Real-Time Fiber-Optic Casing Imager
- Frederick H.K. Rambow (Shell International Exploration and Production) | Dennis E. Dria (Myden Energy Consulting) | Brooks A. Childers (Baker Hughes) | Matthias Appel (Shell International Exploration and Production) | Justin J. Freeman (Shell International Exploration and Production) | Michelle Shuck (Shell International Exploration and Production) | Stephen H. Poland (Prime Photonics) | Tyrone Dominique (Baker Hughes)
- Document ID
- Society of Petroleum Engineers
- SPE Journal
- Publication Date
- December 2010
- Document Type
- Journal Paper
- 1,089 - 1,097
- 2010. Society of Petroleum Engineers
- 3.3 Well & Reservoir Surveillance and Monitoring, 4.3.4 Scale
- real-time monitoring, fiber-optic monitoring, strain monitoring, compaction, reservoir monitoring
- 5 in the last 30 days
- 621 since 2007
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|SPE Member Price:||USD 10.00|
|SPE Non-Member Price:||USD 30.00|
During the last several years, significant progress has been made in the use of fiber-optic technology for well and reservoir surveillance. While most effort in this field appears to be concentrated on the development of fiber-optic-based meters for temperature, pressure, and flow, comparably few publications have been made to date about the use of fiber-optic technology for monitoring deformations of well tubulars and casings.
In this article, we report on recent advances in our development of a real-time fiber-optic-based casing imager. This device is designed for continuous, high-resolution monitoring of the shape of casings or well tubulars and, therefore, enables the determination of strain imposed on the well. Small-scale and full-casing-sized laboratory tests have demonstrated that the latest generation of this system is sufficiently sensitive to detect casing deformations of less than 10°/100 ft and covers compressive and tensile axial-strain ranges from less than 0.1 to 10%. We will discuss the background technology, measurement sensitivity and strain-response characterization, as well as the scaleup work that has been performed to date. Our article also includes an overview of field-test results and illustrates how real-time deformation monitoring could form a significant component of reservoir-surveillance strategies.
|File Size||873 KB||Number of Pages||9|
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