1
Jim B Surjaatmadja, Steven L Holden, David D Szarka: Well jetting apparatus. Halliburton Company, Stephen R Christian, Neal R Kennedy, February 27, 1996: US05494103 (134 worldwide citation)

A well jetting apparatus for use in fracturing of a well. Fracture initiation is provided by forming openings through the well casing and then forming fan-shaped slots in the formation surrounding the casing. Those slots are formed by a the jetting apparatus which has at least one hydraulic jet dire ...


2
Jim B Surjaatmadja, Steven L Holden, David D Szarka: Well jetting apparatus and met of modifying a well therewith. Halliburton Company, Stephen R Christian, Neal R Kennedy, November 8, 1994: US05361856 (114 worldwide citation)

A well jetting apparatus for use in fracturing of a well. Fracture initiation is provided by forming openings through the well casing and then forming fan-shaped slots in the formation surrounding the casing. Those slots are formed by a the jetting apparatus which has at least one hydraulic jet dire ...


3
Henry E Rogers, Steven L Holden, David D Szarka: Reverse cementing float equipment. Halliburton Energy Services, John W Wustenberg, Baker Botts L, May 19, 2009: US07533729 (6 worldwide citation)

A regulating valve assembly for regulating fluid flow through a passage, the assembly having: a back-flow valve comprising a seat and a closure element, wherein the closure element engages with the seat in a closed configuration and disengages from the seat in an open configuration; a lock in mechan ...


4
Henry E Rogers, Nicholas C Braun, Steven L Holden: Diverter tool. Halliburton Energy Services, John W Wustenberg, McAfee & Taft, April 13, 2010: US07694732 (4 worldwide citation)

The present invention relates to a diverter tool used in a pipe string to lower a liner into a partially cased wellbore. The diverter tool has a diverter body that defines a longitudinal central flow passage and has diverter ports defined therethrough to communicate and redirect fluids received in t ...


5
Henry E Rogers, Nicholas C Braun, Steven L Holden: Fluid diverter tool and method. Halliburton Energy Services, John W Wustenberg, McAfee & Taft, January 29, 2008: US07322432 (3 worldwide citation)

The present invention relates to a diverter tool used in a pipe string used to lower a liner and a cutting apparatus on the end thereof into a partially cased wellbore. The diverter tool has a diverter body that defines a longitudinal flow passage and has the diverter ports defined therethrough to c ...


6
Henry E Rogers, Steven L Holden, Alan T Jackson: Multiple stage cementing tool with expandable sealing element. Halliburton Energy Services, John W Wustenberg, McAfee & Taft, July 31, 2012: US08230926 (2 worldwide citation)

A cementing tool for cementing a casing in a well has an inner mandrel that defines a central flow passage and has at least one fluid port defined through a wall thereof. An outer mandrel is disposed about the inner mandrel and the inner and outer mandrels define an annular space therebetween. The o ...


7
Earl D Webb, Michael D Stevens, Steven L Holden: Anti-rotation method and apparatus for limiting rotation of cementing plugs. Halliburton Energy Services, Craig W Roddy, McAfee & Taft P C, May 24, 2005: US06896051 (1 worldwide citation)

An apparatus for preventing or limiting the rotation of cementing plugs in a casing string during drillout. The apparatus includes an outer housing with a sleeve disposed therein. The sleeve has an inner surface configured to engage cementing plugs received therein to cause an interference fit. The ...


8
Earl D Webb, Michael D Stevens, Steven L Holden: Anti-rotation method and apparatus for limiting rotation of cementing plugs. Craig W Roddy, Halliburton Energy Services, July 29, 2004: US20040144531-A1

An apparatus for preventing or limiting the rotation of cementing plugs in a casing string during drillout. The apparatus includes an outer housing with a sleeve disposed therein. The sleeve has an inner surface configured to engage cementing plugs received therein to cause an interference fit. The ...


9
Henry E Rogers, Steven L Holden, David D Szarka: Reverse cementing float equipment. Halliburton Energy Services, John W Wustenberg, May 3, 2007: US20070095533-A1

A regulating valve assembly for regulating fluid flow through a passage, the assembly having: a back-flow valve comprising a seat and a closure element, wherein the closure element engages with the seat in a closed configuration and disengages from the seat in an open configuration; a lock in mechan ...


10
Charles A Butterfield, Henry E Rogers, Seth R Moore, Donald M Garrett, Ronald J Holubec, Anthony M Badalamenti, Earl D Webb, Michael D Stevens, Steven L Holden, John C Zimmerman: Anti-rotation method and apparatus for limiting rotation of cementing plugs. Craig W Roddy, Halliburton Energy Services, January 29, 2004: US20040016538-A1

An apparatus for preventing or limiting the rotation of cementing plugs in a casing string during drillout. The apparatus includes an outer housing with a sleeve disposed therein. The sleeve has an inner surface configured to engage cementing plugs received therein to cause an interference fit. The ...