Autonomous fiber optic system for direct detection of co2 leakage in carbon storage wells
AssigneeLawrence Livermore National Security, LLC
InventorsTiziana C. Bond, Allan Shih-Ping Chang
Life of this patent
Estimating the term…
Abstract
Direct detection of carbon dioxide leakage in a carbon storage well is obtained using an optical fiber adapted to be positioned in the carbon storage well, a detection unit operatively connected to the optical fiber, and a leak sensor section incorporated in the optical fiber.
Claims31
An apparatus for detection of carbon dioxide leakage in a carbon storage well, comprising:
- an optical fiber adapted to be positioned in the carbon storage well,
- a detection unit operatively connected to the optical fiber, and
- a leak sensor section incorporated in the optical fiber.
A method of detecting carbon dioxide leakage in a carbon storage well, comprising the steps of:
- providing an optical fiber in the carbon storage well,
- providing a sensing section in said optical fiber,
- providing a leak sensor in said sensing section of said optical fiber, and
- providing a detection unit operatively connected to said optical fiber.
A method of detecting carbon dioxide leakage in a carbon storage well wherein the carbon storage well has a top, comprising the steps of:
- providing an optical fiber in the carbon storage well,
- providing a leak sensing section in said optical fiber wherein said leak sensing section includes Bragg gratings, and
- providing a detection unit at the top of the carbon storage well operatively connected to said optical fiber wherein said detection unit has a Bragg wavelength aligned with the absorption line of carbon dioxide.
Dependencies are inferred from the claim text.