1
Paul O Padgett, Stephen F Crain, Wayne A Handke, Jerry L Logan, Calvin L Stegemoeller, Ricky L Covington, David W Ritter, Kevin D Edgley: Continuous multi-component slurrying process at oil or gas well. Halliburton company, Craig W Roddy, E Harrison Gilbert III, November 5, 1996: US05570743 (84 worldwide citation)

A continuous multi-component slurrying process at an oil or gas well comprises flowing at least three separate streams of different essential materials directly into a predetermined mixing unit at the oil or gas well, wherein each of the essential materials is required to obtain a predetermined defi ...


2
Wayne A Handke, Stephen F Crain, Paul O Padgett, Calvin L Stegemoeller, Vincent P Rivera, Charles E Neal: Control method for a multi-component slurrying process. Halliburton Company, Stephen R Christian, E Harrison Gilbert III, September 26, 1995: US05452954 (48 worldwide citation)

A method of controlling a continuous multi-component slurrying process at an oil or gas well comprises continuously flowing substances for creating a slurry in response to a slurry flow rate factor and continuously flowing another substance for the slurry in response to a flow rate of at least a pre ...


3
Phillip N Naegele, Ronald E Dant, Kent J Dieball, Stanley V Stephenson, Paul O Padgett: Cement mixing and pumping system and method for oil/gas well. Halliburton Company, Stephen R Christian, E Harrison Gilbert III, March 1, 1994: US05289877 (29 worldwide citation)

A system and method for mixing cement slurries at an oil or gas well site and for pumping such slurries into the well provide automatic combined and interrelated density and pumping control and selectable sequential control of predetermined mixing and pumping stages. Specific conditions automaticall ...


4
Nathan J Harder, Harry B Curlett, Paul O Padgett, Samuel R Curlett: Impact excavation system and method with two-stage inductor. Particle Drilling Technologies, Bracewell & Giuliani, July 15, 2008: US07398838 (21 worldwide citation)

A system and method for excavating a subterranean formation according to which a fluid is introduced into a vessel to draw a plurality of impactors into the vessel to form a suspension. The suspension is discharged from the vessel and into another vessel, and fluid is introduced into the other vesse ...


5
Nathan J Harder, Harry B Curlett, Paul O Padgett, Samuel R Curlett: Impact excavation system and method with particle trap. Particle Drilling Technologies, Bracewell & Giuliani, July 15, 2008: US07398839 (17 worldwide citation)

A system and method for excavating a subterranean formation, according to which a slurry of liquid and a plurality of impactors are introduced into at least one cavity formed in a body member and are discharged from the cavity so that the impactors remove a portion of the formation. The impactors ar ...


6
Gordon A Tibbitts, Paul O Padgett, Harry B Curlett, Samuel R Curlett, Nathan J Harder: Drill bit. Particle Drilling, King & Spalding, August 21, 2007: US07258176 (16 worldwide citation)

A drill bit for drilling a well bore using solid material impactors comprising a nozzle and a cavity for accelerating the velocity of the solid material impactors and directing flow of the solid material impactors through the nozzle. The drill bit may also comprise a junk slot for return flow of the ...


7
Paul O Padgett, Stephen F Crain, Wayne A Handke, Jerry L Logan, Calvin L Stegemoeller, Ricky L Covington, David W Ritter, Kevin D Edgley: Continuous multi-component slurrying process at oil or gas well. Halliburton Company, Craig W Roddy, Stephen R Christian, E Harrison Gilbert III, June 4, 1996: US05522459 (13 worldwide citation)

A continuous multi-component slurrying process at an oil or gas well comprises flowing at least three separate streams of different essential materials directly into a predetermined mixing unit at the oil or gas well, wherein each of the essential materials is required to obtain a predetermined defi ...


8
Nathan J Harder, Harry B Curlett, Paul O Padgett, Butch Hazel: Impact excavation system and method with injection system. PDTI Holdings, Arnold & Knoblock L, September 14, 2010: US07793741 (12 worldwide citation)

A system and method according to which at least one vessel injects a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.


9
Nathan J Harder, Harry B Curlett, Paul O Padgett, Butch Hazel: Impact excavation system and method with injection system. PDTI Holdings, Arnold & Knobloch L, Gordon T Arnold, July 20, 2010: US07757786 (10 worldwide citation)

A system and method according to which at least one vessel injects a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.


10
Michael J Banse, Paul O Padgett, Craig Sneed: Mixing apparatus with rotary jet water valve. Halliburton Energy Services, John W Wustenberg, Anthony L Rahhal, Craig W Roddy, September 24, 2002: US06454457 (5 worldwide citation)

A mixing apparatus includes a mixing tube, a liquid inlet, a dry substance inlet and a recirculation mixture inlet. The mixing apparatus is utilized with a tub. A liquid and a dry substance may be mixed in the mixing tube and the mixture may be recirculated so that a liquid, a dry substance and a re ...