Autorentext

Dr. Subhash Ayirala is a petroleum engineering consultant, water management specialist, and currently is a lead at Saudi Aramco's EXPEC Advanced Research Center, Dhahran, Saudi Arabia, as a focus area champion. His areas of expertise include waterflooding, improved/enhanced oil recovery, produced water management, CO2 mineralization, mineral recovery, and circular economy. He previously worked for Shell E&P and has about 20 years of experience in upstream oil & gas industry.

Ayirala has authored or coauthored 120 technical papers, 85 journal publications, and more than 90 granted/pending patents.

He is a member of SPE Reservoir Advisory Committee and SPE IOR-EOR Terminology Review Committee. He served as executive editor of SPE Reservoir Evaluation & Engineering (20202023), executive editor of Elsevier's Journal of Petroleum Science and Engineering (20172022), and an SPE Distinguished Lecturer (20212022). He received the SPE Outstanding Technical Editor Award 11-times (20082024), 2017 SPE A Peer Apart Award, 2019 SPE Middle East and North Africa Regional Service Award, 2020 SPE Distinguished Member Award, 2022 Saudi Aramco Excellence Award, 2023 SPE Middle East and North Africa Regional Reservoir Description and Dynamics Award, and 2024 SPE Distinguished Service Award.

He holds master's and PhD degrees in petroleum engineering from Louisiana State University. He also holds bachelor's and master's degrees in chemical engineering from Sri Venkateswara University, Tirupati, and IIT, Kharagpur, India, respectively.

Inhalt

1. Prediction of water breakthrough times and production rates
2. Proxy models for water front tracking in fractured reservoirs
3. Tracers to locate flow paths in water flooding
4. Data driven hybrid models to control water production
5. Emerging mechanical-based technologies to control water production
6. Preformed particle gels for water shut-off
7. Polymer flooding to improve the sweep efficiency and manage water in heterogeneous reservoirs
8. A review of successful gel treatments for water shut-off and conformance control applications
9. Overview of surface water management in the oil & gas industry
10. An overview of deoiling technologies for produced water treatment
11. Produced water management in deepwater fields
12. Zero liquid discharge technologies for produced water desalination
13. Zero liquid discharge produced water management pilot for crude oil desalting
14. Treated produced water recycling for mobility control and sweep efficiency improvements
15. Produced water- a valuable feedstock for the recovery of salts
16. Sustainable extraction of lithium from produced water
17. Synthesis and characterization of novel adsorbent chemistries for lithium extraction from produced water
18. Mining of minerals from produced water using CO2
19. Produced water based CO2 mineralization for carbon abatement
20. Geothermal energy potential of produced water from oil & gas fields - a case study