Sentences with phrase «by deep injection»

20 February 2018 — Wastewater created during oil and gas production and disposed of by deep injection into underlying rock layers is the probable cause for a surge in earthquakes in southern Kansas since 2013, a new report in the Bulletin of the Seismological Society of America concludes.

Wastewater created during oil and gas production and disposed of by deep injection into underlying rock layers is the probable cause for a surge in earthquakes in southern Kansas since 2013, a new report in the Bulletin of the Seismological Society of America concludes.

Not exact matches

Geoscientists have known for decades that the injection of fluid can increase pressures within the pores of deep rock formations, pushing faults that are already critically stressed by forces in Earth's crust past the snapping point.

While most scientists agree that the surge has been triggered by the injection of wastewater from oil and gas production into deep wells, some have suggested these quakes are natural, arising from faults in the crust that move on their own every so often.

As the team reported here on 12 December at a meeting of the American Geophysical Union, the acidity near the corrals plunged by more than 1.0 pH units, to 6.5 and below — far more extreme than the reduction of 0.1 to 0.3 units forecast for a program of gradual deep - sea CO2 injection.

(Deeper reserves must be forced to the surface by an injection of pressurized steam, with even greater emissions; about 40 percent of Canadian oil from the sands is produced this way.)

When injection wells intersect with fracked wells and abandoned wells, the combined effect is that many of the natural protections assumed to be provided by deep underground geology no longer exist.

According to data provided by states to the EPA, deep well operators have been caught exceeding injection pressure limits more than 1,100 times since 2008.

The collection wells and trenches are designed to remove contaminated ground water by drainage or active pumping and the injection wells are designed to flush the alluvial aquifer with clean water from deeper wells.

Its body may look like the product of a brief love affair between Ford and Lexus, but the handling talent hidden deep inside is true and rare, and the kick provided by the new, direct - injection supercharged V - 8 peels tarmac like a dragster.

Deep puncture wounds and seriously infected paws need systemic antibiotics given orally or by injection.

DIROBAN should be administered by deep intramuscular injection in the lumbar (epaxial) muscles (L3 — L5) ONLY.

It is given by deep muscular injection because it causes severe inflammation.

They said it was «very likely» that several thousand weak to moderate earthquakes in recent years were triggered by deep - earth injection of water extracted from the ground as thousands of wells have been drilled into shale oil and gas deposits.

Texas has many deep underground injection wells, regulated by the U.S. Environmental Protection Agency, where companies dispose of the salty and chemical - and mineral - laden shale wastewater.