TerraHib

Clay shale hydration inhibitor

(TU) 20.59.59-211-14023401-2018

Depending on composition, clay shale hydration inhibitor TerraHib is presented in three brands:
• TerraHib AM is a polyamines and polyethers based composition;
• TerraHib SF is a water based organic-mineral composition;
• TerraHib DNA is a glycol ethers and fatty acids ethanolamides composition.
TerraHib is delivered in metal barrels of 200 liters. The form of delivery can be changed according to the customer specification.

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Purpose

TerraHib is used to prevent processes of clay hydration and swelling during oil and gas wells drilling.

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Physical and chemical properties

Property

DNA

Appearance

Liquid of red to brown color

Transparent or slightly cloudy colorless liquid. Sediment is acceptable.

Liquid of dark brown color

рН value of 1% water solution, units

6,0-10,0

9,0-12,0

min 8,0

Density at 20 °С, g/cm3

1,18-1,28

1,4-1,5

1,00-1,26

Freezing temperature,°С, max

-15

- 25

- 20

Recommendations to application

TerraHib can be used in drilling fluids on the basis of fresh and mineralized (up to full saturation) water. The optimal concentration of TerraHib AM in drilling mud is from 0.5 to 1.5%. The optimal concentration of TerraHib DNA in drilling mud is from 1 to 5%. The working concentration of TerraHib SF is from 5 to 10% and depends on the drilling mud and open borehole residence time.