At temperatures up to about 80° C, petroleum in subsurface reservoirs is often biologically
degraded, over geological timescales, by microorganisms that destroy hydrocarbons and …

Souring in oilfield systems is most commonly due to the action of sulfate-reducing
prokaryotes, a diverse group of anaerobic microorganisms that respire sulfate and produce …

Hydrogen stored on a large scale in porous rocks helps alleviate the main drawbacks of
intermittent renewable energy generation and will play a significant role as a fuel substitute …

Microorganisms that can form direct electrical connections with insoluble minerals,
electrodes, or other microorganisms can play an important role in some traditional as well as …

Methane is an important greenhouse gas and energy resource generated dominantly by
methanogens at low temperatures and through the breakdown of organic molecules at high …

The seabed is a diverse environment that ranges from the desert-like deep seafloor to the
rich oases that are present at seeps, vents, and food falls such as whales, wood or kelp. As …

Microorganisms in marine subsurface sediments substantially contribute to global biomass.
Sediments warmer than 40° C account for roughly half the marine sediment volume, but the …

A regional net erosion map for the greater Barents Sea shows that the different areas in the
Barents Sea region have been subject to different magnitudes of uplift and erosion. Net …

Biodegradation rates in oilfields have been assessed conservatively using whole oil-column
minimum rate estimates, diffusion-controlled oil column compositional gradient modelling …

Petrographic and organic geochemical analyses on solid reservoir bitumen from the Late
Precambrian to Early Cambrian Ara Group indicate polyphase thermal evolution in the …