基于MIP-CPT技术的海底浅层气探测方法——以东海舟山海域为例

doi:10.7623/syxb201602006

石油学报 ›› 2016, Vol. 37 ›› Issue (2): 207-213,229.DOI: 10.7623/syxb201602006

基于MIP-CPT技术的海底浅层气探测方法——以东海舟山海域为例

陈中轩¹, 来向华¹, 廖林燕², 黄潘阳¹

1. 国家海洋局第二海洋研究所工程海洋学重点实验室浙江杭州 310012;
2. 上海石油天然气有限公司上海 200041

收稿日期:2015-07-02 修回日期:2015-12-02 出版日期:2016-02-25 发布日期:2016-03-11
通讯作者: 来向华,男,1973年6月生,1996年获中国海洋大学学士学位,2008年获浙江大学博士学位,现为国家海洋局第二海洋研究所研究员,主要从事海洋岩土工程与海底探测技术方面的研究。Email:laixh@sio.org.cn
作者简介:陈中轩,男,1990年7月生,2013年获中国地质大学(武汉)学士学位,现为国家海洋局第二海洋研究所硕士研究生,主要从事海洋岩土工程与海底勘察技术方面的研究。Email:czx722@yeah.net
基金资助:
国家自然科学基金项目(No.51179169)、浙江省自然科学基金项目(LY13D060003)、上海市科学技术委员会科研计划项目(14DZ1204600)、国家海洋局第二海洋研究所科研业务费专项(JG1307)资助。

A new method for detecting submarine shallow gas based on MIP-CPT technology:a case study of Zhoushan sea area, East China Sea

Chen Zhongxuan¹, Lai Xianghua¹, Liao Linyan², Huang Panyang¹

1. Laboratory of Engineering Oceanography, Second Institute of Oceanography, SOA, Zhejiang Hangzhou 310012, China;
2. Shanghai Petroleum Company Limited, Shanghai 200041, China

Received:2015-07-02 Revised:2015-12-02 Online:2016-02-25 Published:2016-03-11

摘要/Abstract

摘要：

国际上MIP-CPT技术在陆域环境污染监测领域得到了较成功的应用。为了准确识别海底浅层气,避免其对海洋开发的影响,采用MIP-CPT技术,辅以其他多种地球物理探测方法,在东海舟山海域进行了海上试验。基于得到的MIP数据识别了测试海域海底面以下30 m内的游离气和溶解甲烷,将典型孔位的FID信号与同位置的浅地层剖面进行对比,基本符合地球物理勘察的结果;结合同时得到的多项CPTU数据对MIP数据进一步分析发现测试海域的浅层气主要来源于较深部地层,并得到了多道地震勘探数据的旁证。研究表明相对于传统浅层气探测手段,MIP-CPT技术具有快捷性、直观性和多数据的优势,这种技术很适合研究海底浅层气的成因机制。

关键词: MIP-CPT, 浅层气, 探测方法, 浅地层剖面调查, 地震勘探, 气体来源

Abstract:

Membrane Interface Probe and Cone Penetration Technology(MIP-CPT) have been successfully applied in the field of environmental pollution monitoring around the world. To accurately identify submarine shallow gas and avoid its interference in ocean development, MIP-CPT technology was adopted together with multiple geophysical detection methods for experiments in Zhoushan sea area, East China Sea. Based on available MIP data, the free gas and soluble methane within 30 meters below the seafloor were identified; a comparison was performed on FID signals of typical hole sites and sub-bottom profiles at the same locations, and the results are basically consistent with those of geophysical survey. In combination with the obtained multiple CPTU data, a further analysis was conducted on MIP data to reveal that the shallow gas in this sea area was sourced from deeper strata, which was also verified by multi-channel seismic prospecting data. The research indicates that compared with conventional shallow gas detection methods, MIP-CPT technology has the advantages of rapidity, visualization and multi-data, which was suitable for studying the genetic mechanism of submarine shallow gas.

Key words: MIP-CPT, shallow gas, detection method, sub-bottom profile survey, seismic prospecting, gas sources

中图分类号:

TE132.2

陈中轩, 来向华, 廖林燕, 黄潘阳. 基于MIP-CPT技术的海底浅层气探测方法——以东海舟山海域为例[J]. 石油学报, 2016, 37(2): 207-213,229.

Chen Zhongxuan, Lai Xianghua, Liao Linyan, Huang Panyang. A new method for detecting submarine shallow gas based on MIP-CPT technology:a case study of Zhoushan sea area, East China Sea[J]. Acta Petrolei Sinica, 2016, 37(2): 207-213,229.

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基于MIP-CPT技术的海底浅层气探测方法——以东海舟山海域为例

A new method for detecting submarine shallow gas based on MIP-CPT technology:a case study of Zhoushan sea area, East China Sea

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