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Yes! If we talk about easiness and cost, then other methods are inexpensive. But what the reflection seismology tells us, the gravity data or magnetic data doesn't tell us. Seismic data tells us about the contrast of majority of the geological layers and our interest is to find oil and gas in such layers. Gravity data doesn't tell us about such minute contrasts. It can tell us the difference in gravitational attraction of two different rocks of significant density contrast e.g. 3.0 (hard rock) to 2.5 gm/cc (soft rock). It is very useful tool to conduct a reconnaissance surveys. Like to know the deep crustal rocks in the areas of exploration, to get information of deep magnetic anomalies and so on. Therefore, seismic data is more refined, much better resolution up to 20meters rather than in killo meters (gravity/magnetic) and a better 3D subsurface image.
What else can I help you with?
What geophysical method is commonly applied in oil exploration?
Seismic reflection is commonly used in oil exploration to map subsurface geological structures and identify potential oil and gas reservoirs. This method involves sending seismic waves into the ground and recording the reflected waves to create images of the subsurface.
How does seismic waves determine the location of petroleum far beneath the surface?
Seismic waves help determine the location of petroleum by providing insight into the Earth's subsurface structures. When seismic waves are generated, they travel through different geological layers and reflect back to the surface. By analyzing the time it takes for these waves to return and their characteristics, geologists can infer the geological formations and identify potential reservoirs of petroleum. This technique allows for the mapping of oil and gas deposits without drilling, making it a crucial method in exploration geology.
What two processes can affect the path of seismic waves?
Seismic wave reflection and refraction are the two processes that can affect the path of seismic waves. Reflection occurs when seismic waves bounce off a boundary between different materials, while refraction occurs when seismic waves change direction as they pass from one material to another with different properties.
What are the principles of seismic stratigraphy?
Seismic stratigraphy is a geologic approach to the interpretation of seismic data, allowing their application based on physical stratigraphy. Primary seismic reflections parallel the surface and nonconforming surface of the strata.
How do we obtain petroleum and natural gas?
Petroleum and natural gas are obtained through a process called hydrocarbon exploration and extraction. This involves locating and drilling into geological formations that contain these fossil fuels, typically found in sedimentary rock layers. Once extracted, the hydrocarbons are transported to refineries, where they are processed into usable products. Techniques such as seismic surveys and drilling technologies are employed to enhance the efficiency of exploration and extraction.
Which geographical method is commonly applied in oil exploration?
reflection seismic technique
What has the author Terry R Bruns written?
Terry R. Bruns has written: 'Multichannel seismic-reflection profiles collected in 1978 in the eastern Gulf of Alaska' -- subject(s): Seismology, Seismic reflection method 'Petroleum geology and hydrocarbon plays of the Gulf of Alaska onshore province' -- subject(s): Petroleum
What has the author M T Meyer written?
M. T. Meyer has written: 'Results of the application of seismic-reflection and electromagnetic techniques for near-surface hydrogeologic and environmental investigations at Fort Bragg, North Carolina' -- subject(s): Hydrogeology, Ground penetrating radar, Seismic reflection method, Seismic profiling, Deep continental structure, Geophysical profiling
How is seismic stratigraphy used to identify petroleum source rock?
facies analysiswith the help of facies analysis we can easily identify the petrolem source rock. for each llithology the seismic wave give different reflection pattern and in case presence of a fine grained rock it will give different reflection which is not similar to adjacent lithology because of facies changes.
What geophysical method is commonly applied in oil exploration?
Seismic reflection is commonly used in oil exploration to map subsurface geological structures and identify potential oil and gas reservoirs. This method involves sending seismic waves into the ground and recording the reflected waves to create images of the subsurface.
What is it called when a seismic wave bounces backward as it reaches a boundary?
Answer: When a seismic wave 'bounces backward' and reaches a boundary, it is called Reflection. Explanation: The seismic waves are the result of the landslides, earthquakes, volcanic eruptions, explosions by humans
How does seismic waves determine the location of petroleum far beneath the surface?
Seismic waves help determine the location of petroleum by providing insight into the Earth's subsurface structures. When seismic waves are generated, they travel through different geological layers and reflect back to the surface. By analyzing the time it takes for these waves to return and their characteristics, geologists can infer the geological formations and identify potential reservoirs of petroleum. This technique allows for the mapping of oil and gas deposits without drilling, making it a crucial method in exploration geology.
What has the author Ralph B Tolson written?
Ralph B. Tolson has written: 'Multichannel seismic-reflection data from the southern Chukchi Sea' -- subject(s): Seismic prospecting, Seismic reflection method
What two processes can affect the path of seismic waves?
Seismic wave reflection and refraction are the two processes that can affect the path of seismic waves. Reflection occurs when seismic waves bounce off a boundary between different materials, while refraction occurs when seismic waves change direction as they pass from one material to another with different properties.
What are the principles of seismic stratigraphy?
Seismic stratigraphy is a geologic approach to the interpretation of seismic data, allowing their application based on physical stratigraphy. Primary seismic reflections parallel the surface and nonconforming surface of the strata.
What has the author P G McMahon written?
P. G. McMahon has written: 'Reflection seismic coverage of onshore and nearshore Nova Scotia, 1942-1987' -- subject(s): Nova Scotia, Seismic prospecting, Seismic reflection method
What is petrolum surveyor?
A petroleum surveyor is a professional who specializes in assessing and evaluating oil and gas reserves, typically for exploration and production purposes. They utilize various techniques, including geological mapping, seismic analysis, and drilling data interpretation, to determine the potential yield and viability of petroleum resources. Their work is crucial for energy companies in making informed decisions about exploration and investment in oil and gas projects.
