Joseph E Donovan, 763135 Cameo Ln SW, Cedar Rapids, IA 52404

5662170, Sep 2, 1997

Feb 29, 1996

8/608865

Joseph F. Donovan - Spring TX
Michael H. Johnson - Spring TX
Daniel J. Turick - Spring TX

Baker Hughes Incorporated - Houston TX

E21B 720

166358

A method and assembly for completing a well is disclosed. Generally, the method comprises the steps of positioning a stationary string in the well at a first position. The stationary string will have connected thereto a completion device for completing the well to a reservoir and a detachment apparatus for detaching the completion device from the stationary string. The method further comprises the steps of positioning a secondary string in the well, with the secondary string having a cooperating detachment apparatus for detaching the completion member from the stationary string. Next, the completion member is detached from the stationary string and attached to the secondary string, and the completion member is positioned at a second position which corresponds to a hydrocarbon zone. In one embodiment, the stationary string is a production tubing string, and the production tubing is attached to an isolation safety valve member for isolating the well from pressure.

4667735, May 26, 1987

Sep 10, 1984

6/648587

John V. Salerni - Kingwood TX
Joseph F. Donovan - Spring TX

Baker Oil Tools, Inc. - Orange CA

E21B 43117

166 551

A fluid pressure activated firing head for a perforating gun disposed in a subterranean well by a packer is provided with a column of clean fluid overlying and filling the bore of the firing head but communicating with the casing annulus above the set packer. A fluid passage is provided at the top of the conduit extending the clean fluid column through the packer, and the downwardly facing leg of the annular fluid passage is provided with a pressure transmitting seal to permit the entire fluid passage to be filled with clean fluid of a lighter density than the casing annulus fluids, thus insuring that casing annulus fluid can never enter the interior of the pressure activated firing head.

4708200, Nov 24, 1987

May 29, 1986

6/868653

John V. Salerni - Kingwood TX
Joseph F. Donovan - Spring TX

Baker Oil Tools, Inc. - Orange CA

E21B 43117

166 551

A fluid pressure activated firing head for a perforating gun disposed in a subterranean well by a packer is provided with a column of clean fluid overlying and filling the bore of the firing head but communicating with the casing annulus above the set packer. An annular fluid passage extends from the top of the clean fluid column through the set packer and ending in an inverted U-shaped annular passage. A pressure transmitting seal is mounted in the downwardly extending leg of the annular fluid passage to permit the entire fluid passage to be filled with clean fluid of a lighter density than the casing annulus fluids, thus insuring that casing annulus fluid can never enter the interior of the pressure activated firing head.

5327974, Jul 12, 1994

Oct 13, 1992

7/959626

Joseph F. Donovan - Spring TX
Michael J. Naquin - Youngsville LA

Baker Hughes Incorporated - Houston TX

E21B 4300

166311

The invention comprises a tool with at least one extending member which causes the fluids moving in the wellbore after perforation to increase in velocity. The velocity is further increased by an auxiliary flowpath which permits the addition of fluid from the surface or from elsewhere in the wellbore or formation to be pumped to mix with the other fluids being produced after perforation. The auxiliary fluid further increases velocity, thus improving the ability of the mixture of formation and auxiliary fluid to entrain debris and remove it from the wellbore.

4747201, May 31, 1988

Oct 3, 1986

6/914939

Joseph F. Donovan - Tomball TX
Gregg W. Stout - Montgomery TX
Phillip W. Schmuck - Spring TX

Baker Oil Tools, Inc. - Orange CA

B23P 1904

29433

A method and apparatus for effecting the assembly and arming a multisection perforating gun for a subterranean well. Each of the gun sections has a plurality of vertically and angularly spaced shaped charge containers disposed with the primer ends located in concentric fashion about the vertical axis of the gun, thus defining an axial passage communicating with the bores of hollow nipples which respectively effect securement of one gun section to the next adjacent gun section. In one modification, a continuous primer cord is stored on a reel below the lowermost gun section and is then pulled successively upwardly through each of the additional gun sections as they are assembled. In another modification, each of the gun sections is provided with a length of fusible guide tubing interposed between the inner primer ends of all of such shaped charges and the continuous length of primer cord is fed downwardly through the axial passage defined by such guide tubing. During assembly of the gun sections, they may be successively lowered into the well so that when assembly is complete, all of the shaped charges are below the well surface before the gun is armed by the attachment of the primer cord to a booster charge.

5076355, Dec 31, 1991

Dec 21, 1990

7/631626

Joseph F. Donovan - Spring TX
Michael J. Naquin - Kingwood TX

Baker Hughes Incorporated - Houston TX

E21B 43116

166 551

The invention features a perforating gun, with an external auger, which can be mounted to a tubing string. The auger facilitates removal of the gun after the sand is placed in the perforations. The perforating gun with external auger promotes the clean-up of the debris from the perforations after the gun is shot and facilitates the movement of the gun out of the sand. The sand can be spotted near the perforations without exposure to the formation of any kill fluids. The perforating gun with external auger need not be moved prior to admission of sand into the perforations. The assembly can be used so that preferred fluids, such as stimulating fluids, can be used to circulate the sand until the sand has been spotted adjacent the formation, whereupon the stimulating fluid is squeezed into the formation, leaving the sand in the perforations. The amount of fluid displaced into the formation is minimized and the selection of fluid helps to stimulate the subsequent flow during production.

RE34451, Nov 23, 1993

Sep 23, 1992

7/949735

Joseph F. Donovan - Houston TX
Michael J. Naquin - Youngsville LA

Baker Hughes Incorporated - Houston TX

E21B 43116

166 551

The invention features a perforating gun, with an external auger, which can be mounted to a tubing string. The auger facilitates removal of the gun after the sand is placed in the perforations. The perforating gun with external auger promotes the clean-up of the debris from the perforations after the gun is shot and facilitates the movement of the gun out of the sand. The sand can be spotted near the perforations without exposure to the formation of any kill fluids. The perforating gun with external auger need not be moved prior to admission of sand into the perforations. The assembly can be used so that preferred fluids, such as stimulating fluids, can be used to circulate the sand until the sand has been spotted adjacent the formation, whereupon the stimulating fluid is squeezed into the formation, leaving the sand in the perforations. The amount of fluid displaced into the formation is minimized and the selection of fluid helps to stimulate the subsequent flow during production.

5762149, Jun 9, 1998

Jun 6, 1995

8/469968

Joseph F. Donovan - Spring TX
Michael H. Johnson - Spring TX
Daniel J. Turick - Spring TX
Larry A. Watkins - Houston TX
Wallace W.F. Leung - Sherborn MA

Baker Hughes Incorporated - Houston TX

E21B 708

175 40

A system for producing a field is disclosed. The field includes a main access well with a first branch well extending therefrom. A separator for separating oil and water is placed in the first branch well. In an alternate embodiment, the separator may be contained within the main access well. A second branch well may also extend from the main access well and may contain a disposal assembly that is operatively associated with the separator. The first and second branch wells may intersect the same reservoir or different reservoirs.