Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Linear expansion of shale with drilling fluids at various temperatures. The experimental pressure was 3.5 MPa; (a,b) respectively refer to the functions of WD4 drilling fluids and DW4 drilling fluids on shale expansion at various temperatures.
