Mineral Resources of the United States Volume 1922, No. 2

Mineral Resources of the United States Volume 1922, No. 2

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1888 edition. Excerpt: ... the scope of this article will not admit of details, we may treat the underlying beds as if they were of uniform thickness throughout, and review them in the following order: "No. 1 has been shown to be thin at the north and to increase greatly in thickness as it is traced towards the southwest. North of a parallel passing through Brady's Bend it has produced neither oil nor gas in valuable quantities; but south of this--in the counties of Lawrence, Beaver, Washington, and Greene--where higher members of the Carboniferous series come in and the basal sands lie under sufficient cover, they are in some localities sporadically productive. In Lawrence and Beaver, oil of heavy gravity has been found in them; in Washington and Greene both heavy and light oils, and sometimes large outflows of gas without oil. But the total output of oil and gas from these Carboniferous rocks is very small as compared with that from deeper horizons. "No. 2, in its normal development in Venango, holds the Shenango sandstone near its top and the Pithole grit near its center, neither one of which has there produced either oil or gas in paying quantities. In the southern part of Butler county it takes in a new member--the Mountain limestone--which gradually increases in thickness towards the south. Here, also, it carries the Butler gas sand, possibly representing the Pithole grit of Venango county and the Berea grit of Ohio. This rock furnishes strong gas wells in some parts of Butler county, and has likewise produced gas in Allegheny county, but the wells have rather an ephemeral existence as compared with those sunk to deeper sands. The total output of oil and gas from the sand rocks in this group has been comparatively small. "No. 3, the Veuango oil-sand...show more

Product details

  • Paperback | 302 pages
  • 189 x 246 x 16mm | 544g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236621549
  • 9781236621542