|
|
|
|
|
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
|
|
|
|
|
|
|
|
|
|
|
Yufa He, Benjian Song and Qingping Li
This research explores the geomechanical challenges associated with gas hydrate extraction in submarine slope zones, a setting posing a high risk of significant geological calamities. We investigate slope and wellbore deformations driven by hydrate decom...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dongyu Su, Zhifang Chen, Nanxiang Liu and Xuyue Chen
Wellbores drilled in igneous formation with weak interlayers face significant risk of instabilities. This study aims to investigate the underlying mechanisms of these instabilities by employing a combination of rock mechanics tests and numerical simulati...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaofeng Sun, Qiaobo Hu, Yanlong Li, Mingtao Chen and Yajuan Zhang
The mechanical properties of hydrate-bearing strata in clayey-silt sediments are significantly different from those of either conventional reservoirs or hydrate-bearing sandy sediments, which poses great challenges for wellbore stability analyses. The st...
ver más
|
|
|
|
|
|
|
|
|
|
|
Miaozi Zheng, Renjie Yang, Jianmin Zhang, Yongkai Liu, Songlin Gao and Menglan Duan
Based on the whole life cycle process of the economic exploitation of natural gas hydrate, this paper proposes the basic problem of stabilizing the wellbore for the basic conditions that must be met to ensure the integrity of the wellbore for exploitatio...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hong Li, Kun Ji, Ye Tao and Chun?an Tang
On the basis of a conceptual model for an Excavation based Enhanced Geothermal System (EGS-E), which proposed to extract heat from Hot Dry Rock at depth through dominantly adopting shaft, roadways, and caved rock failure techniques but not depending on e...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xinbo Zhao, Jianjun Wang and Yue Mei
Currently, coal borehole collapses frequently occur during drilling. Considering that the coal near to the wellbore is cut into blocks, and the cleat filler of the coal influences the stress distribution near the wellbore, a new theoretical solution of a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaoling Zhang, Fei Xia, Chengshun Xu and Yan Han
The stability of hydrate-bearing near-wellbore reservoirs is one of the key issues in gas hydrate exploitation. In most previous investigations, the damage evolution process of the sediment structure and its effect on near-wellbore reservoir stability ha...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kumaresan Ravichandran
Pág. 2
Optimum evacuation of drilled cuttings out of the wellbore by drilling fluid is vital in highly deviated well as the cuttings tend to settle at the bottom of the holes, to prevent stuck pipe, excessive torque and other hole problems which may account set...
ver más
|
|
|
|
|
|
|
|
|
|
|
Vahid Atashbari, Mark Tingay and Khalid Amrouch
The Abadan Plain Basin is located in the Middle East region which is host to some of the world’s largest oil and gas fields around the Persian Gulf. This basin is a foredeep basin to the southwest of the Zagros Fold-Thrust-Belt, bounded along its n...
ver más
|
|
|
|
|
|