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Trapped Annular Pressure

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Safety Issues<br />

• Detailed risk analysis/mitigation process<br />

• Pure MMA has a low flash point - 55 º F, similar to<br />

methanol - only handled in mud plant<br />

• The emulsified spacer has an open cup flash point of<br />

175 º F<br />

• Fumes can accumulate in tank head space and<br />

become a risk (grounding)<br />

• Plan to use the pumping unit to flush water back<br />

through lines and pump skid to original tank

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