The Rheology and Performance of Geothermal Spring Water-Based Drilling Fluids

Figure 3

The rheograms of the S1, S2, S3, S4, and D1 samples at constant temperatures (a) 77°F, (b) 122°F, (c) 167°F, (d) 212°F, (e) 257°F, and (f) 302°F.

(a)

(b)

(c)

(d)

(e)

(f)