公开(公告)号：US10941329B2

公开(公告)日：2021-03-09

申请号：US16091778

申请日：2017-04-10

Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION

Inventor： Nicolas Droger ,  Mickael Allouche ,  Katia Dennis ,  Sylwia Komocki

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.