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Class Information
Number: 166/177.1
Name: Wells > Sonic device
Description: Apparatus wherein acoustic energy is used for agitating, fracturing or vibrating.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7584783 |
Surface activated downhole spark-gap tool |
Sep. 8, 2009 |
| 7578359 |
Downhole acoustic source |
Aug. 25, 2009 |
| 7322431 |
Advanced ultrasonic processor |
Jan. 29, 2008 |
| 7216706 |
Annular isolators for tubulars in wellbores |
May. 15, 2007 |
| 7195069 |
Method and apparatus for backing off a tubular member from a wellbore |
Mar. 27, 2007 |
| 7063144 |
Acoustic well recovery method and device |
Jun. 20, 2006 |
| 7059403 |
Electroacoustic method and device for stimulation of mass transfer processes for enhanced well recovery |
Jun. 13, 2006 |
| 6899175 |
Method and apparatus for seismic stimulation of fluid-bearing formations |
May. 31, 2005 |
| 6877566 |
Method and apparatus for causing pressure variations in a wellbore |
Apr. 12, 2005 |
| 6814141 |
Method for improving oil recovery by delivering vibrational energy in a well fracture |
Nov. 9, 2004 |
| 6496448 |
Transducer receiving voltage inputs, such as square waves, rich in harmonics |
Dec. 17, 2002 |
| 6467542 |
Method for resonant vibration stimulation of fluid-bearing formations |
Oct. 22, 2002 |
| 6390191 |
Method for stimulating hydrocarbon production |
May. 21, 2002 |
| 6015010 |
Dual tubing pump for stimulation of oil-bearing formations |
Jan. 18, 2000 |
| 6012521 |
Downhole pressure wave generator and method for use thereof |
Jan. 11, 2000 |
| 5826653 |
Phased array approach to retrieve gases, liquids, or solids from subaqueous geologic or man-made formations |
Oct. 27, 1998 |
| 5586602 |
Method and apparatus for shock wave stimulation of an oil-bearing formation |
Dec. 24, 1996 |
| 5460223 |
Method and system for oil recovery |
Oct. 24, 1995 |
| 5396955 |
Method to selectively affect permeability in a reservoir to control fluid flow |
Mar. 14, 1995 |
| 5351754 |
Apparatus and method to cause fatigue failure of subterranean formations |
Oct. 4, 1994 |
| 5234056 |
Sonic method and apparatus for freeing a stuck drill string |
Aug. 10, 1993 |
| 5109922 |
Ultrasonic energy producing device for an oil well |
May. 5, 1992 |
| 4945986 |
Constant head pump for sonic wave generator used in treating subsurface formations |
Aug. 7, 1990 |
| 4736794 |
Method for the sonic cementing of down hole well casings |
Apr. 12, 1988 |
| 4679627 |
Method of oil recovery |
Jul. 14, 1987 |
| 4674571 |
Method and apparatus for improving oil production in oil wells |
Jun. 23, 1987 |
| 4653587 |
Method and apparatus for the sonic cementing of wells in porous formations |
Mar. 31, 1987 |
| 4640360 |
Sonic cementing |
Feb. 3, 1987 |
| 4621688 |
Clamping jaw device for well servicing machine |
Nov. 11, 1986 |
| 4574888 |
Method and apparatus for removing stuck portions of a drill string |
Mar. 11, 1986 |
| 4544031 |
Sonic apparatus for augmenting fluid flow from fluid-bearing strata employing sonic fracturing of such strata |
Oct. 1, 1985 |
| 4512401 |
Method for forming a cement annulus for a well |
Apr. 23, 1985 |
| 4471838 |
Sonic method and apparatus for augmenting fluid flow from fluid-bearing strata employing sonic fracturing of such strata |
Sep. 18, 1984 |
| 4429743 |
Well servicing system employing sonic energy transmitted down the pipe string |
Feb. 7, 1984 |
| 4366988 |
Sonic apparatus and method for slurry well bore mining and production |
Jan. 4, 1983 |
| 4342364 |
Apparatus and method for coupling sonic energy to the bore hole wall of an oil well to facilitate oil production |
Aug. 3, 1982 |
| 4323119 |
Vibratory apparatus for mining shale oil or the like |
Apr. 6, 1982 |
| 4299279 |
Apparatus for sonically extracting oil well liners |
Nov. 10, 1981 |
| 4236580 |
Method and apparatus for sonically extracting oil well liners |
Dec. 2, 1980 |
| 4169503 |
Apparatus for generating a shock wave in a well hole |
Oct. 2, 1979 |
| 4164978 |
Oil extraction method |
Aug. 21, 1979 |
| 4074758 |
Extraction method and apparatus |
Feb. 21, 1978 |
| 4049053 |
Recovery of hydrocarbons from partially exhausted oil wells by mechanical wave heating |
Sep. 20, 1977 |
| 3990512 |
Method and system for ultrasonic oil recovery |
Nov. 9, 1976 |
| 3981624 |
Sonic or energy wave generator and modulator |
Sep. 21, 1976 |
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