Question 18:When performing normal well testing, surface tubing pressure readings may be taken by a: D - Deadweight tester

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Question 19:

During an LGR test on a well there are normally two high-pressure gas samples, two high-pressure H.C. condensate samples and two high-pressure _________ samples taken.
D - water

Question 10:

Where a number of wells are producing from a single pool to a battery, certain requirements must be met to ensure measurement accuracy guidelines set by government energy boards. This is important because royalties are paid on the:
A - Prorated oil volumes to each producing well
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Question 20:

In the oil battery illustrated below, where would the actual production of oil be measured for the three wells?

D - F

Question 1:

The standard temperature for all gravity readings of crude oil in the petroleum industry is:
B - 15.5°C
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Question 2:

Based on the relationship described in the formula: Relative Density = , calculate the API gravity of a sample with a relative density of 0.8723.The answer is:
C - 30.7° API
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Question 3:

Using the formula: Relative Density = , calculate the relative density of a sample that has an API gravity of 34.1°.

The answer is:
D - 0.8544
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Question 4:

For a sample where the relative density is 0.8540, calculate the API gravity of the sample.

Use the formula: Relative Density =
A - 34.2° API

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Question 5:

Heating is used as an aid to treating. As a rule, heating will assist the settling or chemical action up to a certain temperature, after which heat is wasted. If the initial boiling point of the lighter fractions of the crude is exceeded during treating, a definite loss in gravity takes place.
A - True
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Question 6:

To allow for the capillary or "wetting" effect caused by the meniscus, it is customary to subtract an arbitrary ________ from the reading when reading the mark on the hydrometer.
A - 0.1° API
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Question 7:

The Antor Par Unit is a type of:
C - Density meter
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Question 8:

To make sure that the sample is well mixed, it is recommended that the sample be shaken rapidly before pouring it into the hydrometer cylinder.
B – False

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Question 9:

Why is it important to ensure that the thermometer is in the center of the hydrometer jar when taking a temperature reading?
A - because the temperature of the oil near the edges is cooler
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Question 10:

When performing API gravity tests it is considered good practice:
C - To mix the sample by gently reversing (inverting) the sample container a few times

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Question 11:

Use the API Correction to 15°C (60°F) table to determine the actual gravity corrected to 15.5°C of a sample where the observed gravity is 33.3° API and the observed temperature is 13.9°C (57°F). The actual gravity of the sample when corrected to 15.5°C is:

B - 33.5° API

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Question 12:

Because temperatures are usually read in whole numbers, but gravities are read to the nearest 0.1° API, interpolations sometimes are required. According to the ASTM and API publications, when the observed gravity ends in 1, 2, 3, 4 or 5 tenths of a degree API, The first step in determining the corrected value at 15.5°C is to:
D - Find the degrees API at 15.5°C corresponding to the observed gravity, disregarding the tenths of a degree

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Question 13:

When taking a reading with a hydrometer, the line made by the top of the oil is slightly higher than the general surface of the oil due to the upward curve of the surface near the hydrometer. When recording the reading, it is customary to account for this curve in the surface of the oil by subtracting:
D - 0.1° API from the reading

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Question 14:The crude oil at a site is 30° API before it is subjected to heat during the treating cycle. The gravity following heating is 28.5° so you have lost 1.5°. Consult the Percent Loss by Volume vs. Gravity Loss in degrees API graph to determine the answer. D - 3.3 % volume loss

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Question 15:

Use the API correction to 15°C (60°F) table (Table 1A) to determine the actual gravity corrected to 15.5°C of a sample where the observed gravity is 33.7° API and the observed temperature 9.4°C (48.9°F) the actual gravity of the sample when corrected to 15.5°C is:
B - 34.5° API

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Question 16:

Use the API correction to 15°C (60°F) table (Table 1A) to determine the actual gravity corrected to 15.5°C of a sample where the observed gravity is 32.4° API and the observed temperature 13.6°C (56.5°F) the actual gravity of the sample when corrected to 15.5°C is:

A - 32.7° API

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Question 17:

The thinning of crude oil when heated has been observed by all people in production work, however, the warm, thin oil will give the same gravity reading on the hydrometer when it has been cooled. The only difference will be the temperature of the oil.
B – False

Question 18:

The ASTM method of taking gravities specifies that all of the more volatile oils be cooled before the sample is poured from the sample container into the hydrometer cylinder to at least:
D - 18°C

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Question 19:

The crude oil at a site is 35° API before it is subjected to heat during the treating process. The gravity following heating is 33° API resulting in a 2° API loss. Utilizing the percent loss by volume vs. gravity loss in degrees API graph, determine the % volume loss:

Дата добавления: 2015-11-14