Hi Gail, you had asked what a devonian well was. I will give you a brief explanation, The Devonian Shale was formed from the mud of shallow seas that existed about 350 million years ago, during the Devonian period of the Paleozoic era. This shale is a very fine grained sedimentary rock which is easily breakable into thin parellel layers. Its a very soft rock but does not disinegrate when it becomes wet. These shales can contain natural gas when two thick black shale deposits sandwich a thinner layer of shale, these wells are commonly 3,000 to 5,000 foot deep. To sum it up for you its a gas well that will probally produce some oil also.