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Models for wellbore stability

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Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1378
..., changing in facies occurs. Mishrif reservoir contains a 26° API gravity black oil. ARMA 20 1378 Managing Wellbore Instability through Geomechanical Modeling and Wellbore Stability Analysis A. S. Dahab and Abdulaziz M. Abdulaziz Cairo University, Cairo, Egypt Manhalawi, Asmaa Basra Oil Company, Basra, Iraq...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0190
...) coupling effect and coal shrinkage induced by methane desorption that happened in the underbalanced condition. However, most previous studies ignored the influence of T-H-M coupling and coal shrinkage on wellbore stability. Therefore, a fully coupled T-H-M model with local thermal equilibrium condition...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31119-MS
... of seismic data. Therefore, in the development oilfield with poor seismic data quality, we use attribute modeling method to construct high-precision 3D geostress field to help analyze the wellbore stability of oilfield development wells. First, 3D structural model is created by using seismic interpretation...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1325
... is injected to formation that causes rock skeleton stress, formation pore pressure and temperature to change. It’s necessary to study the effects of the coupled seepage, stress and temperature fields on wellbore stability in heavy oil reservoirs. We develop a fully coupled thermo-hydro-mechanical model...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 11–13, 2020
Paper Number: SPE-203632-MS
... drilling events and mud weights used during the drilling of existing offset wells. Phase Three: Validation of the model by history matching the MEMs predictions with recorded wellbore stability events. Pore Pressure Estimation The pore pressure of a subsurface formation is primarily a function...
Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-2079
... of the drilling fluid (or formation fluid) in the internal passage of the rock. And further, in the fluid-solid coupling analysis, the effect of fluid fluidity on the stress distribution is of great significance. ARMA 20 2079 Numerical Modeling of Wellbore Stability during Open-hole Well Test in Sandy...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2084
... to excessive plastic deformation of the near wellbore region. Some implications for maintaining wellbore stability and reducing sand production have been provided based on the numerical modeling results. Reservoir Characterization enhanced recovery SAGD Upstream Oil & Gas oil field modeling...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2879569-MS
... mud weight window criterion horizontal stress wellbore integrity wellbore stability analysis trajectory prediction vertical stress rock mechanical property Zubair Formation Magnitude breakout URTeC: 2879569 Geomechanical Modeling and Wellbore Stability Analysis Approach to Plan Deep...
Proceedings Papers

Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191242-MS
.... In such circumstances, a calibrated 3D geomechanical model can be used. This paper introduces a generic workflow for developing a calibrated 3D geomechanical model that can be used for wellbore stability analysis. The workflow incorporates calibrated 1D geomechanical models and existing static geological modeling...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1059
... the evolution of damage zone around the wellbore and evaluating the stability of wells drilled in naturally fractured shale formations with a single system of parallel fractures. A jointed material plasticity model is adopted to account for the strength anisotropy due to the existence of fractures. Permeability...
Proceedings Papers

Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28069-MS
.... Cambridge University Press , 464 pages. 2007, 2010 . Abstract Abstract In this study, a wellbore stability model was built of the pre-salt area using analytical correlations to obtain an optimum mud window. The operational window assists in optimizing the fluid weight to be used while drilling...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182220-MS
... wellbore integrity reservoir geomechanics wellbore stability analysis geomechanical model horizontal stress Wellbore Design mud weight rock strength rock mechanical property mud weight window hmin Reservoir Characterization Upstream Oil & Gas sandstone ppg hole section...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 21–23, 2014
Paper Number: SPE-169458-MS
.... 2013 . Geomechanical Modeling of Wellbore Stability in Salt Formation . Paper SPE 116114 presented at the SPE Annual Technical Conference and Exhibition held in New Orleans, Louisiana, USA , 30 September–2 October . Figure 1 Creep Testing Results from a Salt-rock Specimen. Figure...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-167627-STU
... 10.1071 5.0536 4.94 1.14 10884.72 4.25 11.0665 5.5332 5.52 1.17 A Wellbore Analysis Stability Software, STABView TM was used to model the wellbore breakouts at various depths, with input values of the various rock mechanical properties and in-situ stresses from the model logs...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166144-MS
... movement can displace wellbore tubular, possibly causing casing failure or restricted access to hydrocarbon flow ( Fig. 1 , right). In addition, a salt intrusion can locally distort the stress field making wellbore stability impossible to predict using conventional geomechanical models, because casing...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Conference and Exhibition, November 11–14, 2012
Paper Number: SPE-159091-MS
... stability analysis of those wells provided insight into the causes of the wellbore instability problems. To predict wellbore stability at any location in the field more efficiently and capturing the lateral formation property variation as indicated by the seismic data, a 3-D geomechanical model...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 1–4, 2010
Paper Number: SPE-138214-MS
... for this specific area. This model was then used as input in wellbore stability analysis tool. The same geomechanical model can be used for Nahr Umr shale in any near by area if there isn’t any data available for that specific area however for more accurate analysis it is always better to acquire data for the area...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, November 1–3, 2010
Paper Number: SPE-135894-MS
... a more realistic and less conservative prediction of wellbore risk than models developed to study the stability of overbalanced wells. This new model can be applied to predict whether underbalanced operations are possible in a given well, and also the severity of wellbore instability as a function...
Proceedings Papers

Paper presented at the SPE International Conference on CO2 Capture, Storage, and Utilization, November 2–4, 2009
Paper Number: SPE-126624-MS
... Abstract A mechanical earth model (MEM) and wellbore stability analysis were completed for a CO 2 injection well in the Eau Claire shale where in offset wells, severe borehole enlargements were experienced. This shale serves as a caprock for the Mt. Simon injection zone in the planned CO 2...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-109662-MS
... temperature (HPHT) gas/condensate field for enhanced Mechanical Earth Modelling, and wellbore stability analyses using three-dimensional sonic measurements in overburden and reservoir formations. Kvitebjorn field is situated on the Norwegian continental shelf west of the Viking Graben In the HPHT Kvitebjorn...

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