# help with petroleum engineering assignment

*label*Science

*timer*Asked: Apr 27th, 2019

*account_balance_wallet*$35

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## Tutor Answer

Hi, here is you two assignments :)

PNGE 332

1. Determine

HOMEWORK #4

due Feb 19th 6:00 p.m

the formation volume factor of the following gas mixture at 5000 psig and

194 oF?

Answer:

𝑇𝑝𝑟 =

=

𝑇

𝑇𝑝𝑐

564

350.2

= 𝟏. 𝟖𝟕

𝑃𝑝𝑟 =

=

𝑃

𝑃𝑝𝑐

5014.7

666.9

= 𝟕. 𝟓𝟐

𝒛 = 𝟏. 𝟎𝟑

Now. let us find 𝐵𝑔:

(0

(0.00502)((1.03)(194 + 460))

𝐵𝑔 =

5000 + 14.7

𝒓𝒆𝒔 𝒃𝒃𝒍

= 𝟎. 𝟎𝟎𝟎𝟔𝟕𝟒

𝒔𝒄𝒇

2. Determine the value of the coefficient of isothermal compressibility of the gas at 3335

psia and 170 oF

Answer:

We will apply CprTpr correlation to find Cg:

𝑇𝑝𝑟 =

𝑃𝑝𝑟 =

630

= 1.80

350.2

3349.7

= 5.02

666.7

𝑧 = 0.30

Now, find the coefficient of isothermal compressibility of the gas:

𝐶𝑝𝑟 =

𝐶𝑔 =

0.30

= 0.167

1.80

𝐶𝑝𝑟

0.167

=

=

𝑃𝑝𝑐

666.9

= 𝟐𝟓𝟎 ∗ 𝟏𝟎−𝟔 𝒑𝒔𝒊−𝟏

3. Calculate the viscosity of the gas at one atmosphere and 194 oF

Answer:

𝑉𝑖𝑠𝑐𝑜𝑠𝑖𝑡𝑦 𝑎𝑡 1 𝑎𝑡𝑚 𝑎𝑛𝑑 194℉:

𝑢𝑔 =

0.052

4.057

= 𝟎. 𝟎𝟏𝟐𝟖𝒄𝒑

4. Calculate the viscosity of the gas at 3810 psia and 194 oF and

Answer:

𝑢𝑔1 = 0.0128𝑐𝑝

𝑇𝑝𝑟 = 1.87

𝑃𝑝𝑟 =

3824.7

= 5.74

666.9

𝑢𝑔

= 2.4 (𝑓𝑟𝑜𝑚 𝑓𝑖𝑔. 6 − 9)

𝑢𝑔1

Spring 2019 Due Jan 29th

PNGE 332

HOMEWORK #2

(Submit the typed HW in single pdf file through ecampus)

1. Pure Heptane is contained in a laboratory cell in which the volume can be varied. The

cell is maintained at a temperature of 400°F. The volume is c...

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