WIPER DART HAVING A BI-DIAMETER WIPER CUP WITH PROTRUDING RING
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Oct 24, 2023
filing date -
Oct 24, 2023
priority date (Note) -
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Abstract
A wiper dart can be used in an oil and gas operation. The wiper dart can have at least two different outer diameters. A first outer diameter can be less than a second outer diameter and used to wipe the insides of tool joints of a tubing string. The second outer diameter can be used to wipe the insides of pipe sections of the tubing string that have a larger inner diameter than the tool joints. The single, bi-diameter wiper cup can be used in lieu of two or more current, conical-shaped wiper cups to accomplish the same functionality. The wiper cup can include a protruding ring located circumferentially around the wiper cup at the first outer diameter. A plurality of buttons or splines can be spaced apart around the wiper cup at the second outer diameter.
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