All Mud Formulations | MAWAD DRILLING FLUIDS

Adjust Oil/Water Ratio And I crease Density While

Maintaining A Constant Volume of Mud

Original mud weight, ppg?
% Water from retort?
% Oil from retort?
Weight material, sg?

Oil/Synthetic density, ppg?
Desired mud weight, ppg?
Desired oil fraction, ppg?
Barrels of muc desired, ppg?

Results
Initial volume mud required(bbls)
Volume of oil to add (bbls)
100 lb sacks of weight needed
Calculated per cent (%) dilution volume

Oil Mud Analysis(API Method)

Mud weight,ppg?
% Water?
%Oil?
EDTA mils (0.1 molar)?
Silver nitrate, ml?
Alkalinity?
Weight material, sg?
Oil weight, ppg?
Low density solids, sg?
Results
Lime(CaOH), ppb
Total Ca++ content, mud
Whole mud chloride, mg/l
Total % wt Cacl2
Total % wt Nacl
%wt Cacl2(adjusted)***
%wt Nacl(adjusted)***
Soluable Cacl2, ppb
Soluable Nacl, ppb
Total soluable salts, ppb

Results
Cacl2, % Wt in water phase
Cacl2, ppt in water phase
Nacl, % Wt in water phase
Nacl, ppm in water phase
Total water phase salinity, ppm
Cacl2, mg/l in water phase
Nacl, mg/l in water phase
Total water phase salinity, mg/l
Brine specific gravity
Brine density, ppg
Vol % brine
Vol % corrected solids
A S G of solids
% Low gravity solids
Low gravity solids, ppb
% High gravity solids
High gravity solids, ppb
Oil ratio***
Water (H20) ratio***
Oil ratio (oil to brine)
Water/brine ratio (oil to brine)

Input Variables
Mud density?ppg
Water, vol %?vol%
Oil vol %?vol%
CaCl2, ppm?ppm
Wt matl, sg ?sg
Lgs, sg?sg
Oil, sg?sg

Results
Brine specific gravity
Brine density, lbs/gal
Brine conc, vol%
Corrected solids, vol%
Average specific gravity
Total LGS conc, vol%
Total LGS conc, ppb
Total HGS conc, vol%
Total HGS (wt) conc, ppb
CaCl2 conc, ppb

OIL MUD SALINITY & SOLIDS ANALYSIS WORKSHEET

PHYSICAL PROPERTIES
Enter Mud Wt ppg or S.G.ppg
Dial reading @ 600 rpm
Dial reading @ 300 rpm
PV
YP
n
K
10 sec gel strength
10 min gel strength
Retort oil%
Retort water%
Retort solids
Oil/Water ratio
SOLIDS ANALYSISCalculations per bbl of mud:
Wt.mud
Wt.water
Wt.oil
Wt.dissolved solids
Wt.undissolved solids
ASG undissolved solids
Low grav.solids densityg/cc
Vol.low grav.solidsgal
Concn.low grav.solids
Concn.low grav.solids
cc N/10 H2SO4
cc N/10 NaOH
Alkalinity
Excess Lime
cc Hardness Titr. Soln.

CHEMICAL PROPERTIES
Total Calcium Chloride
Soluble Calcium Chloride
cc 0.001g AgNO3
Total Sodium Chloride
Soluble Sodium Chloride
Total Soluble Salts
**Total Insoluble Salts
Water Phase Salinity
Water Phase Salinity
% Salt by volume
Vol.mud
Vol.water
Vol.oil
Vol.dissolved solids
Vol.undissolved solids
Oil densityg/cc
Barite densityg/cc
Vol.Barite
Concn.Barite
Concn.Barite
I9
I12
I13
I15
I16
I17

Solids Adjustment (Oil & Water Muds)

This program calculates the material requirements for decreasing % solids at a constant oil to water ratio and density for oil muds. It can also be used for water based muds.

Present mud weight, ppg ?
Per cent water from retort ?
Per cent oil from retort ?
Desired % solids ?
Specific gravity of weight material ?
Specific gravity of oil used ?
Total system volume, bbls. ?

Results
Volume (bbls.) of H20 required
Volume (bbls.) of oil required
Sacks (100 lbs) of weight material required
Barrels of active mud system to discard
Barrels of active mud system to save

Blending Calculation Program For Mixing Different Densities

Density of lower weight fluid requiredppg
Density of higher weight fluid requiredppg
Desired density of fluid, in lbs/gallonppg
Desired volume of fluid, in lbs/gallonbbls

Results
Barrels of higher density fluid needed
Barrels of lower density fluid needed
Cubic meters of higher density fluid needed
Cubic meters of lower density fluid needed

Capacity (barrels) & Lag (strokes)

Pump output? =barrels/stroke

Hydraulic sections

	Section #1	Section #2	Section #3	Section #4	Section #5	Section #6
Length ? =
Hole OD ? =
Pipe OD ? =
Pipe ID ? =

Length, m =
Disp vol =
PiPe vol =
Ann vol =

Results

Total pipe disp
Pipe cummulative vol
Ann cummulative vol
Total cummulative vol

Total depth,metres
Total depth,feet
Pipe lag, strokes
Ann lag, strokes
Total lag,strokes

Solids Analysis For Un-weighted Water Base Muds
(containing potassium chloride)

Mud Weight, ppg ?
Oil Content, % Vol ?
Chlorides, mg/l ?
CEC, Drill Solids ?
CEC, Bentonite ?
MBT, (ppb equiv.) ?

