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F & P Production Co., Inc. Patents |
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Assignee: F & P Production Co., Inc.
Address: Trent, TX
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4369839 |
Casing vacuum system |
January 25, 1983 |
| A casing vacuum system which applies a controlled vacuum to the space within the casing of an oil well in order to maintain the gas pressure in the well within a certain range and thereby improve the recovery of petroleum from the well. A preferred embodiment of the casing vacuum sys |
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