IT2 offers a variety of stable isotope techniques applicable for those working in the oil and gas industry. These techniques can be used for a variety of applications and sample types, important for those working in the energy sector.

Included below are some of the common analyses carried out at IT2 for our oil and gas clients. Please visit the analytical service list for a complete list of services offered, and sample size requirements. Contact us for further information on analyses listed here or additional analyses not listed below.

 

Sample Type Methods of Analysis Sample Type Method of Analysis
Liquid Samples  Liquid Samples
δ37Cl
Dissolved chloride
Gas chromatography continuous flow isotope ratio mass spectrometry (GC-IRMS) δ81Br
Dissolved bromide
Gas chromatography continuous flow isotope ratio mass spectrometry (GC-IRMS)
87Sr/86Sr
Dissolved strontium
Thermal ionization mass spectrometry δ2H- H2O and/or δ18O- H2O
Hydrogen and/or oxygen of water samples with low organic matter content
Cavity ring down spectroscopy
δ2H- H2O and/or δ18O- H2O
Hydrogen and/or oxygen of water samples with high organic matter content
34S: Elemental analysis isotope ratio mass spectrometry (EA – IRMS)

18O: high temperature conversion elemental analysis isotope ratio mass spectrometry (TC/EA -IRMS)

δ34S-SO4 and/or δ18O-SO4
Sulfates in aqueous samples

34S: Elemental analysis – gas chromatography isotope ratio mass spectrometry (EA- GC-IRMS)

18O: Gas chromatography continuous flow isotope ratio mass spectrometry (GC-IRMS)

3H – H2O
Tritium of water samples
(direct, enriched by electrolysis, and ultra-low level)
Liquid scintillation counting (LSC) δ13C- DIC/ δ 13C- DOC
Dissolved inorganic and organic carbon
Continuous flow isotope ratio mass spectrometry (CF-IRMS)
δ11B
Boron
Thermal ionization mass spectrometer set to measure negative ions. 14C- DIC
Dissolved inorganic carbon
Accelerator mass spectrometry (AMS)
Solid Samples  Solid Samples
δ37Cl
Solid materials (i.e. salts, rocks)
Gas chromatography continuous flow isotope ratio mass spectrometry (GC-IRMS) δ81Br
Solid materials (i.e. salts, rocks)
Gas chromatography continuous flow isotope ratio mass spectrometry (GC-IRMS)
87Sr/86Sr
Solid materials (i.e. minerals, biological samples)
Thermal ionization mass spectrometry δ34S-SO4 and/or δ18O-SO4
δ34S-S2
Sulfates in solid samples
34S: Elemental analysis – gas chromatography isotope ratio mass spectrometry (EA- GC-IRMS)

18O: Gas chromatography continuous flow isotope ratio mass spectrometry (GC-IRMS)

Organic Samples Organic Samples
δ2H and/or δ13C
Hydrocarbon gases (e.g. Methane, Ethane, Propane)
 Gas chromatography continuous flow isotope ratio mass spectrometry (GC-IRMS) δ2H and/or δ13C
BTEX (benzene, toluene, ethylbenzene, and xylenes) and chlorinated solvents
Gas chromatography continuous flow isotope ratio mass spectrometry (GC-IRMS)
δ37Cl
Chlorinated solvents (TCE, PCE, DCE, DCA, VC)
Gas chromatography continuous flow isotope ratio mass spectrometry (GC-IRMS)