NDLI: Effects of Physical Processes and Sampling Resolution on Fault Displacement Versus Length Scaling: The Case of the Cantarell Complex Oilfield, Gulf of Mexico

Content Provider	Springer Nature Link
Author	Xu, Shunshan Nieto Samaniego, Angel F. Murillo Muñetón, Gustavo Alaniz Álvarez, Susana A. Grajales Nishimura, José M. Velasquillo Martinez, Luis G.
Copyright Year	2015
Abstract	In this paper, we first review some factors that may alter the fault D max /L ratio and scaling relationship. The three main physical processes are documented as follows: (1) The D max /L ratio increases in an individual segmented fault, whereas it decreases in a fault array consisting of two or more fault segments. This effect occurs at any scale during fault growth and in any type of rock. (2) Vertical restriction decreases the D max /L ratio along the fault strike due to mechanical layers. (3) The D max /L ratio increases or decreases due to fault reactivation depending on the type of reactivation. Thus, using data from the normal faults of the Cantarell oilfield in the southern Gulf of Mexico, we document that the displacement (D max ) and length (L) show a weak correlation of linear or power-law scaling, with exponents that are much less than 1 (n ≈ 0.5). This scaling relation is due to the combination of the physical processes mentioned above, as well as sampling effects, such as technique resolution. These results indicate that sublinear scaling (n ≈ 0.5) can occur as a result of more than one physical process during faulting in a studied area. In addition to the physical processes associated with brittle deformation in the studied area, the sampling resolution dramatically affects the exponents of the D max –L scaling.
Starting Page	1125
Ending Page	1142
Page Count	18
File Format	PDF
ISSN	00334553
Journal	Pure and applied geophysics
Volume Number	173
Issue Number	4
e-ISSN	14209136
Language	English
Publisher	Springer International Publishing
Publisher Date	2015-09-25
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fault segmentation mechanical layering fault reactivation sublinear scaling Gulf of Mexico Geophysics/Geodesy
Content Type	Text
Resource Type	Article
Subject	Geochemistry and Petrology Geophysics

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