Q-While circulating mud in the well, which part of pressure lost will act at the bottom of the wellbore?
a- Drill string pressure loss
b- Bit pressure loss
c- Annular pressure loss
d- Shaker pressure loss

The depth limit of steam flooding is around
a- 4000 ft
b- 3000 ft
c- 6000 ft
d- 10000 ft

In Mohr's scale of hardness how many minerals are of Silicate
a-4
b-6
c-8
d-10

It is a liquefied, compressed gas that stops the spread of fire by chemically disrupting combustion.
a-Ozone
b-Halon
c-DFO
d-Nitrogen di oxide

Q- Which of the following is not a borehole imaging technique?
a- Optical imaging
b- Acoustic imaging
c- Electrical imaging
d- Relaxation imaging

When mud cuttings are passed through UV light fluorescence occurs. The colour of fluorescence depends upon
a- Specific gravity of oil
b- Viscosity of oil
c- Surface tension of oil
d- Cloud point of oil

Q-The presence of clays ..........resistivity, and hence...........the apparent hydrocarbon saturation.
A- decrease, increase
B- decrease, decrease
C- Increase, Increase
D- increase, decrease

Q-Which amongst the following is the most suitable Diagnostic Plot for analysis of a build-up after multiple rate flow periods?
A- MDH Plot
B- Cartesian Plot
C- Horner Plot
D- Superposition

Guys,
This is official- ONGC will be recruiting via the GATE 2020 & GATE 2021 ranks.
Seat vacancies & all will be notified soon. Keep checking the official website.

Q-The fracturing fluid coefficient is a key factor in modelling an induced fracture. Which of the following is not a category for fracture fluids?
A- Conductivity-controlled fluids
B- Reservoir-controlled fluids
C- Viscosity-controlled fluids
D- Wall-building fluids

Q Which of the following is an inert solid used only to increase the weight of the drilling mud?
a-Bentonite
b-Attapulgite
c-Gypsum
d-Barite

Q-Recovery factor for expansion drive
a- (Bo/Boi)Cdelp
b- (Boi/Bo)delp
c- (Boi/Bo)(1/C)delp
d- (Boi/Bo)C delp

Q-Fractional flow of water based on Buckley Leverette , here M is mobility ratio
a- (1+M)
b- (1/(1+M))
c- 1+1/M
d- 1-1/M

Q- As the positive value of skin increases, effective wellbore radius will
a-remain constant
b-decreases
c-increases
d-cannot be predicted

Q- which of the following is a Transient well testing method?
a- Isochronal test
b- Single point test
c- Productivity testing
d- DST

Dear friends, now that we know that ONGC will recruit from GATE2020, & GATE2021 scores, Some students were asking about the type of questions asked in ONGC interview.
Here we have posted 10 panel interview questions in QUORA that were asked to Petroleum Engineering graduates in ONGC interviews . You can get an idea, do read it.
https://qr.ae/pG5IdT

Q-Which of the following is not a component of DST tool?
a-Multiflow evaluator
b-Bypass valve
c-safety joint
d-packer
e-NONE

Q- Archie's law Cementation factor will be least for
a- Carbonates
b- Unconsolidated rocks
c- Sandstones
d- saturated rocks