Secondary porosity index
WebThe analysis of secondary porosity from electrical images was made in 4 wells distributed in the North, Center, and South of the structure, and covering all the producing formations. Fig. 6 Secondary and matrix porosity calculated from a borehole electrical image. Tracks: (1) Depth, (2) Shaded red is secondary porosity, shaded light blue is ... WebGlossary:Secondary porosity. Non intergranular porosity such as fractures, vugs, etc. that may contribute sharply to permeability but may not significantly raise the porosity level.
Secondary porosity index
Did you know?
WebSecondary porosity is the result of geological processes (diagenesis and catagenesis) after the deposition of sediment. The magnitude, shape, size, and interconnection of the pores … WebThis page is a translated version of the page Dictionary:Secondary-porosity index (SPI) and the translation is 100% complete. Una medida de la porosidad secundaria, frecuentemente atribuída a la presencia de fracturas o vugas, calculada a partir de valores de registros sónicos en conjunto con valores de registros de densidad o de neutrones.
Web2 Apr 2014 · Where ФS = sonic-derived porosity, Δtlog = interval transit time in the formation, Δtma = interval transit time in the matrix, Δtfl = interval transit time in the fluid in the formation, ФSch = apparent porosity of the shale point, and ФScor = corrected sonic porosity. Then, the secondary porosity index (SPI) can be estimated from the ... Web24 Jun 2015 · Acoustic porosity is a measure of the primary or intergranular (matrix) porosity. In dual-porosity reservoirs, the secondary porosity (e.g., isolated pores, vugs, …
WebSecondary dissolution pores, which are dominated by intergranular dissolution pores, intragranular dissolution pores, and microfractures, are the dominant storage spaces in … Web13 Sep 2024 · The Secondary Compression Index equation was developed for Korean soft marine clays (Suneel et al. 2008) and the same equation is used to estimate the …
Web'SPI - Secondary Porosity Index', All Acronyms, 7 January 2024, [accessed 7 January …
WebSecondary porosity can develop before the burial, after the burial, or as a result of other tectonic activity. Shrinkage of certain minerals creates fractures, and porosity increases. … fare az paymentsWebwhere I S2 is the secondary porosity index, SPI, i.e., ϕ t − ϕ SL, where ϕ t and ϕ SL are, respectively, the total porosity and the sonic log porosity. Figure 3.45 shows how to obtain m m from a plot of the cementation factor m versus SPI. h & m trucking omaha neWeb9 Nov 2024 · Fracture porosity, as determined using the secondary porosity index (see “Methods”), lies in a range between − 26 and 43% with a mean of − 3% (Fig. 14b), even if data classified as unreliable are excluded. However, excluding negative fracture porosity, the mean fracture porosity is 5%. hmt sancta maria meaningWebThe present research aims at characterizing the secondary porosity of the studied limestones into fracture and moldic (vuggy) types along with their amounts using only Vp, … h&m t-shirt langarm damenh&m trui dames blauwWeb11 Jul 2024 · The secondary porosity index (SPI) can be estimated b y subtracting sonic porosity from total porosity. This SPI This SPI is referred to the occurrence of vuggy and fracture porosities that are ... h&m triangel bikiniWebsecondary porosity index. 1. n. [Formation Evaluation] An indicator of the porosity that does not contribute to a sonic measurement of interval transit time. The transit time is little … h&m trapunta