SETTABLE COMPOSITIONS COMPRISING WOLLASTONITE AND PUMICE AND METHODS OF USE |
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| 申请号 | EP13852565 | 申请日 | 2013-11-08 | 公开(公告)号 | EP2917162A4 | 公开(公告)日 | 2016-07-13 |
| 申请人 | HALLIBURTON ENERGY SERVICES INC; | 发明人 | CHATTERJI JITEN; BRENNEIS D CHAD; KEYS CRYSTAL L; | ||||
| 摘要 | Compositions are provided that relate to cementing operations. A settable composition may comprise wollastonite, pumice, a calcium-ion source, and water, wherein the wollastonite may be present in an amount in a range of from 25% to 75% by combined weight of the wollastonite and pumice, and wherein the pumice may present in an amount in a range of from 25% to 75% by combined weight of the wollastonite and pumice and wherein the water is present in an amount in a range of from 40% to 200% by combined weight of the wollastonite and pumice. The settable composition has a density in a range of from 12 to 20 pounds per gallon. The calcium-ion source comprises lime and is present in an amount in a range of from 0.1 % to 25% by combined weight of the wollastonite and pumice. The settable composition is essentially free of Portland cement. | ||||||
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