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Questions and Answers
What is the purpose of mud conditioning before a cementing job?
What is the purpose of mud conditioning before a cementing job?
- To increase displacement efficiency by preparing the drilling fluid for removal (correct)
- To reduce the need for pipe movement during cementing
- To decrease displacement efficiency by preparing the drilling fluid for removal
- To prevent the need for high pump rates during cementing operations
Why is it recommended to circulate at least 2 1/2 hole volumes before cementing job?
Why is it recommended to circulate at least 2 1/2 hole volumes before cementing job?
- To reduce the need for mud conditioning
- To decrease the displacement efficiency of the drilling fluid
- To clean the hole of formation cutting and gas (correct)
- To increase the static time and improve mud gel formation
Why is pipe movement important during cementing job?
Why is pipe movement important during cementing job?
- To increase the need for high pump rates during cementing operations
- To break gelled mud and offset negative effects from poorly centralized pipe (correct)
- To prevent the need for mud conditioning
- To decrease the displacement efficiency of the cement slurry
How can pipe movement be used for cementing highly deviated or horizontal liners?
How can pipe movement be used for cementing highly deviated or horizontal liners?
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What is the recommended period between mud conditioning and cementing job to avoid high mud gel?
What is the recommended period between mud conditioning and cementing job to avoid high mud gel?
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