Table 2 Physical properties and chemical composition of the deep oil wells formation water containing sulfide ions used in this work.

From: Novel biphenylidene-thiopyrimidine derivatives as corrosion inhibitors for carbon-steel in oilfield produced water

Physical properties

Property

Unit

Value

Density

g/cm3

1.044

Turbidity

FAU

263

pH

 

7.66

Specific gravity

 

1.0050

Salinity as NaCl

ppm (mg/l)

24075

Iron

ppm

3.76

Total alkalinity

ppm

260

Total hardness

ppm

604

Temporary hardness

ppm

260

Permanent hardness

ppm

344

Conductivity

μS/cm

26220

Chemical properties

Ionic species

Unit

Value

Sodium & Potassium

ppm

1577

Calcium

ppm

168

Magnesium

ppm

45

Barium

ppm

0.13

Strontium

ppm

8.22

Chlorides

ppm

24720

Sulphate

ppm

577

Bicarbonates

ppm

317

Carbonates

ppm

35

T.D.S

ppm

7000

Barium Sulphate

ppm

0.2

Calcium Carbonate

ppm

260

Strontium

ppm

17

Calcium Sulphate

ppm

217

Magnesium Sulphate

ppm

233

Sod. & Pot. Chlorides

ppm

4448

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