Using DAS and DTS to Validate Completion Optimization with a Carbon Rod Conveyed DFO

When:  Feb 12, 2019 from 11:00 AM to 1:00 PM (ET)
Associated with  Pittsburgh Petroleum Section

ABSTRACT: Distributed Fiber Optics (DFO) has been at the forefront for unconventional well diagnostics. The core of this technology targets an in-depth understanding of completion optimization and flow profiling through cluster efficiency and stage spacing. The focus will be on a case study from a US unconventional well, where a 0.6” OD, 22,000-foot-long carbon fiber rod was deployed to acquire DAS and DTS for post-frac flow evaluation. The case study will explain how DFO measurement taken during a post-frac sensing operation, where the combination of distributed acoustic and distributed temperature measurements, are used to provide a clear and thorough understanding on completion analysis. Many different completion strategies are used to obtain the best production; however, with complex heterogenic rock, it is difficult to grasp a full understanding on completion design effectiveness. Validating completion designs with a strong data set is the best method for understanding how effective completion changes were. This presentation will showcase a data set that will identify how effective DFO can be in demonstrating cluster efficiency and production strength from each stage. Using the conveyed DFO data set, it was abundantly clear which completion design outperformed the others.

BIOGRAPHY: Ahmed Attia is the North American Reservoir Manager for Ziebel – US. Ahmed has 10 years of experience in the oil industry. Prior to joining Ziebel, he held several positions at Schlumberger, and has an in-depth understanding on different unconventional wellbore behaviors and completion designs. Ahmed graduated with a Bachelor’s of Science in Petroleum Engineering at Texas A&M University.

This event is sponsored by H-Frac Consulting Services.

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Alex Lubchansky