1
Baireddy R Reddy, Ronald J Crook, Jiten Chatterji, Bobby J King, Dennis W Gray, Russell M Fitzgerald, Ronald J Powell, Bradley L Todd: Controlling the release of chemical additives in well treating fluids. Halliburton Energy Services, Craig W Roddy, C Clark Dougherty Jr, April 3, 2001: US06209646 (244 worldwide citation)

Methods of controlling the rates of release of chemical additives into treating fluids are provided by the present invention. The methods are basically comprised of causing a chemical additive in liquid form to be absorbed into a porous solid material whereby the chemical additive is encapsulated th ...


2
Bradley L Todd, Billy F Slabaugh, Ronald J Powell, Joseph G Yaritz: Resin composition and methods of consolidating particulate solids in wells with or without closure pressure. Halliburton Energy Services, Robert A Kent, C Clark Dougherty Jr, November 6, 2001: US06311773 (234 worldwide citation)

Improved hardenable resin compositions and methods of consolidating particulate solids in subterranean zones penetrated by well bores are provided. The improved hardenable resin compositions of the invention are basically comprised of a hardenable organic resin, an aminosilane resin-to-particulate s ...


3
Baireddy R Reddy, Ronald J Crook, Dennis W Gray, Russell M Fitzgerald, Bradley L Todd, Steven B Laramay: Encapsulated chemicals for use in controlled time release applications and methods. Halliburton Energy Services, Craig W Roddy, C Clark Dougherty Jr, March 4, 2003: US06527051 (231 worldwide citation)

Encapsulated water soluble chemicals for use in controlled time release applications, methods of encapsulating the chemicals and methods of using the encapsulated chemicals are provided. The methods of encapsulating the chemicals are basically comprised of forming a first coating of a dry hydrophobi ...


4
Baireddy R Reddy, Ronald J Crook, Dennis W Gray, Russell M Fitzgerald, Bradley L Todd, Steven B Laramay: Encapsulated chemicals for use in controlled time release applications and methods. Halliburton Energy Services, Craig W Roddy, C Clark Dougherty Jr, April 29, 2003: US06554071 (224 worldwide citation)

Encapsulated water soluble chemicals for use in controlled time release applications, methods of encapsulating the chemicals and methods of using the encapsulated chemicals are provided. The methods of encapsulating the chemicals are basically comprised of forming a first coating of a dry hydrophobi ...


5
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 ...


6
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 ...


7
Bradley L Todd, B Raghava Reddy, James V Fisk Jr, James D Kercheville: Well drilling and servicing fluids and methods of removing filter cake deposited thereby. Halliburton Energy Services, Robert A Kent, C Clark Dougherty Jr, July 23, 2002: US06422314 (161 worldwide citation)

Well drilling and servicing fluids for use in producing formations and methods of removing filter cake therefrom are provided. The methods basically comprise using a drilling or servicing fluid comprised of water, a density increasing water soluble salt, a fluid loss control agent, a hydratable poly ...


8
Bradley L Todd: Well drilling and servicing fluids and methods of removing filter cake deposited thereby. Halliburton Energy Services, Robert A Kent, C Clark Dougherty Jr, December 17, 2002: US06494263 (159 worldwide citation)

Well drilling and servicing fluids for use in producing formations and methods of removing filter cake therefrom are provided. The methods basically comprise using a drilling or servicing fluid basically comprised of water, a water soluble salt and a particulate solid bridging agent selected from ma ...


9
Philip D Nguyen, Bradley L Todd, Trinidad Munoz Jr: Compositions and methods for improving proppant pack permeability and fracture conductivity in a subterranean well. Halliburton Energy Services, Robert A Kent, Baker Botts, May 16, 2006: US07044220 (125 worldwide citation)

The present invention relates to enhancing fluid flow from subterranean formations. More particularly, this invention relates to providing improved proppant matrixes within fractures in a subterranean formation. An example of the methods of increasing the conductivity of a fracture in a subterranean ...


10
Donald Justus, Bradley L Todd, Philip D Nguyen: Reduced-density proppants and methods of using reduced-density proppants to enhance their transport in well bores and fractures. Halliburton Energy Services, Robert A Kent, Baker Botts, June 27, 2006: US07066258 (115 worldwide citation)

The present invention provides reduced-density coated particulates and methods for enhancing the transport of such particulates into well bores and fractures, and for enhancing the conductivity and permeability of subterranean formations using such particulates, and for sand control treatments using ...