| 摘要 |
The present invention, in certain embodiments, discloses an apparatus for determining characteristics of coiled tubing that is run in and out of a bore, e.g. a wellbore, for calculating fatigue life of the coiled tubing, the apparatus having a reel structure for said coiled tubing including a reel on which said coiled tubing is wound and a frame supporting the reel for rotation, an injector structure for running the coiled tubing from the reel structure into said bore and for withdrawing said coiled tubing from the bore, sensor apparatus for continuously monitoring sensing and recording rotation of said coiled tubing and for measuring amount of said rotation, said sensor apparatus including apparatus for receiving and transmitting data relating to said characteristics of the coiled tubing, and a computer apparatus for receiving data from said sensor apparatus and processing said data to determine fatigue life of said coiled tubing.
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