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R. Nygaard
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Proceedings Papers

Data Driven In-Situ Sonic Log Synthesis in Carbonate Reservoirs

F. A. Hadi, R. Nygaard
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1669
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View Paper titled, Data Driven In-Situ Sonic Log Synthesis in Carbonate Reservoirs
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Proceedings Papers

Fixed Bit Rotary Drilling Failure Criteria Effect on Drilling Vibration

A. Sharma, M. Al Dushaishi, R. Nygaard
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2083
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View Paper titled, Fixed Bit Rotary Drilling Failure Criteria Effect on Drilling Vibration
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Proceedings Papers

Field Data Analysis and Modeling of Drillstring Vibrations to Identify Inefficiency in Deep Geothermal Drilling

L. Barnett, K. Klein, M. F. Al Dushaishi, R. Nygaard, G. Hareland
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2015
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View Paper titled, Field Data Analysis and Modeling of Drillstring Vibrations to Identify Inefficiency in Deep Geothermal Drilling
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Proceedings Papers

Top of Cement Selection Results in Leakage Pathways of Cased Wellbores During Production

J. Wise, R. Nygaard
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1296
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View Paper titled, Top of Cement Selection Results in Leakage Pathways of Cased Wellbores During Production
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Proceedings Papers

Generating Synthetic Bulk Density Logs for Carbonate Formations

F. A. Hadi, R. Nygaard, A. Al-Neeamy
Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-2048
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View Paper titled, Generating Synthetic Bulk Density Logs for Carbonate Formations
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Proceedings Papers

Cuttings Disposal in Cement: Investigation of the Effect on Mechanical Properties

A. E. Cedola, R. Nygaard, G. Hareland
Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1677
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View Paper titled, Cuttings Disposal in Cement: Investigation of the Effect on Mechanical Properties
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Proceedings Papers

Numerical Analysis of Wellbore Integrity and Cement Sheath Debonding for Wells in the Eugene Island OPD, Gulf of Mexico

J. Wise, R. Nygaard, G. Hareland
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0439
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View Paper titled, Numerical Analysis of Wellbore Integrity and Cement Sheath Debonding for Wells in the Eugene Island OPD, Gulf of Mexico
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Proceedings Papers

Improving Wellbore Strengthening Property of Water-Based Drilling Fluid by Addition of Barite Nanoparticles

S. Akhtarmanesh, G. Hareland, Jr., G. Hareland, R. Nygaard
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0498
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View Paper titled, Improving Wellbore Strengthening Property of Water-Based Drilling Fluid by Addition of Barite Nanoparticles
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Proceedings Papers

Experimental Evaluation on Using Coal Combustion Residuals for Controlling Fluid Invasion in Shales

R. Rahimi, R. Nygaard, G. Hareland, S. Akhtarmanesh
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-134
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View Paper titled, Experimental Evaluation on Using Coal Combustion Residuals for Controlling Fluid Invasion in Shales
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Proceedings Papers

Shear Wave Prediction in Carbonate Reservoirs: Can Artificial Neural Network Outperform Regression Analysis?

F. A. Hadi, R. Nygaard
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-905
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View Paper titled, Shear Wave Prediction in Carbonate Reservoirs: Can Artificial Neural Network Outperform Regression Analysis?
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Proceedings Papers

Probabilistic-Analysis of Deviated Wellbore Stability in Carbonate Formations of SE Iraq

F. A. Hadi, R. Nygaard, S. A. Hilgedick
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0932
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View Paper titled, Probabilistic-Analysis of Deviated Wellbore Stability in Carbonate Formations of SE Iraq
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Proceedings Papers

Application of Differential Evolution to Predict Wellbore Strengthening From Drilling Fluid Containing Nanoparticles HPHT Filtration Test Results

S. Akhtarmanesh, A. Atashnezhad, G. Hareland, R. Nygaard
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0070
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View Paper titled, Application of Differential Evolution to Predict Wellbore Strengthening From Drilling Fluid Containing Nanoparticles HPHT Filtration Test Results
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Proceedings Papers

Modelling of a Drill Bit Blaster

N. J. Thorp, G. Hareland, B. R. Elbing, R. Nygaard
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-451
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View Paper titled, Modelling of a Drill Bit Blaster
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Proceedings Papers

Shale Instability of Deviated Wellbores in Southern Iraqi Fields

A. A. Alsubaih, R. Nygaard
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-087
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View Paper titled, Shale Instability of Deviated Wellbores in Southern Iraqi Fields
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Proceedings Papers

Barite Nano-Micro Particles with LCM Seals Fractured Form Better in Weighted Water Based Drilling Fluids

S. Akhtarmanesh, M. Al-saba, A. E. Cedola, R. Qader, V. T. Caldarola, G. Hareland, R. Nygaard
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-306
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View Paper titled, Barite Nano-Micro Particles with LCM Seals Fractured Form Better in Weighted Water Based Drilling Fluids
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Proceedings Papers

Nanoparticles in Weighted Water Based Drilling Fluids Increase Loss Gradient

A. E. Cedola, S. Akhtarmanesh, R. Qader, V. T. Caldarola, G. Hareland, R. Nygaard, M. Alsaba
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-310
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View Paper titled, Nanoparticles in Weighted Water Based Drilling Fluids Increase Loss Gradient
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Proceedings Papers

What Difference Does Selection of Failure Criteria Make in Wellbore Stability Analysis?

R. Rahimi, R. Nygaard
Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7146
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View Paper titled, What Difference Does Selection of Failure Criteria Make in Wellbore Stability Analysis?
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Proceedings Papers

Limitations of Log-Based Wellbore Stability Analysis In an Unconventional Conglomerate-Rich Reservoir In the Southern North Sea

S.A. Hilgedick, R. Nygaard, S. Hellvik, E. Hoel, E. Skurtveit
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-423
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View Paper titled, Limitations of Log-Based Wellbore Stability Analysis In an Unconventional Conglomerate-Rich Reservoir In the Southern North Sea
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Proceedings Papers

Shared Earth Models Give Model Consistency In Simulations; Application At a Shallow Carbon Dioxide Sequestration Site

I.C. Akpan, S. Govindarajan, R. Nygaard, A. Eckert, B. Baojun
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-579
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View Paper titled, Shared Earth Models Give Model Consistency In Simulations; Application At a Shallow Carbon Dioxide Sequestration Site
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Proceedings Papers

Role of Geometrical Influences of CO2 Sequestration In Anticlines

A. Amirlatifi, A. Eckert, R. Nygaard, B. Bai, X. Liu, M. Paradeis
Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-255
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View Paper titled, Role of Geometrical Influences of CO2 Sequestration In Anticlines
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