Sentences with phrase «percent leak rate»

Let's assume a 3 percent leak rate during shale gas production.

Then U.S. shale gas production could account for about 12 percent of the global methane increase over that time (it scales at approximately 4 percent of global increase per 1 percent leak rate).

Not exact matches

Between 2012 and 2013, ConocoPhillips» leak rate increased by 12 percent, according to ClimateWire's analysis.

He then examined how the world's temperatures would fare if that amount of gas leaked at rates of 1 percent every 10, 100, and 1,000 years.

That means the U.S. is likely leaking 2.25 percent, not 1.5 percent, of all the natural gas used, according to the new study, which helps explain why concentrations measured in the atmosphere keep rising above expected rates.

Results show the overall 90 - day rate of anastomotic leaks was 4.3 percent for all patients (4.8 percent in the NSAID group and 4.2 percent in the non-NSAID group).

Brain research raises the possibility of a very exotic future (this article assumes that such animals wouldn't be vicious or use their new - found smarts to drive other species to extinction) «Liberated» mice from Italian lab now housed in poor conditions Methane leaks of shale gas may undermine its climate benefits: If methane leak rates are more than 3 percent of output, fracking of shale gas formations may be boosting greenhouse gas emissions rather than lowering them.

Experts agree that methane leaked or vented from natural gas operations is a real concern, yet estimated emission rates vary greatly 3/4 from 1 to 8 percent of total production.

To put that number in context, a recent peer - reviewed study found that methane leaks from Texas» Barnett Shale, a field that produces 7 percent of the nation's natural gas, had an average leak rate of 65 tons per hour.

EPA estimates that natural gas systems leaked about 1.2 percent of the methane that passed through them in 2012, but many recent studies suggest the rate may be much greater, perhaps 3 to 10 percent.

It certainly doesn't sound that way, given the data released on the San Jose State project: According to reports leaked to Inside Higher Ed and The Chronicle of Higher Ed, students enrolled in the Udacity classes passed at rates between 29 and 51 percent, compared to a passing rate of 74 percent among students in traditional, in - person classes.

Samsung's Galaxy Gear is seeing return rates above 30 - percent, leaked internal documentation suggests, with claims the South Korean company is surveying Best Buy Samsung Experience staff to try to figure out how the smartwatch is falling short.

«The Galaxy Gear attachment rate within Best Buy is the highest among all channels» according to documents leaked to Geek, yet «the overall return rate is trending above 30 - percent.»