In directional drilling, the effect of bending can be assessed by calculating the for adjacent drill string components
a-Modulus of rigidity
b-Section modulus
c-Poisson ratio
d-Shear strain
a-Modulus of rigidity
b-Section modulus
c-Poisson ratio
d-Shear strain
ββπPiper Alpha was the worldβs biggest offshore disaster, reducing 10 percent of the UK oil production and causing the death of 167 men. Piper Alpha was an oil platform located in the North Sea approximately 190 km northeast of Aberdeen- Scotland
ππΌQuiz On Piper Alpha DisasterππΌ
Q1 On .............. 1988, an explosion and resulting oil and gas fires destroyed the platform.
a- July 5th
b- July 6th
c -July 7th
d -July 8th
ππΌQuiz On Piper Alpha DisasterππΌ
Q1 On .............. 1988, an explosion and resulting oil and gas fires destroyed the platform.
a- July 5th
b- July 6th
c -July 7th
d -July 8th
π1
Q-2- The Incident started by very first event when one of the ______________.
Anonymous Quiz
32%
PGC-Process gas compressor tripped
34%
TEG Glycol pump tripped
21%
Condensate pump tripped
12%
HVAC tripped
Q-3-Primary cause of accident was that__________.
Anonymous Quiz
21%
a- shift operator had not read the handing over-about status of NRV of pump.
43%
b- shift operator had not read the handing over-about status of blowdown valves of compressor
23%
c- shift operator had not read the handing over-about status of strainer of pump.
13%
d- shift operator had not read the handing over- about status of intercooler of the compressor
Q-4-Fire on the platform was not burn itself out because firefighting system was________________.
Anonymous Quiz
18%
a- Failed to work
51%
b-under automode and malfunctioned
10%
c-not present
20%
d-put on manual mode
Q-5-It took over _________ for the fires to be extinguished. Name of fire fighting during the disaster____________
Anonymous Poll
15%
a-10 days; OSV-Tharos
19%
b-15 days; coastgaurd
27%
c-15 days; Rescue 138
31%
d-over 3 weeks; OSV-Tharos
8%
e-over 3 weeks; Civilian Sikorsky
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
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
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
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
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
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
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
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
A- MDH Plot
B- Cartesian Plot
C- Horner Plot
D- Superposition
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
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
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
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
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
a-remain constant
b-decreases
c-increases
d-cannot be predicted