Quantitative assessment of free gas beneath gas hydrate stability zone from prestack seismic data and rock physics: a case of hole NGHP01-10A, Krishna-Godavari basin, India

CORC > 海洋研究所 > 中国科学院海洋研究所 > 海洋地质与环境重点实验室

	Quantitative assessment of free gas beneath gas hydrate stability zone from prestack seismic data and rock physics: a case of hole NGHP01-10A, Krishna-Godavari basin, India
	Qian Jin 1,2; Wang Xiu-Juan 1,2; Dong Dong-Dong 1; Wu Shi-Guo 1,3; Kalachand, Sain 4; Ye Yue-Ming 5
刊名	CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
	2016-07-01
卷号	59 期号:7 页码:2553-2563
关键词	Gas hydrate Rock physics AVO Quantitative assessment Free gas saturation
英文摘要	Distribution, saturation and hydrate indicator of free gas beneath gas hydrate stability zone have been the difficulty in the research of gas hydrate. Amplitude versus offset (AVO) and rock physics can be used to quantitatively interpret free gas saturation. In this paper, seismic data, acquired at K-G basin, India, have been processed to preserve true amplitude information. Based on the logging data and horizon calibration, free gas saturation of NGHP01-10A is assessed with effective medium theory and AVO modeling. It is found that free gas saturation is related to its distribution patterns. Assessments of free gas saturation in homogeneous and patchy distribution are 0.3%similar to 0.4% and 3%similar to 4%, respectively. The results show good agreement with the crossplot of Poisson's ratio which are calculated by the measurement at NGHP01-10D. Free gas is further deduced to be homogeneous distribution on the base of dry matrix Poisson's ratio with the saturation of 0.3%similar to 0.4%.
收录类别	SCI
语种	英语
WOS记录号	WOS:000379377100020
内容类型	期刊论文
版本	出版稿
源URL	[http://ir.qdio.ac.cn/handle/337002/130956]
专题	海洋研究所_海洋地质与环境重点实验室
作者单位	1.Chinese Acad Sci, Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao 266071, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Evaluat & Detect Technol Lab Marine Mineral Resou, Qingdao 266061, Peoples R China 3.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China 4.Natl Geophys Res Inst, Hyderabad 500007, Andhra Pradesh, India 5.PetroChina, Hangzhou Res Inst Geol, Hangzhou 310023, Zhejiang, Peoples R China
推荐引用方式 GB/T 7714	Qian Jin,Wang Xiu-Juan,Dong Dong-Dong,et al. Quantitative assessment of free gas beneath gas hydrate stability zone from prestack seismic data and rock physics: a case of hole NGHP01-10A, Krishna-Godavari basin, India[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2016,59(7):2553-2563.
APA	Qian Jin,Wang Xiu-Juan,Dong Dong-Dong,Wu Shi-Guo,Kalachand, Sain,&Ye Yue-Ming.(2016).Quantitative assessment of free gas beneath gas hydrate stability zone from prestack seismic data and rock physics: a case of hole NGHP01-10A, Krishna-Godavari basin, India.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,59(7),2553-2563.
MLA	Qian Jin,et al."Quantitative assessment of free gas beneath gas hydrate stability zone from prestack seismic data and rock physics: a case of hole NGHP01-10A, Krishna-Godavari basin, India".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 59.7(2016):2553-2563.