TUBULAR, EQUIPMENT AND METHOD OF FORMING THE SAME
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United States of America Patent
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Nov 23, 2017
app pub date -
May 19, 2017
filing date -
May 23, 2016
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Abstract
A tubular including a plurality of first-type layers; and a plurality of second-type layers each disposed between a pair of adjacent first-type layers, wherein the plurality of first-type layers includes at least two first-type layers, wherein the plurality of second-type layers includes at least two second-type layers, and wherein a Melt Flow Index, MFI1, of each of the plurality of first-type layers is different than a Melt Flow Index, MFI2, of each of the plurality of second-type layers, as measured at a same temperature. In an embodiment, at least one of the first-type layers and the second-type layers is adapted to provide a barrier against escape of gases, liquids, or a combination thereof from the tubular.
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