Search results

...cies analysis|Seismic facies]] maps show the areal distribution of seismic facies and are useful when making [[lithofacies]] interpretations. The most common The steps below outlines a suggested procedure for mapping seismic facies.

==Productive facies== ...ine on a marine ramp. The main producing carbonate facies (vuggy packstone facies) is shoal deposits of fossiliferous, peloidal, ''Ortonella''-bearing nodula

...ow accommodation space changes which help us identify sequence and systems tracts. # Estimate sequences and systems tracts from the interpreted lithofacies using regional [[cross section]]s with wel

...ying each cycle phase of a depositional sequence and mapping the contained facies provides a paleogeographic map for a relatively short time interval. Such h ...ne–Pleistocene, Gulf of Mexico, in Weimer, P., Link, M., H., eds., Seismic Facies and Sedimentary Processes of Submarine Fans and Turbidite Systems: New York

...64, p. 1158–1178.</ref> presents an excellent review of trap types within facies-cycle wedges, which are related to transgressive-regressive cycles and can ...potential for focused [[migration]] of hydrocarbon fluids to the reservoir facies.<ref name=ch04r69>Mitchum, R., M., Jr., 1985, Seismic stratigraphic express

...the paleogeography at the level of a depositional sequence or a [[Systems tracts and trap types|systems tract]]? ...or-stratigraphic-traps_fig21-34.png|300px|thumb|{{figure number|1}}Seismic facies map and corresponding paleogeographic map of the Middle Miocene Taranaki ba

...onal, or retrogradational patterns]] within sets. Make isopachs of systems tracts using parasequence sets and their correlation surfaces. # Map [[paleogeography]] and facies tracts through time using systems tract maps; use core and log data to infer shore

...s of seismic parameters within [[third-order sequences]] and their systems tracts in order to determine [[lateral]] [[lithofacies]] and fluid type changes.<r ...ng_2013>Zeng, Hongliu, 2013, Frequency-dependent seismic-stratigraphic and facies interpretation: AAPG Bulletin, v. 97, no. 2, p. 201–221, DOI:[http://arch

..., Cores and Outcrops: Concepts for High-Resolution Correlation of Time and Facies: [http://store.aapg.org/detail.aspx?id=1196 AAPG Methods in Exploration Ser # Identify potential seal- and reservoir-quality rocks using seismic facies and [[lithofacies]] shown on maps and cross sections.

| chapter = Petroleum Source Rocks and Organic Facies ...se facies are often associated with prograding facies of highstand systems tracts.

==Parasequence sets or systems tracts== ==Interpreting parasequence facies deposition==

...m flooding surface represents the greatest transgression of shallow marine facies within a sequence.<ref name=ch04r68 /> This is typically associated with a ...e across the shelf.<ref name=ch04r68 /> Above this surface, shallow marine facies shift landward dramatically.

...ce patterns provide regionally applicable criteria for recognizing systems tracts within a depositional sequence. Upward-increasing fossil abundance suggests ...ob alt'' depositional cycle into the mapping intervals for slope and basin facies. The upper and lower data correlate with locally significant condensed sect

...fication|depositional sequences]], [[Systems_tracts_and_trap_types|systems tracts]], and/or [[Hierarchy of sequences|parasequence]]s. Recognizing these corre # Divide the sedimentary section into depositional sequences, systems tracts, and parasequences using the following:

| chapter = Petroleum Source Rocks and Organic Facies ...larger "mappable" scale requires a geological interpretation. To apply any facies concept, a geologist must (1) determine the scale at which variations are i

...ted environment. Biofacies are especially useful in [[mudstone]]-dominated facies such as the GOM basin [[Cenozoic]] strata. ...e–Pleistocene, Gulf of Mexico, in P. Weimer, and M. H. Link, eds., Seismic Facies and Sedimentary Processes of Submarine Fans and Turbidite Systems: New York

One aspect of basin analysis focuses on mapping specific systems tracts of third-, fourth-, or fifth-order sea level cycles and the relationship th ...ne–Pleistocene, Gulf of Mexico, in Weimer, P., Link, M., H., eds., Seismic Facies and Sedimentary Processes of Submarine Fans and Turbidite Systems: New York

...significant volumes of sand into the basin, depositing potential reservoir facies. Transgressive phases of siliciclastic deposition are likely to deposit reg ...sediments forming broad coastal plains with potential sandstone reservoir facies.

