Patents by Inventor Lee L. Shafer
Lee L. Shafer 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).
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Patent number: 8790514Abstract: Systems and methods have been developed for reclaiming water contaminated with the expected range of contaminants typically associated with produced water, including water contaminated with slick water, methanol and boron. The system includes anaerobically digesting the contaminated water, followed by aerating the water to enhance biological digestion. After aeration, the water is separated using a flotation operation that effectively removes the spent friction reducing agents and allows the treated water to be reclaimed and reused as fracturing water, even though it retains levels of contaminants, including boron and methanol, that would prevent its discharge to the environment under existing standards. The treated water may further be treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: GrantFiled: August 13, 2013Date of Patent: July 29, 2014Inventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Publication number: 20130330128Abstract: Systems and methods have been developed for reclaiming water contaminated with the expected range of contaminants typically associated with produced water, including water contaminated with slick water, methanol and boron. The system includes anaerobically digesting the contaminated water, followed by aerating the water to enhance biological digestion. After aeration, the water is separated using a flotation operation that effectively removes the spent friction reducing agents and allows the treated water to be reclaimed and reused as fracturing water, even though it retains levels of contaminants, including boron and methanol, that would prevent its discharge to the environment under existing standards. The treated water may further be treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: ApplicationFiled: August 13, 2013Publication date: December 12, 2013Applicant: Anticline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Patent number: 8529763Abstract: Systems and methods have been developed for reclaiming water contaminated with the expected range of contaminants typically associated with produced water, including water contaminated with slick water, methanol and boron. The system includes anaerobically digesting the contaminated water, followed by aerating the water to enhance biological digestion. After aeration, the water is separated using a flotation operation that effectively removes the spent friction reducing agents and allows the treated water to be reclaimed and reused as fracturing water, even though it retains levels of contaminants, including boron and methanol, that would prevent its discharge to the environment under existing standards. The treated water may further be treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: GrantFiled: January 30, 2012Date of Patent: September 10, 2013Assignee: Anticline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Patent number: 8323495Abstract: The disclosure describes a novel method for operating a bioreactor and filtration system. The method adds excess iron to the bioreactor to improve the overall operation and efficiency of the bioreactor/filtration system.Type: GrantFiled: March 1, 2010Date of Patent: December 4, 2012Assignee: Anticline Disposal, LLCInventor: Lee L. Shafer
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Publication number: 20120152830Abstract: Systems and methods have been developed for reclaiming water contaminated with the expected range of contaminants typically associated with produced water, including water contaminated with slick water, methanol and boron. The system includes anaerobically digesting the contaminated water, followed by aerating the water to enhance biological digestion. After aeration, the water is separated using a flotation operation that effectively removes the spent friction reducing agents and allows the treated water to be reclaimed and reused as fracturing water, even though it retains levels of contaminants, including boron and methanol, that would prevent its discharge to the environment under existing standards. The treated water may further be treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: ApplicationFiled: January 30, 2012Publication date: June 21, 2012Applicant: Anticline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Patent number: 8105488Abstract: Systems and methods have been developed for reclaiming water contaminated with the expected range of contaminants typically associated with produced water, including water contaminated with slick water, methanol and boron. The system includes anaerobically digesting the contaminated water, followed by aerating the water to enhance biological digestion. After aeration, the water is separated using a flotation operation that effectively removes the spent friction reducing agents and allows the treated water to be reclaimed and reused as fracturing water, even though it retains levels of contaminants, including boron and methanol, that would prevent its discharge to the environment under existing standards. The treated water may further be treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: GrantFiled: March 6, 2009Date of Patent: January 31, 2012Assignee: Anticline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Publication number: 20100224564Abstract: The disclosure describes a novel method for operating a resin treatment system and a novel organic polisher. The method for operating the resin treatment system is efficient and cost effective.Type: ApplicationFiled: March 1, 2010Publication date: September 9, 2010Applicant: Anticline Disposal, LLCInventor: Lee L. Shafer
