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Oil and gas production chemicals

Filtrate reducer

Product features

This product is a kind of polyacrylamide copolymer diversity, can effectively prevent the formation and drilling fluid filtrate invasion, leading to the expansion of the shale and collapse, caused by sidewall instability. This series of polymers are resistant to various formation temperatures and high salinity, showing excellent filtration loss performance in both water and brine in the temperature range of 100-220℃.

Technical indicators

Model

FRD201

FRD202

FRD203

FRD204

Appearance

white or light yellow free flowing powder

Fineness (sieve residue)

≤10.0

Solid content

≥90%

Water insoluble

≤10.0

PH value

7~9

 

 

 

Heat resistance temperature

≤110℃

≤120℃

≤200℃

≤220℃

Apparent viscosity

≤15.0 mPa·s

≤35.0 mPa·s

High temperature and high pressure filtration loss

≤30.0mL

≤35.0mL

Method of application

Select the model and the amount of addition according to the actual operating temperature. The amount of addition is generally 0.1-0.4% for medium-low temperature and 0.4-1% for high-temperature drilling fluid. It is recommended that 1-2% polymer solution be prepared and then added to drilling fluid as required.

Store the product in dry and cool place, avoid insolation. Shelf life is two years.

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