Patents by Inventor Donald C. Van Slyke
Donald C. Van Slyke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 10208540Abstract: The disclosure relates to drilling fluid compositions, and their method of use, comprising a non-toxic and low cost-to-produce mineral base oil comprising 90 to 100% branched and cyclic-paraffins and virtually aromatic free. The disclosed base oils are suitable to replace diesel oil and distillates in any drilling operation and offers a reduced environmental impact and improved health and safety of employees.Type: GrantFiled: October 5, 2015Date of Patent: February 19, 2019Assignee: CHEVRON U.S.A. INC.Inventors: Donald C. Van Slyke, Christopher E. Johnson
-
Patent number: 10060189Abstract: The disclosure relates to drilling fluid compositions, and their method of use, comprising a C16 unbranched internal olefin, including blends of the C16 unbranched internal olefin and a C16 linear alpha olefin. The exemplary drilling fluids are characterized by properties, e.g., pour points and kinematic viscosities, that enable them to be particularly useful in deep water drilling operations and have reduced environmental impact, e.g., increased biodegradation and reduced sediment toxicity.Type: GrantFiled: September 15, 2015Date of Patent: August 28, 2018Assignee: CHEVRON U.S.A. INC.Inventors: Donald C. Van Slyke, Stephen Joseph Miller
-
Publication number: 20160122612Abstract: The disclosure relates to drilling fluid compositions, and their method of use, comprising a non-toxic and low cost-to-produce mineral base oil comprising 90 to 100% branched and cyclic-paraffins and virtually aromatic free. The disclosed base oils are suitable to replace diesel oil and distillates in any drilling operation and offers a reduced environmental impact and improved health and safety of employees.Type: ApplicationFiled: October 5, 2015Publication date: May 5, 2016Inventors: Donald C. Van Slyke, Christopher E. Johnson
-
Publication number: 20160083640Abstract: The disclosure relates to drilling fluid compositions, and their method of use, comprising a C16 unbranched internal olefin, including blends of the C16 unbranched internal olefin and a C16 linear alpha olefin. The exemplary drilling fluids are characterized by properties, e.g., pour points and kinematic viscosities, that enable them to be particularly useful in deep water drilling operations and have reduced environmental impact, e.g., increased biodegradation and reduced sediment toxicity.Type: ApplicationFiled: September 15, 2015Publication date: March 24, 2016Inventors: Donald C. Van Slyke, Stephen Joseph Miller
-
Publication number: 20150322326Abstract: Pulse power drilling fluids comprising a base fluid solution of a low viscosity ester and an alkylene carbonate in an amount that is soluble in the ester are provided. The pulse power drilling fluids provide excellent properties for use in pulse-power drilling, e.g., a high dielectric constant, a high dielectric strength, lower viscosity and lower conductivity than current pulse-power drilling fluids. Methods of using the pulse power drilling fluids are also described.Type: ApplicationFiled: April 24, 2015Publication date: November 12, 2015Applicant: CHEVRON U.S.A. INC.Inventors: Donald C. Van Slyke, Stephen Joseph Miller, Saleh Ali Elomari
-
Patent number: 8222018Abstract: Described herein is a strain of Gordonia sihwensis. The Gordonia sihwensis strain described herein may be used to sequester and/or biodegrade hydrocarbons. In particular, the Gordonia sihwensis strain described herein may be used in the remediation of drill cuttings coated with drilling fluid.Type: GrantFiled: December 18, 2008Date of Patent: July 17, 2012Assignee: Chevron U.S.A. Inc.Inventor: Donald C. Van Slyke
-
Publication number: 20110269220Abstract: Strains of Gordonia sihwensis and uses thereof are described herein. G. sihwensis can sequester and/or biodegrade hydrocarbons. In particular, G. sihwensis may be used in remediation of drill cuttings coated with drilling fluid and soil or sludges contaminated with oil contaminants.Type: ApplicationFiled: June 24, 2011Publication date: November 3, 2011Applicant: CHEVRON U.S.A. INC.Inventor: Donald C. Van Slyke
-
