Evolution Law of Wellbore Instability Risk under Fluctuating Pressure
Energies, 2023 The bottom hole fluctuating pressure has a large influence on the wellbore instability. To address this problem, firstly, according to the principle of seepage mechanics, we established a calculation model of the change in pore pressure around the ...
Kai Zhao +4 more
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WELLBORE INSTABILITY: CAUSES AND CONSEQUENCES
Rudarsko-geološko-naftni Zbornik, 2007 Wellbore instability is one of the main problems that engineers meet during drilling. The causes of wellbore instability are often classified into either mechanical (for example, failure of the rock around the hole because of high stresses, low rock ...
Borivoje Pašić +2 more
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Experimental validation of multiphase flow models and testing of multiphase flow meters: A critical review of flow loops worldwide [PDF]
, 2016 Around the world, research into multiphase flow is performed by scientists with hugely diverse backgrounds: physicists, mathematicians and engineers from mechanical, nuclear, chemical, civil, petroleum, environmental and aerospace disciplines ...
Bello, O. O. +2 more
core +4 more sources
Analysis of Wellbore Stability considering the Interaction between Fluid and Shale
Geofluids, 2023 Reservoir shale has the characteristics of bedding planes, strong anisotropy, and strong imbibition ability under ultralow water saturation, which has an important impact on wellbore stability of horizontal wells.
Long Chang +7 more
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Shale problems and water-based drilling fluid optimisation in the Hassi Messaoud Algerian oil field [PDF]
, 2010 Drilling fluid formulation and properties play a fundamental role in drilling operations. Clay minerals behave initially as a beneficial rheological adjuvant in drilling muds.
Benmounah, Abdelbaki +6 more
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Experimental Study of Wellbore Instability in Clays [PDF]
Journal of Geotechnical and Geoenvironmental Engineering, 2011 This paper presents the results of an extensive program of laboratory model wellbore tests that have been performed to study wellbore instability in saturated clays. The tests were conducted on resedimented Boston blue clay (RBBC) anisotropically consolidated to vertical effective stresses up to 10 MPa by using two custom-built thick-walled cylinder ...
Abdulhadi, Naeem O. +2 more
openaire +3 more sources
Assessment of zonal isolation risk to changes in design parameters [PDF]
, 2017 The Well Containment Screening Tool (WCST) focuses on well integrity evaluation after well control incident. The WCST favors a greater wall thickness and, hence, a narrower cementing annulus, potentially increasing the risk of cement loss.
Zhang, Huidong, active 21st century
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Prediction of the lifespan of cement at a specific depth based on the coupling of geomechanical and geochemical processes for CO2 storage [PDF]
, 2019 The injection of carbon dioxide (CO2) captured from combustion-based processes into underground formations is one of a number of plausible methods to reduce its release into the atmosphere and consequential greenhouse gas warming.
Bagheri, Mohammadreza +2 more
core +1 more source
Development of configurational forces during the injection of an elastic rod [PDF]
, 2015 When an inextensible elastic rod is 'injected' through a sliding sleeve against a fixed constraint, configurational forces are developed, deeply influencing the mechanical response.
Bigoni, D. +3 more
core +3 more sources
Assessment of Chemical Effects on Wellbore Stability in Transition Shale Formation
Geofluids, 2022 Substantial research has been conducted on the mechanisms responsible for the wellbore collapse in shale formations. For chemically active soft shale formations, pore pressure and stress change due to osmotic pressure and hydration swelling are usually ...
Hai Lin +4 more
doaj +1 more source