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Coalescentrum supplies high quality oil and gas drilling grade bentonites: 

 1) API-Grade Bentonite

 2) OCMA-Grade Bentonite

 3) Extended Drilling Bentonite

 

The specifications and typical values of each product are in the following tables:

Oil & Gas Drilling Bentonite

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  3) Extended Drilling Bentonite

 

   Suspension Properties

 Specifications/Standards

    Viscometer dial reading at 600r/min

Min.35.0

    Yield point/plastic viscosity Ratio

Max.4.0

    Filtrate volume

Max.15.0 ml

    Residue of diameter greater than 75um

Max.mass fraction 4%

    Moisture

Max.mass fraction 10.0%

    Volume/Amount (double efficiency)

50%  less volume needed (comparing with API Bentonite)

  1) API -Grade Bentonite

 

 

  Suspension Properties

 API Specification

  Typical Value

  Viscometer dial reading at 600r/min  

   Min.30

35

  Yield point/plastic viscosity Ratio

   Max.3

2.4

  Filtrate volume

   Max.15 ml

12 ml

  Residue of diameter greater than 75um

   Max.mass fraction 4.0%

3.0%

  2) OCMA- Grade Bentonite

 

 

  Suspension Properties

OCMA Specification

 Typical Value

  Viscometer dial reading at 600r/min

  Min.30

35

  Yield point/plastic viscosity Ratio

  Max.6

4.0

  Filtrate volume

  Max.16.0 ml

12 ml

  Residue of diameter greater than 75um

  Max.mass fraction 2.5%

2.0%

  Moisture

  Max.mass fraction 13.0%

11.0%