Course record PETR
PETR 3321
Petroleum Pressure Transient Testing
858 grades13 sections5 professors
Grades: 2014–2025
Flunk Score41/100
Mixed recordChristine Economides 592 grades · 4 terms · 2016–2019 3.55GPA
592 letter grades · 4 sections · 2016–2019
Compare with the course
Economides vs. the course average
A
+9.3
B
−5.8
C
−3.5
D
−0.2
F
+0.2
Difference in percentage points.
Each term against the course average
Spring 2016Spring 2019
0.3% withdrew · 2 of 594 enrolled.
William John Lee 168 grades · 2 terms · 2014–2015 3.05GPA
168 letter grades · 2 sections · 2014–2015
Compare with the course
Lee vs. the course average
A
−26.0
B
+15.6
C
+9.8
D
+1.0
F
−0.3
Difference in percentage points.
0.6% withdrew · 1 of 169 enrolled.
Christine A. Ehlig-Economides 80 grades · 4 terms · 2020–2023 2.63GPA
80 letter grades · 5 sections · 2020–2023
Compare with the course
Ehlig-Economides vs. the course average
A
−7.9
B
+6.5
C
+2.0
D
−0.2
F
−0.3
Difference in percentage points.
Each term against the course average
Spring 2020Spring 2023
0.0% withdrew · 0 of 80 enrolled.
Mohamed Yousef Soliman 11 grades · 1 term · 2025 · Limited sample 3.33GPA
11 letter grades · 1 section · 2025 · Limited sample
0.0% withdrew · 0 of 11 enrolled.
Dimitrios Georgios Hatzignatiou 7 grades · 1 term · 2024 · Limited sample 2.48GPA
7 letter grades · 1 section · 2024 · Limited sample
22.2% withdrew · 2 of 9 enrolled.
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