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15 Results Found

  • Article
  • Open Access
8 Citations
2,465 Views
16 Pages

24 March 2022

In weakly cemented reservoirs or coal-bed methane reservoirs, the conductivity of hydraulic fractures always declines after a period of production, which greatly influences gas production. In this paper, a comprehensive model considering fine-grained...

  • Article
  • Open Access
714 Views
19 Pages

30 May 2025

Continental shale oil fracturing dynamics are governed by interactions between hydraulic fractures and pre-existing natural fractures. This study establishes a fluid–solid coupling model using globally embedded cohesive elements to simulate fra...

  • Article
  • Open Access
8 Citations
1,638 Views
23 Pages

28 October 2022

The stimulation method of the marine natural gas hydrate (NGH) reservoir through hydraulic fracturing has been proposed to resolve the problem of the low production capacity in the conventional development method of pressure drawdown. Nevertheless, d...

  • Article
  • Open Access
3 Citations
1,561 Views
19 Pages

Three-Water Differential Parallel Conductivity Saturation Model of Low-Permeability Tight Oil and Gas Reservoirs

  • Xiangyang Hu,
  • Renjie Cheng,
  • Hengrong Zhang,
  • Jitian Zhu,
  • Peng Chi and
  • Jianmeng Sun

3 April 2024

Addressing the poor performance of existing logging saturation models in low-permeability tight sandstone reservoirs and the challenges in determining model parameters, this study investigates the pore structure and fluid occurrence state of such res...

  • Article
  • Open Access
3 Citations
2,194 Views
13 Pages

Mechanical Impurities Carry-Over from Horizontal Heavy Oil Production Well

  • Alexey Dengaev,
  • Vladimir Shishulin,
  • Ilya Drozdov,
  • Anna Novikova,
  • Olga Eremenko,
  • Elena Safiullina and
  • Alexey V. Vakhin

9 October 2023

Currently, a global attention has been paid to the development and exploitation of shallow depth heavy oil reservoirs. Such oilfields are rationally developed via a network of horizontal wells. However, the weakly cemented reservoir rock beds lead to...

  • Article
  • Open Access
7 Citations
3,428 Views
25 Pages

14 February 2020

The diagenetic environment is vital in controlling reservoir quality by influencing diagenetic processes, especially porosity evolution. The Zhuhai Formation is a critical exploration target in the Huizhou Sag. However, there are considerable differe...

  • Article
  • Open Access
2 Citations
1,587 Views
19 Pages

Numerical Investigation on Mesoscale Evolution of Hydraulic Fractures in Hydrate-Bearing Sediments

  • Xiaowei Liang,
  • Hui Zhao,
  • Yongchao Dang,
  • Qihong Lei,
  • Shaoping Wang,
  • Xiaorui Wang,
  • Huiqiang Chai,
  • Jianbo Jia and
  • Yafei Wang

9 November 2023

Hydraulic fracturing is widely recognized as a potential stimulation technology for the development of challenging natural gas hydrate. However, the fracturing behavior of non-diagenetic hydrate reservoirs has peculiar characteristics that are differ...

  • Article
  • Open Access
6 Citations
2,719 Views
27 Pages

23 November 2021

Deeply buried sandstones in the Jurassic, Toutunhe Formation, are a crucial exploration target in the Junggar Basin, NW China, whereas, reservoir-forming process of sandstones in the Toutunhe Formation remain unknown. Focused on the tight sandstone o...

  • Article
  • Open Access
7 Citations
2,471 Views
13 Pages

Modeling Results for the Real Horizontal Heavy-Oil-Production Well of Mechanical Solids

  • Aleksey Dengaev,
  • Vladimir Shishulin,
  • Elena Safiullina and
  • Aleksandra Palyanitsina

17 July 2022

Recently, more and more new oil fields entering commercial production are complicated by the content of high-viscosity products, which are located at relatively shallow depths. For the rational development of such fields, a network of horizontal well...

  • Article
  • Open Access
11 Citations
2,948 Views
9 Pages

The Control of Apparent Wettability on the Efficiency of Surfactant Flooding in Tight Carbonate Rocks

  • Harris Sajjad Rabbani,
  • Yossra Osman,
  • Ibrahim Almaghrabi,
  • Mohammad Azizur Rahman and
  • Thomas Seers

2 October 2019

In this research, a state-of-the-art experimental core flooding setup is used to assess the efficiency of surfactant flooding as an enhanced oil recovery (EOR) technique in tight carbonate rocks. Specifically, we investigate the role of apparent wett...

  • Article
  • Open Access
585 Views
21 Pages

Hydraulic Fracture Propagation Behavior in Tight Conglomerates and Field Applications

  • Zhenyu Wang,
  • Wei Xiao,
  • Shiming Wei,
  • Zheng Fang and
  • Xianping Cao

7 August 2025

The tight conglomerate oil reservoir in Xinjiang’s Mahu area is situated on the northwestern margin of the Junggar Basin. The reservoir comprises five stacked fan bodies, with the Triassic Baikouquan Formation serving as the primary pay zone. T...

  • Article
  • Open Access
6 Citations
2,757 Views
23 Pages

27 September 2022

The Middle-Upper Cambrian Xixiangchi Formation in the Sichuan Basin is regarded as an important reservoir with great potential for hydrocarbon exploration. It is previously indicated that the Xixiangchi carbonates have experienced extensive dolomitiz...

  • Article
  • Open Access
6 Citations
2,426 Views
20 Pages

Numerical Study and Force Chain Network Analysis of Sand Production Process Using Coupled LBM-DEM

  • Tian Xia,
  • Qihong Feng,
  • Sen Wang,
  • Jiyuan Zhang,
  • Wei Zhang and
  • Xianmin Zhang

28 February 2022

Sand production has caused many serious problems in weakly consolidated reservoirs. Therefore, it is very urgent to find out the mechanism for this process. This paper employs a coupled lattice Boltzmann method and discrete element method (LBM-DEM) t...

  • Article
  • Open Access
9 Citations
5,568 Views
20 Pages

3 March 2019

The Carboniferous Batamayineishan Formation of the Kelameili Gas Field is a specific weathered crust-related volcanic reservoir that has a significant production rate in the Junggar Basin, Northwestern China, attributed to debatable processes of flui...

  • Article
  • Open Access
17 Citations
3,782 Views
27 Pages

23 September 2018

Natural fractures (NFs) have been recognized as the dominant factors that increase hydraulic fracture complexity and reservoir productivity. However, the interactions between hydraulic and natural fractures are far from being fully understood. In thi...