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Publication number: 20100224557Abstract: The disclosure describes a novel method for operating a bioreactor and filtration system. The method adds excess iron to the bioreactor to improve the overall operation and efficiency of the bioreactor/filtration system.Type: ApplicationFiled: March 1, 2010Publication date: September 9, 2010Applicant: Anticline Disposal, LLCInventor: Lee L. Shafer
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Patent number: 7722770Abstract: Systems and methods have been developed for treating the waste water contaminated with methanol and boron in addition to other contaminants. The systems and methods allow specifically for the removal of the methanol and boron without the addition of significant chemicals to raise the pH. The water is treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: GrantFiled: May 29, 2009Date of Patent: May 25, 2010Assignee: Anticline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Publication number: 20100038310Abstract: Systems and methods have been developed for reclaiming water contaminated with the expected range of contaminants typically associated with produced water, including water contaminated with slick water, methanol and boron. The system includes anaerobically digesting the contaminated water, followed by aerating the water to enhance biological digestion. After aeration, the water is separated using a flotation operation that effectively removes the spent friction reducing agents and allows the treated water to be reclaimed and reused as fracturing water, even though it retains levels of contaminants, including boron and methanol, that would prevent its discharge to the environment under existing standards. The treated water may further be treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: ApplicationFiled: March 6, 2009Publication date: February 18, 2010Applicant: Anticline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Patent number: 7628919Abstract: Systems and methods have been developed for treating the waste water contaminated with methanol and boron in addition to other contaminants. The systems and methods allow specifically for the removal of the methanol and boron without the addition of significant chemicals to raise the pH. The water is treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: GrantFiled: March 13, 2007Date of Patent: December 8, 2009Assignee: Anticline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Publication number: 20090236281Abstract: Systems and methods have been developed for treating the waste water contaminated with methanol and boron in addition to other contaminants. The systems and methods allow specifically for the removal of the methanol and boron without the addition of significant chemicals to raise the pH. The water is treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: ApplicationFiled: May 29, 2009Publication date: September 24, 2009Applicant: ANTICLINE DISPOSAL, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Patent number: 7527736Abstract: Systems and methods have been developed for reclaiming water contaminated with the expected range of contaminants typically associated with produced water in order to produce a treated water having a quality adequate for reuse as a fracturing water. The system includes anaerobically digesting the contaminated water, followed by aerating the water to enhance biological digestion. After aeration, the water is separated using a flotation operation that effectively removes the spent friction reducing agents and allows the treated water to be reclaimed and reused as fracturing water, even though it retains levels of contaminants, including boron and methanol, that would prevent its discharge to the environment under existing standards. The treated water has had a sufficient amount of the gellation-inhibiting contaminants, such as acrylamide friction reducing compounds, removed to allow the treated water to be an economically viable fracturing water.Type: GrantFiled: March 13, 2007Date of Patent: May 5, 2009Assignee: Anticline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Patent number: 7510656Abstract: Systems and methods have been developed for reclaiming water contaminated with the expected range of contaminants typically associated with produced water, including water contaminated with slick water, methanol and boron. The system includes anaerobically digesting the contaminated water, followed by aerating the water to enhance biological digestion. After aeration, the water is separated using a flotation operation that effectively removes the spent friction reducing agents and allows the treated water to be reclaimed and reused as fracturing water, even though it retains levels of contaminants, including boron and methanol, that would prevent its discharge to the environment under existing standards. The treated water may further be treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: GrantFiled: March 13, 2007Date of Patent: March 31, 2009Assignee: Anticline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Publication number: 20080053900Abstract: Systems and methods have been developed for treating the waste water contaminated with methanol and boron in addition to other contaminants. The systems and methods allow specifically for the removal of the methanol and boron without the addition of significant chemicals to raise the pH. The water is treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: ApplicationFiled: March 13, 2007Publication date: March 6, 2008Applicant: AntiCline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Publication number: 20080058576Abstract: Systems and methods have been developed for reclaiming water contaminated with the expected range of contaminants typically associated with produced water in order to produce a