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Worksheetsoil and gas quiz unit 1
Total questions: 63
Worksheet time: 32mins
1. Cement Bond Log used to determine the quality of the cement.
true
false
1. The coring operation is decided to be applied after we analyse the.
· Mud density.
· Drill cuttings.
· Weight on bit.
1. High gamma-ray reading, response (Shale formation).
true
false
A rock which is not porous cannot store anything.
true
false
The rotary drill string includes.
· Drill pipe.
Kelly
· Drill bit.
· All are about the same.
Drill stem test is a mainly pressure recordings and flow rate measuring.
true
false
Free gas migrates to the top section of the trap.
true
false
Marsh funnel measuring the viscosity of drilling and workover fluids.
true
false
Ethane gas is composed of four hydrogen atoms, which are bonded to two carbon atoms.
true
false
In saturated oil reservoir, the initial reservoir pressure is equal to the bubble point pressure
true
false
V Door is used to bring in pipe and other equipment on the cat walk.
true
false
Natural gas contains a large quantity of (Ethane C2H6, Propane c3H8, and Butane C4H10).
true
false
The basic drilling fluid (Mud) components are solid, Barite and liquids.
true
false
Hydrostatic pressure increases directly with the weight and depth of the fluid.
true
false
The types of structural traps are:
Salt dome.
Anticline
Darcy´s Law establishes that production rate depends on:
· Porosity.
· Permeability.
· Temperature.
Filter mud cake increase with water losses increase :
true
false
Which conditions are necessary for a trap to contain oil?
· Source rock
· Reservoir rock
· Cap rock
· All of the above.
Petroleum is found in igneous rocks.
true
false
1. Gamma Ray Log (GRL) used to detect thickness for permeable zones (h).
true
false
The hydrostatic pressure increases directly with the density of fluid.
true
false
1. The search studies for hydrocarbons are:
· Geochemical Studies.
· Geological Studies.
· Geophysical Studies.
· All of the above.
Variable Density log (VDL) used to determine rock porosity.
true
false
1. Formed by the transformation of other rocks due to pressure and temperature.
Metamorphic rocks.
Igneous rocks.
Sedimentary rocks.
The main oil fields in Waha Oil Company are ( Jalow, Dahra, Nafoora)
true
false
The three primary rock types are igneous, sedimentary, or metamorphic.
true
false
Geophysics is the science which deals with investigating the Earth using techniques of Physics:
true
false
An oil that is at a pressure above its bubble-point pressure is an ‘‘under-saturated oil.’’
true
false
1. The main reservoir rock properties are.
Oil viscosity.
Rock permeability.
Reservoir pressure.
All are about the same.
The physical properties of crude oil are.
Salt content.
°API gravity.
Bs&w.
All of above.
Exploration seismic exploration locates hydrocarbons on land or under the sea.
true
false
Alkanes have the general formula of (CnH2n+2).
true
false
An important part of geology is the study of how Earth’s materials, structures have changed
over time.
true
false
Absolute open flow potentional (AOP) is:.
· The wellbore flowing pressure at maximum flowrate.
· The flowrate at maximum reservoir pressure.
· The flowrate at zero wellbore flowing pressure.
Drill collar used to.
· provides weight on bit.
· increase bit life.
· provide angle control in directional drilling operations.
· All are about the same.
Rock porosity is the ability of fluid movement through pore space.
true
false
The main function of filter mud cake.
· minimize formation damage.
· reduce fluid loss.
All are about the same.
Rock porosity is a measure of the opening in rock in which petroleum can exist.
true
false
Mud balances a device used for measuring the density of drilling fluids or cement slurry.
true
false
Mud pumps always have used reciprocating dynamic pistons
true
false
The mud log is obtained during the drilling and completion operation.
true
false
Drill pipe used to hold a sample of hydrocarbon after pulling out the DST device.
true
false
Top drive more quickly and safety than Rotary rig
true
false
Rock forming minerals of interest to the petroleum geologist can be divided
· Granite.
· All are about the same
· Silicates
1. The initial reservoir pressure is below the bubble point pressure of the reservoir fluid.
· Gas cap reservoir.
· Satureted oil reservoir.
· Under satureted oil reservoir
Well site geologist is responsible for finishing of the geologist programed defined in the well prediction.
true
false
Used to remove unwanted gas from the drilling mud.
Desander
·
· Test seperator
· Degasser boot
Flash point It's minimum of temperature degree which is crude can be flow
true
false
Alkanes family are also called Saturated Hydrocarbons.
true
false
1. Formed by processes of weathering, transport sedimentation and lithification.
· Sedimentary rock
· Igneous rock
· Metamorphic rock.
1. This operation is done by sending sound waves into the earth or in the sea.
· Seismic operation.
· Gravity operation
· Magnetic operation
1. Degasser is used in order to separate drilling fluid from gas.
true
false
Power swivel allows mud to flow from the rotary hose to the Kelly in Top Drive rig.
true
false
Butane gas is composed of ten hydrogen atoms, which are bonded to four carbon atoms.
true
false
1. GRL estimate type & volume of shale in reservoir rocks.
true
false
Most blowout have been caused by the lost circulation.
true
false
A Kick is an influx (formation gas or fluid) that causes the well to flow to surface.
true
false
The safety joint in DST installed below pressure recording gauge
true
false
Core samples are obtained by replacing the coring bit with drill bit
true
false
Core samples are obtained by replacing the coring bit with drill bit
true
false
1. Used for measuring the viscosity of drilling and work over fluids.
· March funnel
· Mud balance
1. The API gravity of gas condensate is above 40 degree.
· True
· False
1. Formed by cooling of molten substances.
a. Igneous rocks
b. Sedimentray rocks
C. Metamorphic rocks
