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BAKER HUGHES - Drilling Fluids Reference Manual

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PRESSURE PREDICTION AND CONTROL<br />

Baker Hughes DRILLING FLUIDS Well Control Kill Sheet<br />

BASIC DATA<br />

RECORD<br />

a. True Vertical Depth (TVD) ft k. Shut-in Drillpipe Pressure (SIDP) psi<br />

b. Measured Depth (MD) ft l. Shut-in Casing Pressure (SICP) psi<br />

c. Fluid (Mud) Weight (M.W.) ppg m. Kick Volume bbl<br />

d. Drillpipe Volume bbl CALCULATE<br />

e. Riser Volume bbl n. Initial Circulating Pressure (ICP):<br />

SCP + SIDP = ICP: _________ + _________ = ________<br />

f. Pump Output bbl/stk<br />

g. Drillpipe Strokes stks o. New Fluid (Mud) Weight:<br />

SIDP / .052 / Depth + Old M.W. = New M.W.<br />

_________ / .052 / _________ + _________ = _________ ppg<br />

h. Strokes to Displace Riser stks<br />

i. Slow Circulating Pressures (SCP):<br />

Riser or Casing<br />

Pump #1: _________ psi @ _________ SPM<br />

Pump #2: _________ psi @ _________ SPM<br />

Choke Line (SUBSEA)<br />

Pump #1: _________ psi @ _________ SPM<br />

Pump #2: _________ psi @ _________ SPM<br />

j. Choke Line Friction (CLF):<br />

SCP Choke Line SCP Riser = CLF<br />

_________ _________ = _________<br />

3000<br />

p. Final Circulating Pressure (FCP):<br />

New M.W. / Old M.W. × SCP = FCP<br />

_________ / _________ × _________ = _________ psi<br />

q. Maximum Allowable Casing Pressure:<br />

(Fracture M.W. Present M.W.) × Casing Depth × .052<br />

( _________ _________ ) × _________ × .052 = _________psi<br />

GRAPHICAL ANALYSIS OF PUMPING SCHEDULE<br />

2000<br />

1000<br />

Pump Strokes<br />

Pressure<br />

Fluid (Mud) Wt<br />

Minutes<br />

<strong>BAKER</strong> <strong>HUGHES</strong> DRILLING FLUIDS<br />

REFERENCE MANUAL<br />

REVISION 2006 12-33

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