Surface Processing, Storage and Transportation - Petroleum Production Operations - Petroleum Engineering Previous Year Questions

1

2016 · Petroleum Engineering · Petroleum Production Operations · Surface Processing, Storage and Transportation

Petroleum Engineering (PE) 2016

The schematic figure shows a two-phase horizontal separator designed for an oil and water system. The oil specific gravity is 0.8. The oil pad height is h_o.
The vertical distance between the oil and the water weirs (Δh) at steady state is

A

0.2 h_o

B

0.8 h_o

C

1.0 h_o

D

1.2 h_o

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2

2016 · Petroleum Engineering · Petroleum Production Operations · Surface Processing, Storage and Transportation

Petroleum Engineering (PE) 2016

Match the following
Group 1
P. Master valve
Q. Breather valve
R. Tester valve
S. Dump valve
Group 2
I. Drill stem testing tool
II. Heater-treater
III. Christmas tree
IV. Positive displacement motor
V. Storage tank

A

P-III, Q-V, R-II and S-I

B

P-III, Q-V, R-I and S-IV

C

P-II, Q-III, R-I and S-V

D

P-I, Q-III, R-II and S-IV

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3

2018 · Petroleum Engineering · Petroleum Production Operations · Surface Processing, Storage and Transportation

Petroleum Engineering (PE) 2018

A dilute mixture of coal and sand particles, both of diameter 100 μm and densities 1800 kg/m³ and 2600 kg/m³, respectively, is to be classified by elutriation technique using water (density 1000 kg/m³, viscosity 10⁻³ Pa.s). Assuming Stokes law is applicable, the minimum settling velocity of the particles in the mixture is (g = 9.81 m/s²):

A

4.36 × 10⁻³ m/s

B

8.72 × 10⁻³ m/s

C

2.18 × 10⁻³ m/s

D

1.29 × 10⁻³ m/s

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4

2019 · Petroleum Engineering · Petroleum Production Operations · Surface Processing, Storage and Transportation

Petroleum Engineering (PE) 2019

The process used for producing continuous insulation coating on an electrical wire is

A

Extrusion

B

Injection molding

C

Blow molding

D

Deep drawing

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5

2020 · Petroleum Engineering · Petroleum Production Operations · Surface Processing, Storage and Transportation

Petroleum Engineering (PE) 2020

Which one of the following statements is NOT correct?

A

Flash point of gasoline is lower than that of diesel.

B

Pour point is the temperature at which oil ceases to flow.

C

Higher the Diesel Index of a fuel, higher is its cetane number.

D

Higher the aromatic content of diesel, higher is its aniline point.

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6

2021 · Petroleum Engineering · Petroleum Production Operations · Surface Processing, Storage and Transportation

Petroleum Engineering (PE) 2021

Crude oil from oil sands contains bitumen and asphaltene and this crude is heavy and viscous at room temperature. Assume that one such crude oil is represented by C_xH_1.2xO_y. For easier transportation through pipelines it should be processed further. Identify the processes which help in transportation of this crude oil.

A

Drying

B

Vis-breaking

C

Coking process

D

Hydro-treating

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7

2025 · Petroleum Engineering · Petroleum Production Operations · Surface Processing, Storage and Transportation

Petroleum Engineering (PE) 2025

The primary objective of the electrostatic grid in electrostatic heater-treater used in crude oil processing is to

A

separate sand particles.

B

promote coalescence of water droplets.

C

generate electrical energy from the kinetic energy of the feed.

D

prevent corrosion by the cathodic protection.

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8

2025 · Petroleum Engineering · Petroleum Production Operations · Surface Processing, Storage and Transportation

Petroleum Engineering (PE) 2025

Match the entries in GROUP I with the entries in GROUP II.

GROUP I	GROUP II
(P) Liquid hold-up	(I) Water removal
(Q) Liquid carryover	(II) Free gas escaping with liquid phase
(R) Gas blowby	(III) Free liquid escaping with gas phase
(S) Gas dehydration	(IV) Fraction of pipe volume occupied by liquid

A

P – III; Q – IV; R – I; S – II

B

P – IV; Q – III; R – II; S – I

C

P – I; Q – II; R – IV; S – III

D

P – IV; Q – II; R – III; S – I

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9

2023 · Petroleum Engineering · Petroleum Production Operations · Surface Processing, Storage and Transportation

Petroleum Engineering (PE) 2023

A shell and tube heat exchanger is used for cooling crude oil from 400 K to 360 K. Crude oil flows through the tube at 3650 kg/h. Water enters the shell side at 310 K and has a flow rate of 1600 kg/h. Assume the heat capacity of crude oil and water as 2.5 kJ/kg.K and 4.187 kJ/kg.K, respectively.
If the overall heat transfer coefficient is 300 W/m².K and the streams are countercurrent, the heat transfer area required is ______ m² (rounded to one decimal place).

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10

2026 · Petroleum Engineering · Petroleum Production Operations · Surface Processing, Storage and Transportation

Petroleum Engineering (PE) 2026

Which of the following methods is/are used to separate water from crude oil-water emulsion?

A

Heating

B

Centrifugation

C

Addition of interfacial tension reducing agents

D

Electrostatic coalescence

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