NISOC  SPECIFICATION

DRILLING   FLUIDS  PRODUCT  DATA

OYSTER SHELL (C)

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Product Description:

 

   Oyster shells  mainly  consist of  calcium  carbonate and  have

   impurities like magnesium carbonate and silica, soluble in acid.

Application:

 

  • Lost circulation control.

 

Typical Physical Properties :

 

Requirements

Unit

Specification

Residue on ASTM sieves 3/8 in.

Wt %

0

Residue on ASTM sieve No. 8

(Mesh  8)

Wt %

85   min

Residue on ASTM sieve No. 40

(Mesh 35)

Wt %

98   min

Insoluble materials in 15% HCl

Wt %

3   max

 

 

Recommended Treatment:

 

    It depends on lost circulation rate.

 

 

 

Oyster shell (C)  Continue :

 

 

Source :

 

  KPA

Packaging :

 

   25 kg jute bags .

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

 

 

Safety Handling:

 

  • No specific precaution needed.