Research Article

Experimental Study and Stabilization Mechanisms of Silica Nanoparticles Based Brine Mud with High Temperature Resistance for Horizontal Shale Gas Wells

Table 6

Rheological Equation fitting in different temperature of NPBM-2.

Flow patternDetermination coefficient (), test value (), and significant level ()
25°C120°C150°C180°C

Bingham
,
,

,
,

,
,

,
,

Power Law
,
,

,
,

,
,
=0.000

,
,

Carson

,
,


,
,


,
,


,
,

Herschel-Bulkley
,
,

,
,

,
,

,
,