1
Bradley L Todd, Phillip M Starr, Loren C Swor, Kenneth L Schwendemann, Trinidad Munoz Jr: Biodegradable downhole tools. Halliburton Energy Services, John W Wustenberg, Conley Rose P C, April 8, 2008: US07353879 (187 worldwide citation)

A disposable downhole tool or a component thereof comprises an effective amount of biodegradable material such that the tool or the component thereof desirably decomposes when exposed to a wellbore environment. In an embodiment, the biodegradable material comprises a degradable polymer. The biodegra ...


2
Bradley L Todd, Rajesh K Saini, Loren C Swor, Phillip M Starr: One-time use composite tool formed of fibers and a biodegradable resin. Halliburton Energy Services, John W Wustenberg, Baker Botts L, August 22, 2006: US07093664 (182 worldwide citation)

The present invention is directed to disposable composite downhole tool formed of a resin-coated fiber. The fiber is formed of a degradable polymer, such as a poly(lactide) or polyanhydride. The resin is formed of the same degradable polymer as the fiber. It chemically bonds to the fiber, thereby ma ...


3
Philip M Starr, Loren C Swor, Don S Folds: Dissolvable downhole tools. Halliburton Energy Services, John W Wustenberg, Conley Rose P C, January 30, 2007: US07168494 (156 worldwide citation)

A disposable downhole tool comprises a material that dissolves when exposed to a chemical solution, an ultraviolet light, a nuclear source, or a combination thereof. In an embodiment, the material comprises an epoxy resin, a fiberglass, or a combination thereof. In another embodiment, the material c ...


4
Anthony M Badalamenti, Simon Turton, Karl W Blanchard, Ronald R Faul, Michael G Crowder, Henry E Rogers, James E Griffith, B Raghava Reddy: Casing shoes and methods of reverse-circulation cementing of casing. Halliburton Energy Services, John W Wustenberg, Baker Botts L, January 29, 2008: US07322412 (151 worldwide citation)

A method having the following steps: running a circulation valve comprising a reactive material into the well bore on the casing; reverse-circulating an activator material in the well bore until the activator material contacts the reactive material of the circulation valve; reconfiguring the circula ...


5
Steven G Streich, James C Tucker, James R Birchak, Paul F Rodney, Neal G Skinner: Apparatus and method for removing a frangible rupture disc or other frangible device from a wellbore casing. Halliburton Energy Services, John W Wustenberg, Neal R Kennedy, June 4, 2002: US06397950 (114 worldwide citation)

An apparatus and method for removing a frangible rupture disc or other frangible device from a wellbore casing. The casing has a special casing section defining a plurality of holes therethrough. Rupturable glass ceramic discs or inserts are disposed in the holes and retained therein. The glass cera ...


6
Kevin T Berscheidt, Donald R Smith, Lee Wayne Stepp, Don S Folds, Gregory W Vargus: Frac plug with caged ball. Halliburton Energy Services, John W Wustenberg, Anthony L Rahhal, December 10, 2002: US06491116 (108 worldwide citation)

A downhole tool for sealing a wellbore. The downhole tool includes a packer with a ball seat defined therein. A sealing ball is carried with the packer into the well. The movement of the sealing ball away from the ball seat is limited by a ball cage which is attached to the upper end of the packer. ...


7
Phillip M Starr, Loren C Swor, Kenneth L Schwendemann: Disposable downhole tool with segmented compression element and method. Halliburton Energy Services, John W Wustenberg, Baker Botts L, May 1, 2007: US07210533 (102 worldwide citation)

A disposable downhole tool includes an elongated body and a compression element. The compression element is disposed about the elongated body. The compression element includes at least one preconfigured division at disposal of the disposable downhole tool.


8
Loyd East Jr: Methods and devices for treating multiple-interval well bores. Halliburton Energy Services, John W Wustenberg, Baker Botts, August 18, 2009: US07575062 (99 worldwide citation)

Methods and devices are provided for treating multiple interval well bores. More particularly, an isolation assembly may be used to allow for zonal isolation to allow treatment of selected productive or previously producing intervals in multiple interval well bores. One example of a method for treat ...


9
Wesley J Burris II, Kenneth L Schwendemann, Phillip M Starr, Michael L Fripp, John J Goiffon, John H Hales, John Rodgers, Darrin N Towers: Downhole tool with navigation system. Halliburton Energy Services, John W Wustenberg, Conley Rose P C, April 29, 2008: US07363967 (98 worldwide citation)

A downhole tool for use in a well bore comprises an onboard navigation system for determining the location of the tool within the well bore, wherein the tool is moved along at least a partial length of the well bore via an external force. A method of locating a downhole tool in a well bore comprises ...


10
Kevin T Berscheidt, Donald R Smith, Lee Wayne Stepp, Don S Folds, Gregory W Vargus: Frac plug with caged ball. Halliburton Energy Service s, John W Wustenberg, Anthony L Rahhal, May 28, 2002: US06394180 (93 worldwide citation)

A downhole tool for sealing a wellbore. The downhole tool includes a packer with a ball seat defined therein. A sealing ball is carried with the packer into the well. The movement of the sealing ball away from the ball seat is limited by a ball cage which is attached to the upper end of the packer. ...