D

Question 1

Mention 4 methods of well kick & pressure control!

Answer 1

Driller, Batch, Concurrent, and Volumetric Methods

Question 2

Mention at least two methods in CO2 injection mechanism!

Answer 2

continuous injection, slug CO2 + water

Question 3

Mention 3 methods to test gas deliverablity!

Answer 3

Back pressure test, isochronal test, and modified isochronal test.

Question 4

Mentioned 4 procedures of implematation in hydraulic fracturing stimulation ?

Answer 4

Injectiviy Test/Breakdown test, Step rate test, minifrac, mainfrac.

Question 5

Mention three additives which used as the extender!

Answer 5

Bentonite, Pozzolan, Perlite,

Question 6

What is the terminology of additives for increasing the cement slurry volume?

Answer 6

extender

Question 7

The instrument consists of rubber ring that is mounted on short pipe used to separate the hole in above and below parts is __________.

Answer 7

packer

Question 8

Field calibration could be done by using this two substance, mention it

Answer 8

Magnesium and Alumunium

Question 9

Mention three types of decline curve!

Answer 9

Exponential, hyperbolic, harmonic

Question 10

Mentioned flow patterns in the beggs & brill method ?

Answer 10

Segregated, transition, intermittent, distributed

Question 11

What is the terminology for the name of grain size scale classification of sedimentary clastic rocks?

Answer 11

Wentworth sedimentary grains classification

Question 12

Based on ionic characteristic N-ALKYL BETAINE is surfactant class?

Answer 12

amphoterik

Question 13

Mention two types of gas driving mechanisms!

Answer 13

Gas cap drive and solution gas drive

Question 14

Measuring of the concentration of the excess negative charges in the clay molecules is called?

Answer 14

CEC (cation exchange capacity)

Question 15

What liquid is used to measure capillary pressure?

Answer 15

Mercury

Question 16

Mention 3 important factors affecting on designing ESP!

Answer 16

PI of the well, Casing & Tubing Size, and Static Liquid Level

Question 17

What is the main function of Drill Collar?

Answer 17

placing neutral point

Question 18

Mention 3 types of carbonate rocks based on Dunham’s classification!

Answer 18

Mudstone, wackestone, packstone, grainstone, boundstone, and crystalline carbonate

Question 19

4. A rock that containing oil or gas will have a …… resistivty than the same rock saturated with salt water.

Answer 19

higher.

Question 20

What is the worst drive mechanism for oil reservoir?

Answer 20

Solution gas drive

Question 21

Mention 3 main factors affecting on Inflow Performance Relationship (IPR)!

Answer 21

GOR, skin, water-cut, and effective permeability

Question 22

Mention 4 factors affecting on casing design!

Answer 22

Burst Load, Collapse Load, Tensional Load, and Biaxial Load

Question 23

What are the two most commen petroleum reservoir rocks?

Answer 23

Sandstones and carbonates(limestones and dolomites)

Question 24

The value of which quite high resistivity, the anti-correlation between density and resistivity logs, and the separation between log density - neutron indicates considerable as?

Answer 24

hydrocarbon bearing zone

Question 25

What is the tool that used to look for leaking cement in borehole?

Answer 25

CBL (cement Bound log)