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Free point: The highest point at which the drill pipe is "free" or not stuck. Free-point tools are designed to measure torque and stretch in tubing, casings, and drill pipes and to provide accurate free pipe indication. A common method which involves deploying a wireline device to estimate the depth at which the pipe string is stuck. The pipe ...
The term free point is used to describe the delineating point between the stuck pipe and the free pipe in a pipe string. Every joint of pipe above the free point is free, meaning it can rotate freely and be moved in and out of the hole, provided it was not attached to the remaining joints of stuck pipe below the free point.
A diagram showing forces at work during differential sticking. The small black arrows represent pressure exerted on the drill pipe from the wellbore, the red arrows represent pressure exerted on the pipe from the formation (smaller than in the wellbore) and the large black arrow represents the net force on the pipe, which is pushing it into the wall.
The Simpsons referenced the incident with an episode about Bart Simpson falling and becoming stuck inside a well. [19] Gary Larson's The Far Side drawing dated 15 May 1992 shows "The life and times of Baby Jessica" with a sequence of unfortunate events starting with being stuck in a vertical pipe shaft; however she is fully upright.
I'm A Celebrity medics were forced to step in to help Coleen Rooney when a critter got stuck in her ear during a bug-fuelled Bushtucker Trial. The 38-year-old took part in the Arcade of Agony ...
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Robert Kapas was sitting in a local mall in Atlanta wearing his homemade fish hat, when a man named Leo stopped to ask about it. After hearing the story behind the hat, Leo asked Kapas if he could ...