#1 Pressure Depth & Well Productivity.pdf

ESP Basics

2. 2

3. 3
SpecificGravity
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∗ ∗
SG
H20
∗ ∗

4. 4
131.5+??????????????????
∗ ∗

5. 5
∗
∗

6. 6
131.5+??????????????????
∗ ∗
∗

7. 7
•
•
•
•
•
•
•
• °

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Increasing Density
0

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WHP

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0

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Increasing Density
0

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•
•

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∗∗∗∗
∗
k

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P
r
P
wf

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∗∗∗∗
∗
k

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PI =300 bpd/psi
PI =100 bpd/psi

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∗ ∗

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P > Pb
When we subject a container of crude oil
to high pressure, it remains entirely in a
liquid state.
P = Pb
Gradually reducing the pressure
leads to the emergence of gas
bubbles
P < Pb
Below the bubble point pressure, we
encounter a two-phase mixture comprising
both liquid and gas

28. 29
P > Pb
When we subject a container of crude oil
to high pressure, it remains entirely in a
liquid state.
P = Pb
Gradually reducing the pressure
leads to the emergence of gas
bubbles
P < Pb
Below the bubble point pressure, we
encounter a two-phase mixture comprising
both liquid and gas

29. 30
P > Pb
When we subject a container of crude oil
to high pressure, it remains entirely in a
liquid state.
P = Pb
Gradually reducing the pressure
leads to the emergence of gas
bubbles
P < Pb
Below the bubble point pressure, we
encounter a two-phase mixture comprising
both liquid and gas

30. 31
•
•
•
∗∗∗∗
∗

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

∗∗∗∗
∗

32. This Photoby Unknown Author is licensed under CC BY
33
•
•
•
• .
∗∗∗∗
∗

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Q
Q
max
=1−0.2∗
P
wf
P
r
−0.8∗
P
wf
P
r
2
P
wf=P
r∗0.125∗−1+81−80∗
Q
Q
max

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∗ ∗

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


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



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•
∗ ∗

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∗ ∗
∗ ∗

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∗ ∗

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•
•
•
•
•
•
•
•
∗∗∗∗
∗

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•
•
•

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