If a pumped-off condition causes an underload condition of a submersible pump, the appropriate remedial action is:

A - Lower the casing pressure or choke back the well slightly

B - Choke back the wellhead to restrict flow

C - Wait until the reservoir pressure increases and displaces the pump with fluid

D - Check the surface pressures and re-establish the annular flow path

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Question 15:

A submersible pumping system parted shaft is usually the result of foreign materials or objects locking up the shaft within the pump or separator. Another common cause of parted shafts is:

A - A faulty logic board

B - Increased specific gravity

C - Restarting during backspin

D - A mechanical restriction within the submersible component

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Question 16:

In the case of a pumped off well utilizing a submersible pump it is necessary to:

A - Maintain the well operation at the current rate.

B - Turn the underload setting to maximum.

C - Choke back the tubing pressure.

D - Open the choke fully.

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Question 17:

Submersible pump system backspin relays:

A - Allow for the control of the motor operating frequency outside of the standard 60Hz system

B - Transfer electrical power from the surface to the motor

C - Sense small current (amperage) generation and can lock out the motor starter

D - Provide a means of bypassing the check valve

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Question 18:

If the submersible is required to start when the water cut may be temporarily high, it will shut down due to underload.

A - True

B - False

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Question 19:

If a restricted annular flow path results in an underload condition of a submersible pump, the appropriate remedial action is:

A - Lower the casing pressure or choke back the well slightly

B - Check the surface pressures and re-establish the annular flow path

C - Choke back the wellhead to restrict flow

D - Wait until the reservoir pressure increases and displaces the pump with fluid

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Question 20:

If a gas surge from the reservoir causes an underload condition of a submersible pump, the appropriate remedial action is:

A - Choke back the well head to restrict flow

B - Check the surface pressures and re-establish the annular flow path

C - Lower the casing pressure or choke back the well slightly

D - Wait until the reservoir pressure increases and displaces the pump with fluid

PTPR 6010_Emulsions and Treatment

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Question 1: When obtaining a representative sample of liquid for determining BS&W, the sample should: A - Be allowed to age and settle out B - Be taken as close to the test meter as possible C - Be taken as far as possible from the test meter D - Not be heated to treater operating temperature before spinning ______________________________________________

Question 2: For samples where the B S & W is in the range of 80 to 100%, the oil portion of the samples does not have to be spun, due to the limited amount of the oil portion of the sample available. A - True B - False _______________________________________________

Question 3: When conducting a bottle test, you need to ensure that the sample used be: A - Representative of the past 48-hours of flow B - As fresh as possible C - At least 12 hours old D - Aged 24 hours before testing _______________________________________________

Question 4: The film of emusifying agent that surrounds the water in an emulsion of water-in-oil tends to prevent the joining of the water droplets. A - True B - False _______________________________________________

Question 5: When taking 0 to 10% BS&W samples with 200 mL centrifuge tubes, the water-cut is determined by: A - Adding the readings of both tubes together. B - Recording the reading from the tube with the highest reading. C - Reading the results directly from one tube. D - Recording the reading from the tube with the lowest reading. _______________________________________________

Question 6: For samples where the BS&W is in the range of 10 to 80% BS&W, the free water percentage is calculated as: A - Percentage of free water = (Volume of free water / Total volume) x 100% B - Percentage of free water = (Volume of solvent / Total volume) x 100% C - Percentage of free water = (Volume of solution / Total volume) x 100% D - Percentage of free water = (Volume of oil / Total volume) x 100% _______________________________________________

Question 7: A commonly used solvent in a water-cut (BS&W) testing procedure is:

A - Varsol B - Kerosene C - Gasoline D - Methanol _______________________________________________

Question 8: To break down a petroleum emulsion, the properties of the emulsifying agent must be:

A - Negated B - Destroyed C - Neutralized D - Both destroyed and neutralized _______________________________________________

Question 9: The theory that very small droplets formed in an emulsion are in constant motion is known as: A - Bernoulli's Principle B - Charles' Law C - Bohr Model D - Brownian Movement _______________________________________________

Question 10: In addition to the equipment used in the B S & W test, all of the following pieces of equipment are required to perform a bottle test except: A - A hydrometer B - One graduated 2 mL syringe C - Demulsifying compounds D - A water bath, with thermostatic control _______________________________________________

Question 11: One theory regarding the effect that chemical reagents have on emulsions assumes that the chemical makes the film of emulsifying agent elastic, around the water droplet, and causes the film to have a very high coefficient of expansion.

