William Todd Mccormick

US Patent:

46257993, Dec 2, 1986

Filed:

Jun 19, 1985

Appl. No.:

6/746313

Inventors:

William H. McCormick - Plano TX
Charles C. Cobb - Lewisville TX

Assignee:

Otis Engineering Corporation - Carrollton TX

International Classification:

E21B 3700

US Classification:

166223

Abstract:

An apparatus for pressurized cleaning of flow conductors. The apparatus utilizes a control slot formed in a zig-zag pattern and a pin which travels in the slot. The slot and pin assist in indexingly rotating the nozzle section of the apparatus when the apparatus is reciprocated in alternate directions in the flow conductor. Pressurized cleaning fluid is supplied to the apparatus and is directed radially outward through nozzles against the flow conductor in such a manner as to progressively clean the flow conductor as the nozzle section rotatively indexes. Another set of nozzles may be included, if desired, in the lower end of the apparatus to allow cleaning along the longitudinal axis.

US Patent:

52440460, Sep 14, 1993

Filed:

Aug 28, 1992

Appl. No.:

7/937484

Inventors:

Malcolm N. Council - Richardson TX
William H. McCormick - Plano TX

Assignee:

Otis Engineering Corporation - Dallas TX

International Classification:

E21B 3300

US Classification:

166380

Abstract:

A coiled tubing service unit and method for oil and gas wells including a string of components extending above ground in coaxial alignment with said well and including an injector for injecting coiled tubing into the well and a sealing unit for preventing the flow of pressurized oil and gas from the well. The sealing unit is adapted to be disconnected from the string of components and removed from the coaxial alignment to permit a relatively large-diameter tool assembly to be inserted therein. The sealing unit can then be repositioned and connected in the string of components and the coiled tubing can be reinserted into the string, connected to the tool and driven into the well.

US Patent:

47812508, Nov 1, 1988

Filed:

Dec 14, 1987

Appl. No.:

7/132777

Inventors:

William H. McCormick - Plano TX
Charles C. Cobb - Lewisville TX
Malcolm N. Council - Richardson TX

Assignee:

Otis Engineering Corp. - Dallas TX

International Classification:

E21B 3700

US Classification:

166240

Abstract:

Apparatus for pressurized cleaning of flow conductors. The apparatus has a first mandrel and a second mandrel telescoped therein. A cleaning tool can be attached to the second mandrel. Changes in fluid pressure flowing through the mandrels will cause the second mandrel to rotate relative to the first mandrel. Rotation is used to direct fluid jets in the cleaning tool towards different portions of the interior of the flow conductor. Rotation of the cleaning tool can also be used for hydraulic drilling of deposits within the flow conductor.

Author:

William F. McCormick

ISBN #:

0721616860

Author:

William F. McCormick

ISBN #:

0721616763

Author:

William F. McCormick

ISBN #:

0721616836

Author:

William F. McCormick

ISBN #:

0721617085

Author:

William F. McCormick

ISBN #:

0721658962

Author:

William F. McCormick

ISBN #:

0838522696

Author:

William F. McCormick

ISBN #:

0874880467