1
Joseph R Murphey, Jeffrey S McKennis, Keith W Sharp: Method for removing filtercake. Tetra Technologies, Jo Katherine D Ambrosio, November 7, 2000: US06143698 (119 worldwide citation)

A method for removing filtercake from a subterranean borehole comprising drilling the borehole with a drilling fluid that includes additives to form a filtercake having an oxidation-degradable component, preferably a polysaccharide. The filtercake is contacted with a clear brine containing bromine o ...


2
Richard Paul Conner, Joseph Robert Murphey: Method for removing filtercake. Tetra Technologies, Jo Katherine D Ambrosio, October 17, 2000: US06131661 (108 worldwide citation)

A method for removing filtercake from a subterranean borehole comprising drilling the borehole with a drilling fluid that includes additives to form a filtercake having an oxidation-degradable component, preferably a polymer. The filtercake is contacted with a precursor that forms an oxidizing agent ...


3
Mohammad Hossaini, Joe Murphey, Tom S Carter, Jeffrey S McKennis: Filter cake removal fluid and method. Tetra Technologies, D Ambrosis & Associates P L L C, May 3, 2005: US06886635 (35 worldwide citation)

A method for removing filter cake from a subterranean borehole comprising drilling the borehole with a drilling fluid that includes additives to form a filter cake having an oxidation-degradable component, preferably a polysaccharide. The filter cake is contacted with a clear brine containing a mixt ...


4
Joaquin Paz Cunanan, David Prince Heaner, David J Hanlon: Dehumidifying pouch. Tetra Technologies, Jo Katherine D Ambrosio, June 1, 1999: US05907908 (34 worldwide citation)

A dehumidifying pouch comprising a container having a moisture-absorption compartment and a collection compartment, the moisture-absorption compartment comprising semi-permeable material that encloses a deliquescent desiccant material and an optional deodorizing material. The collection compartment ...


5
Surendra K Mishra, David J Hanlon, Nam Sook Bae: Method for applying halide brines to surfaces. Tetra Technologies, Jo Katherine D Ambrosio, April 6, 1999: US05891225 (32 worldwide citation)

A method for applying halide brine to surfaces requiring protection against freeze conditions, inhibition of snow and ice accumulating, deicing or freeze retardation, for example, or dust control with limited corrosion is disclosed, the method comprising the steps of forming an admixture of polyhydr ...


6
Surendra K Mishra, Gordon S Bond: Method of reducing moisture and solid content of bitumen extracted from tar sand minerals. Tetra Technologies, Baker & Botts L, February 1, 2000: US06019888 (30 worldwide citation)

Tar sand is upgraded to produce a hydrocarbon having a low concentration of water and solids by contacting a bitumen/diluent mix with an alkoxyalkylphenol alkoxylate surfactant prior to separation of a recoverable hydrocarbon phase. The separation of the bitumen/diluent mix into a recoverable hydroc ...


7
Thomas H Wentzler, Surendra K Mishra, Roger N Kust, E Stuart Savage: Waste water treatment process using improved recycle of high density sludge. Tetra Technologies, Arnold White & Durkee, August 13, 1991: US05039428 (29 worldwide citation)

An improved process for removing dissolved metals from waste water using a recycle high density sludge is described. Specifically, the process comprises the steps of: (1) treating waste water containing dissolved metals with a recycle stream containing alkaline surface active recycle particles to pr ...


8
Joseph Robert Murphey: Clear brine drill-in fluid. Tetra Technologies, Jo Katherine D Ambrosio, September 26, 2000: US06124244 (23 worldwide citation)

A drilling fluid comprising a blend of brine and additives for maintaining rheological properties in a neutral or slightly acidic brine and a method for using the drilling fluid to drill into a producing formation are disclosed. The drilling fluid comprises viscosifying polymer and fluid loss polyme ...


9
Galen R Clark II: Method of cutting target members using a cutting saw device. Tetra Technologies, Garvey Smith Nehrbass & North L L C, Brett A North, April 12, 2011: US07922424 (21 worldwide citation)

A diamond wire saw and method provides a frame that includes a clamp that attaches to a target (e.g. piling, beam, tubular), an elongated toothed rack extending away from the mount and target, and a moving portion that carries the diamond wire and motor drives that advance the moving portion toward ...


10
Richard D Gresh, Robert B Netherland: Plastic-jacketed filter underdrain block. Tetra Technologies, Arnold White & Durkee, May 8, 1990: US04923606 (21 worldwide citation)

A precast concrete, plastic-jacketed filter underdrain block for downflow or upflow filter units is disclosed. The plastic jacket additionally functions as a mold for the concrete. The plastic molds become an integral part of the finished filter underdrain block. Thus, relatively lightweight, inexpe ...