treated water having a quality adequate for reuse as a fracturing water. The system includes anaerobically digesting the contaminated water, followed by aerating the water to enhance biological digestion. After aeration, the water is separated using a flotation operation that effectively removes the spent friction reducing agents and allows the treated water to be reclaimed and reused as fracturing water, even though it retains levels of contaminants, including boron and methanol, that would prevent its discharge to the environment under existing standards. The treated water has had a sufficient amount of the gellation-inhibiting contaminants, such as acrylamide friction reducing compounds, removed to allow the treated water to be an economically viable fracturing water.Type: ApplicationFiled: March 13, 2007Publication date: March 6, 2008Applicant: AntiCline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Publication number: 20080053896Abstract: Systems and methods have been developed for reclaiming water contaminated with the expected range of contaminants typically associated with produced water, including water contaminated with slick water, methanol and boron. The system includes anaerobically digesting the contaminated water, followed by aerating the water to enhance biological digestion. After aeration, the water is separated using a flotation operation that effectively removes the spent friction reducing agents and allows the treated water to be reclaimed and reused as fracturing water, even though it retains levels of contaminants, including boron and methanol, that would prevent its discharge to the environment under existing standards. The treated water may further be treated by removing the methanol via biological digestion in a bioreactor, separating a majority of the contaminants from the water by reverse osmosis and removing the boron that passes through the reverse osmosis system with a boron-removing ion exchange resin.Type: ApplicationFiled: March 13, 2007Publication date: March 6, 2008Applicant: AntiCline Disposal, LLCInventors: Lee L. Shafer, John W. James, Richard D. Rath, Jesse Eubank
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Patent number: 7059407Abstract: The invention discloses methods of, as well as apparatus and systems for, perforating and treating multiple intervals of one or more subterranean formations intersected by a wellbore by deploying within said wellbore a bottom-hole assembly (“BHA”) having a perforating device and a sealing mechanism, wherein pressure communication is established between the portions of the wellbore above and below the sealing mechanism. The BHA is positioned within the wellbore such that the sealing mechanism, when actuated, establishes a hydraulic seal in the wellbore to positively force fluid to enter the perforations corresponding to the interval to be treated. A treating fluid is pumped down the wellbore and into the perforations created in the perforated interval. The sealing mechanism is released, and the steps are repeated for as many intervals as desired, without having to remove the BHA from said wellbore.Type: GrantFiled: April 6, 2005Date of Patent: June 13, 2006Assignee: ExxonMobil Upstream Research CompanyInventors: Randy C. Tolman, Lawrence O. Carlson, David A. Kinison, Kris J. Nygaard, Glenn S. Goss, William A. Sorem, Lee L. Shafer
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Patent number: 6957701Abstract: The invention discloses methods of, as well as apparatus and systems for, perforating and treating multiple intervals of one or more subterranean formations intersected by a wellbore by deploying within said wellbore a bottom-hole assembly (“BHA”) having a perforating device and a sealing mechanisms, wherein pressure communication is established between the portions of the wellbore above and below the sealing mechanism. The BHA is positioned within the wellbore such that the sealing mechanism, when actuated, establishes a hydraulic seal in the wellbore to positively force fluid to enter the perforations corresponding to the interval to be treated. A treating fluid is pumped down the wellbore and into the perforations created in the perforated interval. The sealing mechanism is released, and the steps are repeated for as many intervals as desired, without having to remove the BHA from said wellbore.Type: GrantFiled: October 23, 2002Date of Patent: October 25, 2005Assignee: ExxonMobile Upstream Research CompanyInventors: Randy C. Tolman, Lawrence O. Carlson, David A. Kinison, Kris J. Nygaard, Glenn S. Goss, William A. Sorem, Lee L. Shafer
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Publication number: 20030051876Abstract: The invention discloses methods of, as well as apparatus and systems for, perforating and treating multiple intervals of one or more subterranean formations intersected by a wellbore by deploying within said wellbore a bottom-hole assembly (“BHA”) having a perforating device, a sealing mechanism and at least one pressure equalization means that establishes pressure communication between the portions of the wellbore above and below the sealing mechanism. The BHA is positioned within the wellbore such that the sealing mechanism, when actuated, establishes a hydraulic seal in the wellbore to positively force fluid to enter the perforations corresponding to the interval to be treated. A treating fluid is pumped down the wellbore and into the perforations created in the perforated interval. The sealing mechanism is released, and the steps are repeated for as many intervals as desired, without having to remove the BHA from said wellbore.Type: ApplicationFiled: October 23, 2002Publication date: March 20, 2003Inventors: Randy C. Tolman, Lawrence O. Carlson, David A. Kinison, Kris J. Nygaard, Glenn S. Goss, William A. Sorem, Lee L. Shafer