Invention Grant
- Patent Title: Dual function cement additive
- Patent Title (中): 双功能水泥添加剂
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Application No.: US10570377Application Date: 2004-08-25
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Publication No.: US07674331B2Publication Date: 2010-03-09
- Inventor: Bruno Drochon , Sylwia Komocki , Michel Michaux
- Applicant: Bruno Drochon , Sylwia Komocki , Michel Michaux
- Applicant Address: US TX Surgar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Surgar Land
- Agent David Cate; Robin Nava; Jeff Griffin
- Priority: GB0320938.4 20030908
- International Application: PCT/EP2004/009489 WO 20040825
- International Announcement: WO2005/024175 WO 20050317
- Main IPC: C04B14/04
- IPC: C04B14/04 ; C04B103/20
Abstract:
The use of silicate as a retarder enhancer at appropriate levels to enhance the retarding effect of retarders at high temperatures encountered downhole while accelerating the set of cement at lower temperatures encountered near to the surface.
Public/Granted literature
- US20060254466A1 Dual function cement additive Public/Granted day:2006-11-16
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