... still the rock contains an abundance of oil, for when a gas-pump is now attached to the casing-head to further relieve it of atmospheric pressure, the effect is quickly apparent, in an increase of both gas and oil. If the gas-pump be a good one we... Bulletin1910Πλήρης προβολή - Σχετικά με αυτό το βιβλίο
| Geological Survey of Pennsylvania - 1880 - 602 σελίδες
...gas and oil. If the gas-pump be a good one we have by this means, in effect, added from 10 to 12 Ihs. pressure to the oil in the rock by relieving the gas...a vacuum gauge may show a downward pressure of 13 fts. to the square inch, the rock contains oil, as is proven by the manner in which it is further acted... | |
| John Franklin Carll - 1880 - 666 σελίδες
...gas and oil. If the gas-pump be a good one we have by this means, in effect, added from 10 to 12 fts. pressure to the oil in the rock by relieving the gas...a vacuum gauge may show a downward pressure of 13 fts. to the square inch, the rock contains oil, as is proven by the manner in which it is further acted... | |
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