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{{publication
| image = exploring-for-oil-and-gas-traps.png
| width = 120px
| series = Treatise in Petroleum Geology
| title = Exploring for Oil and Gas Traps
| part = Predicting the occurrence of oil and gas traps
| chapter = Applying gravity in petroleum exploration
| frompg = 15-1
| topg = 15-28
| author = David A. Chapin, Mark E. Ander
| link = http://archives.datapages.com/data/specpubs/beaumont/ch15/ch15.htm
| pdf =
| store = http://store.aapg.org/detail.aspx?id=545
| isbn = 0-89181-602-X
}}
Gravity offers significant applications to petroleum exploration. Gravity measurements are affected by changes in rock density. Surface gravity surveys and subsurface surveys made with a [[borehole gravity]] meter are effective in locating faults and geologic structures with density contrasts to their surroundings. The borehole gravity meter has broad application, from locating [[porosity]] in wildcats or through casing in old wells to monitoring fluid changes in productive reservoirs. This chapter discusses the traditional application of gravity, from surface surveys to the application of borehole gravity measurements.

==See also==
* [[Applying general gravity methods]]
* [[Applying borehole gravity methods]]

==External links==
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* [http://archives.datapages.com/data/specpubs/beaumont/ch15/ch15.htm Original content in Datapages]
* [http://store.aapg.org/detail.aspx?id=545 Find the book in the AAPG Store]

[[Category:Predicting the occurrence of oil and gas traps]]
[[Category:Applying gravity in petroleum exploration]]

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