As I begin my term as reviewer for the High-Pressure/High-Temperature (HP/HT) Challenges feature in JPT, I look forward to reading the best work produced by our skilled and dedicated members and to following in the footsteps of the late Mike Payne, whose excellent work I know our readers and members appreciated. In my first feature, I elected to focus on selecting papers that offered a somewhat different theme than is often seen in the majority of papers presented at HP/HT conferences. Instead of selecting papers that were dedicated to material selection, I considered works that concentrated upon best practices and recently developed technologies that make operations in these difficult environments more efficient and far safer for crews and for the environment itself. The three papers I have chosen draw from a variety of locations (Malaysia, Vietnam, and the UAE) and illustrate methods of ensuring optimal cost savings and enhanced safety in HP/HT projects.
The first of these papers focuses on identification of pore-pressure uncertainties especially detrimental in HP/HT scenarios, requiring the appropriate contingencies in well planning, and offers an integrated approach to predict and weather these uncertainties. The second paper reviews best practices in managed-pressure-drilling systems for HP/HT wells, with respect to cost savings and increased drilling performance in the current low-oil-price scenario. The final paper discusses completion with expandable liner hangers in HP/HT environments, allowing the essential rotation and reciprocation during cementing while establishing an instantaneous seal at the liner lap after setting.
I hope that you enjoy these important papers that reflect our members’ innovation, dedication, and technical expertise.
This Month's Technical Papers
Recommended additional reading
OTC 26663 Innovative Multitechnologies Collaboration for Ultra-HP/HT Offshore Fracturing Stimulation by Arya B. Christiawan, Schlumberger, et al.
IADC/SPE 178857 A Challenging HP/HT Operation Supported by Dynamic Real-Time Simulation, Forecasting, and 3D Visualization by Josef Nabavi, eDrilling, et al.
SPE/IADC 179184 MPD Application for Ultra-HP/HT Wellbore by Craig Starkey, Chevron, et al.
Robert Ziegler, SPE, Global Director, Well-Control Technology, Weatherford International
01 April 2017
Deep High-Pressure Completions: A Case History Offshore Gulf of Mexico
A Gulf of Mexico case history is presented describing the successful delivery of two deep high-pressure high-rate-designed oil wells in an ultradeepwater environment.
What Vacuum-Insulated Tubings and Casings Bring to Thermal Wells
This paper describes both design and economic considerations that lead to the selection of vacuum-insulated tubing (VIT) or vacuum-insulated casing (VIC) for the completion of thermal wells.
Integrated Approach for Overpressure Prediction in an HP/HT Well Offshore Malaysia
Pore-pressure prediction plays an important role in well planning as exploration targets shift to deeper, overpressured reservoirs.
19 September 2017
19 September 2017
18 September 2017