...p]]s are more commonly associated with a particular [[Depositional systems tracts|depositional systems tract]]. Identifying the [[Sea_level_cycle_phase_and_s [[file:Systems_Tracts.jpg|thumb|400px|Systems tracts: Highstand, transgressive, and lowstand. Modified from Vail.<ref name=ch04r

...ces, and downlap surfaces—subdivide the third-order sequences into systems tracts and parasequences. ...not by subaerial erosion due to stream rejuvenation or basinward shift in facies”.<ref name=ch21r45>Van Wagoner, J. C., 1995, [http://archives.datapages.c

...ematic [[cross section]] of a third-order sequence and its various systems tracts. ...}Schematic cross section of a third-order sequence and its various systems tracts. Copyright: Hyne;<ref>Hyne, N. J., 1995, Sequence stratigraphy: a new look

.../wiki.seg.org/wiki/Dictionary:Lowstand_system_tract_(LST) lowstand] system tracts. Climatic conditions of an area are likely to be arid when a platform inter * [[Carbonate facies]]

[[Sequence stratigraphy]] is the study of genetically related facies within a framework of [http://www.stratigraphy.org/upload/bak/chron.htm chr * Paleoenvironmental control for [[Systems tracts and trap types|systems tract]] interpretations

...ne–Pleistocene, Gulf of Mexico, in Weimer, P., Link, M., H., eds., Seismic Facies and Sedimentary Processes of Submarine Fans and Turbidite Systems: New York ...d R. E. Dunay, 1993, Log-motive analysis of Paleogene depositional systems tracts, central and northern North Sea: Defined by sequence stratigraphic analysis

.... L Schaffer, 1990, Sequence stratigraphy of Plio–Pleistocene depositional facies in the offshore Louisiana south additions: Gulf Coast Assoc. of Geological ...ne–Pleistocene, Gulf of Mexico, in P. Weimer, and M. H. Lin, eds., Seismic Facies and Sedimentary Processes of Submarine Fans and Turbidite Systems: New York

| chapter = Petroleum Source Rocks and Organic Facies ...constituents. Other kerogen types (and therefore their equivalent organic facies) are frequently mixtures of macerals. Microscopy is the method of choice fo

* seismic facies http://wiki.seg.org/wiki/Dictionary:Seismic_facies * systems tracts Definitions_of_depositional_system_elements#Systems_tracts|

| chapter = Carbonate reservoir models: facies, diagenesis, and flow characterization ...s the pore size distribution and controls the productivity of depositional facies. In some cases, [[reservoir quality]] and flow characteristics are totally

...uintuco Formation, carbonate platform facies; Vaca Muerta Formation, slope facies and high TOC.<ref name=Galeazzi>Galeazzi, S., F. Pose, & A. Gangui, 2014, E Three main facies has been determined in El Trapial area to describe Vaca Muerta Formation.

...in identifying change in sea level and the associated surfaces and systems tracts, as discussed below. ...facies. A non-marine – shallow marine deposits will overlay deeper marine facies. Biostratigraphic record will show an abrupt change in biostratigraphic ass

...]] or [[Definitions of depositional system elements#Systems tracts|systems tracts]] through time, known as the [[stratigraphic architecture]] of the basin.<r Basic data requirements for [[facies analysis]] of subsurface rocks are listed in Table 1. Data associated with

| Distributary channel sands commonly the highest permeability facies association in deltas || Can be the most productive intervals in a delta || ...ious types of delta can often be recognized on isochore, net-sand, and log-facies maps.<ref name=Colemanandwright_1975>Coleman, J. M., and L. D. Wright, 1975

Clinoform surfaces control aspects of facies architecture within shallow-marine parasequences and can also act as barrie ...clinoforms in models of shallow-marine reservoirs to properly characterize facies architecture and volumes of hydrocarbons in place.<ref name=Sch09 /> Under

The succession of facies in the Rio Ivaí Supersequence documents the first transgressive-regressive The Bauru Group corresponds to systems tracts deposits of a semi-arid environment formed by [[alluvial]] fans. Sand sheet

...ohn, F. R., 1985b, Controls on development of Catskill delta complex basis facies, in D. W. Woodrow and W. D. Sevon, eds., The Catskill delta: Geological Soc ...rted the presence and enrichment of eolian silt grains in the organic-rich facies of the Oatka Creek and directly related this to a decrease in carbonate and

..., R. F. Solis Iriate, and D. A. Johns, 1990, Regional depositional systems tracts, paleogeography, and sequence stratigraphy, Upper Pennsylvanian and Lower P ...ceous and basin-floor sediments were deposited. These silica-rich, organic facies increased from the basin margin into the basin ([[:file:M125-WestTexas-Figu