liner cementing

August 6, 2017 By Lenin Diaz 3 Comments

Cement Slurry Contamination: Prevention

This post provides additional information for those who need more detail regarding cement slurry contamination. This is a follow-up post to previous posts where we covered fluids intermixing (as in liner cementing and rheology in primary cementing). What are the consequences of contamination? Poor Cement Log Evaluation: Cement log evaluations can show poor cement in Liner […]

August 7, 2016 By Lenin Diaz Torres 9 Comments

Liner Cementing Challenges and Solutions

1. Considerations for Pre-flush/Spacer In liner cementing operations, the bottom wiper plug, which is responsible for mechanically separating the cement slurry from the spacer ahead, is sometimes not available. This availability issue is due to the characteristics of many common liner tool systems in use. This limitation results in increased front-end contamination of the cement slurry […]

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