NISOC SPECIFICATION

DRILLING   FLUIDS  PRODUCT  DATA

STARCH

 

 

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Product Description:

 

   Starch with  general formulation , (C6H10O5)n  is  a poly  saccharide  and

   produced  commercially  from  corn , wheat , potato and  other  sources.

   Pre – gelatinized wheat  starch is a medium viscosity fluid loss  reducing

   agent. It is soluble in water.

Application:

 

  • Fluid loss control.

  • Suspension agent.

  • Viscosifier .

 

Typical Physical Properties :

Properties of  14  lb/bbl concentration

wheat starch

Result after rolling at 200 ºF  for 4  hours with  fresh  water

Result after adding 15% formation water and rolling  at 200 ºF 

       for 4 hours

Mud weight              PCF

150

150

Apparent Viscosity     cPs

75 + 5

65 + 5

Plastic Viscosity          cPs

65 + 5

65 + 5

Yield point        lb/100 ft2

30 + 5

25 + 5

Gel   Strength

10 sec.

9 + 2

9 + 2

10 min.

12 + 2

11 + 2

API Water loss             ml

1.2 – 0.2

1.6 – 0.2

pH

7 + 0.5

7 + 0.5

 Sedimentation

Nil

Nil

Starch (wheat) Continue :

 

Recommended Treatment:

   

   Add 5-10 lb/bbl.

 

Source :

 

   KPA

 

Packaging :

 

   25 kg multi ply Kraft bags with PE liner. Palletized and  shrink-wrapped.

   Marked on : Name of Manufacturer, Batch No. and Production date.

 

Safety Handling:

 

  • Non – toxic.

  • It is  recommended to use dust  

  • Keep in dry, sheltered and shady place.