Difference between revisions of "Potential fields"
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* Basin shape and depth | * Basin shape and depth | ||
− | * Constraints on diapiric origin of modeling structural geometry and depth | + | * Constraints on [[Diapir|diapiric]] origin of modeling structural geometry and structure at depth |
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| Magnetic | | Magnetic | ||
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− | * Depth to basement | + | * Depth to [[basement]] |
* Basement fault trends and fault block boundaries | * Basement fault trends and fault block boundaries | ||
|- | |- | ||
| Magnetotelluric | | Magnetotelluric | ||
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− | * Thick-skinned vs. thin-skinned deformation | + | * [[Thick-skinned tectonics|Thick-skinned]] vs. [[Thin-skinned tectonics|thin-skinned deformation]] |
− | * Amount of section below regional decollement | + | * Amount of section below regional [[decollement]] |
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Revision as of 20:39, 30 June 2014
Exploring for Oil and Gas Traps | |
Series | Treatise in Petroleum Geology |
---|---|
Part | Predicting the occurrence of oil and gas traps |
Chapter | Exploring for structural traps |
Author | R.A. Nelson, T.L. Patton, S. Serra |
Link | Web page |
Store | AAPG Store |
Information provided
The following table indicates the information provided by the three kinds of potential fields.
Field | Information Provided |
---|---|
Gravity |
|
Magnetic |
|
Magnetotelluric |
|
How to get it
Various scale regional gravity and magnetic surveys can be obtained from the following sources:
- Existing surveys (both ground and airborne acquired) from contractors
- Contractor-acquired data along seismic lines during seismic surveys
- Purchased surveys from government sources in the U.S. and overseas
Where to use it
Such data are extremely useful in extensional and rift terranes and as a guide in planning subsequent seismic surveys.
Examples of use
- Nettleton, L., L., 1971, Elementary gravity and [[magnetics]] for geologists and seismologists: Society of Exploration Geophysicists Monograph Series 1, 121 p.
- Billings, A., J., Thomas, J., H., 1990, The use and limitations of non-seismic geophysics in the Papuan thrust belt, in Carman, G., J., Carman, Z., eds., Petroleum Exploration in Papua New Guinea: Proceedings of the First Papua New Guinea Petroleum Convention, Port Moresby, p. 51–62.
- Christopherson, K., R., 1990, Applications of magnetotellurics to petroleum exploration in Papua New Guinea, in Carman, G., J., Carman, Z., eds., Petroleum exploration in Papua New Guinea: Proceedings of the First Papua New Guinea Petroleum Convention, Port Moresby, p. 63–71.
See also
- Frontier reconnaissance techniques and tools
- Plate tectonic studies
- Remote sensing
- Regional maps and cross sections
- Structural geology fieldwork
- Natural analogs