Yuehua 2

Received:2010-06-07 Revised:2010-10-19 Online:2011-03-25 Published:2011-05-25

南海北部神狐海域天然气水合物成藏动力学模拟

苏丕波 1 梁金强 2 沙志彬 2 付少英 2 雷怀彦 1,3,4 龚跃华 2

1厦门大学海洋与环境学院福建厦门 361005； 2广州海洋地质调查局广东广州 510760； 3厦门大学近海海洋环境国家重点实验室福建厦门 361005； 4中国科学院地质与地球物理研究所兰州油气中心甘肃兰州 730000

通讯作者: 苏丕波
作者简介:苏丕波,男,1981年3月生，2004年毕业于长江大学，现为厦门大学在读博士研究生,主要从事天然气水合物的气源条件与成藏模拟研究。
基金资助:
国土资源部公益性行业科研专项（200811014）“天然气水合物成藏的控制因素研究”、国家自然科学基金项目（No.40930845）“南海北部深水盆地油气渗漏系统与天然气水合物富集机制研究”和国家重点基础研究发展规划（973）项目（2009CB219501）“南海北部天然气水合物成藏的气源条件研究”联合资助。

Abstract

Abstract:

The north slope of the South China Sea is structurally characterized by a passive continental margin and has various Cenozoic oil- and gas-bearing depositional basins, where hydrocarbon resources are abundant, and the geological and tectonic settings, the temperature and pressure regimes as well as the methane-generative potential of thick organic-rich sediments are all favorable for the formation of gas hydrate. As a result, this region is also an ideal area for studying gas hydrate accumulations. In order to understand natural conditions of the gas hydrate formation, based on the typical 2-dimensional seismic image of the Shenhu area, a geological model of gas hydrate reservoirs was established and a dynamic simulation of gas hydrate accumulations was carried out as well. The results indicated that the temperature and pressure of the Shenhu area are appropriate for gas hydrate accumulations, source rocks there have a huge gas-generative potential and hydrocarbon migration conditions are favorable, providing an abundant gas source and good pathways for the gas hydrate formation. A forecasting model of the gas hydrate formation was given based on basin analysis, indicating that the Shenhu area is a better prospect area of gas hydrate because of its huge potential of gas hydrate resources.

Key words: South China Sea, Shenhu area, gas hydrate, reservoir forming model, biogas, thermogenic gas

摘要：

为进一步了解南海北部神狐海域天然气水合物的成藏匹配条件，利用典型二维地震剖面，构建了该区的地质模型，并对其进行了天然气水合物成藏动力学的模拟。研究结果表明：神狐海域具备天然气水合物成藏的温度、压力条件；生物气和热解气的资源潜力巨大,满足水合物形成的气源条件；运移条件优越，有利于天然气水合物的聚集成藏。并提出了该区天然气水合物的成藏模式。

关键词: 南海, 神狐海域, 天然气水合物, 成藏模式, 生物气, 热解气

SU Pibo LIANG Jinqiang SHA Zhibin FU Shaoying LEI Huaiyan GONG Yuehua. Dynamic simulation of gas hydrate reservoirs in the Shenhu area, the northern South China Sea[J]. Editorial office of ACTA PETROLEI SINICA, 2011, 32(2): 226-233.

苏丕波梁金强沙志彬付少英雷怀彦龚跃华. 南海北部神狐海域天然气水合物成藏动力学模拟[J]. 石油学报, 2011, 32(2): 226-233.

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Dynamic simulation of gas hydrate reservoirs in the Shenhu area, the northern South China Sea

南海北部神狐海域天然气水合物成藏动力学模拟

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