03/15/26

Measuring Situational Awareness Using SPAM: An Important Step to Progressing Autonomous Drilling

written by: A. Ambrus; M. Yi; K. Ceglinski; D. Yoon; J. Cortez; M. Behounek; P. Ashok; W. Mayfield; T. Peroyea

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, Galveston, Texas, USA, March 2026. Paper Number: SPE-230752-MS. Despite significant progress made in drilling automation over the last decade, autonomous drilling of a hole section remains at an early stage. Autonomous drilling cannot happen without near 100% situational awareness (SA). Going by the adage “what…

03/12/26

Real-Time Evaluation of Casing Runnability Risk and Clean-Out Requirements Using an Advanced Wellbore Quality Index

written by: D. Johnson; N. Richey; J. Lightfoot; C. Collins; Y. Zhang; M. Behounek; D. Yoon; W. Zhou

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, Galveston, Texas, USA, March 2026. Paper Number: SPE-230802-MS. While many different KPIs have been developed over the years for evaluating well construction performance, the definition and utilization of a wellbore quality KPI have remained challenging due to its subjective nature, data wrangling issues, and human…

02/07/26

Stuck Pipe Prevention and Remediation Enabled by Machine Learning in a Real-Time Advisory System

written by: A. Ambrus; D. Yoon; J. Cortez; M. Behounek; M. Yi; J. Pearce; M. Elghor; W. Akkad; C. B. Harkey; B. Al-Sumait; S. Chitturi

Paper presented at the Kuwait Oil & Gas Show, Kuwait City, Kuwait, February 2026. Paper Number: SPE-230861-MS. Preventing stuck pipe incidents during well construction depends on accurately identifying their underlying causes. The conventional method for identifying the root cause of stuck pipe incidents relies on a worksheet completed manually by the rig crew, based on…

02/05/26

Detecting Unconventional Bit Balling in Real-Time Using a Bayesian Network and Mitigating Invisible Lost Time

written by: M. Elghor; M. Mahmoud; G. Hickin; J. Pearce; I. Fatehy; T. Peroyea; M. Yi; A. Ambrus; P. Ashok; M. Behounek

Paper presented at the Kuwait Oil & Gas Show, Kuwait City, Kuwait, February 2026. Paper Number: SPE-230871-MS. While conventional bit balling is readily identifiable, the deep formations of Egypt’s Western Desert present a unique and subtle variation: unconventional bit balling occurring at depths up to 15,000 ft in high-frequency interbedded lithologies. This paper details the…

06/09/25

Preventing Drill String Twist Off: Automatic Flagging of Abnormal Pressure Loss Signatures in Real-Time

written by: J. Cortez; M. Yi; D. Yoon; M. Behounek; P. Ashok; C. East; M. Elghor; G. Hickin; J. Pearce; T. Peroyea; S. White

Paper presented at the SPE Conference at Oman Petroleum and Energy Show, Muscat, Oman, May 2025.Paper Number: SPE-224876 Abnormal pressure loss during a drilling operation signals a failure in the fluid hydraulics circulating system. This could be due to a washout in the drill pipe (either in the body or connection), bottom hole assembly (BHA)…

05/01/25

Automated Correction of Drillstring Data for Improved Reliability and Trust in Use of Physics-Based Models in Drilling Advisory Systems

written by: D. Yoon; M. Yi; J. Cortez; M. Behounek; P. Ashok

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, Stavanger, Norway, March 2025. Paper Number: SPE-223786 A major challenge in utilizing physics-based models such as torque and drag (T&D), hydraulics, cutting transport, drillstring dynamics, etc., in real-time, and with high reliability and confidence has been the lack of accuracy in drillstring data available as…

05/01/25

Enhancing Offshore Drilling Safety: Identification and Integration of Leading Indicators for Loss of Offshore Well Control

written by: Chen Wei; Yuanhang Chen; Oscar Gabaldon; Omar Montes; Pradeep Ashok; Michael Yi; Jyotsna Sharma

Paper presented at the Offshore Technology Conference, Houston, Texas, USA, May 2025. Paper Number: OTC-35818 In an effort to enhance safety and efficiency in offshore drilling operations, this research addresses critical gaps in the current understanding and application of leading indicators for Loss of Well Control (LOWC) events. Existing indicators often fall short in predicting LOWC…

06/08/24

Applications of Large Language Models in Well Construction Planning and Real-Time Operation

written by: Michael Yi; Kamil Ceglinski; Pradeepkumar Ashok; Michael Behounek; Spencer White; Trey Peroyea; Taylor Thetford

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, Galveston, Texas, USA, March 2024. In today’s well construction operations, a substantial volume of data is generated and stored across multiple databases. The primary objective being to use them as a guide for future well construction optimization. However, much of this data gets lost in…

06/08/24

Prevention of Stuck Pipe Events and Robust Real-Time Identification of Root Cause Using Physics Based Models in Combination with Bayesian Network Models

written by: Michael Yi; Pradeepkumar Ashok; Michael Behounek; Spencer White; Trey Peroyea; Taylor Thetford; Gary Hickin; Julie Pearce

Paper presented at the International Petroleum Technology Conference, Dhahran, Saudi Arabia, February 2024. Paper Number: IPTC-24141-MS When stuck pipe incidents happen, they can drastically increase the cost of a well. Although much progress has been made in stuck pipe prevention it has not been eliminated. Therefore, there is an ever increasing need to be able to…

05/14/24

Preventing Downhole Tool Failure During Geothermal Well Construction Using a Hybrid Real-Time Temperature Management Advisory System

written by: Velmurugan, Naveen; Naderi, Sadjad; Ashok, Pradeepkumar; Yi, Michael

Drilling cost-efficient, safe, and deep wellbores is key to scaling geothermal energy. However, the elevated costs associated with high non-productive and invisible loss times (NPT/ILT) are taxing on the operators, acting as a severe bottleneck in utilizing geothermal energy. In deep geothermal wells, the leading contributors to NPT/ILT are the failure of downhole tools and/or…