Publication number: 20100159568Abstract: Described herein is a strain of Gordonia sihwensis. The Gordonia sihwensis strain described herein may be used to sequester and/or biodegrade hydrocarbons. In particular, the Gordonia sihwensis strain described herein may be used in the remediation of drill cuttings coated with drilling fluid.Type: ApplicationFiled: December 18, 2008Publication date: June 24, 2010Inventor: Donald C. Van Slyke
-
Patent number: 6255256Abstract: A non-toxic, inexpensive synthetic fluid for use in wellbore fluids (e.g., drilling fluids) is selected from the group consisting of (A) fluids having (I) a pour point greater than about −30° C. (−22° F.) and (II) a cetane index greater than 50, and comprising (i) at least about 95 weight percent hydrocarbons containing 11 or more carbon atoms, (ii) greater than 5 weight percent hydrocarbons containing 18 or more carbon atoms, (iii) at least about 50 weight percent isoparaffins, (iv) at least about 90 weight percent total paraffins, (v) about 1 or less weight percent naphthenics, (vi) less than 0.1 volume percent aromatics, and (vii) at least 2 hydrocarbons containing a consecutive number of carbon atoms, and (B) fluids comprising (i) at least about 95 weight percent hydrocarbons containing 10 or more carbon atoms and (ii) at least about 90 weight percent n-paraffins.Type: GrantFiled: December 8, 1998Date of Patent: July 3, 2001Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke
-
Patent number: 6159907Abstract: A non-toxic, inexpensive synthetic fluid for use in wellbore fluids (e.g., drilling fluids) is selected from the group consisting of (A) fluids having (I) a pour point greater than about -30.degree. C. (-22.degree. F.) and (II) a cetane index greater than 50, and comprising (i) at least about 95 weight percent hydrocarbons containing 11 or more carbon atoms, (ii) greater than 5 weight percent hydrocarbons containing 18 or more carbon atoms, (iii) at least about 50 weight percent isoparaffins, (iv) at least about 90 weight percent total paraffins, (v) about 1 or less weight percent naphthenics, (vi) less than 0.1 volume percent aromatics, and (vii) at least 2 hydrocarbons containing a consecutive number of carbon atoms, and (B) fluids comprising (i) at least about 95 weight percent hydrocarbons containing 10 or more carbon atoms and (ii) at least about 90 weight percent n-paraffins.Type: GrantFiled: September 4, 1998Date of Patent: December 12, 2000Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke
-
Patent number: 6110874Abstract: A non-toxic, inexpensive synthetic fluid for use in wellbore fluids (e.g., drilling fluids) is selected from the group consisting of (A) fluids having (I) a pour point greater than about -30.degree. C. (-22.degree. F.) and (II) a cetane index greater than 50, and comprising (i) at least about 95 weight percent hydrocarbons containing 11 or more carbon atoms, (ii) greater than 5 weight percent hydrocarbons containing 18 or more carbon atoms, (iii) at least about 50 weight percent isoparaffins, (iv) at least about 90 weight percent total paraffins, (v) about 1 or less weight percent naphthenics, (vi) less than 0.1 volume percent aromatics, and (vii) at least 2 hydrocarbons containing a consecutive number of carbon atoms, and (B) fluids comprising (i) at least about 95 weight percent hydrocarbons containing 10 or more carbon atoms and (ii) at least about 90 weight percent n-paraffins.Type: GrantFiled: September 4, 1998Date of Patent: August 29, 2000Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke
-
Patent number: 6107255Abstract: A non-toxic, inexpensive synthetic fluid for use in wellbore fluids (e.g., drilling fluids) is selected from the group consisting of (A) fluids having (I) a pour point greater than about -30.degree. C. (-22.degree. F.) and (II) a cetane index greater than 50, and comprising (i) at least about 95 weight percent hydrocarbons containing 11 or more carbon atoms, (ii) greater than 5 weight percent hydrocarbons containing 18 or more carbon atoms, (iii) at least about 50 weight percent isoparaffins, (iv) at least about 90 weight percent total paraffins, (v) about 1 or less weight percent naphthenics, (vi) less than 0.Type: GrantFiled: September 4, 1998Date of Patent: August 22, 2000Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke
-
