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M. A. Elsayed
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Proceedings Papers

Atomization Quality of Twin Fluid Atomizers for Gas Turbines

M. M. Elkotb, M. A. Elsayed Mahdy, M. E. Montaser
Proc. ASME. GT1982, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T06A018, April 18–22, 1982
Publisher: American Society of Mechanical Engineers
Paper No: 82-GT-61
https://doi.org/10.1115/82-GT-61
View Paper titled, Atomization Quality of Twin Fluid Atomizers for Gas Turbines
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Topics: Fluids, Gas turbines, Fuels, Pressure, Flow (Dynamics), Drops, Nozzles, Geometry, Heat, Needles
Proceedings Papers

Laboratory Simulation of Drill Bit Dynamics Using a Model-Based Servo-Hydraulic Controller

David W. Raymond, M. A. Elsayed, Yarom Polsky, Scott S. Kuszmaul
Proc. ASME. OMAE2007, Volume 2: Structures, Safety and Reliability; Petroleum Technology Symposium, 905-914, June 10–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2007-29706
https://doi.org/10.1115/OMAE2007-29706
View Paper titled, Laboratory Simulation of Drill Bit Dynamics Using a Model-Based Servo-Hydraulic Controller
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Topics: Bits (Tools), Control equipment, Dynamics (Mechanics), Servomechanisms, Simulation, Drilling, Drill strings, Rocks, Vibration, Ocean engineering
Proceedings Papers

Analysis of Coupling Between Axial and Torsional Vibration in a Compliant Model of a Drillstring Equipped With a PDC Bit

M. A. Elsayed, David W. Raymond
Proc. ASME. ETCE2002, Engineering Technology Conference on Energy, Parts A and B, 897-904, February 4–5, 2002
Publisher: American Society of Mechanical Engineers
Paper No: ETCE2002/STRUC-29002
https://doi.org/10.1115/ETCE2002/STRUC-29002
View Paper titled, Analysis of Coupling Between Axial and Torsional Vibration in a Compliant Model of a Drillstring Equipped With a PDC Bit
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Topics: Drill strings, Polycrystalline diamond compact bits, Vibration, Drilling, Rocks, Chatter, Diamonds, Stick-slip
Journal Articles

Laboratory Simulation of Drill Bit Dynamics Using a Model-Based Servohydraulic Controller

David W. Raymond, M. A. Elsayed, Yarom Polsky, Scott S. Kuszmaul
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. December 2008, 130(4): 043103.
https://doi.org/10.1115/1.3000142
Published Online: November 24, 2008
View Article titled, Laboratory Simulation of Drill Bit Dynamics Using a Model-Based Servohydraulic Controller
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Topics: Bits (Tools), Control equipment, Drill strings, Drilling, Dynamics (Mechanics), Simulation, Vibration, Displacement, Actuators, Rocks
Proceedings Papers

Modeling of Drillstrings

M. A. Elsayed, Chin Chin Phung
Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 1, Parts A and B, 15-24, June 12–17, 2005
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2005-67008
https://doi.org/10.1115/OMAE2005-67008
View Paper titled, Modeling of Drillstrings
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Topics: Drill strings, Modeling, Displacement, Dynamics (Mechanics), Frequency response, Springs, Stability
Proceedings Papers

Analysis of Shock Absorber Characteristics for Drillstrings

M. A. Elsayed, Cherif Aissi
Proc. ASME. ESDA2006, Volume 3: Dynamic Systems and Controls, Symposium on Design and Analysis of Advanced Structures, and Tribology, 93-101, July 4–7, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2006-95141
https://doi.org/10.1115/ESDA2006-95141
View Paper titled, Analysis of Shock Absorber Characteristics for Drillstrings
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Topics: Drill strings, Shock absorbers, Vibration, Damping, Drilling, Springs, Construction, Damage, Design, Drills (Tools)
Proceedings Papers

Assured Stability of Drillstrings Equipped With Polycrystalline Diamond Compact (PDC) Bits

M. A. Elsayed
Proc. ASME. IDETC-CIE2003, Volume 5: 19th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 2611-2618, September 2–6, 2003
Publisher: American Society of Mechanical Engineers
Paper No: DETC2003/VIB-48620
https://doi.org/10.1115/DETC2003/VIB-48620
View Paper titled, Assured Stability of Drillstrings Equipped With Polycrystalline Diamond Compact (PDC) Bits
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Topics: Diamonds, Drill strings, Stability, Geometry, Rocks, Drilling, Polycrystalline diamond compact bits, Chatter, Drills (Tools), Failure
Journal Articles

A Novel Approach to Dynamic Representation of Drill Strings in Test Rigs

M. A. Elsayed
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. December 2007, 129(4): 281–288.
https://doi.org/10.1115/1.2790979
Published Online: May 7, 2007
View Article titled, A Novel Approach to Dynamic Representation of Drill Strings in Test Rigs
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Topics: Damping, Drill strings, Stability, Vibration, Displacement
Journal Articles

Drillstring Stability Based on Variable Material Specific Force and Using a Sharp Three-Insert Polycrystalline Diamond Compact (PDC) Coring Bit

M. A. Elsayed, Mem. ASME, L. F. Washington, Mem. ASME
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Papers
J. Energy Resour. Technol. June 2001, 123(2): 138–143.
https://doi.org/10.1115/1.1367857
Published Online: November 6, 2000
View Article titled, Drillstring Stability Based on Variable Material Specific Force and Using a Sharp Three-Insert Polycrystalline Diamond Compact (PDC) Coring Bit
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Topics: Stability, Drill strings
Journal Articles

Effect of Downhole Assembly and Polycrystalline Diamond Compact (PDC) Bit Geometry on Stability of Drillstrings

M. A. Elsayed, D. W. Dareing, C. A. Dupuy
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Papers
J. Energy Resour. Technol. September 1997, 119(3): 159–163.
https://doi.org/10.1115/1.2794984
Published Online: September 1, 1997
View Article titled, Effect of Downhole Assembly and Polycrystalline Diamond Compact (PDC) Bit Geometry on Stability of Drillstrings
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Topics: Diamonds, Drill strings, Geometry, Manufacturing, Stability, Design, Drills (Tools), Blades, Pipes, Polycrystalline diamond compact bits
Journal Articles

Effect of Torsion on Stability, Dynamic Forces, and Vibration Characteristics in Drillstrings

M. A. Elsayed, D. W. Dareing, M. A. Vonderheide
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Papers
J. Energy Resour. Technol. March 1997, 119(1): 11–19.
https://doi.org/10.1115/1.2794215
Published Online: March 1, 1997
View Article titled, Effect of Torsion on Stability, Dynamic Forces, and Vibration Characteristics in Drillstrings
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Topics: Drill strings, Stability, Torsion, Vibration, Drilling, Simulation
Journal Articles

Effect of Process Damping on Longitudinal Vibrations in Drillstrings

M. A. Elsayed, R. L. Wells, D. W. Dareing, K. Nagirimadugu
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. June 1994, 116(2): 129–135.
https://doi.org/10.1115/1.2906017
Published Online: June 1, 1994
View Article titled, Effect of Process Damping on Longitudinal Vibrations in Drillstrings
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Topics: Damping, Drill strings, Vibration, Stability, Shock absorbers, Cutting, Drag (Fluid dynamics), Drilling