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In servicing a plunger lift system, the pig must be periodically removed from the _______________, to inspect the pig seals.

A - separator

B - wellhead lubricator

C - stock tank

D - bumper

_______________________________________________

Question 19:

Which of the following is a disadvantage of using a gas lift system?

A - Not affected by wellbore deviation

B - Major component (gas compressor) is installed at the surface

C - Works best with minimized wellhead pressure

D - Capable of handling sand (in most cases)

_______________________________________________

Question 20:

When a well is first drilled into the reservoir, it creates an opening through which the reservoir fluids can escape and flow to surface facilities. This flow happens because pressure is:

A - Higher in the reservoir than at the surface

B - Lower in the reservoir than at the surface

C - None of the above

D - The same at reservoir and surface levels

PUMP 6003_Artificial Lift - Progressive Cavity Pumps

_______________________________________________

Question 1: If the wellhead drive for a progressive cavity pump is a direct electric drive system, daily checks should include: A - Hydraulic fluid level check B - Check for correct pressure differential across the oil filters C - Belt tension D - None of the above _______________________________________________

Question 2: The progressive cavity pump system device that is run as part of the tubing string at, or near, the bottom of the hole to balance the torque produced by the clockwise rotation of the sucker rods is called a:

A - Torque anchor B - Rotating wellhead C - Rotating anchor D - Torque reducer _______________________________________________

Question 3: Which of the following components does a progressive cavity pump use to transfer fluids?

A - Casing and impeller B - Cylinder and piston C - Housing and gears D - Rotor and stator _______________________________________________

Question 4: When setting a progressive cavity pump, the service rig should pick the rod string up 500 mm above string weight. This allows for:

A - Correct placement of the rod coupling in the top of the stator rubber B - Increased rod weight C - Proper distance between the rotor and the tag bar D - A 500 m piece of sucker rod _______________________________________________

Question 5: There is a variety of sucker rod couplings available to help reduce rod and tubing wear in a progressive cavity pump system. In the system, these couplings become the:

A - Process variable B - Essential component C - Torque anchor D - Sacrificial component _______________________________________________

Question 6: The main advantage of a progressive cavity pump hydraulic drive unit is that the amount of torque on the rod string can be monitored by watching the:

A - Hydraulic pressure gauge B - Drive belt tension C - Motor speed D - Rod string tension _______________________________________________

Question 7: Progressive cavity pumps:

A - Develop pump head by the propelling action of blades on the liquid B - Use a rotating screw in a stator to force fluid through the pump C - Use centrifugal force to develop velocity in a liquid being moved, the velocity is consequently converted to pressure D - Use the reciprocating motion of plungers to move the liquid through the pump _______________________________________________

Question 8: In a progressive cavity pump system a tag bar is welded across the bottom of the stator. This device aids in finding bottom when running the rods and rotor in the hole. These tag bars are placed 250 to 500 mm:

A - Beside the stator rubber B - Above the stator rubber C - Below the stator rubber D - Inside the stator rubber _______________________________________________

Question 9: When setting a progressive cavity pump, the stator is run in as part of the ___________________ while the rotor is run in as part of the ________________. A - Rod string, tubing string B - Tubing string, rod string C - Stator rubber, tag bar D - Tag bar, stator rubber _______________________________________________

Question 10: The displacement of a progressive capacity pump varies with the size of the:

A - Rotor B - Stator C - Compressor D - Progressive cavity _______________________________________________

Question 11: You should always assume that your progressive cavity pump wellhead drive is fitted with a means to release sucker rod torque on a stopped unit.

A - True B - False _______________________________________________

Question 12: When running the rods and rotor of a progressive cavity pump in the well, a ______________ is welded across the bottom of the stator which aids in finding the bottom of the hole.

A - tag bar B - torque anchor C - shear pin D - clamp _______________________________________________

Question 13: If a progressive cavity pump is to produce the required pressure, the stator should always have the rotor:

A - Completely above it B - Partially through it C - Completely through it D - Completely below it _______________________________________________

Question 14:

Some progressive cavity pumps are driven by a direct drive unit that has an electric motor mounted on a gearbox on the wellhead. To ensure that the rods do not become over-torqued when sand-up occurs, the drive is usually equipped with:

A - V-belts

B - Sheaves

C - A hydraulic pressure gauge

D - A slip clutch or shear pins

_______________________________________________

Question 15:

What can cause the tubing to back off in a progressive cavity pump system that does not have a torque anchor if the pump is stopped?

