Hole cleaning and drilling fluid sweeps in horizontal and deviated wells: Comprehensive review

H Mahmoud, A Hamza, MS Nasser, IA Hussein… - Journal of petroleum …, 2020 - Elsevier
Horizontal wells provide high drainage area within the reservoirs. Advancements in
horizontal drilling technologies are utilized to develop unconventional resources such as …

Plugging methods for underground gas extraction boreholes in coal seams: A review of processes, challenges and strategies

Z Lou, K Wang, M Kang, W Zhao, G Wei, J Yue… - Gas Science and …, 2024 - Elsevier
Gas extraction is an important method to solve coal mine gas disasters, utilize coalbed
methane (CBM) resources and reduce greenhouse gas emissions. Construction of …

Natural source of Cr (VI) in soil: The anoxic oxidation of Cr (III) by Mn oxides

M Ao, S Sun, T Deng, F Zhang, T Liu, Y Tang… - Journal of Hazardous …, 2022 - Elsevier
Cr (VI) from oxidation of geogenic Cr (III) minerals is gradually becoming the primary source
of Cr (VI) in soils and groundwater instead of direct emissions. Thermodynamically, natural …

[HTML][HTML] Experimental study on the degree and damage-control mechanisms of fuzzy-ball-induced damage in single and multi-layer commingled tight reservoirs

CJ Okere, JJ Sheng, LK Fan, XW Huang, LH Zheng… - Petroleum Science, 2023 - Elsevier
Fuzzy-ball working fluids (FBWFs) have been successfully applied in different development
phases of tight reservoirs. Field reports revealed that FBWFs satisfactorily met all the …

[HTML][HTML] A new environmentally friendly water-based drilling fluids with laponite nanoparticles and polysaccharide/polypeptide derivatives

XL Li, GC Jiang, Y Xu, ZQ Deng, K Wang - Petroleum Science, 2022 - Elsevier
Considering the increasing environmental pressure, environmentally friendly and high-
performance water-based drilling fluids (WBDFs) have been widely studied in recent years …

Insights into the application of new eco-friendly drilling fluid additive to improve the fluid properties in water-based drilling fluid systems

ATT Al-Hameedi, HH Alkinani, S Dunn-Norman… - Journal of Petroleum …, 2019 - Elsevier
The objective of this work is to develop an eco-friendly drilling fluid additive to regulate
filtrate and mud cake thickness as well as to assess other drilling fluid properties. The …

Large-scale true tri-axial fracturing experimental investigation on diversion behavior of fiber using 3D printing model of rock formation

L Zhang, F Zhou, J Mou, M Pournik, S Tao… - Journal of Petroleum …, 2019 - Elsevier
The complex carbonate reservoir is characterized by strong heterogeneity, developed
natural fractures, and high temperature. In order to enhance its stimulation effect and …

[HTML][HTML] Towards recent tendencies in drilling fluids: Application of carbon-based nanomaterials

R Ikram, BM Jan, J Vejpravova - Journal of Materials Research and …, 2021 - Elsevier
Recently, the role of carbon nanomaterials has been widely demonstrated in various
industrial applications. Due to their unique chemical, physical, mechanical, and thermal …

Formation damage mitigation mechanism for coalbed methane wells via refracturing with fuzzy-ball fluid as temporary blocking agents

J He, CJ Okere, G Su, P Hu, L Zhang, W Xiong… - Journal of Natural Gas …, 2021 - Elsevier
During drainage and production from coalbed methane (CBM) wells, the reservoir is prone
to formation damage in the form of blockage of the seepage channels by coal fines or …

Experimental, algorithmic, and theoretical analyses for selecting an optimal laboratory method to evaluate working fluid damage in coal bed methane reservoirs

CJ Okere, G Su, L Zheng, Y Cai, Z Li, H Liu - Fuel, 2020 - Elsevier
The existing laboratory methods have limitations that make it very difficult to select the most
suitable method for obtaining precise permeability measurements for evaluating reservoir …