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Oil drilling grade CMC HV

Oil drilling grade CMC HV

Oil drilling grade CMC HV is a high molecular weight high viscosity dispersible Carboxymethyl Cellulose fluid loss additive designed to provide viscosity and reduce API filtration rate in water based drilling fluids.

Product Details



White or yellowish free flowing powder

Nature of Polymer

Sodium Carboxymethyl Cellulose

Moisture Content

max. 10%

PH of 1% Solution



Non Toxic


Soluble in fresh water

In accordance with API 13A CMC-HVT specification:

Viscometer dial reading at 600 r/min

a. in deionized water

min. 30

b. in 40 g/ltr salt water

min. 30

c. in saturated salt water

min. 30

Filtrate volume

Max 10.00 cm3



HB CMC-HV is used in low viscosity low solids fluids to increase the viscosity and controls fluid loss.


Recommended Treatment

In fresh water: 0.5-1.5 lb/bbl (1.4-4.3 kg/m3 ) and in sea water : 2.0-3.0 lb/bbl (5.7-8.6 kg/m3 )

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