Patent number: 6034037Abstract: A non-toxic, inexpensive synthetic fluid for use in wellbore fluids (e.g., drilling fluids) is selected from the group consisting of (A) fluids having (I) a pour point greater than about -30.degree. C. (-22.degree. F.) and (II) a cetane index greater than 50, and comprising (i) at least about 95 weight percent hydrocarbons containing 11 or more carbon atoms, (ii) greater than 5 weight percent hydrocarbons containing 18 or more carbon atoms, (iii) at least about 50 weight percent isoparaffins, (iv) at least about 90 weight percent total paraffins, (v) about 1 or less weight percent naphthenics, (vi) less than 0.1 volume percent aromatics, and (vii) at least 2 hydrocarbons containing a consecutive number of carbon atoms, and (B) fluids comprising (i) at least about 95 weight percent hydrocarbons containing 10 or more carbon atoms and (ii) at least about 90 weight percent n-paraffins.Type: GrantFiled: January 7, 1999Date of Patent: March 7, 2000Assignee: Union Oil Company of California,Inventor: Donald C. Van Slyke
-
Patent number: 6017854Abstract: Simplified drilling fluids (and other well bore fluids) contain a non-aqueous-base fluid and a viscosifying/fluid loss agent that meets certain performance criteria.Type: GrantFiled: May 28, 1997Date of Patent: January 25, 2000Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke
-
Patent number: 5958845Abstract: A non-toxic, inexpensive synthetic fluid for use in wellbore fluids (e.g., drilling fluids) is selected from the group consisting of (A) fluids having (I) a pour point greater than about -30.degree. C. (-22.degree. F.) and (II) a cetane index greater than 50, and comprising (i) at least about 95 weight percent hydrocarbons containing 11 or more carbon atoms, (ii) greater than 5 weight percent hydrocarbons containing 18 or more carbon atoms, (iii) at least about 50 weight percent isoparaffins, (iv) at least about 90 weight percent total paraffins, (v) about 1 or less weight percent naphthenics, (vi) less than 0.1 volume percent aromatics, and (vii) at least 2 hydrocarbons containing a consecutive number of carbon atoms, and (B) fluids comprising (i) at least about 95 weight percent hydrocarbons containing 10 or more carbon atoms and (ii) at least about 90 weight percent n-paraffins.Type: GrantFiled: January 29, 1996Date of Patent: September 28, 1999Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke
-
Patent number: 5788781Abstract: A method for cleaning oil-contaminated substrates employing a composition includes a diluent oil, a first surfactant having a HLB value of at least 10, and a second surfactant having a higher HLB value. The difference in the HLB values of the first and second surfactants is at least 3 and a mixture of the surfactants would have a HLB value of at least 11.Type: GrantFiled: February 11, 1997Date of Patent: August 4, 1998Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke
-
Patent number: 5780407Abstract: Compositions comprising (a) a surfactant and (b) a diluent oil are employed in oil-based drilling fluids and processes for cleaning oil-contaminated substrates (e.g., oil-contaminated animals, drill cuttings) as well as in processes for cementing well casings, enhanced oil recovery, and lifting oil from wellbores.Type: GrantFiled: June 26, 1997Date of Patent: July 14, 1998Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke
-
Patent number: 5723423Abstract: Compositions comprising (a) a surfactant and (b) a diluent oil are employed in oil-based drilling fluids and processes for cleaning oil-contaminated substrates (e.g., oil-contaminated animals, drill cuttings) as well as in processes for cementing well casings, enhanced oil recovery, and lifting oil from wellbores.Type: GrantFiled: March 12, 1996Date of Patent: March 3, 1998Assignee: Union Oil Company of California, dba UNOCALInventor: Donald C. Van Slyke
-
Patent number: 5710111Abstract: Solids-free, essentially all-oil and invert emulsion wellbore fluids are employed in well drilling, completion, and workover operations. Techniques for remediating dense aromatic solvents wellbore fluids entail removal and/or dissolution of particulate matter.Type: GrantFiled: May 31, 1994Date of Patent: January 20, 1998Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke
-
Patent number: 5700763Abstract: Oil-base drilling fluids containing a non-sulfonated polymer and/or a non-organophilic clay maintain desirable rheological properties at elevated temperatures.Type: GrantFiled: December 11, 1996Date of Patent: December 23, 1997Assignee: Union Oil Company of CaliforniaInventor: Donald C. Van Slyke