. 2016 Nov 23;6:37363. doi: 10.1038/srep37363

Table 1. Materials used in this study.

Rock samples
Property/rock					Estaillades
Description					Upper Cretaceous limestone from France
Porosity					28% ±0.5
Permeability					0.13 Darcy ±0.02
Formation Factor (F)					12.92 ±0.5
Composition					97% calcite (CaCO₃), 3% magnesium
Dimensions					Length (L) = 0.0762 m, Diameter (D) = 0.0381 m
Brine samples (molar concentration)
	FMB	SW	20dSW	FdCa1	FdCa2	FdCa3	NaCa1	NaCa2	NaCa3
Ions
Na⁺	2	0.550	0.0275	2.840	3.218	3.259	1.959	1.581	0.741
Cl⁻	3.020	0.620	0.031	3.312	3.428	3.442	1.987	1.861	1.581
Ca²⁺	0.420	0.014	0.0007	0.140	0.014	0.0003	0.014	0.140	0.420
Mg²⁺	0.091	0.045	0.00225	0.091	0.091	0.091	0.00004	0.00004	0.00004
SO₄²⁻	0.002	0.024	0.0012	0.002	0.002	0.002	0.0002	0.0002	0.0002
Ionic strength	3.537	0.749	0.0375	3.537	3.537	3.537	2.001	2.001	2.001
pH	6.3	7.4	8.2	6.58	6.76	7.24	7.23	6.65	6.29
Oil samples
Oil Type	Acid Number (AN)			Base Number (BN)			Asphaltene, %
Oil A	0.15			0.8			0.05
Oil B	0.2			1.77			2.9
Oil C	0.05			0.4			0.1
Oil D	0.2			1.2			2.3