HW Q.1 The chemical analysis of formation water as follow; concentration (ppm) 14,000 12,000 lon Na CI Mg 10,000 8,000 Ca SO4 11,000 Room temperature=D75°F Calculate formation water resistivity at 75, 125 and 150 °F.
HW Q.1 The chemical analysis of formation water as follow; concentration (ppm) 14,000 12,000 lon Na CI Mg 10,000 8,000 Ca SO4 11,000 Room temperature=D75°F Calculate formation water resistivity at 75, 125 and 150 °F.
Chapter2: Loads On Structures
Section: Chapter Questions
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Transcribed Image Text:HW
Q.1
The chemical analysis of formation water as follow;
concentration (ppm)
lon
Na
14,000
CI
12,000
Mg
10,000
Ca
8,000
SO4
11,000
Room temperature=D75°F
Calculate formation water resistivity at 75, 125 and 150 °F.
Q.2
Formation water contains 10,000 ppm of NaCL, 15,000 ppm of
MgSO4 and 8,000 ppm of CaCl2 . Calculate the resistivity at
formation temperature 200 °F.
HW
Q.3
Calculate formation water resistivity at 150 °F if the concentration
of Nacl 50,000, 100,00 1nd 150,000 using graph and equations.
Q.4
If the formation resistivity in the above cases (Q.3) is 2.4 Q-m at
225 °F and the cementation factor is 2. Calculate the porosity
for each case.
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