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What type of well control methods are used during well drilling operations - cis.kimhill Flip PDF | AnyFlip Methods most commonly used in WellControl operations are the "Drillers Method" and the "Weight and Wait". Also used is the Volumetric method in conjunction with "Lubricate and Bleed". The two first aim to keep a constant bottom hole pressure, whereas the Volumetric will keep the BHP at some "jumps"; Up when building pressure, Down when bleeding off and the same principle when starting L&B when the influx is at the surface. The Drillers method is done in 1.5 circulation (Bottoms up + full circ.), and the W&W is done in one full circulation. The Volumetric is done when there is no possibility to circulate, or when the bit is above the kick zone. For further reference, the app "KickDrill" is an excellent source of information.
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