A new ensemble machine-learning framework for searching sweet spots in shale reservoirs

J Tang, B Fan, L Xiao, S Tian, F Zhang, L Zhang… - SPE Journal, 2021 - onepetro.org
Knowing the location of sweet spots benefits the horizontal well drilling and the selection of
perforation clusters. Generally, geoscientists determine sweet spots from the well-logging …

Assisted history matching in shale gas well using multiple-proxy-based Markov chain Monte Carlo algorithm: The comparison of K-nearest neighbors and neural …

S Tripoppoom, X Ma, R Yong, J Wu, W Yu… - Fuel, 2020 - Elsevier
We performed assisted history matching (AHM) in a real shale gas well using uncertain
parameters such as fracture geometry, fracture conductivity, matrix permeability, matrix and …

[HTML][HTML] Well interference evaluation considering complex fracture networks through pressure and rate transient analysis in unconventional reservoirs

JZ Qin, QH Zhong, Y Tang, W Yu, K Sepehrnoori - Petroleum Science, 2023 - Elsevier
Severe well interference through complex fracture networks (CFNs) can be observed among
multi-well pads in low permeability reservoirs. The well interference analysis between multi …

Investigation of different production performances in shale gas wells using assisted history matching: Hydraulic fractures and reservoir characterization from …

S Tripoppoom, J Xie, R Yong, J Wu, W Yu… - Fuel, 2020 - Elsevier
We investigated the difference in production performances of three shale gas wells with
different completions and fracturing designs. We used assisted history matching technique …

Characterizing hydraulic and natural fractures properties in shale oil well in Permian basin using assisted history matching

S Tripoppoom, X Wang, Z Liu, W Yu, H Xie… - Fuel, 2020 - Elsevier
We performed assisted history matching (AHM) to an actual shale oil well in Permian basin
using Embedded Discrete Fracture Model and neural network Markov chain Monte Carlo …

Impact of complex fracture networks on rate transient behavior of wells in unconventional reservoirs based on embedded discrete fracture model

J Qin, Y Xu, Y Tang, R Liang… - Journal of …, 2022 - asmedigitalcollection.asme.org
It has recently been demonstrated that complex fracture networks (CFNs) especially
activated natural fractures (ANF) play an important role in unconventional reservoir …

Deep‐learning‐based adjoint state method: Methodology and preliminary application to inverse modeling

C Xiao, Y Deng, G Wang - Water Resources Research, 2021 - Wiley Online Library
We present an efficient adjoint model based on the deep‐learning surrogate to address high‐
dimensional inverse modeling with an application to subsurface transport. The proposed …

A new tool for searching sweet spots by using gradient boosting decision trees and generative adversarial networks

J Tang, B Fan, G Xu, L Xiao, S Tian, S Luo… - International Petroleum …, 2020 - onepetro.org
High-density completions prevail in shale oil formation in China due to the difficulty of
identifying the sweet spot with high accuracy. Knowing the location of sweet spots benefits …

Multi-phase rate transient behaviors of the multi-fractured horizontal well with complex fracture networks

Y He, Y Xu, Y Tang, Y Qiao… - Journal of Energy …, 2022 - asmedigitalcollection.asme.org
Complex fracture networks (CFN) provide flow channels and significantly affect well
performance in unconventional reservoirs. However, traditional rate transient analysis (RTA) …

Evaluation of single fracture stage performance with integrated rock mechanics and pressure transient analysis

AF Ibrahim, M Ibrahim, M Sinkey, T Johnston… - SPE Annual Technical …, 2020 - onepetro.org
The most common stimulation technique for shale production is multistage hydraulic
fracturing. Estimating fracture geometry is a focal parameter to judge the fracture operation …