MSDS PAGE: CAS N/A MSDS mudmaster_ca---fed_pac_r

Product Bulletin

F ED PAC �? R F ED PAC R polyanionic cellulose (PAC) is a fluid-loss and viscosity-control
additive. FED PAC R product is a regular, technical-grade-quality PAC,
useful in controlling filtration and increasing rheology in all types of water,
but particularly effective in saltwater brines. FED PAC R additive will aid in
dispersion control by attaching and encapsulating drill solids. F PAC R
ED
additive may be used at all density ranges, and functions effectively in
dispersed and non-dispersed systems.

Physical appearance ...................................... W hite powder
PROPERTIES
Specific gravity ............................................. 1.5 �? 1.6
pH ................................................................. 6.5 �? 8.0

lb/100 ft2 (14.3-Pa) y ield point with a
FED PAC R additive controls flu id loss in
APPLICATIONS concent ation of 2.5 lb/bbl (7.1 kg/m3) in
freshwater, seawater, KCl and salt water. r
It aids in the formation of a tough, thin fresh water withoutany clay.
filtercake to minimize the potential for R ecommended concent rations range from
1 to 4 l b/bbl (2.9 to 11.4 kg/m3) for building
differential sticking. R ecommended
treatm levels for F ED PAC R productare
ent viscosity. W ater hardness and salt level will
from 0.5 to 3 l b/bbl (1.4 to 8.6 kg/m3) affect the amountof F ED PAC R ad ditive
dependi g on t water type and t e salt
n he h required.
level for fl uid-loss control. FED PAC R ad ditive will create an envelope
FED PAC R additive is useful in around exposed shales and cuttings to
viscosifying all types of water to create encapsul te them, reducing dispersion and
a
sufficient yield point to help provide solids permitting an improvement in wellbore
carrying capacity for i mproved hol e integrity. Th e encapsulation protects the
cleaning. Typically, F ED PAC R ad ditive shale from exposure t water.
o
will provide a 15-cP viscosity and 30-

F E D P AC R Co mparative T es t R es ults

250

200
AP I F l u i d los s , m L a nd F a n n V G M eter Data

Fluid Loss, Salt/KCL Water
150
Fluid loss, Fresh Water
YP, Sat. Salt water
PV, Sat. Salt water
YP,Fresh Water
100
PV, Fresh Water

50

0
1 2 3 4 5 6 7 8
1=F E D PA C R 2 =P rod. 1 3=P rod. 2 4 =Pr od. 3
5=F E D PA C R 6 =Pr od. 1 7=P rod. 2 8 =P rod. 3
ADVANTAGES �? Effective in controlling fluid loss �? Depending on water quality, provides
�? Resists bacterial attack, requires no viscosity
�? Functions at all pH ranges in both
preservatives or bactericides
�? Environmentally acceptable dispersed and non-dispersed fluids

�? Contains salt as a byproduct of �? Temperature stability limitation of
LIMITATIONS
processing 250°F (120°C). A thermal
�? High hardness (1000 mg/L) and stabilizer such as PTS-200�? will
be required when approaching this
high pH will require precipitation to
operating temperature.
improve performance

Bioassay information is available upon Handle as an industrial chemical,
TOXICITY
request. wearing protective equipment and
AND HANDLING observing the precautions as described
on the Material Safety Data Sheet
(MSDS).

FED PAC R additive is packaged in 50-lb Store in a dry location away from
PACKAGING &
(22.7-kg), multiwall, paper sacks. sources of heat or ignition and minimize
STORAGE
dust.

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