A - True B - False _______________________________________________

Question 12: When preparing a 2% solution of treating compound, a choice of solvent must be made. Although it has been used, kerosene is not recommended because:

A - It must be cut with up to 25% methanol B - In warm weather, it is too volatile C - A large number of demulsifying agents are insoluble in it D - In cold weather, the solution may crystallize _______________________________________________

Question 13: You apply a treatment to break up an emulsion. It causes the emulsion particles to line up along lines of force, allowing the water droplets to join together and settle out. The type of treatment you are using is: A - Radioactive B - Chemical C - Heat D - Electricity _______________________________________________

Question 14: When performing a bottle test, the sample should be:

A - Grabbed with the sample valve wide open in order to allow accumulated gas to escape B - As close as possible to lease conditions of agitation and heating C - Aged several hours before testing so the emulsion becomes more stable D - Caught from a sample point downstream of the point of chemical injection _______________________________________________

Question 15: When taking 0 to 10% BS&W samples with 100 mL centrifuge tubes, the water-cut is determined by:

A - Recording the reading from the tube with the highest reading B - Recording the difference in readings between the two tubes C - Adding the readings of both tubes together D - Recording the reading from the tube with the lowest reading

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Question 16:

After the bottle test has been made, the chemical pump is adjusted until it adds chemical in the ratio indicated by the bottle test. If the bottle test indicated one chemical to be added at the rate of 0.6 mL of 2% solution per 100 mL of emulsion, that has to be expressed in terms of litres of chemical and cubic metres of emulsion. In operating conditions at the lease, that ratio would equal:

A - 6 L of chemical per 100 m³ of emulsion

B - 12 L of chemical per 100 m³ of emulsion

C - 60 L of chemical per 100 m³ of emulsion

D - 1.2 L of chemical per 100 m³ of emulsion

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Question 17:

When performing a ratio test using a 2% solution on an emulsion sample from an operation where heating is normal, before the bottles are placed in the water bath, it is important to:

A - Allow time for the emulsion to settle

B - Check that the caps are securely tightened

C - Loosen the caps slightly

D - Wash the outside of the bottles to prevent contamination of the bath _______________________________________________

Question 18: In order to obtain accurate water-cut percentages, the sample inside the sample contain must not be shaken. A - True B - False _______________________________________________

Question 19: When electricity is used to treat emulsions, the electric field created causes the emulsion particles to: A - Lose their charge B - Dispersed in tiny droplets C - Be mutually attractive D - Be mutually repulsive _______________________________________________

Question 20: The most popular solvent used in the bottle test is:

A - None of the above B - Kerosene C - Xylol D - Benzene

Question 1:

The advantage offered by a "balanced/opposed" design in a heavy-duty, slow-speed gas compressor is that:

A - The compressor vibration is greatly reduced B - It is unnecessary to have equal numbers of compression cylinders on opposite sides of the crankshaft C - The design requires no drive motor D - There are no limitations on piston speed Correctness Rule: Single Correct Answer Required Answer(s) Given: A Correct Answer(s): A Marked as: Correct _______________________________________________

Question 2:

The classification of gas compressor best suited for high flow applications is the:

A - Rotary displacement B - Reciprocating C - Centrifugal D - Axial Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 3:

A major disadvantage of reciprocating compressors, compared to other designs is that they:

A - Are very limited in possible compression ratios B - Have a relatively low efficiency C - Have many moving parts, which means relatively high maintenance costs D - Do not develop very high discharge pressures Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 4:

A gas compressor that gives two compression strokes for every crank shaft revolution is the:

A - Single acting compressor B - Dynamic compressor C - Single cylinder, double-acting compressor D - Multicrank two cylinder configuration Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 5:

The terms "Y-type", "L-type", and "V-type" are used to describe:

A - Single crank compressors B - Opposed piston arrangements C - Multicrank compressors D - Horizontal compressor configurations Correctness Rule: Single Correct Answer Required Answer(s) Given: C Correct Answer(s): C Marked as: Correct _______________________________________________

Question 6: