Sentences with phrase «natural gas wells»

It shows potential as an environmentally friendly material for capturing carbon from natural gas wells and industrial plants.

An interesting thing to note is that the city has more than 100 natural gas wells within its borders.

An interesting thing to note is that the city has more than 100 natural gas wells within its borders.

Chesapeake suspended completion of natural gas wells in Pennsylvania for three weeks after a well blowout on April 19 sent thousands of gallons of drilling fluid spewing into the surrounding area and into local waterways.

Also: Methane emissions from hydraulically fractured natural gas wells declined 79 percent from 2005 to 2013, EPA found.

The company used reduced emissions completions in only 29 percent of natural gas wells in the United States, the filing said.

Environmental controls designed to prevent leaks of methane from newly drilled natural gas wells are effective, a study has found — but emissions from existing wells in production are much higher than previously believed.

Last week saw the publication of an important scientific study on methane emissions at natural gas well sites — a study that should help inform our public policy debates about hydraulic fracturing.

As EID noted each time, the studies contained a number of flaws (several conceded by the authors), including a lack of baseline data, the decision not to randomly sample wells, and the presence of high levels of methane in lots of water wells residing nowhere near natural gas wells.

The letter to the Environmental Protection Agency from Attorney General Scott Pruitt of Oklahoma carried a blunt accusation: Federal regulators were grossly overestimating the amount of air pollution caused by energy companies drilling new natural gas wells in his state.

Local regulatory requirements may not help: for instance, although the researchers discovered methane contamination at homes within 1,000 meters of active natural gas wells, the Pennsylvania Department of Environmental Protection only holds drilling companies responsible for drinking water within 305 meters.

The study team hopes its measurements of liquid unloadings and pneumatic devices will provide a clearer picture of methane emissions from natural gas well sites and about the relationship between well characteristics and emissions.

There, he founded Paramount Resources, in 1978, and focused on an overlooked part of the energy market: low - productivity natural gas wells.

It would acquire natural gas wells to hedge against a spike in gas prices (unnecessary, as it turned out).

He says Chesapeake Energy, which drilled four natural gas wells on his land, is cheating Continue Reading

They looked at more than 2,300 samples from 234 natural gas wells during mud gas logging, and 67 private groundwater supplies prior to natural gas development occurring nearby in a five county area.

Methane escapes from natural gas wells even before fracking, according to new direct measurements from flying over in an airplane

At the same time, the researchers found no evidence that either the chemicals in fracking fluids or the natural contamination in deep waters were polluting relatively shallow water wells in the vicinity of the deep natural gas wells.

One promising way to do that was recently tested on a string of more than a dozen natural gas wells in the heart of the Texas oil fields.

Robert Howarth, an ecologist and evolutionary biologist, and Anthony Ingraffea, a civil and environmental engineer, reported that fracked wells leak 40 to 60 percent more methane than conventional natural gas wells.

Thousands of natural gas wells dot the landscape there, along with the compressors that get the gaseous fuel ready to travel through pipelines.

The Aliso Canyon natural gas well blowout, first reported on Oct. 23, 2015, released over 100,000 tons of the powerful greenhouse gas methane before the well was sealed on Feb. 11, according to the first study of the accident published today in the journal Science.

To determine emissions rates at natural gas fields in Pennsylvania's Marcellus shale gas fields, the researchers used emissions data gathered from an airplane that flew over natural gas wells in southwest Pennsylvania in June 2012, some of which were in the process of being drilled.

The study shows that during drilling, as much as 34 grams of methane per second were spewing into the air from seven natural gas well pads in southwest Pennsylvania — up to 1,000 times the EPA estimate for methane emissions during drilling, Purdue atmospheric chemistry professor and study lead author Paul Shepson said in a statement.

February 19, 2016 • Residents are returning to the Los Angeles community of Porter Ranch now that the leaking natural gas well there has been capped.

In «Conclusions,» the author writes, «These results suggest that natural gas wells close to pregnant mothers» residences increased LBW by 25 %, increased small for gestational age by 17 % and reduced 5 minute APGAR scores, when compared to pregnant mothers» residences that are close to a future well (permit).»

It was reported in July 2013 that Exxon Mobil subsidiary XTO Energy Inc., «signed a consent decree filed in U.S. Middle District Court in which it has agreed to pay a $ 100,000 Environmental Protection Agency civil penalty» for an llegal discharge of fluids from a Marcellus Shale natural gas well site in Lycoming County, Pennsylvania.

As fracking spurs the proliferation of natural gas wells around the U.S., water - related issues will continue to impact water quantity and quality for both ground and surface water.

According to the Natural Gas Annual, gross withdrawals from shale gas wells increased from 5 Bcf / d in 2007 to 33 Bcf / d in 2013, representing 40 % of total natural gas production, and surpassing production from nonshale natural gas wells.

As Bryce points out, shale natural gas wells deplete at a very fast rate: «The new shale gas wells... have steep decline curves, meaning that output from some wells may fall by 80 to 90 percent during the first year of production.»

Flares from newly completed natural gas wells paint an arresting image — a controlled test burn - off of initial gas.

They're emissions from fracked natural gas wells are down 79 percent since 2005, according to EPA.

The birds died from exposure to natural gas well reserve pits and waste water storage facilities at Exxon Mobil drilling and production facilities in Colorado, Kansas, Oklahoma, Texas and Wyoming between 2004 and 2009.

A new study finds that just a few natural gas wells account for more than half of the total volume of leaked methane gas in the United States.

Natural gas wells represent a significant source of U.S. greenhouse gas (GHG) emissions, as many of them leak methane, which is more than 20 times more potent than carbon dioxide.

To what extent might fracking - associated earth tremors rupture natural gas well seals or caps, increasing the potential for water - well and indoor air pollution?

Early industries important to Charleston included salt and the first natural gas well.

Since 2005, emissions from field production of natural gas have dropped 38 percent, and emissions from hydraulically fractured natural gas wells have plunged 79 percent.

And epidemiologists have found an increased rate of heart defects in babies whose mothers live near natural gas wells, including fracking sites.

The number of new natural gas wells drilled each year in the United States has skyrocketed, from 17,500 in 2000 to a peak of more than 33,000 in 2008.

The best way to test this would be to install several groundwater monitoring wells at various depths and monitor them before, during and after drilling natural gas wells.

By measuring the ratio of radioactive carbon present in the methane contamination, however, the researchers determined that in drinking water wells near active natural gas wells, the methane was old and therefore fossil natural gas from the Marcellus Shale, rather than more freshly produced methane.

Methane leaks at natural gas wells are another major contributor to climate change.

But natural gas consists predominately of methane, so even small leaks from natural gas wells can create large climate concerns because methane is a potent greenhouse gas — it's about 30 times more effective at trapping solar heat than carbon dioxide over a 100 - year period.