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Trapped Annular Pressure

Trapped Annular Pressure

Trapped Annular Pressure

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Compatibility with Drilling Operations<br />

• Elastomers<br />

OK<br />

OK<br />

OK<br />

Buna ® (butadiene nitrile)<br />

Viton ® (fluoroelastomer)<br />

Urethanes<br />

• Contamination with Cement – OK<br />

• Contamination with KCl, NaCl or CaCl2 – OK<br />

• Contamination with SBM – OK<br />

• Contamination with standard cement spacer - OK

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