Porosity/gas-hydrate concentration relationship of gas-hydrate-bearing formations in the JAPEX/JNOC/GSC Malik 2L-38 gas hydrate research well, Mackenzie Delta, Canada

Title
Porosity/gas-hydrate concentration relationship of gas-hydrate-bearing formations in the JAPEX/JNOC/GSC Malik 2L-38 gas hydrate research well, Mackenzie Delta, Canada
Author(s)
진영근; 이명웅; T.S. Collett
Publication Year
2002-05-20
Abstract
Well logs acquired at the Mallik 2L-38 gas hydrate research well, Mackenzie Delta, Canada, reveal a distinct trend showing that the resistivity of gas-hydrate-bearing sediments increases with increases in density porosities. This trend, opposite to the general trend of decrease in resistivity with porosity, implies that gas hydrates are more concentrated in the higher porosity. Using the Mallik 2L-38 well data, a proportional gas hydrate concentration (PGHC) model, which states that the gas hydrate concentration in the sediment's pore space is linearly proportional to porosity, is proposed for the general habitat of gas hydrate in sediments. Anomalous data (less than 6% of the total data) outside the dominant observed trend can be explained by local geological characteristics. The anomalous data analysis indicates that highly concentrated gas-hydrate-bearing layers would be expected where sediments have high proportions of gravel and coarse sand.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/32580
Bibliographic Citation
Proceedings of the 4th International Conference on Gas Hydrates, pp.233 - 238, 2002
Publisher
4th ICGH
Type
Conference
Language
English
Publisher
4th ICGH
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