This set of Petroleum Production Operations Multiple Choice Questions & Answers (MCQs) focuses on “Logging Devices”.
1. What is the benefit of using the Fullbore spinner?
a) Flow rate
b) Fluid Density
c) Fluid Viscosity
d) Water cut
View Answer
Explanation: Full bore spinner is used to measure the Flow rate of fluid coming into the wellbore from the formation. Initially when the tool is run through the tubing then spinner blades are opened up to measure the flow rate.
2. What is the benefit of using the Diverter Flowmeter?
a) Fluid Viscosity
b) Fluid Density
c) Fluid velocity
d) Water cut
View Answer
Explanation: Diverter Flowmeter is used to measure the in-situ Fluid flow velocity. It can be used in the production wells and in injection wells too, the Diverter Flowmeter can be used. In vertical and moderately deviated wells these Diverter Flowmeter can be used.
3. Which type of tools can be used to measure the density of the formation fluid at different depths?
a) The bulk density logging tool
b) Gradiomanometer Density tool
c) Neutron density logging tool
d) Formation density logging tool
View Answer
Explanation: Gradiomanometer Density tool can be used to measure the density of the formation fluid at different depths. It is a production logging tool. This tool measures the average density. It is a Schlumberger logging tool.
4. Which type of tools can be used to measure the density of the formation fluid?
a) Bulk density logging tool
b) Formation density logging tool
c) Neutron density logging tool
d) Nuclear Fluid Densimeter
View Answer
Explanation: Nuclear Fluid Densimeter can be used to measure the density of the formation fluid. This Nuclear Fluid Densimeter logging tool uses a radioactive source and a detector. It is used to detect the fluid density in a completed well.
5. Cesium source is used as a source in the Nuclear Fluid Densimeter.
a) True
b) False
View Answer
Explanation: The statement is true. Cesium source is used as a source in the Nuclear Fluid Densimeter. This Nuclear Fluid Densimeter logging tool uses a radioactive source and a detector. It is used to detect the fluid density in a completed well. This tool measures the fluid density of a completed well.
6. Temperature increases at the depth of perforation.
a) True
b) False
View Answer
Explanation: The statement is true. Temperature increases above the Geothermal Gradient at the depth of perforation. The flow meter response is also increased opposite to the perforation. Behind the casing, flow can also be recognized with the temperature and flow meter responses.
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