Wellbore stability analysis to determine the safe mud weight window for sandstone layers

A Darvishpour, MC Seifabad, DA Wood… - Petroleum Exploration …, 2019 - Elsevier
The wellbore stability of a vertical well through the sandstone reservoir layers of the Asmari
oil-bearing formation in south-west Iran is investigated. The safe drilling-fluid density range …

Scaling-up dynamic elastic logs to pseudo-static elastic moduli of rocks using a wellbore stability analysis approach in the Marun oilfield, SW Iran

E Jamshidi, P Kianoush, N Hosseini, A Adib - Scientific Reports, 2024 - nature.com
Wellbore stability analysis is a critical component of petroleum engineering, evaluating the
risks of sanding, reservoir compaction, and casing failures. Laboratory rock mechanical …

[HTML][HTML] Wellbore stability in a depleted reservoir by finite element analysis of coupled thermo-poro-elastic units in an Oilfield, SW Iran

A Pirhadi, P Kianoush, A Ebrahimabadi… - Results in Earth …, 2023 - Elsevier
Sustaining wellbore stability in depleted reservoirs is a crucial concern. With production from
hydrocarbon reservoirs, the reservoir's pore pressure is reduced over time, and the reservoir …

Geomechanical model and wellbore stability analysis utilizing acoustic impedance and reflection coefficient in a carbonate reservoir

H Bagheri, AA Tanha, F Doulati Ardejani… - Journal of Petroleum …, 2021 - Springer
One of the most important oil and gas drilling studies is wellbore stability analysis. The
purpose of this research is to investigate wellbore stability from a different perspective. To …

Determination of the mud weight window, optimum drilling trajectory, and wellbore stability using geomechanical parameters in one of the Iranian hydrocarbon …

M Hoseinpour, MA Riahi - Journal of Petroleum Exploration and …, 2022 - Springer
The challenges behind this research were encountered while drilling into the Ilam,
Mauddud, Gurpi, and Mishrif Formations, where severe drilling instability-related issues …

[HTML][HTML] An approach for wellbore failure analysis using rock cavings and image processing

C Skea, A Rezagholilou, PB Far, R Gholami… - Journal of Rock …, 2018 - Elsevier
There have been interests to link different cuttings/cavings to various wellbore failure types
during drilling. This concept is essential when caliper and image logs are not available …

Borehole stability in shale formations: Effects of Thermal˗ Mechanical˗ Chemical parameters on well design

M Aslannezhad, A Kalantariasl, A Keshavarz - Journal of Natural Gas …, 2021 - Elsevier
Borehole instability in the petroleum industry is mainly because of mechanical, chemical,
and thermal factors which result in substantial yearly expenditures. The essential part of …

[HTML][HTML] A cost-effective chemo-thermo-poroelastic wellbore stability model for mud weight design during drilling through shale formations

S Rafieepour, S Zamiran, M Ostadhassan - Journal of Rock Mechanics and …, 2020 - Elsevier
Drilling through chemically-active shale formations is of special importance due to time-
dependent drilling fluid–shale interactions. The physical models presented so far include …

[HTML][HTML] An evaluation of viscous deformation of chalk on wellbore stability

MR Hajiabadi, A Afrough, HM Nick - Journal of Natural Gas Science and …, 2022 - Elsevier
Wellbore instability has become an increasing concern for horizontal wells, especially with
the move towards using drilling innovations that the entire lateral sections are remained …

Elastoplastic analytical investigation of wellbore stability for drilling in methane hydrate-bearing sediments

ZY Guo, HN Wang, MJ Jiang - Journal of Natural Gas Science and …, 2020 - Elsevier
Methane hydrates (MHs) are popular clean energy resources. The dissociation of MHs near
the wellbore wall during drilling in marine methane hydrate-bearing sediments (MHBS) …