BSR与CSEM识别天然气水合物的优缺点对比

陈杰; 胡高伟; 卜庆涛

doi:10.3969/j.issn.2095-560X.2018.05.015

新能源进展 >

2018 , Vol. 6 >Issue 5: 448 - 460

DOI: https://doi.org/10.3969/j.issn.2095-560X.2018.05.015

综述

BSR与CSEM识别天然气水合物的优缺点对比

陈杰 ,
胡高伟 ,
卜庆涛

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1. 中国石油大学（华东）,山东青岛 266071;
2. 青岛海洋地质研究所,国土资源部天然气水合物重点实验室,山东青岛 266071;
3. 海洋国家实验室海洋矿产资源评价与探测技术功能实验室,山东青岛 266071

陈杰（1994-）,男,硕士研究生,主要从事海洋地质学、天然气水合物方面研究。胡高伟（1982-）,男,博士,副研究员,主要从事海洋地质学、天然气水合物方面的研究。

收稿日期: 2018-05-04

修回日期: 2018-07-16

网络出版日期: 2018-10-31

基金资助

国家自然科学基金项目（41474119）; 中国地质调查项目（121201005000150016）; 国家重点研发项目（2017YFC0307602）

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Comparison on the Advantages and Disadvantages of BSR and CSEM in Detecting Gas Hydrate

CHEN Jie ,
HU Gao-wei ,
BU Qing-tao

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1. China University of Petroleum, Qingdao 266071, Shandong, China;
2. Laboratory of Gas Hydrate, Ministry of Land and Resources, Qingdao Institute of Marine Geology, Qingdao 266071, Shandong, China;
3. Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, Shandong, China

Received date: 2018-05-04

Revised date: 2018-07-16

Online published: 2018-10-31

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摘要

天然气水合物是一种分布广泛的新型清洁能源,是目前能源勘探界的研究热点之一。提升天然气水合物勘探技术以探测天然气水合物分布和进行资源量估算,对我国天然气水合物的开采和利用至关重要。本文对比总结了似海底反射（BSR）和海洋可控源电磁法（CSEM）识别天然气水合物的优势与局限性。结果表明,BSR是目前识别海洋天然气水合物的一种常用且重要的方法,但BSR与天然气水合物的存在并非一一对应,难以准确估算天然气水合物饱和度和资源量。海洋CSEM能相对准确地识别天然气水合物,并可通过获取储层电阻率估算天然气水合物饱和度和储量。两者的结合将有效提高天然气水合物的钻探成功率、降低勘探风险和节约勘探成本。

关键词： 天然气水合物; 似海底反射（BSR）; 海洋可控源电磁法

本文引用格式

陈杰 , 胡高伟 , 卜庆涛 . BSR与CSEM识别天然气水合物的优缺点对比[J]. 新能源进展, 2018 , 6(5) : 448 -460 . DOI: 10.3969/j.issn.2095-560X.2018.05.015

Abstract

Gas hydrate is a widely distributed new clean energy, which has become a research focus in energy exploration. Improving exploration technology and detecting gas hydrate recourses is of significance for exploiting and utilizing natural gas hydrate. In this paper, the advantages and limitations of bottom-simulating reflector (BSR) and marine controlled source electromagnetic method (CSEM) were summarized and compared. BSR is a common and indispensable method for identifying marine gas hydrate, while BSR does not necessarily indicate the presence of gas hydrates, and it is difficult to evaluate the gas hydrate saturation and resources. By contrast, marine CSEM can more accurately identify gas hydrates and estimate the saturation and reserves through the resistivity data of gas hydrate reservoirs. The combination of these two methods may hopefully increase the drilling success rate and reduce the risks and costs of the exploration.

Key words： gas hydrate; bottom-simulating reflector (BSR); marine controlled source electromagnetic method

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