Not exact matches
SAGD involves removing bitumen (a thick form of
crude oil) from the ground by injecting steam into an
oil sands
reservoir and pumping the
oil and water mixture to the surface.
Gains in Texas
crude oil production come primarily from unconventional tight
oil and shale
reservoirs in the Eagle Ford Shale in the Western Gulf Basin and the Permian Basin in West Texas.
Typically,
oil extractions focus on big
oil reservoirs in bedrock from which the
crude oil is pumped out.
It is expected to take another two months for BP to reach this depth, which is just above the
oil reservoir, a subsurface pool of
crude and natural gas sandwiched between layers of rock.
There, the researchers say, vast
reservoirs of
crude oil and hydrocarbons were tucked beneath a shallow sea, waiting to be set ablaze.
A breach in ExxonMobil's Pegasus
crude oil pipeline occurred late Friday afternoon near Mayflower, AR (about 20 miles north northwest of Little Rock and at the southwestern end of the Lake Conway
reservoir).
An international team of researchers has shown how anaerobic microbes in
oil deposits around the world — including in unconventional sources such as the
oil sands — naturally break down
crude oil into methane in the
reservoir.
The only offsetting positive is where the CO2 can be piped to an
oil field and injected for EOR (it reduces the in situ
crude viscosity, enabling more of the in place resource to be recovered over time, depending on many geophysical details like
crude API and
reservoir porosity, permeability, wetability, and saturation.)
In the
oil industry, some underground
crude contains natural gas that is entrained in the
oil at high
reservoir pressures.
Crude oil development and production in U.S.
oil reservoirs can include up to three distinct phases: primary, secondary, and tertiary (or enhanced)...