PHASE-CHANGE HEAT STORAGE MICROCAPSULE MATERIAL SUITABLE FOR COOLING DRILLING FLUID AND PREPARATION METHOD THEREFOR
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Jun 27, 2023
filing date -
Jun 27, 2023
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Abstract
The present disclosure belongs to the field of drilling fluid additives, and particularly relates to a phase-change heat storage microcapsule material suitable for cooling a drilling fluid and a preparation method therefor. The phase-change heat storage microcapsule material of the present disclosure consists of a high molecular wall material wrapped outside, a phase-change heat storage material as a core material and nano-graphite doped therein, and the microcapsules have an overall size within the range from 20 μm to 80 μm.
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