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Polyanionic Cellulose (PAC)
 Polyanionic Cellulose933.jpg "Polyanionic Cellulose (PAC)")
TECHNICAL DATA
|
Item |
Index |
||
|
PAC-LV |
PAC-HV |
||
|
Appearance |
Freely flowable powder |
Freely flowable powder |
|
|
PH |
6.0-8.0 |
6.0-8.0 |
|
|
Purity % |
≥95% |
≥95% |
|
|
Moisture % |
≤10% |
≤10% |
|
|
D.S |
≥0.90 |
≥0.90 |
|
|
Viscosity Brookfield 1% |
≤50 |
≥1500 |
|
|
API Fluid Lose |
Increase 0.57% |
≤25.0 ml |
≤20.0ml |
|
Increase 0.86% |
≤15.0 ml |
≤15.0ml |
|
|
Increase 1.14% |
≤10.0 ml |
≤10.0ml |
|
|
YP Value |
Increase 0.57% |
≤0.5 |
≥2.4 |
|
Increase 0.86% |
≤1.0 |
≥9.6 |
|
|
Increase 1.14% |
≤1.5 |
≥19.2 |
|
NOTE: The parameters can be adjusted as per requirements.
PRODUCT DESCRIPTION
PAC (Polyanionic Cellulose) is a kind of nonionic cellulose ether featured the properties of high purity, high DS, particularly high viscosity or low viscosity. These products are demi-natural polymer additive, thickening agent, filtrate reducer.
PAC is an indispensable product for drilling mud making. PAC is high purity product; the water solution of this white powder is transparent and viscid. As water-soluble polymer, it dissolves immediately in cold/hot water and can be used as a thickening agent, rheology controller, bond, stabilizer, colloid protector, suspending agent, and filtrate reducer.
PAC is a good drilling mud additive and also an important material for confecting well liquid, a high mud volume product that featured high acid-resistance and salt-resistance ability. It is a good filtrate reducer with the capacity of increasing viscosity and anti-high temperature (150°C) in the freshwater, seawater, or even saturated brine well-completion liquid. It is suitable for confecting the completion fluid with these 3 kinds of water above.
APPLICATION
(1) PAC-HV is for water-based drilling fluids, which can effectively reduces the filtration rate of many water-based oil and gas drilling fluids and may also be used to increase and stabilize viscosity to improve hole cleaning and suspension properties in a wide variety of fluid environment.
(2) PAC-LV is for use in solids-laden, water-based drilling fluids, which can effectively reduces the filtration rate of many water-based drilling fluids, without causing significant increases in viscosity or gel strength.
(3) PAC R is a cost-effective additive to reduce API filtration rate of many water based drilling fluids including freshwater, seawater, saturated saltwater and solids-free brines, native mud, flocculated mud, inhibited mud and contaminated systems. PAC R increases and stabilizes viscosity to improve rheology, wellhole cleaning and suspension property by coating and encapsulating cuttings and solids of drilling fluids. PAC R is effective over a wide range of pH environments. It lubricates solids in the system, improve wallcake characteristics and reduces the potential for stuck pipe.
STORAGE
Keep dry
PACKAGE
Packed in multiply paper bags or fiber drums (25KG), or according to users’ requirements.
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