Density structure report from logging-while-drilling data and core data at the first offshore gas production test site on Daini-Atsumi Knoll around eastern Nankai Trough
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- 作者：Kiyofumi Suzuki ; suzuki-kiyofumi@jogmec.go.jp" class="auth_mail" title="E-mail the corresponding author ; Tokujiro Takayama ; Tetsuya Fujii
- 关键词：Density log ; Borehole enlargement ; Caliper log ; Logging-while-drilling (LWD) ; Pressure core ; Mercury injection porosity
- 刊名：Marine and Petroleum Geology
- 出版年：2015
- 出版时间：September 2015
- 年：2015
- 卷：66
- 期：part_P2
- 页码：388-395
- 全文大小：2281 K
文摘
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LWD densities were corrected and were confirmed by core data.
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The methane hydrate reservoir and the cover sediments were consisted of four zones.
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The zones were related with sedimentary facies, excepting slump lower boundary.