Drilling Engineering

Stripping/snubbing calculations – Height gain and casing pressure from stripping into influx

2.202

Stripping/snubbing calculations – Maximum Allowable surface pressure governed by casing burst pressure

2.203

Stripping/snubbing calculations-Maximum allowable surface pressure governed by formation

2.204

Stripping/snubbing calculations – Minimum surface pressure before stripping

2.205

Stripping/snubbing calculations – Constant BHP with a gas bubble rising

2.206

Stroke per minute required for a given annular velocity

2.207

Stuck pipe calculations – Method-1

2.208

Stuck pipe calculations – Method-2

2.209

Subsea considerations – Adjusting choke line pressure loss for higher mud weight

2.210

Subsea considerations – Casing burst pressure-subsea stack

2.211

Subsea considerations – Choke line pressure loss

2.212

Subsea considerations – Maximum allowable mud weight – Subsea stack from leakoff test

2.213

Subsea considerations – Casing pressure decrease when bringing well on choke

2.214

Subsea considerations – Velocity through choke line

2.215

Surface test pressure required to frac the formation

2.216

Total amount of solids generated during drilling

2.217

Total heat energy consumed by the engine

2.218

Total number of sacks of tail cement required

2.219

Total water requirement per sack of cement

2.220

Triplex pump factor

2.221

Upward force acting at the bottom of the casing shoe

2.222

Vertical curvature for deviated wells

2.223

Viscous shear stress at the outer mudcake boundary

2.224

Volume of cuttings generated per foot of hole drilled

2.225

Volume of dilution water or mud required to maintain circulating volume

2.226

Volume of fluid displaced for duplex pumps

2.227

Volume of fluid displaced for single-acting pump

2.228

Volume of fluid displaced for triplex pump

2.229

Volume of liquid (oil plus water) required to prepare a desired volume of mud

2.230

Volume of slurry per sack of cement

2.231

Volumes and strokes-Annular volume

2.232

Volumes and strokes – Drill string volume

2.233

Volumes and strokes – Total strokes

2.234

Weight of additive per sack of cement

2.235

Weighted cementing calculations

2.236