|
|
|
|
|
Lin Liu, Xiumei Zhang and Xiuming Wang
The inversion of gas hydrate saturation is a critical procedure in the evaluation of hydrate reservoirs. In this paper, a theoretical model for a borehole acoustic wavefield excited by multipole sources is established for the first time. On this basis, t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qingmeng Yuan, Liang Kong, Qianyong Liang, Jinqiang Liang, Lin Yang, Yifei Dong, Zhigang Wang and Xuemin Wu
Clarifying the mechanical characteristics of gas hydrate-bearing sediments (GHBS) from a mechanical perspective is crucial for ensuring the long-term, safe, and efficient extraction of natural gas hydrates. In this study, seabed soft clay from the northe...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fei Gao, Yu Zhang, Chang Chen, Xiaosen Li and Zhaoyang Chen
The effectiveness of horizontal well drilling in improving the gas recovery efficiency of hydrate production makes it a promising technology for commercial exploitation. However, during horizontal well drilling in hydrate reservoirs, it is crucial to con...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ruchun Wei, Lele Liu, Chao Jia, Xiao Dong, Qingtao Bu, Yongchao Zhang, Changling Liu and Nengyou Wu
Changes in undrained shear strength are important to the stability analysis of hydrate reservoirs during natural gas hydrate production. This study proposes a prediction model of undrained shear strength of hydrate-bearing fine-grained sediments based on...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yue Qiu, Xiangfu Wang, Zhaofeng Wang, Wei Liang and Tongbin Zhao
In order to study the influence of damage on the gas production of natural gas hydrate, a multi-physical field theoretical model considering damage effect and coupling thermal-hydraulic-mechanical-chemical (THMC) was established by theoretical analysis a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Evgeny Chuvilin, Dinara Davletshina, Boris Bukhanov, Sergey Grebenkin and Elena Pankratova
High-latitude permafrost, including hydrate-bearing frozen ground, changes its properties in response to natural climate change and to impacts from petroleum production. Of special interest is the behavior of thermal conductivity, one of the key paramete...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dongbin Pan, Lin Yang, Chen Chen and Xitong Li
Fine-grained natural gas hydrate (NGH) reservoirs are widely distributed across the world and bear more than 90% of global NGH. However, it is difficult to exploit this kind of NGH reservoir economically and environmentally using conventional methods. Wa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Qiang Chen, Nengyou Wu, Changling Liu, Changchun Zou, Yang Liu, Jianye Sun, Yanlong Li and Gaowei Hu
Natural gas hydrate is widely spread in marine environments around the world. It has great energy potential due to its high methane gas content. High-precision exploration and evaluation of marine gas hydrate still face great challenges as it is affected...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lin Liu, Xiumei Zhang, Yunjia Ji and Xiuming Wang
A knowledge of wave propagation in boreholes with gas hydrate-bearing sediments, a typical three-phase porous medium, is of great significance for better applications of acoustic logging information on the exploitation of gas hydrate. To study the wave p...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhiqi Guo, Xiaoyu Lv, Cai Liu, Haifeng Chen and Lulu Mei
Characterizing gas hydrate-bearing marine sediments using seismic methods is essential for locating potential hydrate resources. However, most existing pre-stack seismic inversion methods estimate the properties of sediments containing gas hydrates witho...
ver más
|
|
|
|
|
|