Experimental Study of Water Alternating Gas (WAG) Injection by Physical model
Publish place: 2nd National Conference On Oil,Gas and petrochemicals
Publish Year: 1391
Type: Conference paper
Language: English
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Document National Code:
NCOGP02_075
Index date: 13 June 2013
Experimental Study of Water Alternating Gas (WAG) Injection by Physical model abstract
The Water-Alternating-Gas (WAG) injection was originally proposed as a method to improve sweep of gas injection mainly by using water to control the mobility of displacement i.e. efficiency ofgas flooding with an improved macroscopic sweep by the injection of water.In this experimental study, the displacement efficiency of water injection is compared with WAG injection in scaled physical model. Also effect of different parameters such as type of oil and gas, slug size, water gas ratio andinjection rate on performance of WAG process are investigated. Comparisons the experimental resultsshows that the ultimate recovery was sensitive to the WAG ratio, flow rate and type of gas injection. Itwas also found that the immiscible Nitrogen WAG injection had less recovery compared with CO2 WAG injection
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Experimental Study of Water Alternating Gas (WAG) Injection by Physical model authors
Vahid Sajadian
Research Institute of Petroleum Industries, Polymer Science and Technology Division, Tehran
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