SEPARATION OF OIL AND WATER PRODUCED BY MICELLAR-SOLUTION/POLYMER FLOODING.

被引：0
|
作者：
Dreher, K.D. [1 ]
Shoppman, T.D. [1 ]
机构：
[1] Marathon Oil Co, USA, Marathon Oil Co, USA
来源：
JPT, Journal of Petroleum Technology | 1985年 / 37卷 / 09期
关键词：
Petroleum; Crude - Surface active agents;
D O I：
10.2118/10161-pa
中图分类号：
学科分类号：
摘要：
Data from laboratory corefloods pertinent to the characterization of produced-fluid phase behavior are presented. It is shown that some petroleum sulfonates produced along with oil and brine in micellar/polymer enhanced oil recovery projects may remain in the produced-oil phase. These sulfonates cause significant amounts of water to remain in the oil. Sulfonate solubility in the oil phase is a function of the salt concentration of produced brine and sulfonate equivalent-weight distribution. Oil produced at the 219-R Project was successfully upgraded (enough sulfonate was removed) to meet pipeline standards by proper application of a treatment chemical to make sulfonates more water-soluble and by introduction of a freshwater wash.
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页码：1459 / 1465
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