1
Jiten Chatterji, Roger S Cromwell, Frank Zamora, Bobby J King: Foamed well cement slurries, additives and methods. Halliburton Energy Services, Craig W Roddy, C Clark Dougherty Jr, May 16, 2000: US06063738 (271 worldwide citation)

The present invention provides improved foamed well cement slurries, additives and methods. The additives, which foam and stabilize a cement slurry containing fresh water or salt water, are basically comprised of a mixture of an ethoxylated alcohol ether sulfate surfactant, an alkyl or alkene amidop ...


2
Lance E Brothers, Susan M Turkett, Barry B Ekstrand, D Chad Brenneis, Jerry D Childs: Light weight high temperature well cement compositions and methods. Halliburton Energy Services, Craig W Roddy, C Clark Dougherty Jr, Jean L Pinkston, December 3, 2002: US06488763 (271 worldwide citation)

The present invention provides methods of cementing subterranean zones using cement compositions comprising calcium aluminate, fly ash, sodium polyphosphate and water.


3
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 ...


4
Ronald E Sweatman: Methods of sealing subterranean zones. Halliburton Energy Services, Craig W Roddy, C Clark Dougherty Jr, June 22, 1999: US05913364 (242 worldwide citation)

The present invention provides improved methods of sealing a subterranean zone to remedy the uncontrolled flow of fluids into and out of the zone. The methods basically comprise preparing a sealing composition and placing the composition into the zone to be sealed. The placement of the composition i ...


5
Ronald E Sweatman, Archie J Felio, James F Heathman: Water based compositions for sealing subterranean zones and methods. Halliburton Energy Services, Craig W Roddy, C Clark Dougherty Jr, July 10, 2001: US06258757 (238 worldwide citation)

The present invention provides water based compositions and methods of using the compositions for sealing subterranean zones. The compositions are basically comprised of water, an aqueous rubber latex, an organophillic clay and sodium carbonate.


6
Craig W Roddy: Well cementing compositions and methods. Halliburton Energy Services, Craig W Roddy, Robert A Kent, October 1, 2002: US06457524 (238 worldwide citation)

The present invention provides improved lightweight well cement compositions useful for performing a variety of cementing applications in subterranean formations and particularly for cementing conductor pipe in offshore wells. A preferred cement composition basically comprises a hydraulic cement, an ...


7
Ronald E Sweatman: Methods of sealing subterranean zones. Halliburton Energy Services, Craig W Roddy, January 2, 2001: US06167967 (231 worldwide citation)

The present invention provides improved methods of sealing a subterranean zone to remedy the uncontrolled flow of fluids into and out of the zone. The methods basically comprise preparing a sealing composition and placing the composition into the zone to be sealed. The placement of the composition i ...


8
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 ...


9
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 ...


10
Jan P Vijn, Zacharias Xenakis, Daniel L Bour, Jerry D Childs: Cementing multi-lateral wells. Halliburton Company, Craig W Roddy, December 31, 1996: US05588488 (205 worldwide citation)

The present invention provides methods of cementing the junction of multi-lateral wells whereby the set cement can withstand impacts and shocks without shattering. A cement slurry composition which sets into a high strength impact resistant solid mass is utilized comprised of a styrene/butadiene aqu ...