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TPI Oil Well Cement

Oil well cement is the special type with high sulface resistant. It is usually used in high pressure and temperature condition. At various depth level, oil well cement is designed to flow and solidify rapidly at the desired period. It is produced according to requirements of API specification 10A (American Petroleum Institute)

This Product is intend for use as a basic well cement. It may be mixed and placed ina the field using water ratios or additives at the users discretion.

According to API Specification 10A for Well Cement, Class G High Sulfate Resistance (HSR)

Guarantee Specification

  • Chemical Requirements

 

 

 

 Magnesium oxide

(MgO)

%

max 6.0

Sulfur trioxide

(SO3)

%

max 3.0

Loss of ignition

  %

max 3.0

Insoluble residue

  %

max 0.75

Total Alkalies (Na2O + 0.658 K2O)

  %

max 0.75

Tricalcium silicate

(C3S)

%

48 to 65

Tricalcium aluminate

(C3A)

%

max 3.0

C4AF + 2C3A

 

%

max 24

Physical Requirements

     

Fineness ; Specific surface Air permeability test

 

m2/kg

-

Soundness : Autoclave expansion

 

%

max 0.8

% of Free fluid

 

%

max 5.90

Thickening time

 

minutes

90 to 120

Maximum consistency 15-30 minute stirring period

 

Bc

max 30

Compressive Strength

 

 

 

@ 100 F, atmos, 8 hrs

 

psi

min 300

@ 140 F, atmos, 8 hrs

 

psi

min 1500

RFQ

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