Michael J Gazewood

US Patent:

6375757, Apr 23, 2002

Filed:

Jan 18, 2001

Appl. No.:

09/766006

Inventors:

Michael J Gazewood - Scott LA

Assignee:

Thru-Tubing Technology, Inc. - Lafayette LA

International Classification:

B08B 900

US Classification:

134 24, 134 221, 134 2211, 134 2212, 134 2218

Abstract:

An apparatus for jetting a fluid within a tubular member. The apparatus may comprise a cylindrical member having an outer portion and an inner portion, an outer sleeve disposed about the cylindrical member forming an annulus area, and a venturi device for jetting the fluid against the inner diameter walls of the tubular string. The venturi device comprises a nozzle disposed within the cylindrical member and a throat formed within the outer sleeve. A recirculation port is formed on the outer sleeve for communicating the fluid from a second annulus area to a first annulus area adjacent the throat. Also disclosed is a method of cleaning a tubular string with a power medium. The method includes providing a wash apparatus concentrically positioned within the tubular string. The power medium may be a fluid or air. In the preferred embodiment, the power medium is a fluid.

US Patent:

7228896, Jun 12, 2007

Filed:

Jan 5, 2005

Appl. No.:

11/029872

Inventors:

Michael J. Gazewood - Scott LA, US

Assignee:

Core Laboratories LP - Houston TX

International Classification:

E21B 33/10

US Classification:

166123, 277336, 277339

Abstract:

A device for sealing and anchoring within a tubular member. The device comprises a top swage member disposed within the tubular member, with the top swage member having a longitudinal center of axis. Also included is a first sealing member disposed about the top swage member, with the first sealing member containing a first plurality of circumferential ribs disposed about the first sealing member. The device may also include a second sealing member that is attached to the first sealing member, with the second sealing member containing a second plurality of circumferential ribs disposed about the second sealing member. A bottom swage member is disposed within the second sealing member, with the bottom swage member having a longitudinal center of axis. The device further comprises a setting apparatus for driving the top swage longitudinally downward relative to the top swage's longitudinal center axis and for driving the bottom swage longitudinally upward relative to the bottom swage's center axis. In the preferred embodiment, the top swage member has a first cylindrical surface that extends to a second conical surface, and wherein the first cylindrical surface is disposed within the first sealing member.

US Patent:

7357183, Apr 15, 2008

Filed:

Sep 9, 2005

Appl. No.:

11/222647

Inventors:

Michael J. Gazewood - Hye TX, US

Assignee:

Venturi Oil Tools - Hye TX

International Classification:

E21B 31/06

US Classification:

166301, 166 98, 166 99

Abstract:

An apparatus and method for retrieving metal objects. The apparatus includes a housing with an inner part, with the housing having a first wall. The apparatus further includes a sleeve disposed within the housing, with the sleeve being constructed of a non-magnetic conduction material. A magnet is disposed within the sleeve, with the magnet having a north pole and a south pole. The apparatus further includes a container disposed within the sleeve, the container having a second wall. In the most preferred embodiment, the first wall defines a first pathway for magnetic lines of flux for the north pole of the magnet and wherein the second wall defines a second pathway for magnetic lines of flux for the south pole of the magnet so that a toroidal magnetic field is formed about the distal end of the sleeve.

US Patent:

7552766, Jun 30, 2009

Filed:

Jun 12, 2007

Appl. No.:

11/761840

Inventors:

Michael J. Gazewood - Scott LA, US

Assignee:

Owen Oil Tools LP - Houston TX

International Classification:

E21B 33/10

US Classification:

166123, 277336, 277339

Abstract:

A device for sealing and anchoring within a tubular member. The device comprises a top swage member disposed within the tubular member, with the top swage member having a longitudinal center of axis. Also included is a first sealing member disposed about the top swage member, with the first sealing member containing a first plurality of circumferential ribs disposed about the first sealing member, The device may also include a second sealing member that is attached to the first sealing member, with the second sealing member containing a second plurality of circumferential ribs disposed about the second sealing member. A bottom swage member is disposed within the second sealing member, with the bottom swage member having a longitudinal center of axis. The device further comprises a setting apparatus for driving the top swage longitudinally downward relative to the top swage's longitudinal center axis and for driving the bottom swage longitudinally upward relative to the bottom swage's center axis. In the preferred embodiment, the top swage member has a first cylindrical surface that extends to a second conical surface, and wherein the first cylindrical surface disposed within the first sealing member.

