Qbb 3053 - Practical Lab Test

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QBB3053
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Quizzes Created: 1 | Total Attempts: 133
| Attempts: 133 | Questions: 8
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1. How many streamers were used in the acquisition?

Explanation

The correct answer is 8. This suggests that there were 8 streamers used in the acquisition process.

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About This Quiz
Qbb 3053 - Practical Lab Test - Quiz


Dear Students,
This test is dedicated for Practical Lab Test.
I will open this link from 9 PM to 1 AM, Thursday, 18th August 2016
Please fill in your correct... see morename & ID based on the pdf file given to me for your group members.
"PLEASE DO NOT CHEAT by entering fake ID. Failed to do so, I will deduct 20 marks across the board"
Good luck for your test.
Luluan Almanna Lubis see less

2. Choose the incorrect statement: What is the importance of knowing the seismic header information?

Explanation

The given answer is incorrect because the seismic header information does not provide amplitude anomalies of the seismic section. The header primarily provides information such as the location of the seismic survey, the number of streamers used, and the coordinate system used. Amplitude anomalies are typically analyzed and interpreted from the seismic data itself, not from the header information.

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3. What is the coordinate system used in this survey?

Explanation

The UTM (Universal Transverse Mercator) system is used in this survey. UTM divides the Earth into 60 zones, each spanning 6 degrees of longitude. It provides a coordinate system that is widely used for mapping and surveying purposes, allowing accurate and consistent measurements to be made across different locations.

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4. Identify the phase and polarity of the seismic section

Explanation

The seismic section is described as having zero phase, which means that the seismic waves are in perfect alignment with the source wavelet. This allows for easier interpretation of the seismic data. The polarity is described as American, which refers to the convention of representing positive amplitudes as upward deflections on a seismic trace. This is in contrast to European polarity, where positive amplitudes are represented as downward deflections.

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5. The seismic section below is located in offshore Sabah. Identify what is the type of DHI you can identified in these images?

Explanation

A flat spot is a type of direct hydrocarbon indicator (DHI) that can be identified in seismic sections. It appears as a relatively horizontal, continuous reflection that is caused by the presence of a hydrocarbon accumulation. The flat spot occurs due to the contrast in acoustic impedance between the hydrocarbon-filled reservoir and the surrounding rock layers. This results in a distinct, flat reflection on the seismic data. The presence of a flat spot can indicate the potential presence of hydrocarbons and is often used as a target for exploration and drilling activities.

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6. How many geophones were used in the acquisition?

Explanation

The correct answer is 480. This suggests that 480 geophones were used in the acquisition process.

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7. Choose the correct statement: Provide a workflow (step(s)) to import the seismic data from segy to zgy format?

Explanation

The correct answer is "Data loading by assigning the correct byte location -> choose the correct UTM based on the seismic header -> realize the data to zgy format". This answer suggests that the process of importing seismic data from segy to zgy format involves loading the data by assigning the correct byte location, selecting the appropriate UTM (Universal Transverse Mercator) based on the seismic header, and then converting the data to the zgy format.

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8. Provide a workflow sequences to create a horizon from seismic section.
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How many streamers were used in the acquisition?
Choose the incorrect statement: What is the importance of knowing the...
What is the coordinate system used in this survey?
Identify the phase and polarity of the seismic section
The seismic section below is located in offshore Sabah. Identify what...
How many geophones were used in the acquisition?
Choose the correct statement: Provide a workflow (step(s)) to import...
Provide a workflow sequences to create a horizon from seismic section.
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