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Polyol (Grade-I)




Corporate Specification for oil field chemicals

Specification of polyoI(GRADE-1)

(ONGC / MC / 51 / 2007)

Physical State :
The material shall be in the form of liquid at 24 ± 2oC, free from visible impurites.

pH of 3% (v / v) Sample in 5% (w / v) KCI Solution in Distilled water. : 6.0 - 7.5

Surface Tension of 3% (v / v) sample in 5% KCI Solusion in Distilled water dynes / cm : 40 ± 5

Hydroxyl Value mg KOH / g of Sample : 150 - 200

Iodoform Test for Confirmation of Presence of a-carbon in Sample. : Should be positive

Performance Test :
  • Preparationof of base mud :
    Prepare 10 - 15 cP Bentonite Suspension from pre-hydrated Bentonite Suspension [prepared by stirring 10% (w / v) Bentonite in Distilled Water for 30 minutes using Laboratory stirres (5000 - 6000 rpm ) and aged for 72 houre at 90 ± 2oC] by diluting with Distilled Water and stirring in a Hamilton Beach Mixer for 20 minuts. Treat the prepared Bentonite Suspension with KCI (5% w / v) and age for 24 houre at 24 ± 2oC After that add PHPA (0.2% w/v) + PAC (Regulaar Grade) (0.5% w/v) + PAC (Low Viscosity Grade) (0.3% w/v) +