A - The clockwise rotation of the sucker rods

B - The temperature limit of screw pumps

C - The pitch or length of each cavity within the pump

D - The counter-clockwise rotation of the sucker rods PUMP 6005_Artificial Lift - Submersible Pump System

_______________________________________________ Question 1: If operating without a gas separator causes an underload condition of a submersible pump, the appropriate remedial action is:

A - Check the surface pressures and re-establish the annular flow path B - Lower the casing pressure or choke back the well slightly C - Wait until the reservoir pressure increases and displaces the pump with fluid D - Choke back the wellhead to restrict flow _______________________________________________

Question 2: Low tubing pressure experienced with a submersible pumping system can be caused by a/an:

A - Gas locked pump due to gas surge or restricted casing valve B - Increase in plant inlet pressure C - Restricted wellhead choke D - Obstruction in the flowline _______________________________________________

Question 3: The submersible pump system component that contains a thrust bearing assembly that is designed to withstand the differential forces created while pumping is called the: A - Multistage centrifugal pump B - Equalizer section C - Gas separator D - Motor flat extension _______________________________________________

Question 4: The equalizer section is attached on top of the motor that drives a submersible pump. One of its primary functions is to: A - Provide a path through which motor oil can expel to the annulus to prevent seal or motor housing rupture B - Ingest and then centrifugally separate liquids from gas C - Provide a conduit to transfer electrical power from the surface to the submersible motor D - Provide a fluid tight seal to facilitate the transfer of electrical power from the motor flat to the submersible motor _______________________________________________

Question 5: A reliable check valve should always be installed in the equalizing line od a submersible pump system to:

A - Allow operating in a downthrust condition B - Prevent operating in a downthrust condition C - Prevent the circulation of produced fluid down the annulus D - Allow the circulation of produced fluid down the annulus _______________________________________________

Question 6: An equalizer section is attached on top of the motor that drives the submersible pump. One of its primary functions is to: A - Provide a conduit to transfer electrical power from the surface to the submersible motor B - Act as an isolation chamber to prevent contamination of the motor oil from annular fluids C - Ingest and then centrifugally separate liquids from gas D - Transmit torque to the pump shaft, which spins impellers _______________________________________________

Question 7: The submersible pumping system component that accommodates for thermal expansion and prevents contamination of the motor oil is referred to as a: A - Motor flat extension B - Vent box C - Seal section protector D - Motor controller _______________________________________________

Question 8: Fluid levels provide insight into well performance once the well has stabilized. An increase in fluid level with a decrease in rate could indicate: A - Restricted inflow B - Increased reservoir pressure C - A hole in the tubing D - Presence of asphaltenes _______________________________________________

Question 9: In the case of a pumped off well, to allow continuous run, it is necessary to: A - Turn off the underload settings B - Maintain the underload settings at the current level C - Turn the underload settings to maximum D - None of the above _______________________________________________

Question 10: When starting a submersible pump after prolonged non-producing periods, it is often necessary to temporarily:

A - Decrease the overload shutdown B - Increase the overload shutdown C - Lower the high-pressure shutdown switch D - Increase the high-pressure shutdown switch _______________________________________________

Question 11:

High tubing pressure can be caused by:

A - Gas-locked pump due to gas surge or restricted casing valve

B - A restricted wellhead choke

C - A decrease in plant inlet pressure

D - An unobstructed flowline

_______________________________________________

Question 12:

Power bumps caused by inadequate power delivery result various submersible pump operational problems. To record power distribution characteristics, the line should be equipped with a:

A - Chart recorder

B - Drentz meter

C - Power transformer

D - Surge protector

_______________________________________________

Question 13:

A parted shaft of a submersible pump can be prevented with the use of a:

A - Drain valve

B - Gas separator

C - Backspin relay

D - Flow choke

_______________________________________________

Question 14:

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