Downhole temperature, pressure methods are accurate for drilling, completion, cement design

Accurate prediction of bottomhole circulating temperature is important during drilling and completion of oil and gas wells and critical for properly designed cement slurries.Downhole temperature is an important factor affecting cement thickening time, rheological properties, compressive strength development, and set time. Researchers have developed methods to allow the industry to determine downhole mud temperatures and hydrostatic pressures accurately.The American Petroleum Institute (API) Subcommittee 10 for well cements has developed new temperature correlations for estimation of circulating temperatures for cementing.1 2To use the current API bottomhole temperature circulation correla...

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