Patent ID: 11940083
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Measurement (Instruments)
Classification: CPC F  G | IPC F  G

Claim 3:
4. The method of claim 2, wherein circulating the second fluid from the bypass conduit through the outlet of the bypass conduit that is positioned in the layer of insulation comprises circulating the second fluid from the bypass conduit through the outlet of the bypass conduit that is positioned in the layer of insulation at a time instant of one of sunrise or sunset, and
detecting the thermal gradient between the first fluid and at least one of the tubular conduit or the layer of insulation at the particular location of the pipeline comprises detecting the thermal gradient between the first fluid and at least one of the tubular conduit or the layer of insulation at the particular location of the pipeline subsequent to the circulating at the time instant.