Sentences with phrase «previously drilled wells»

Not exact matches

Dry hole in Norway: A drilling facility in the Norwegian waters of the North Sea is moving on to the frontier territory after coming up empty - handed on a wildcat well, one not previously known to hold reserves.

Oil, which still powers most of the world, is now more accessible in areas previously not thought to be good places to drill.

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.

Udall had also previously proposed a greater reliance on directional drilling, which limits the number of well pads that would dot portions of the Roan's landscape.

Florida's injection wells, for example, had been drilled into rock that was far more porous and fractured than scientists previously understood.

But a study published Monday adds to the growing evidence those escaping gases, called «fugitive» emissions, are numerous, especially methane emissions while a well is being drilled, a phase of well development previously thought to emit little if any methane.

A good drill to add into this mix is one that I've written about previously where you use a duck call to reinforce the sit command.

Using an airplane to detect greenhouse gas emissions from freshly drilled shale gas wells in Pennsylvania's Marcellus basin, Cornell and Purdue scientists have found that leaked methane is a tougher problem — between a hundred - and a thousandfold — than previously thought, according to a study published April 14 in the Proceedings of the National Academy of Sciences.

Modern hydraulic fracturing combined with horizontal drilling allows multiple wells to be drilled from one spot, reducing the size of the drilling area above ground by as much as 90 percent.4 Fracking is the key to unlocking vast U.S. shale resources, freeing up oil and natural gas that previously was inaccessible while protecting groundwater supplies and the environment.

In the Marcellus Gas Trend, wells drilled in January 2014 produced more than nine times as much gas per day of drilling rig time as those drilled five years previously, in January 2009.