Lost circulation mechanics

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soman703
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Lost circulation mechanics

Post by soman703 »

Lost circulation mechanics
Hello everyone,

I have few questions about lost circulation.I would love it if anyone can throw light on it and help me solve these issues.

How much magnitude of mud lost classifies it under lost circulation?
If the mud weight is too high does the rock fail in tension?

does shear failure also occur in form of breakouts in it? what is shear failure by breakout?

does hole diameter reductions also happen due to swelling clays in it? what is the process of diameter reduction called and what it causes if it doesnt effect lost circulation in any way.

Thankyou.
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FANARCO
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Re: Lost circulation mechanics

Post by FANARCO »

This particular issue may be found in any drilling handbook, just search in drilling engineering forum
soman703
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Re: Lost circulation mechanics

Post by soman703 »

Thankyou brother!
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