Invention Grant
- Patent Title: Slurry comprising an encapsulated expansion agent for well cementing
-
Application No.: US16091778Application Date: 2017-04-10
-
Publication No.: US10941329B2Publication Date: 2021-03-09
- Inventor: Nicolas Droger , Mickael Allouche , Katia Dennis , Sylwia Komocki
- Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
- Applicant Address: US TX Sugar Land
- Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
- Current Assignee Address: US TX Sugar Land
- Agent Cameron Sneddon
- Priority: EP16305415 20160408,EP16305416 20160408,EP16305449 20160418
- International Application: PCT/EP2017/000492 WO 20170410
- International Announcement: WO2017/174208 WO 20171012
- Main IPC: E21B33/14
- IPC: E21B33/14 ; C09K8/473 ; C04B28/02 ; C04B20/10 ; C09K8/467 ; C04B40/06 ; C04B22/06 ; C04B111/34 ; C04B111/40
Abstract:
Methods to prepare a well cementing slurry include coating particles comprising an expanding agent with a component selected from the group consisting of a phenolic resin, a silica, a calcination product of a polysiloxane oil, and a combination thereof; and combining the coated particles with mix water and hydraulic cement to form a cement slurry for cementing a well.
Public/Granted literature
- US20190161669A1 SLURRY COMPRISING AN ENCAPSULATED EXPANSION AGENT FOR WELL CEMENTING Public/Granted day:2019-05-30
Information query
