MANUEL A GONZALEZ, JR
Electrician at Navajo St, Corpus Christi, TX

License number

Texas 353781

Expiration Date

Dec 9, 2016

Professional information

Selectively Releasable And Reengagable Expansion Joint For Subterranean Well Tubing Strings

US Patent:

4778008, Oct 18, 1988

Filed:

Mar 5, 1987

Appl. No.:

7/022098

Inventors:

Manuel E. Gonzalez - Corpus Christi TX
William D. Moody - Corpus Christi TX
Richard P. Rubbo - The Woodlands TX

Assignee:

Exxon Production Research Company - Houston TX
Baker Oil Tools, Inc. - Houston TX

International Classification:

E21B 1706, E21B 1707, F16L 2712

US Classification:

166387

Abstract:

The invention provides an apparatus for limiting tension produced in a tubular string extending from a packer set in a subterranean well to the well surface. Such apparatus comprises a receptacle secured to the packer and defining an elongated seal bore, and a mandrel telescopically and sealably related to the seal bore, the mandrel being connected to the bottom end of the tubing string. In one embodiment, a collet, incorporated in the receptacle for cooperating with an abutment formed on the mandrel, thereby securing the mandrel and the receptacle in a telescopically contracted position until sufficient tensile force is exerted on the mandrel to cause the collet arms to be expanded by the abutment to permit upward movement of the mandrel relative to the receptacle.

Select Fire Well Perforator System And Method Of Operation

US Patent:

4656944, Apr 14, 1987

Filed:

Dec 6, 1985

Appl. No.:

6/805688

Inventors:

Manuel E. Gonzalez - Corpus Christi TX

Assignee:

Exxon Production Research Co. - Houston TX

International Classification:

F42B 300

US Classification:

102312

Abstract:

A well perforator system and method employs an electromagnetic wave frequency receiver, one for each of at least two gun intervals, that receives a transmitted signal conveyed through well tubing from the earth's surface. The signal is converted to an electrical pulse which detonates a blasting cap and fires the gun perforators. Each gun interval is a separate system with different activating frequencies and each is separately activated to assure that all the intervals are fired. A timer may be used to activate the electromagnetic wave receiver after the gun is in the well to prevent accidental surface firing of the guns from stray sources of electromagnetic waves. Once in the well, only the transmitted pulses are able to detonate the guns. Once the last interval is fired, a wave frequency-activated gun above the uppermost gun interval is detonated with circulation shots to penetrate only the tubing. This creates an instant, intense pressure drop across the perforations to help in cleanup.