Sentence examples for formation factor for from inspiring English sources

Formation factor for shaly sands.

frac{1}{{R_{text{t}} }} = frac{{S_{text{w}}^{2} }}{{F^ R_{text{w}} }} + frac{{BQ_{text{v}} S_{text{w}} }}{{F^ (8 where (F^) is formation factor for shaly sands; Qv, effective concentration of clay counterions; B, equivalent conductance of clay counterions.

The variability over all samples leads to a combined σd in the range of 1.0 1.2, which is consistent with the distribution of independently determined formation factor measurements for similar Culebra samples.

In this paper, a new in situ method for obtaining the formation factor, which is essential for the matrix diffusion, is described and tested in intrusive igneous rock.

Subsequent potentiodynamic scans with intermittent impedance measurements allowed a quantitative determination of film formation factor and dielectric constant for each composition with a resolution of 0.5 at.%.

In addition, zero values for gas formation factor below ~5000 ft show that the production fluid is undersaturated from bottomhole to the depth of ~5000 ft.

Formation volume factor for oil and gas, respectively.

Labedi (1990) presented correlations for oil formation volume factor for African crude oils.

Al-Marhoun (1988) published correlations for estimating bubble point pressure and oil formation volume factor for the Middle East oils.

Dokla and Osman (1992) published a set of correlations for estimating bubble point pressure and oil formation volume factor for UAE crudes.

Gharbi and Elsharkawy (1997) published neural network models for estimating bubble point pressure and oil formation volume factor for Middle East crude oils.