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Question 41319

posted 1 years ago

A consolidated sandstone core sample (d2.1 cm and L = 3.6 cm) is%3|saturated with brine of 0.52 N.m resistivity. The core was desaturated insteps, and the following resistance (N) were measured at each saturation.[You can use excel to draw the data, then use your ruler to estimate the required parameters, also learn how to list the values by hand on a Log-Log scale]
a) Estimate the rock porosityb) Determine the saturation exponent of the rock
b) Determine the saturation exponent, n, of the rock

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Question 41317

posted 1 years ago

1. The saturation exponent.
2. The resistivity of the rock when Sw = 40%.
3. Estimate the resistivity index when the water saturation equals 20%.

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Question 41320

posted 1 years ago

The following formation resistivity factors were measured on a suite of gas taken from a producing formation. Determine the coefficient a and the exponent m of this equation. Do appropriate plot. [You can use excel to draw the data, then use your ruler to estimate a & m values, also learn how to list the values by hand on a Log-Log scale]
F=a \phi^{-m}

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Question 41318

posted 1 years ago

2.Water resistivity is denoted by the symbol
3.The resistivity in the flushed zone is denoted by the symbol
4.The shoulder bed resistivity is denoted by the symbol
5.The diameter of invasion is denoted by the symbol
1.Resistivity of the rock fully saturated with brine is denoted by thesymbol

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Question 38514

posted 1 years ago

A reservoir, with a pattern area of 30 acres, is to be water flooded with a five-spot pattern.The reservoir is 15 ft thick and has a porosity of 0.13 and the initial water saturation is0.38 which is considered immobile. Viscosities of oil and water are 2.3 and 1.1 cp respectively. The residual oil saturation is 0.21. FVF’s for oil and water are assumed to be 1.0. Relative permeability data corresponding to the displacement of oil by water are given in the following equations:
k_{r o}=\left(1-S_{w D}\right)^{242}
k_{n=}=0.78 S_{w D}^{3,8}
where:
S_{w D}=\frac{\left(S_{w}-S_{b w}\right)}{\left(1-S_{o r}-S_{w}\right)}
Assume a pressure drop of 500 psi, K= 0.1 darcy, rw=0.5 ft.
1- Using CGM method and Caudle-Witte approach, predict the performance of the waterflooding.
\text { Plot } N_{p}, W_{i}, W p, q_{t}, q_{o}, q_{w}, f_{w}, \bar{S}_{w}, \text { versus time. }
- At water fractional flow of 0.92, calculate the NPV given the following (OP =40$/STB, WIC=1.08 $/STB, WHC = 0.75 $/STB, DF = 0.09)

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Question 30516

posted 1 years ago

A 200 mol/h of heavy naphtha is introduced to catalytic reformer to produce reformate. The composition of the feed as well as the constants (a,b) for the equilibrium constants K are given for each component in feed in the following table:
Determine the composition of the product at T= 550 °C and pressure 15 bar.

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Question 30515

posted 1 years ago

A heavy naphtha is fed to a catalytic reformer at a rate of 271 mol/h. The composition of the heavy naphtha is listed in the following table:
Determine the following:
a) The mole flow for each component in the product of this reformer.
b) The composition of the product from this reformer.

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Question 30517

posted 1 years ago

Light Naphtha is fed to an isomerisation unit to generate reformate. The volumetric flow rate of light naphtha is 250 m/h with APl equals 70. Determine the following:
a) The yields of each component in the product.t
b) The composition of the product.
\text { Knowing that: } A P I=\frac{141.5}{S G}-131.5

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Question 30514

posted 1 years ago

A heavy naphtha feed is introduced to a catalytic reforming unit to generate a reformate. The volumetric flow rate of the heavy naphtha is 200 m'/h. The heavy naphtha comprises 25 vol%naphthene, 70 vol% Paraffins and the remaining is aromatics. The RON of the reformate is 96.Calculate the yields of each product in this reformer.

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Question 29852

posted 1 years ago

Kerosene is a petroleum product that used for heating and lightening and it is used in engines.
a. Describe chemical composition of Kerosene, naphtha, diesel, andgasoline (chain length, and number of carbons).
c. Compare kerosene to naphtha, gasoline and diesel oil (heavier or lighter)
d. Compare the volatility of kerosene to gasoline, naphta.
e. What are the major properties of kerosene that determine itsburning quality?
f. Compare the flash points of kerosene, gasoline and determine which of them is safe for storage?
g. Categorize the kerosene and naphtha as flammable or combustible?
b. What is the boiling rage for kerosene? And how it is compared tothe boiling range of diesel and naphtha, and gasoline?
h. Describe how can kerosene be analyzed for trace metals?

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