Investigation of Formation Damage and Well Injectivity by Injection History during Water Injection Process
Publish place: 07th International Congress on Chemical Engineering
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC07_606
تاریخ نمایه سازی: 25 فروردین 1394
Abstract:
The histroy of water injection is a cheap and useful tool to investigate well injectivities in lack of laboratory experiment during a water injection project. This paper tries to evaluate near wellboreformation damage qualitatively through an efficient technique using minimum available information of an injection well like injection pressure, injection rate and the time period of injection. Here, the performances of water injection wells of one of the Iranian oilfields have beenevaluated in respect of formation damage and fracture propagation benefiting the changes in slope of cummulative pressure-time versus cumulative injected water as well as instantaneous pressurerate plot. Finally, employment of this approach for analysis of formation failure and thermal stresses created within the first steps of injection process is recommended.
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Authors
Saeed Abbasi
Research Institute of Petroleum Industry, Department of Exploration & Production, EOR Studies Center
Hassan Farahani
PetroPars Company, Tehran, Iran
Abbas Shahrabadi
Research Institute of Petroleum Industry, Department of Exploration & Production, EOR Studies Center
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