Evaluation and Modeling of Steam Drive in Diatomite under Reservoir Conditions

ARIFFIN BIN, SAMSURI and REZA, CHERAGHI KOOTIANI and SASAN, MIRALI and SOROUSH, CHEHREHGOSHA (2014) Evaluation and Modeling of Steam Drive in Diatomite under Reservoir Conditions. In: International Conference on Future Trends In Mechanical, Production and Automation Engineering - FTMPAE 2014, 03- 04 May, 2014, Bangkok.

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There are large petroleum deposits in low permeability diatomaceous rocks. These oil deposits form a substantial part of original oil trapped in the San Joaquin Valley, California. Water flooding and steam drive with hydraulically fractured injectors and producers are possible ways of recovering oil from such deposits. Water flooding in diatomaceous rocks has not been widely effective, primarily due to the low mechanical strength of the rock. The brittle formation fractures easily and fracturing leads to injector/ producer linkage. Steam injection on the other hand shows better prospects of performance in these reservoirs. Since diatomite is primarily silica, steam injection into a diatomite reservoir could cause some changes in reservoir rock characteristics due to dissolution, transport and re-precipitation of silica. This study is aimed at modeling mathematically this dissolution process and predicting the dissolution and precipitation rates by developing a simulator code that predicts the physics of these processes. The simulator results will be compared with available experimental results. The mathematical model will then be updated to include the effect of this dissolution mechanism on the reservoir properties, such as permeability with duration of steam injection.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Permeability, Water flooding, Steam injection, Simulator code, Dissolution mechanism
Depositing User: Mr. John Steve
Date Deposited: 13 May 2019 12:26
Last Modified: 13 May 2019 12:26
URI: http://publications.theired.org/id/eprint/2349

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