Ffracio yn ol newyddion y BBC
Wil
On 27/10/2011 15:26, Ann Corkett wrote:
> Unrhyw help:
>
> Hydraulic fracturing, often called fracking, fracing or hydrofracking, is
> the process of initiating and subsequently propagating a fracture in a rock
> layer, by means of a pressurized fluid, in order to release petroleum,
> natural gas, coal seam gas, or other substances for extraction. The
> fracturing, known colloquially as a frack job (or frac job), is done from a
> wellbore drilled into reservoir rock formations. The energy from the
> injection of a highly pressurized fluid, such as water, creates new channels
> in the rock which can increase the extraction rates and ultimate recovery of
> fossil fuels.
>
> o Wikipedia
>
> Ann
>
>
>
> -----Original Message-----
> From: Discussion of Welsh language technical terminology and vocabulary
> [mailto:[log in to unmask]] On Behalf Of Wyn Hobson
> Sent: 27 October 2011 15:24
> To: [log in to unmask]
> Subject: fracking
>
> Y broses o gloddio olew o siāl olew sy'n destun dadlau cyhoeddus ar raddfa
> ryngwladol ar hyn o bryd.
>
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