| 专利名称： | CHEMICALLY BONDED PHOSPHATE CERAMIC SEALANT FORMULATIONS FOR OIL FIELD APPLICATIONS |
| 公开（告）号： | |
| 公开（公告）日： | 2007-01-04 00:00:00 |
| 申请（专利）号： | WO2005US30130(WO2007001344) |
| 申请日： | 2005-08-24 00:00:00 |
| 发明（设计）人： | UNIV CHICAGO (US)WAGH ARUN S (US) |
| (申请)专利权（人）： | WAGH ARUN S (US);JEONG SEUNG-YOUNG (KR) |
| 内容： | A sealant for an oil or geothermal well capable of setting within about 3 to about 6 hours at temperatures less than about 250 DEG F for shallow wells less than about 10,000 feet and deep wells greater than about 10,000 feet having MgO present in the range of from about 9.9 to about 14.5 %, KH2PO4 present in the range of from about 29.7 to about 27.2 %, class C fly ash present in the range of from about 19.8 to about 36.3 %, class F fly ash present in the range of from 19.8 to about 0 %, boric acid or borax present in the range of from about 0.39 to about 1.45 %, and water present in the range of from about 20.3 to about 21.86 % by weight of the sealant. A method of sealing wells is disclosed as are compositions for very high temperature wells is disclosed as is a composition for treating oil field wastes. |
发布日期：2007-08-21 16:08:00