发明名称 |
Biopolymer composition having enhanced filterability. |
摘要 |
<p>A composition for use in enhanced oil recovery comprising from about 1.5-20 weight percent Xanthomonas biopolymer and from about 0.0008-3 weight percent methylene bis (thiocyanate), the composition having a pH above about 3.5. Also disclosed is a novel process for production of directly injectable biopolymer solution and a method for the recovery of crude oil from an oil-bearing subterranean formation by injecting the diluted composition into the formation.</p> |
申请公布号 |
EP0145217(A1) |
申请公布日期 |
1985.06.19 |
申请号 |
EP19840307446 |
申请日期 |
1984.10.29 |
申请人 |
PFIZER INC. |
发明人 |
BECK, DONALD;MILLER, JAMES WALTER;WERNAU, WILLIAM CHARLES;YOUNG, THOMAS BENTON III |
分类号 |
C09K8/02;C08L5/00;C09K8/58;C09K8/90;C12P19/06;(IPC1-7):E21B43/25;E21B43/22 |
主分类号 |
C09K8/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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