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Dongmei Chen
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Journal Articles

Fast and Efficient Mitigation of Coupled Axial-Torsional Drillstring Vibrations through State-Feedback Linear-Quadratic-Integral (LQI) Control

Yifan Zhang, Pradeepkumar Ashok, Juan Aguirre, Dongmei Chen, Eric van Oort
Journal: SPE Journal
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 29 (12): 6725–6742.
Paper Number: SPE-223618-PA
https://doi.org/10.2118/223618-PA
Published: 11 December 2024
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View article titled, Fast and Efficient Mitigation of Coupled Axial-Torsional Drillstring Vibrations through State-Feedback Linear-Quadratic-Integral (LQI) Control
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Proceedings Papers

Drill Bit Forensics Using Videos Captured on Mobile Phones

Jian Chu, Pradeepkumar Ashok, Dongmei Chen, Eric van Oort
Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 5–7, 2024
Paper Number: SPE-217743-MS
https://doi.org/10.2118/217743-MS
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View Paper titled, Drill Bit Forensics Using Videos Captured on Mobile Phones
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Journal Articles

Drilling Heat Maps for Active Temperature Management in Geothermal Wells

Mohamed Shafik Khaled, Dongmei Chen, Pradeepkumar Ashok, Eric van Oort
Journal: SPE Journal
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 28 (04): 1577–1593.
Paper Number: SPE-210306-PA
https://doi.org/10.2118/210306-PA
Published: 09 August 2023
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Journal Articles

Strategies for Prevention of Downhole Tool Failure Caused by High Bottomhole Temperature in Geothermal and High-Pressure/High-Temperature Oil and Gas Wells

Mohamed Shafik Khaled, Ningyu Wang, Pradeepkumar Ashok, Dongmei Chen, Eric van Oort
Journal: SPE Drilling & Completion
Publisher: Society of Petroleum Engineers (SPE)
SPE Drill & Compl 38 (02): 243–260.
Paper Number: SPE-212550-PA
https://doi.org/10.2118/212550-PA
Published: 14 June 2023
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View article titled, Strategies for Prevention of Downhole Tool Failure Caused by High Bottomhole Temperature in Geothermal and High-Pressure/High-Temperature Oil and Gas Wells
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Proceedings Papers

A Control-Oriented Lumped Parameter Drillstring Dynamic Model for Real-Time Vibration Mitigation and Drilling Optimization

Yifan Zhang, Pradeepkumar Ashok, Dongmei Chen, Eric van Oort
Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212453-MS
https://doi.org/10.2118/212453-MS
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View Paper titled, A Control-Oriented Lumped Parameter Drillstring Dynamic Model for Real-Time Vibration Mitigation and Drilling Optimization
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Proceedings Papers

Automatic Drill Bit Dull Grading Report Generation to Address the Revised IADC Dull Grading Schema

Jian Chu, Pradeepkumar Ashok, Dongmei Chen, Eric van Oort
Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212458-MS
https://doi.org/10.2118/212458-MS
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View Paper titled, Automatic Drill Bit Dull Grading Report Generation to Address the Revised IADC Dull Grading Schema
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Proceedings Papers

Strategies for Prevention of Downhole Tool Failure Caused by High Bottomhole Temperature in Geothermal and HPHT Oil and Gas Wells

Mohamed Shafik Khaled, Ningyu Wang, Pradeepkumar Ashok, Dongmei Chen, Eric van Oort
Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212550-MS
https://doi.org/10.2118/212550-MS
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View Paper titled, Strategies for Prevention of Downhole Tool Failure Caused by High Bottomhole Temperature in Geothermal and HPHT Oil and Gas Wells
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Journal Articles

Drill Bit Failure Forensics Using 2D Bit Images Captured at the Rig Site

Jian Chu, Pradeepkumar Ashok, Ysabel Witt-Doerring, Zeyu Yan, Eric van Oort, Dongmei Chen
Journal: SPE Journal
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 27 (06): 3351–3362.
Paper Number: SPE-204124-PA
https://doi.org/10.2118/204124-PA
Published: 20 December 2022
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View article titled, Drill Bit Failure Forensics Using 2D Bit Images Captured at the Rig Site
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Proceedings Papers

Drilling Heat Maps for Active Temperature Management in Geothermal Wells

Mohamed Shafik Khaled, Dongmei Chen, Pradeepkumar Ashok, Eric van Oort
Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210306-MS
https://doi.org/10.2118/210306-MS
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View Paper titled, Drilling Heat Maps for Active Temperature Management in Geothermal Wells
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Proceedings Papers

Drilling Hard Abrasive Rock Formations with Differential Hydraulic Hammers: Dynamic Modeling of Drillstring Vibrations for ROP Optimization

Yifan Zhang, Zeyu Yan, Pradeepkumar Ashok, Dongmei Chen, Eric van Oort
Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208670-MS
https://doi.org/10.2118/208670-MS
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View Paper titled, Drilling Hard Abrasive Rock Formations with Differential Hydraulic Hammers: Dynamic Modeling of Drillstring Vibrations for ROP Optimization
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Proceedings Papers

