Productivity and injectivity of horizontal wells. Quarterly technical progress report, October 1, 1995--December 31, 1995 | Zendy

Khalid Aziz | Zendy

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Productivity and injectivity of horizontal wells. Quarterly technical progress report, October 1, 1995--December 31, 1995

Author(s) -

Khalid Aziz

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/188924

Subject(s) - productivity , petroleum engineering , flow (mathematics) , sensitivity (control systems) , environmental science , geology , engineering , mathematics , economics , geometry , macroeconomics , electronic engineering

As the length of a horizontal well is increased, its contact with the reservoir increases. But at the same time, the resistance to the flow in the well also increases which has a direct negative effect on the productivity of the well. The overall performance of horizontal wells depends on the balance of these two opposing factors. No reliable tools are currently available that account for both these factors in the evaluation of horizontal well performance. An analytical well-model is developed which can quantify the effects of pressure loss in the well on the overall well performance. A sensitivity study is conducted on the effect of various reservoir, fluid and well parameters on well performance

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