Total Solids Generated While Drilling Formula
Total Solids Generated While Drilling calculates total solids generated for mud and cementing workflows in drilling engineering.
How engineers use this formula
Use this formula when the listed inputs (C_h, L, phi, SG_c) are known and the assumptions behind the cited mud and cementing relationship match the engineering case being checked.
Assumptions
- Input values are representative for the well, reservoir, fluid, or equipment case being evaluated.
- The declared units match the field-unit constants used in the formula.
- The cited formula applies to the selected petroleum engineering workflow.
Limitations
- The calculation does not replace a full engineering model or operating procedure.
- Accuracy depends on the source correlation, assumptions, input quality, and unit consistency.
Common mistakes
- Mixing unit systems without converting the inputs.
- Using default example values as field recommendations.
- Applying the formula outside the source assumptions.
Default example
Using the default inputs, W_cg equals 2,104.41 lb.
0.03644
100
0.25
2.2
Inputs
C_h
bbl/ftHole Capacity
L
ftFootage Drilled
phi
fractionFormation Porosity Fraction
SG_c
dimensionlessCuttings Specific Gravity
Outputs
W_cg
Total Solids Generated
C_h
Hole Capacity
L
Footage Drilled
phi
Formation Porosity Fraction
SG_c
Cuttings Specific Gravity
Source and review
reviewedDrillingFormulas.com. Amount of cuttings produced per foot of hole and total solid generated; Lapeyrouse, N.J. 2002. Formulas and Calculations for Drilling, Production and Workover, 2nd Edition.
Source