We offer services and studies based on natural gas geochemistry and geology for natural gas exploration, production, storage and related environmental implications.
We perform field surveys, offer interpretative services, training and research reports for:
identify biodegradation (undetectable by geophysical methods)
assess the presence of undesiderable gases (CO2, H2S, N2)
define reservoir compartmentalization
estimate source rock maturity
Exploration and Production
Gas Isotope Analysis in exploration and production wells provides fundamental information on the petroleum system
Microbial vs thermogenic gas origin
Maturity and depth of gas source
Gas potential
Timing of gas formation
Distribution of source rocks and their maturity
Distribution of oil vs. gas areas
Depth of source rock
Long distance migration
Storage
Monitoring Gas Dynamics in Gas Storage Facilities
Gas injection and withdrawal of pipeline gas
Quantification of displacement of native reservoir gas Monitoring of injection and withdrawal
Environment
Gas in soil and groundwater
The same surface techniques used for gas exploration can be applied to environmental investigations, such as:
Pipeline leaks
Monitoring of Landfill sites
Refuge repositories Sewage plants
Groundwater pollution
Leaks from horizontal wells
Leaks from Storage Facilities
Surface Casing Gas (SCG)
Abandoned wells as sources for methane pollution
Abandoned wells can release methane through casing leaks Surface analyses of soil gas can identify SCG
Fugitive Methane from Gas Storage Facilities
Identification of potential methane sources resulting from pressurisation and de-pressurisation of the storage reservoir during gas injection and withdrawal
Migration of methane into the formation waters
Diffusion of storage methane through the ‘impermeable’ caprock
Accumulation of methane in the upper aquifer
Potential groundwater pollution
Leakage of methane along development wells
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