Development and application of a double action acidic emulsion for improved oil well performance: laboratory tests and field trials

DA Martyushev, J Vinogradov - Colloids and Surfaces A: Physicochemical …, 2021‏ - Elsevier
Emulsified acid has attracted considerable attention of the oil and gas industry due to its
delayed action that allows deeper penetration of acid into the formation which essentially …

Optimization and uncertainty quantification method for reservoir stimulation through carbonate acidizing

Q Sahu, M Fahs, H Hoteit - ACS omega, 2022‏ - ACS Publications
Reservoir stimulation is a widely used technique in the oil and gas industry for increasing
the productivity of hydrocarbon reservoirs, most notably in carbonate formations. This work …

The impact of wormhole generation in carbonate reservoirs on CO2-WAG oil recovery

M Khather, N Yekeen, A Al-Yaseri… - Journal of Petroleum …, 2022‏ - Elsevier
In this paper, the impact of CO 2-carbonate interactions on hydrocarbon recovery from three
initially oil-saturated heterogeneous carbonate core samples (with low and mid …

Modeling matrix acidizing in naturally fractured carbonate reservoirs

L Wang, J Mou, S Mo, B Zhao, Z Liu, X Tian - Journal of Petroleum Science …, 2020‏ - Elsevier
Natural fractures, often developed in carbonate reservoirs, have significant influence on flow
fields, thus affecting wormhole propagation in matrix acidizing. They are vital factors to be …

Experimental optimization of a recently developed matrix acid stimulation technology in heterogeneous carbonate reservoirs

H Jafarpour, H Aghaei, V Litvin, R Ashena - Journal of Petroleum Science …, 2021‏ - Elsevier
The present work aims to investigate and discuss the design features of a recently
developed multi-batch acid stimulation fluid system with deterministic effect on the success …

Propagation characteristics of optimum wormhole in carbonate matrix acidizing using micro X-ray CT imaging

H Yoo, Y Kim, H Jang, J Lee - Journal of Petroleum Science and …, 2021‏ - Elsevier
This study aims to investigate the propagation characteristics of an optimum wormhole to
make an efficient acid treatment in carbonate matrix acidizing based on wormhole …

Improved wormhole prediction model considering propagation characteristics of wormhole head in carbonate acidizing

H Yoo, T Nguyen, J Lee - Journal of Petroleum Science and Engineering, 2022‏ - Elsevier
Comprehensive studies on wormhole prediction models have been performed to design
successful matrix acidizing in carbonate reservoirs. In particular, linear coreflooding …

Effects of pre-existing fractures on carbonate matrix stimulation studied by large-scale radial acidizing experiments

G Aidagulov, D Gwaba, R Kayumov, A Sultan… - SPE Middle East Oil …, 2019‏ - onepetro.org
Carbonate reservoirs host a significant amount of hydrocarbon reserves in the Middle East
and worldwide. In matrix acidizing stimulation, hydrochloric acid (HCl) is commonly injected …

Lattice Boltzmann study of porosity-permeability variation in different regimes of non-isothermal dissolution in porous media

M Taahodi, A Mohebbi, AEF Monfared - Journal of Petroleum Science and …, 2021‏ - Elsevier
Characterizing the process of dissolution in porous media by thermally energized reactants
is of great importance to different aspects of the geothermal science and petroleum industry …

Permeability anisotropy impact on wormhole propagation in openhole and limited-entry completions: A 3D numerical study

MS Aljawad - Gas Science and Engineering, 2023‏ - Elsevier
The permeability in carbonate reservoirs is not the same in all directions (ie, anisotropic), a
property seldom considered in acid stimulation. The study hypothesizes that permeability …