Search results

..., each with characteristic and commonly differing [[sediment texture]]s, [[stratification type]]s, and [[bedding architecture]]s. Variability is compounded by postde ...flow|fluid flow]] patterns, [[drainage efficiency]] of the reservoir, and vertical and [[lateral]] [[Enhanced oil recovery|sweep efficiency]] of [[Waterfloodi

...E.J.; Faccini, U.F.; Scherer, C.M.S.; Araujo, L.M.; Cupertino, J.A. 1998. Sequence and stratigraphy hierarquy of the Paraná Basin (Ordovician to Cretaceous), Guara_03.jpg|{{figure number|3}}Vertical log and section showing the fluvial facies of Guará Formation northern por

...ences. From the standpoint of sand-body formation, the major environmental sequence consists of bay-fill deposits, which often form thin clastic wedges stacked ...in stacking of one bay fill on top of another, eventually building a thick sequence of lower delta-plain deposits.

...vidual sets are up to 1 m thick ([[:file:M31F2.jpg|Figure1A]]). This lower sequence of large-scale cross-bedding can attain thicknesses of up to 7 m. Small-sca ...ting the major characteristics of braided channel deposits (letters on the vertical section refer to core or outcrop photographs).<ref name=Colemanandprior_198

...core is perhaps the most diagnostic for sedimentological interpretation of vertical sequences (see [[Core description]]). However, wireline tools such as [[dip ...lithofacies associations for a meandering channel sequence. (The vertical sequence is modified from Walker.<ref name=pt06r147>Walker, R. G., ed., 1984, Facies

...diagenetic cementation tend to produce reservoir intervals with very poor vertical permeability. Nagtegaal<ref name=Nagtegaal_1979>Nagtegaal, P. J. C., 1979, ==Vertical permeability barriers in eolian sandstones==

...rlie the uppermost parts of the subaqueous delta, forming a complete delta sequence. .../sedimen1/data/a143/a143/0001/0050/0082.htm Delta building and the deltaic sequence]: in F. P. Shepard et al., eds., Recent sediments, northwest Gulf of Mexico

...ctions of flow, and reactions to injected fluids. Extreme [[permeability]] stratification or the development of permeability barriers by diagenetic alteration may le ...pages.com/data/bulletns/1982-83/data/pg/0066/0012/2500/2543.htm Diagenetic sequence related to structural history and petroleum accumulation: Spindle field, Co

...an be separated by mudstones. And the repeat of meander migration produces vertical stacking of fining upward succession in meandering river deposits. Many sed ...nowed lag deposits. All interdunes deposits are characterized by low angle stratification (<~10°). Dry interdunes or interdunes that are wet occasionally are more c

...210.</ref><ref name=WeimSon1989>Weimer, R. J., and S. A. Sonnenberg, 1989, Sequence stratigraphic analysis of Muddy (J) Sandstone Reservoir, Wattenberg Field, ...ists of 60%–80% sandstone and 20%–40% mudstone<ref name=MacK1971 />. Cross stratification is common in the sandstone beds. [[Mudstones]] are greenish gray to maroon.