DESCRIPTION - 4mate-vis-HT is a synthetic polymer used to viscosify formate based drilling and completion fluids.
ADVANTAGES
• 4mate-vis-HT has excellent heat stability allowing fluids to be used in applications where the temperature is up to and in excess of 400°F.
APPLICATION
• Viscosity control in sodium, potassium or cesium formate based drilling fluids.
• Viscosity control in completion fluids using sodium, potassium or cesium formate.
PROPERTIES
• Off-White Powder
• Specific Gravity – 1.36
• Activity – 100%
• Packaged in 50 lb. bags
• Loading Rate – 2 to 10 lb./bb
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4 mate -vis-HT Heat Aging
Loading for all tests - 6 ppb 4mate-vis-HT
All readings @ 120 ° F
|
600 rpm Reading |
Hours Hot Rolled @ 375 ° F |
16 |
24 |
48 |
168 |
336 |
504 |
672 |
744 |
Cs/K Formate |
126 |
116 |
112 |
109 |
91 |
89 |
87 |
86 |
Cs Formate |
122 |
118 |
113 |
100 |
100 |
96 |
92 |
92 |
50/50 Cs/K |
|
135 |
128 |
114 |
109 |
109 |
107 |
110 |
|
|
|
|
|
|
|
|
|
|
300 rpm Reading |
Hours Hot Rolled @ 375 ° F |
16 |
24 |
48 |
168 |
336 |
504 |
672 |
744 |
Cs/K Formate |
75 |
68 |
66 |
58 |
52 |
50 |
49 |
49 |
Cs Formate |
74 |
71 |
68 |
60 |
60 |
57 |
55 |
55 |
50/50 Cs/K |
|
83 |
76 |
66 |
63 |
63 |
61 |
63 |
|
|
|
|
|
|
|
|
|
|
Apparent Viscosity |
Hours Hot Rolled @ 375 ° F |
16 |
24 |
48 |
168 |
336 |
504 |
672 |
744 |
Cs/K Formate |
63 |
58 |
56 |
54.5 |
45.5 |
44.5 |
43.5 |
43 |
Cs Formate |
61 |
59 |
56.5 |
50 |
50 |
48 |
46 |
46 |
50/50 Cs/K |
|
67.5 |
64 |
57 |
54.5 |
54.5 |
53.5 |
55 |
|
|
|
|
|
|
|
|
|
|
Plastic Viscosity |
Hours Hot Rolled @ 375 ° F |
16 |
24 |
48 |
168 |
336 |
504 |
672 |
744 |
Cs/K Formate |
51 |
48 |
46 |
51 |
39 |
39 |
38 |
37 |
Cs Formate |
48 |
47 |
45 |
40 |
40 |
39 |
37 |
37 |
50/50 Cs/K |
|
52 |
52 |
48 |
46 |
46 |
46 |
47 |
|
|
|
|
|
|
|
|
|
|
Yield Point |
Hours Hot Rolled @ 375 ° F |
16 |
24 |
48 |
168 |
336 |
504 |
672 |
744 |
Cs/K Formate |
34 |
20 |
20 |
7 |
13 |
11 |
11 |
12 |
Cs Formate |
26 |
24 |
23 |
20 |
20 |
18 |
18 |
18 |
50/50 Cs/K |
|
31 |
24 |
18 |
17 |
17 |
15 |
16 |
|
