Integration of Seismic and Petrophysics to Characterize Reservoirs in “ALA” Oil Field, Niger Delta

Table 7

Average petrophysical parameters for ALA 01.

Sand unit	Net (ft)	Gross (ft)	Φ𝐸 (%)	𝑆𝑤 (%)	𝑆𝐻 (%)	𝑉sh (%)	NGR (%)	𝑆wirr (%)	BVW	𝑉hydt	𝑉rock	𝐾 (md)
G	25.25	57.50	—	39.20	60.80	37.70	43.90	—	—	—	—	—
F	12.00	64.50	—	28.50	71.50	16.50	95.70	—	—	—	—	—
E	17.50	134.50	—	29.80	70.20	12.30	98.00	—	—	—	—	—
D	52.00	482.00	—	21.30	78.70	28.20	79.80	—	—	—	—	—
C	37.00	117.00	—	22.00	88.00	17.00	61.80	—	—	—	—	—
A	71.00	114.50	—	15.60	84.40	29.10	62.40	—	—	—	—	—

Net (ft): net thickness, Gross (ft): gross thickness, Φ_𝐸 (%): effective porosity, 𝑆_𝑤 (%): water saturation, 𝑆_𝐻 (%): hydrocarbon saturation, 𝑉_sh (%): volume of shale, NGR (%): net-to-gross ratio, 𝑆_wirr (%): irreducible water saturation, BVW: bulk volume of water, 𝑉_hydt: bulk volume of hydrocarbon, 𝑉_rock: matrix volume, 𝐾 (md): permeability, and OWC: oil-water contact.