Results
Sg of KCL Brine
Brine Wt, Ppg
% Water (unncorr)
% Dissolved Salt
KCL, Ppb
Ppm KCL
% Weight KCL
% Solids as Lgs
Ppb Solids as Lgs
% Drill Solids
Ppb Drill Solids
% Bentonite
Ppb Bentonite

I D F Solids Analysis For Weighted Water Base
Muds Containing Sodium & Potassium Chloride

Chlorides, mg/l
KCL ppb or K+ ion, mg/l
% Water
% Oil
Mud Weight ,lb/gal
Weight Material, sg
Bentonite, sg
Drill Solids, sg
Drill Solids, CEC
Bentonite, CEC
Mud MBT, ppb equiv
KCL SG =

Results
% Dissolved Solids
% Corrected Solids
ASG of Solids
% Low Gravity Solids
Low Gravity Solids, lb/bbl
% High Gravity Solids
High Gravity Solids,lb/bbl
% Commercial Bentonite
Commercial Bentonite,lb/bbl
% Drill Solids
Drill Solids, lb/bbl
% WT NaCl (x 10,000=ppm)
% WT KCL (x 10,000=ppm)
Potassium (K+) ion, ppm

Solids Analysis For Weighted Water
MudsBased Muds Containing Potassium Chloride

Chlorides, mg/l
% Water
% Oil
Mud Weight ,lb/gal
Weight Material, sg
Bentonite, sg
Drill Solids, sg
Drill Solids, CEC
Bentonite, CEC
Mud MBT, ppb equiv
Results
Brine Specific Gravity
Brine Density, lbs/gallon
TEST

% Dissolved Solids
% Corrected Solids
ASG of Solids
% Low Gravity Solids
Low Gravity Solids, lb/bbl
% High Gravity Solids
High Gravity Solids,lb/bbl
% Commercial Bentonite
Commercial Bentonite,lb/bbl
% Drill Solids
Drill Solids, lb/bbl
% WT NaCl (x 10,000=ppm)
% WT KCLS (x 10,000=ppm)
Potassium (K+) ion, ppm

Method to Determine Barrels of Dilution Water Added
(when adding weight material to maintain mud weight)

Present mud weight, lbs/gal
Sacks (100 lb) of weight material added
Total volume of active system

Results
Barrels of dilution water needed to
maintain present mud weight is –>

Power Law Hydraulics Analysis

Last casing shoe depth ?
Present mud weight in use, ppg ?
Plastic viscosity ?
Yield point ?
Present flow rate, gpm ?
Jet size number 1, 32nd inch ?
Jet size number 2, 32nd inch ?
Jet size number 3, 32nd inch ?

Jet size number 4, 32nd inch ?
Jet size number 5, 32nd inch ?
Jet size number 6, 32nd inch ?
Jet size number 7, 32nd inch ?
Jet size number 8, 32nd inch ?
Standpipe Pressure, psi ?
Density of cuttings, lbs/gal ?

Hole Geometry

Enter Hydraulic sections starting from the top of the hole.

	Section #1	Section #2	Section #3	Section #4	Section #5
Length ? =
Hole OD ? =
Pipe OD ? =
Pipe ID ? =

Pipe Hydraulics

	Section #1	Section #2	Section #3	Section #4	Section #5
Critical Velocity
Actual Velocity
flow type
Psi loss

Annular Hydraulics

	Section #1	Section #2	Section #3	Section #4	Section #5
Critical Velocity
Actual Velocity
flow type
Psi loss
E C D

Annular Slip Velocity

	Section #1	Section #2	Section #3	Section #4	Section #5
Maximum Criculable Particle Size, inch

Annular Slip Velocity

Total jet area, sq./.in
Cumm. pipe press. loss
Cumm. ann press. loss
Bit pressure loss
Total Cumm. press. loss

Jet velocity
Jet impact
Jet horsepower
Pump horsepower
% efficiency

Determine Mud Pump Displacement Factor

Liner Size (ID), Inches ?
Stroke Length, Inches ?
Rod Size (OD), Inches (Duplex) ?
Estimated Pump Efficiency, % ?
Enter “T” For Triplex Pump Or
Enter “D” For Duplex Pump ?

Results

Brine Formulation With NaCl, KCl, or Cacl2

Enter 1 (NaCl), 2 (KCl), 3 (Cacl2) ?
Enter salinity as ppm of salt ?
Per Cent Purity of the dry salt ?
Desired volume in barrels ?
Results
Milligrams per liter chlorides
Brine specific gravity
Brine weight, ppg
Volume of water required, bbls
Pounds of the dry salt required

Out of range if
over the maximum
note: ppm = %wt x 10,000

Water Mud Formulation With NaCl, KCl, or Cacl2

Enter 1 (NaCl), 2 (KCl), 3 (Cacl2) ?
Enter salinity as true Ppm of salt ?
Per Cent Purity of the dry salt ?
Desired mud weight, ppg ?
Weight material, sg ?
Desired volume in barrels ?
Results
Milligrams per liter chlorides
Brine specific gravity
Brine weight, ppg
Volume of water required, bbls
Pounds of the dry salt required

Out of range if
over the maximum
note: ppm = %wt x 10,000

Mud Weight Attainable With Barite (weight matl) On Hand

100 lb sacks of weight material on hand
Present mud weight, lbs/gal
Specific gravity (sg) of weight material
Total volume of active system

Results
The mud weight attainable is