Defoaming Compositions and Processes for Drilling Fluid Applications |
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| 申请号 | US15829337 | 申请日 | 2017-12-01 | 公开(公告)号 | US20180079949A1 | 公开(公告)日 | 2018-03-22 |
| 申请人 | KEMIRA OYJ; | 发明人 | Amir Mahmoudkhani; Robert Wilson; Luciana Bava; Jacob Rocker; | ||||
| 摘要 | Compositions and processes for breaking or reducing foam in a drilling fluid, or improving the disposal of a drilling fluid, or reducing or preventing entrained gas in a drilling fluid. The compositions include a defoaming composition comprising hydrophobic silica and an organic acid ester of a polyoxyethylene-polyoxypropylene block copolymer. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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