吴能友, 黄丽, 胡高伟, 李彦龙, 陈强, 刘昌岭. 海域天然气水合物开采的地质控制因素和科学挑战[J]. 海洋地质与第四纪地质, 2017, 37(5): 1-11. DOI: 10.16562/j.cnki.0256-1492.2017.05.001
引用本文: 吴能友, 黄丽, 胡高伟, 李彦龙, 陈强, 刘昌岭. 海域天然气水合物开采的地质控制因素和科学挑战[J]. 海洋地质与第四纪地质, 2017, 37(5): 1-11. DOI: 10.16562/j.cnki.0256-1492.2017.05.001
WU Nengyou, HUANG Li, HU Gaowei, LI Yanlong, CHEN Qiang, LIU Changling. GEOLOGICAL CONTROLLING FACTORS AND SCIENTIFIC CHALLENGES FOR OFFSHORE GAS HYDRATE EXPLOITATION[J]. Marine Geology & Quaternary Geology, 2017, 37(5): 1-11. DOI: 10.16562/j.cnki.0256-1492.2017.05.001
Citation: WU Nengyou, HUANG Li, HU Gaowei, LI Yanlong, CHEN Qiang, LIU Changling. GEOLOGICAL CONTROLLING FACTORS AND SCIENTIFIC CHALLENGES FOR OFFSHORE GAS HYDRATE EXPLOITATION[J]. Marine Geology & Quaternary Geology, 2017, 37(5): 1-11. DOI: 10.16562/j.cnki.0256-1492.2017.05.001

海域天然气水合物开采的地质控制因素和科学挑战

GEOLOGICAL CONTROLLING FACTORS AND SCIENTIFIC CHALLENGES FOR OFFSHORE GAS HYDRATE EXPLOITATION

  • 摘要: 目前,国际上对天然气水合物产状、分布和特征的认识已取得显著进展,开展了一系列陆地多年冻土区和海域天然气水合物试采,但天然气水合物开采仍面临科学挑战。本文在综述全球天然气水合物勘探开发现状的基础上,阐述了天然气水合物储层分类及其开采的地质控制因素,提出了海域天然气水合物有效经济开采面临的资源评价、开采技术方法、储层地质参数和工程地质风险等4方面的科学挑战。要实现海域天然气水合物的有效经济开采,资源评价是基础,开采技术方法是关键。判定天然气水合物储层是否可采需要精确的储层地质参数,能否实现有效开采取决于工程地质风险的控制。

     

    Abstract: Significant progresses have been made so far for understanding of the occurrence, distribution and characteristics of natural gas hydrate, and a series of gas production tests from the permafrost and marine hydrate deposits have been carried out all over the world. However, the gas hydrate exploitation is still facing severe scientific challenges. Based on a general review of the global gas hydrate exploration and exploitation, this paper expounded the gas hydrate reservoir classification and geological controlling factors, and put forward four aspects of scientific challenges for the effective economic exploitation, including the resource evaluation, exploitation method and technology, reservoir geological parameters and engineering geological risks. In order to realize the effective economic exploitation of gas hydrate, the resource evaluation is the foundation, and the exploitation method and technology is the key. To determine whether the gas hydrate reservoir can be exploited requires the accurate reservoir geological parameters, and whether the effective exploitation can be realized depends on the control of engineering geological risks.

     

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