Oilfield Scaling – Part II: Productivity Index Theory

Date

2003

Authors

Bedrikovetski, P.
Gladstone, P.
Lopes Jr., R.
Rosario, F.
Bezerra, M.

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Advisors

Journal Title

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Type:

Conference paper

Citation

2003 SPE Latin American and Caribbean Petroleum Engineering Conference, Port-of-Spain, Trinidad, West Indies, 27–30 April 2003

Statement of Responsibility

Conference Name

SPE Latin American and Caribbean Petroleum Engineering Conference (2003 : Port-of-Spain, Trinidad, West Indies)

Abstract

Barium sulphate scaling during waterflooding causes formation damage mostly near to production wells, because high velocity near to wellbore provokes intensive mixing and accelerated chemical reaction between barium and sulphate ions. The mathematical model for steady state oil-water flow towards producers accounting for chemical reaction is developed, and an analytical solution is found. It allows obtaining a productivity index formula for PI decline prediction. The main result of the work is proportionality between the inverse to productivity index and time.

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Provenance

Description

SPE paper 81128

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(c) SPE

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