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Application

96111403/25, 1996-06-05

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Actual filing date

1996-06-05

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Published

1998-08-10

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Inventor

Somov V.E.Bannov P.G.Laptev N.V.Varshavskij O.M.Voronina N.A.Borisova L.A.Usikov S.V.Vasil'Eva L.K.Rjadnenko V.L.Ivanova Z.D.Igolkin B.I.Usikov A.S.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF DETERMINING HIGHEST SPECIFIC HEAT OF PETROLEUM COMBUSTION Russian patent published in 1998 - IPC

Abstract RU 2117280 C1

FIELD: oil and gas production. SUBSTANCE: specific heat is found from formula: Qas

= (q-a)•(Δq-b)lnnt where nt is oil identity criterion at temperature t within 0-50 C range; q=47250,2 kJ/kg is combustion heat of oil containing light fractions; Δq=758 kJ/kg is drop of combustion heat of oil containing heavy fractions; a= 0.2374 t2 +2.878t; b=0.143 t2 -4.25t. EFFECT: enabled early oil quality diagnostics.

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RU 2 117 280 C1

Authors

Somov V.E.

Bannov P.G.

Laptev N.V.

Varshavskij O.M.

Voronina N.A.

Borisova L.A.

Usikov S.V.

Vasil'Eva L.K.

Rjadnenko V.L.

Ivanova Z.D.

Igolkin B.I.

Usikov A.S.

Dates

1998-08-10—Published

1996-06-05—Filed

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