1
David D Onan, Dralen T Terry, Bobby G Brake: Fly ash cementing compositions and methods. Halliburton Company, Robert A Kent, C Clark Dougherty Jr, January 24, 1995: US05383521 (128 worldwide citation)

The present invention provides fly ash cementing compositions and methods which are useful in any cementing application, and are particularly suitable for cementing in subterranean zones penetrated by well bores. The cementing compositions can include a portion of the drilling fluid used to drill a ...


2
David D Onan, Dralen T Terry, Patty L Totten, Bobby G Brake, Bobby J King: Utilizing drilling fluid in well cementing operations. Halliburton Company, Robert A Kent, C Clark Dougherty Jr, Thomas R Weaver, July 12, 1994: US05327968 (109 worldwide citation)

The present invention provides methods of cementing a well with a cementing composition utilizing a portion of the drilling fluid used to drill the well as a component in the cementing composition. The methods basically comprise forming a set-activated cementing composition comprised of water, silic ...


3
David D Onan, Bobby G Brake, Dralen T Terry: Utilizing drilling fluid in well cementing operations. Halliburton Company, Robert A Kent, March 21, 1995: US05398758 (90 worldwide citation)

The present invention provides methods of cementing a well with a cementing composition utilizing a portion of the fluid used to drill the well as a component of the cementing composition. The methods basically comprise forming a cementing composition, consisting essentially of a cementing precursor ...


4
Patty L Totten, Bobby G Brake, Edward F Vinson: Retarded acid soluble well cement compositions and methods. Halliburton Company, Thomas R Weaver, January 25, 1994: US05281270 (68 worldwide citation)

Retarded acid soluble well cement compositions which set into hard substantially impermeable masses and methods of using such compositions for forming removable cement plugs or seals in subterranean zones are provided. The compositions are comprised of magnesium oxychloride cement and a set retarder ...


5
Patty L Totten, Bobby G Brake, Edward F Vinson: Retarded acid soluble well cement compositions and methods. Halliburton Company, Thomas R Weaver, C Clark Dougherty Jr, June 22, 1993: US05220960 (66 worldwide citation)

Retarded acid soluble well cement compositions which set into hard substantially impermeable masses and methods of using such compositions for forming removable cement plugs or seals in subterranean zones are provided. The compositions are comprised of magnesium oxychloride cement and a set retarder ...


6
David D Onan, Bobby G Brake: Combating lost circulation during the drilling of wells. Halliburton Company, Craig W Roddy, Stephen R Christian, C Clark Dougherty Jr, March 26, 1996: US05501277 (44 worldwide citation)

The present invention provides improved methods of combating lost drilling fluid circulation in wells, particularly in wells penetrating vugular and naturally fractured formations such as geothermal wells. The methods basically comprise the steps of forming a quick set cementitious composition which ...


7
David D Onan, Bobby G Brake, Dralen T Terry: Utilizing drilling fluid in well cementing operations. Halliburton Company, Robert A Kent, October 18, 1994: US05355954 (42 worldwide citation)

The present invention provides methods of cementing a well with a cementing composition utilizing a portion of the drilling fluid used to drill the well as a component of the cementing composition. The methods basically comprise forming a cementing composition, consisting essentially of a cementing ...


8
Robert A Kunzi, Edward F Vinson, Patty L Totten, Bobby G Brake: Low temperature well cementing compositions and methods. Halliburton Company, Robert A Kent, Thomas R Weaver, C Clark Dougherty Jr, September 13, 1994: US05346550 (36 worldwide citation)

Improved hydraulic cement compositions and methods for cementing wells drilled through low temperature earth formations wherein the cement is subjected to freeze-thaw cycling are provided. The compositions are comprised of a hydraulic cement, gypsum cement, fly ash, an alkali metal halide, water, an ...


9
Bobby G Brake, Jiten Chatterji: Low fluid loss cement compositions, fluid loss reducing additives and methods. Halliburton Company, Robert A Kent, Thomas R Weaver, C Clark Dougherty Jr, August 23, 1994: US05340860 (35 worldwide citation)

Improved liquid fluid loss reducing additives, well cement compositions containing the additives and methods of using the compositions are provided by this invention. The liquid fluid loss reducing additives are basically comprised of water, polyethylene imine, an alkali metal salt of alkylbenzene s ...


10
Robert A Kunzi, Edward F Vinson, Patty L Totten, Bobby G Brake: Low temperature well cementing compositions and methods. Halliburton Company, Robert A Kent, September 5, 1995: US05447198 (23 worldwide citation)

Improved hydraulic cement compositions and methods for cementing wells drilled through low temperature earth formations wherein the cement is subjected to freeze-thaw cycling are provided. The compositions are comprised of a hydraulic cement, gypsum cement, fly ash, an alkali metal halide, water, an ...