Affiliation:
1. ADCO, UAE
2. TGT Oil & Gas Services
3. Baker Hughes
Abstract
Abstract
Monitoring and handling Sustainable Annulus Pressure (SAP) is a daily challenge in today's oil and gas industry. Well integrity failure can affect production and the environment and, consequently, lead to high economic losses from fixing the resulting damage. Once SAP is confirmed, its source should be located and shut off as soon as possible. The biggest problem is leaks behind multiple barriers, which are not clearly seen in conventional temperature and noise logs.[1] However, recent developments in temperature and noise logging tools and interpretive techniques have been rewarded by achieving high resolution and sensitivity enabling the detection of previously undetectable leaks.[2] This paper describes two cases of integrity failure in the B and C annuli detected by the new integrated high-precision temperature and spectral noise logging technique, or HPT-SNL.
Cited by
4 articles.
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1. Application of downhole tubulars leak detection method based on distributed fiber optics;SEG Workshop on Fiber Optics Sensing for Energy Applications, Xi'an, China, July 21-23, 2024;2024-08-27
2. Research on Downhole Tubing Leakage Identification Method Based on Extreme Learning Machine;2023 5th International Communication Engineering and Cloud Computing Conference (CECCC);2023-10-27
3. An Integrated Approach for Predicting the Downhole Leaks Utilizing Surface Measurements;Arabian Journal for Science and Engineering;2022-12-19
4. Support-Vector-Machine Phase Classification of Downhole Leak Flows Based on Acoustic Signals;Petrophysics – The SPWLA Journal of Formation Evaluation and Reservoir Description;2018