Question
Q1/
Explain the pressure loss in the four-
section petroleum well drilling system
1. Surface connections.
2. Pipes including drillpipe, heavy
walled drillpipe and drill collars.
3. Annular areas around drillpipes,
drillcollars, etc.
4. Drillbit.
Note: The explanation is in text
format, with the equations and
drawings, if any, mentioned
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Thermodynamics

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Transcribed Image Text

Q1/ Explain the pressure loss in the four- section petroleum well drilling system 1. Surface connections. 2. Pipes including drillpipe, heavy walled drillpipe and drill collars. 3. Annular areas around drillpipes, drillcollars, etc. 4. Drillbit. Note: The explanation is in text format, with the equations and drawings, if any, mentioned