Comparison of different failure criteria in prediction of safe mud weigh window in drilling practice

S Maleki, R Gholami, V Rasouli, A Moradzadeh… - Earth-Science …, 2014‏ - Elsevier
Wellbore stability is one of the most significant problems observed during drilling practice.
Determination of safe mud weigh window is hence critically important in order to avoid …

Wellbore stability analysis and prediction of minimum mud weight for few wells in Krishna-Godavari Basin, India

B Das, R Chatterjee - International Journal of Rock Mechanics and Mining …, 2017‏ - Elsevier
Abstract Analysis of wellbore instability contains evaluation of rock mechanical properties
and the state of in-situ stresses. In this analysis the only convenient factor is the mud weight …

Experimental study of brittleness anisotropy of shale in triaxial compression

Z Geng, M Chen, Y **, S Yang, Z Yi, X Fang… - Journal of Natural Gas …, 2016‏ - Elsevier
Brittleness of rock plays a key role in petroleum related rock mechanics. Compression brittle
failure of shale is more relevance to directional wellbore stability. The bedding angle (0° …

A shaly look at brittleness

RM Holt, E Fjaer, OM Nes, HT Alassi - ARMA US Rock Mechanics …, 2011‏ - onepetro.org
Brittleness is considered a key parameter for hydraulic fracturing initiation and propagation
in low permeability rock, like gas shale. Plasticity, which in general increases with reduced …

Drilling time reduction through an integrated rock mechanics analysis

OM Nes, E Fjær, J Tronvoll, TG Kristiansen… - 2012‏ - asmedigitalcollection.asme.org
A working methodology to minimize wellbore stability problems has been established
through the use of unique laboratory tests, an experimental database for fluid-rock …

Chemoporoelastic analysis and experimental validation of the pore pressure transmission test for reactive shales

J Sarout, E Detournay - International Journal of Rock Mechanics and …, 2011‏ - Elsevier
This paper analyzes the pore pressure transmission test within the framework of the Biot
theory of poroelasticity, extended to include physicochemical interactions. The main …

Borehole stability analysis considering spatial variability and poroelastoplasticity

AL Muller, E do Amaral Vargas Jr, LE Vaz… - International journal of …, 2009‏ - Elsevier
Typically, stability analysis of oil-producing wells is carried out considering that both the
hydraulic and mechanical parameters of the rock mass are deterministic. When analyzing …

A novel experimental technique to monitor the time-dependent water and ions uptake when shale interacts with aqueous solutions

T Al-bazali - Rock mechanics and rock engineering, 2013‏ - Springer
The time-dependent water and ions uptake when shale interacts with aqueous solutions is
quantified using a combination of immersion and gravimetric techniques. Results show that …

eDrilling: a system for real-time drilling simulation, 3D visualization, and control

R Rommetveit, KS Bjørkevoll, GW Halsey… - SPE Digital Energy …, 2007‏ - onepetro.org
Abstract eDrilling is a new and innovative system for real time drilling simulation, 3D
visualization and control from a remote drilling expert centre. The concept uses all available …

[كتاب][B] The impact of shale properties on wellbore stability

J Zhang - 2005‏ - search.proquest.com
Copyright by Jianguo Zhang 2005 Page 1 Copyright by Jianguo Zhang 2005 Page 2 The
Dissertation Committee for Jianguo Zhang Certifies that this is the approved version of the …