These oilfields comprise closely spaced but highly compartmentalized ancient coral reefs buried about 6,000 feet below the ground
This involves acquisition, processing and appraisal of a range of different data by conducting various imaging techniques which can draw a 3D picture of what lies below the ground
. It includes five fields covering 2,895 sq km, the world's largest channel-count seismic survey ever done.
That's only logical, since the fracturing usually takes places a mile or more through many impervious layers of rock, below typical domestic water sources that are a few or a hundred feet below the ground
You can read your list at 30,000 feet or below the ground
in the subway on the way to work.
Before the demolition, experts set up 80 stainless-steel-wire-rope absorbers for the first time to avoid damaging nearby Subway Line 2 - located some 10-14 metres below the ground
The two sandstone bed zones are located 1,100 to 1,200 meters below the ground
and 2,400 to 3,000 meters below the ground
, respectively, as there are mudstones on the surface of each of the sandstone beds to seal CO2 and prevent it from emitting outside.
Among other topics, they address: the Klein-Gordon equation below the ground
state energy, above ground state energy I: Near Q, above the ground state energy II: moving away from Q, and further developments of the theory.
There are about 30 springs in the area and at Al-Ahsa clean potable water can be found a few meters below the ground
. Al-Ahsa has more than 10,000 hectares of arable land, for which concrete canals extending to more than 500 km were constructed.
Brazilian scientists have discovered an underground river some 4,000 feet below the ground
The quake's epicenter was nine miles east-northeast of the town of Nikiski and it was 30 miles below the ground
, according to tsunami program manager for Alaska, Cindi Preller.
started an industry using bacteria present well below the ground
surface (where there's an absence of light) to degrade hydrocarbon contamination.
It was lying some 4 feet below the ground
. The shell is one foot (30 cm) in length and carries a significant amount of explosives.