matrix porosity

matrix porosity

[′mā·triks pə′räs·əd·ē]
(geology)
Core-sample porosity determined from a small sample of the core, in contrast to total porosity, where the whole core is used.
References in periodicals archive ?
Although it generally has poor matrix porosity, it is fractured within the folds.
Logs and samples show that the entire Main Dolomite horizon is gas saturated with good fracture and matrix porosity.
06205 Table 2: Reservoir Model Data Property Value Matrix Porosity 0.
An argillaceous zone intercalated with sandstone layers between 4,800 m and 5,519 m and presenting a sandstone reservoir with a total thickness of 110 m with low matrix porosity (<5%).
Thus, the total oxide weight percentage also provides a measure of clay matrix porosity.
The related Asmari generally has poor matrix porosity.
The acquisition in the Grover Field complements our positions throughout the northern half of the DJ Basin giving us significant exposure in what we believe will be both the matrix porosity and naturally fractured areas of the Niobrara Shale," said Parker.
Soil porosity was classed as matrix porosity and structural porosity according to Dexter et al.
CSIRO, an agency of the Australian Government, reported matrix porosity over 12% and confirmed that InterOil's core porosity estimates are "conservative and reasonable.
A characteristic of the Asmari is that, although it generally has poor matrix porosity, it is fractured within the folds.
The wells included vertical and horizontal lateral wells in the Austin Chalk and vertical wells of varying depths in more common matrix porosity wells and the production varied in type and quality of oil, as well as, produced water.
However, the single porosity log, which was able to be run in the well (sonic log), only measures the matrix porosity and thus the resulting porosity determinations of 10% and 12% are probably too conservative.