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AssigneeOil & Gas Consultants International, Inc.
InventorsJames F. Brett, Joseph F. Goetz, Alan P. Roberts
Estimating the term…
Methods are provided for making use of an apparatus for generating vibrational energy in a borehole, the apparatus utilizes a mass and a rotary source for suspending the mass in a borehole or in casing in a borehole or in an instrument housing that may be positioned in an opened or cased borehole arranged to cause frictional contact with the surface of the rotating mass, the mass being rotatable about is rotational axis in one direction to cause it to backward whirl in the opposite direction, the centrifugal force of the whirling mass serving to generate vibrational energy that is used to obtain geophysical information as to the structure of the earth surrounding and adjacent to the borehole and for enhancing cementing and production enhancing techniques in oil or gas wells.
In an earth borehole having a tubular casing with a casing wall and a casing interior, said casing extending from the earth's surface into a producing formation and having perforations in the casing wall connecting between the producing formation and the casing interior, a method of improving communication between the interior of the casing and the producing formation, comprising:
In an earth borehole having a tubular casing extending from the earth's surface to a hydrocarbon bearing subterranean formation and in which activities are carried out interiorly and/or exteriorly of the casing in the vicinity of the subterranean formation to aid in the extraction of the hydrocarbons, which activities are of the type that are augmented by the application of vibrational energy, a method of supplying such vibrational energy comprising:
Dependencies are inferred from the claim text.