公开(公告)号：US20120199355A1

公开(公告)日：2012-08-09

申请号：US13502489

申请日：2010-09-27

申请人： Mehmet Yaman Boluk ,  Jiang Bai ,  Blaine Francis Hawkins ,  Robert Jost ,  Fred Wassmuth ,  Liyan Zhao

发明人： Mehmet Yaman Boluk ,  Jiang Bai ,  Blaine Francis Hawkins ,  Robert Jost ,  Fred Wassmuth ,  Liyan Zhao

IPC分类号： E21B43/16

CPC分类号： E21B43/20 ,  C09K8/588

摘要： A water flooding composition in a method of secondary hydrocarbon recovery. The water flooding composition includes water and a thickening polymer. The thickening polymer includes a hydroxyethyl cellulose backbone polymer having a molecular weight of between about 1,000,000 and about 2,000,000 and a hydrophobic modifier. The hydrophobic modifier has a substitution level in the thickening polymer of between about 0.1 percent and about 2 percent by weight of the thickening polymer. The hydrophobic modifier is an alkyl hydrocarbon based material containing between about 10 and about 24 unsubstituted carbon atoms per group. The thickening polymer has a concentration in the water flooding composition of between about 0.01 percent and about 1 percent by weight of the water flooding composition. The water flooding composition is formulated within these ranges so that the water flooding composition has a suitable viscosity/mobility and so that the water flooding composition is injectable.

摘要翻译： 二次烃回收方法中的驱水组合物。 水驱组合物包括水和增稠聚合物。 增稠聚合物包括分子量为约1,000,000至约2,000,000的羟乙基纤维素骨架聚合物和疏水改性剂。 疏水改性剂在增稠聚合物中的取代度为增稠聚合物重量的约0.1％至约2％。 疏水改性剂是含有每组约10至约24个未取代碳原子的烷基烃基材料。 增稠聚合物在驱水组合物中的浓度为水驱组合物重量的约0.01％至约1％。 将驱油组合物配制在这些范围内，使得驱水组合物具有合适的粘度/流动性，并且使得注水组合物是可注射的。