How we Space Out | Why we use RA Marker | Correlation

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7) Conventional & Un Conventional Reservoir    • Conventional & Unconventional Reservo...  



Space out means that you stop your drill string at the proper location where all the BOP rams (annular and pipe rams) will not close against a tool joint. In other words, stopping your drill string with the tool joint at the rotary table is the correct and simple way to space out

Why is it important to space out?
You may hear about 3-S (Space Out, Shut down, and Shut In) for well control. This is the first important step to shut the well ineffectively. If you properly space out, you will have the ability to control the well in the correct way. However, if you don’t space out your drill string correctly, you may not be able to use one or more of your BOP effectively and you will be in big trouble.