US Patent:

7650946, Jan 26, 2010

Filed:

Oct 31, 2006

Appl. No.:

11/590065

Inventors:

Michael J. Gazewood - Hye TX, US

Assignee:

Venturi Oil Tools, Inc. - Hye TX

International Classification:

E21B 23/00
E21B 17/04
E21B 17/06

US Classification:

166377, 1662426, 1662427

Abstract:

A disconnect apparatus and method for use in a well bore. The apparatus comprises a top sub having a collet, and wherein the top sub has an external seal surface. The apparatus further comprises a bottom sub having a bore, and wherein the external seal surface and the bore cooperate. The apparatus further includes a support piston disposed within the collet, wherein the support piston has a plurality of fins formed on an outer portion of the support piston, and shear device, operatively attached to the top sub and the support piston, for attaching and detaching the top sub from the support piston. In one preferred embodiment, the collet member comprises a plurality of fingers having a gap between each individual finger. Also, the plurality of fingers may have an external thread formed thereon that engage an internal thread formed on the bottom sub.

US Patent:

7789100, Sep 7, 2010

Filed:

Oct 19, 2007

Appl. No.:

11/975609

Inventors:

Michael J. Gazewood - Hye TX, US

Assignee:

Venturi Oil Tools, Inc. - Hye TX

International Classification:

F16K 17/14

US Classification:

137 6815, 285 2

Abstract:

A connection apparatus. The apparatus comprises a wing mandrel having a first check valve disposed within an inner bore of the wing mandrel, a thread mandrel abutting the wing mandrel, with the thread mandrel having outer threads and a second check valve disposed within an inner bore of the thread mandrel. The apparatus further comprises a latch dog carrier disposed about the wing mandrel and the thread mandrel, with the latch dog carrier having a plurality of dogs, wherein the dogs having an inner portion with threads and an outer portion with outer ribs. The apparatus further contains a shell partially disposed about the latch dog carrier, with the shell having inner ribs, and wherein the inner ribs of the shell engage the outer ribs of the dogs. The apparatus further comprises a hydraulic port configured to deliver hydraulic fluid to the latch dog carrier so that the shell moves relative to the latch dog carrier in order to disconnect. A method of releasing a union is also disclosed.

US Patent:

7836958, Nov 23, 2010

Filed:

Dec 10, 2009

Appl. No.:

12/634896

Inventors:

Michael J. Gazewood - Hye TX, US

International Classification:

E21B 23/00
E21B 17/04
E21B 17/06

US Classification:

166377, 1662426, 1662427

Abstract:

A disconnect apparatus and method for use in a well bore. The apparatus includes a top sub having a collet, and an external seal surface. The apparatus further includes a bottom sub having a bore. The external seal surface and the bore cooperate. The apparatus further includes a support piston disposed within the collet. The support piston has a plurality of fins formed on an outer portion thereof, and shear device, operatively attached to the top sub and the support piston, for attaching and detaching the top sub from the support piston. The collet member may include a plurality of fingers having a gap between each individual finger. The plurality of fingers may have an external thread formed thereon that engage an internal thread formed on the bottom sub.

US Patent:

20020030325, Mar 14, 2002

Filed:

Jul 3, 2001

Appl. No.:

09/898735

Inventors:

Michael Gazewood - Fort Worth TX, US

Assignee:

Thru-Tubing Technology, Inc.

International Classification:

E21B033/10

US Classification:

277/336000

Abstract:

A device for sealing and anchoring within a tubular member. The device comprises a top swage member disposed within the tubular member, with the top swage member having a longitudinal center of axis. Also included is a first sealing member disposed about the top swage member, with the first sealing member containing a first plurality of circumferential ribs disposed about the first sealing member. The device may also include a second sealing member that is attached to the first sealing member, with the second sealing member containing a second plurality of circumferential ribs disposed about the second sealing member. A bottom swage member is disposed within the second sealing member, with the bottom swage member having a longitudinal center of axis. The device further comprises a setting apparatus for driving the top swage longitudinally downward relative to the top swage's longitudinal center axis and for driving the bottom swage longitudinally upward relative to the bottom swage's center axis. In the preferred embodiment, the top swage member has a first cylindrical surface that extends to a second conical surface, and wherein the first cylindrical surface is disposed within the first sealing member. Additionally, the bottom swage member will have a first cylindrical surface that extends to a second conical surface, with the first cylindrical surface being disposed within the second sealing member. A method of anchoring and sealing a device within a tubular member is also included.