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臺灣西南海域甲烷水合物潛存之分析

Analysis of Exploration Potential of Methane Hydrate in Southwestern Offshore Taiwan

Abstracts


本研究針對台灣西南海域既有震測資料進行分析,期望確認甲烷水合物之存在並擬定下一階段之測勘步驟。 本研究重新解釋該區部分資料,結果顯示,台灣西南海域之震測資料明顯具有類似甲烷水合物之特徵,且其散佈範圍甚廣,頗值得展開進一步研究。 甲烷水合物之潛能需根據其分佈面積、厚度及其孔隙率或飽和度等因素推算,本研究重新設計資料處理程序,期能降低複反射等雜波干擾,此外並嘗試應用震波特性分析、振幅一支距分析及飽和度分析等解釋技術於品質較佳之一測線,研究結果顯示,高解析度之震測資料為潛能估計之必備條件。

Parallel abstracts


Seismic data acquired in the past has been analyzed in this study to confirm the existence of methane hydrate in southwestern offshore Taiwan and purpose procedures for future methane hydrate exploration. Based on results of reinterpretation of seismic data, seismic characters reflecting methane hydrate distribute extensively in the study area. It is worthwhile to proceed exploration of methane hydrate in the area in the future. Exploration potential of methane is assessed by related area distribution, thickness and porosity of strata containing methane hydrate, and saturation of methane hydrate of pore fluid. Better understanding of these parameters depend on quantitative or qualitative analyses of high quality of seismic data. To accomplish this goal, seismic processing flows were re-designed to avoid interference of multiple. Seismic character analysis, amplitude – offset analysis and analysis of methane hydrate saturation were applied on a high-resolution 160 channels seismic profile. Study results show that high- resolution seismic data are criterion for assessment of exploration of methane hydrate in the future.

Parallel keywords

methane hydrate BSR

Cited by


陳昌駿(2014)。利用三維震測影像探討臺灣西南海域永安海脊區之天然氣水合物儲集層特性〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2014.01832
李佳芳(2012)。應用震測屬性探討台灣西南海域永安海脊地區天然氣水合物之分布與特性〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2012.00171
蔡志勤(2009)。反射震測資料之震波速度與震幅-支距分析推估台灣西南海域地層中天然氣水合物之潛能〔博士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2009.10736
黃柏鈞(2006)。台灣西南海域岩心沈積物之特性與來源〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2006.02634
陳冠宇(2006)。台灣西南外海之構造與地形特徵及澎湖海底峽谷演化〔碩士論文,國立中央大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0031-0207200917342846

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