Model Predictive Control for Automated Drilling Fluid Maintenance

Ivan Feng, Sercan Gul, Dongmei Chen, Eric van Oort
Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208769-MS
https://doi.org/10.2118/208769-MS
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View Paper titled, Model Predictive Control for Automated Drilling Fluid Maintenance
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Proceedings Papers

Real-Time Multi-Event Anomaly Detection using Elliptic Envelope and A Deep Neural Network for Enhanced MPD Robustness

Qifan Gu, Amirhossein Fallah, Pradeepkumar Ashok, Dongmei Chen, Eric Van Oort
Paper presented at the IADC/SPE Managed Pressure Drilling & Underbalanced Operations Conference & Exhibition, September 14–16, 2021
Paper Number: SPE-206399-MS
https://doi.org/10.2118/206399-MS
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View Paper titled, Real-Time Multi-Event Anomaly Detection using Elliptic Envelope and A Deep Neural Network for Enhanced MPD Robustness
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Proceedings Papers

Constructing Deep Closed-Loop Geothermal Wells for Globally Scalable Energy Production by Leveraging Oil and Gas ERD and HPHT Well Construction Expertise

Eric van Oort, Dongmei Chen, Pradeepkumar Ashok, Amirhossein Fallah
Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204097-MS
https://doi.org/10.2118/204097-MS
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View Paper titled, Constructing Deep Closed-Loop Geothermal Wells for Globally Scalable Energy Production by Leveraging Oil and Gas ERD and HPHT Well Construction Expertise
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Proceedings Papers

Drill Bit Failure Forensics using 2D Bit Images Captured at the Rig Site

Pradeepkumar Ashok, Jian Chu, Ysabel Witt-Doerring, Zeyu Yan, Dongmei Chen, Eric van Oort
Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204124-MS
https://doi.org/10.2118/204124-MS
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View Paper titled, Drill Bit Failure Forensics using 2D Bit Images Captured at the Rig Site
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Proceedings Papers

A Novel Deepwater Kick Control Strategy for Handling Riser Gas Unloading with Data-Driven Parameter Estimation

Qifan Gu, AmirHossein Fallah, Sercan Gul, Pradeepkumar Ashok, Dongmei Chen, Eric van Oort, Dennis Moore
Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, October 29–30, 2020
Paper Number: SPE-200522-MS
https://doi.org/10.2118/200522-MS
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View Paper titled, A Novel Deepwater Kick Control Strategy for Handling Riser Gas Unloading with Data-Driven Parameter Estimation
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Proceedings Papers

Hole Cleaning Case Studies Analyzed with a Transient Cuttings Transport Model

AmirHossein Fallah, Qifan Gu, Gurtej Saini, Dongmei Chen, Pradeepkumar Ashok, Eric van Oort, Ali Karimi Vajargah
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201461-MS
https://doi.org/10.2118/201461-MS
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View Paper titled, Hole Cleaning Case Studies Analyzed with a Transient Cuttings Transport Model
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Proceedings Papers

Higher Precision Automated Managed Pressure Drilling Control Achieved Through the Addition of a Thermal Model

Qifan Gu, AmirHossein Fallah, Adrian Ambrus, Dongmei Chen, Pradeepkumar Ashok, Eric van Oort
Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19326-MS
https://doi.org/10.2523/IPTC-19326-MS
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View Paper titled, Higher Precision Automated Managed Pressure Drilling Control Achieved Through the Addition of a Thermal Model
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Proceedings Papers

A Switching Controller for Mitigating Riser Gas Unloading Hazards in Offshore Drilling

Qifan Gu, AmirHossein Fallah, Adrian Ambrus, Zheren Ma, Dongmei Chen, Pradeepkumar Ashok, Eric van Oort
Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194163-MS
https://doi.org/10.2118/194163-MS
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View Paper titled, A Switching Controller for Mitigating Riser Gas Unloading Hazards in Offshore Drilling
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Proceedings Papers

An Integrated Thermal and Multi-Phase Flow Model for Estimating Transient Temperature Dynamics During Drilling Operations

AmirHossein Fallah, Qifan Gu, Zheren Ma, Ali Karimi Vajargah, Dongmei Chen, Pradeepkumar Ashok, Eric van Oort, Roland May
Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194083-MS
https://doi.org/10.2118/194083-MS
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View Paper titled, An Integrated Thermal and Multi-Phase Flow Model for Estimating Transient Temperature Dynamics During Drilling Operations
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Proceedings Papers

Slide Drilling Guidance System for Directional Drilling Path Optimization

Can Pehlivantürk, John D'Angelo, Dingzhou Cao, Dongmei Chen, Pradeepkumar Ashok, Eric Van Oort
Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194096-MS
https://doi.org/10.2118/194096-MS
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View Paper titled, Slide Drilling Guidance System for Directional Drilling Path Optimization
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