Patents Assigned to Multi-Chem Group, LLC
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Patent number: 10934470Abstract: Compositions and methods of using of such compositions to, for example, inhibit of the formation of gas hydrate agglomerates are provided. In one embodiment, the methods comprise: introducing a low-dosage hydrate inhibitor additive into a fluid, wherein the low-dosage hydrate inhibitor additive comprises a quaternary or tertiary ammonium cation moiety, a lipophilic tail, and a sulfonate anion moiety; and exposing the low-dosage hydrate inhibitor additive to a temperature above about 200° F.Type: GrantFiled: December 18, 2015Date of Patent: March 2, 2021Assignee: Multi-Chem Group, LLCInventors: Qiang Lan, Deepak Monteiro, Mark Paul Ceglio, II, Erick J. Acosta, Pushkala Krishnamurthy
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Publication number: 20210040374Abstract: A method is disclosed that includes adding a recirculation chemical composition to a hydrocarbon containing stream, wherein the recirculation chemical composition may be an emulsion breaker. The method may also include separating the hydrocarbon containing stream into a stream containing water and a stream containing oil; contacting the stream containing oil in a water wash unit; and removing residual emulsion breaker from the stream containing oil.Type: ApplicationFiled: July 14, 2020Publication date: February 11, 2021Applicant: Multi-Chem Group, LLCInventors: Stephen John Horner, Ronald Oliver Bosch
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Patent number: 10913887Abstract: A method for inhibiting erosion (wear)-corrosion of downhole components in a secondary lift system, the method comprising: introducing a corrosion inhibitor and a lubricating agent into a wellbore; allowing the corrosion inhibitor and the lubricating agent to mix with a produced fluid to form a mixture; and recovering the mixture from the wellbore through a production tubing, wherein the corrosion inhibitor and/or the lubricating agent contact one or more of the downhole components of the secondary lift system. A system for inhibiting wear in secondary recovery comprising: a casing disposed in a producing wellbore; a production tubing extending into the casing; a downhole equipment disposed in the production tubing, wherein the downhole equipment comprises at least one equipment selected from the group consisting of a sucker rod, a plunger, and an electrical submersible pump; a treatment fluid for introduction into an annulus disposed between the casing and the production tubing.Type: GrantFiled: May 7, 2018Date of Patent: February 9, 2021Assignee: Multi-Chem Group, LLCInventor: Nathan Darrell Davis
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Patent number: 10808163Abstract: Compositions and methods of using of such compositions to, for example, inhibit of the formation of gas hydrate agglomerates are provided. In one embodiment, the methods comprise: introducing a hydrate inhibitor composition comprising a compound into a fluid, wherein the compound comprises two hydrophobic cation moieties, a lipophilic tail, and two linking moieties.Type: GrantFiled: September 5, 2018Date of Patent: October 20, 2020Assignee: Multi-Chem Group, LLCInventors: Qiang Lan, Deepak Steven Monteiro, Mark Paul Ceglio, II, Pushkala Krishnamurthy, Erick J. Acosta
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Patent number: 10800964Abstract: A method may include: placing into a wellbore penetrating a subterranean formation a foaming agent, wherein the wellbore comprises a produced fluid from the subterranean formation; and foaming the produced fluid. The foaming agent may include at least one of the following structures: wherein R1 and R2 are individually selected from an alkyl group, an alkenyl group, a heteroatom substituted alkyl group, or a heteroatom substituted alkenyl group, wherein R1 comprises 5 carbon atoms to 22 carbon atoms in length, and wherein R2 comprises 1 carbon atom to 8 carbon atoms.Type: GrantFiled: July 16, 2019Date of Patent: October 13, 2020Assignee: Multi-Chem Group, LLCInventors: Loan K. Vo, Deepak S. Monteiro, Philippe Prince, Shane Wyatt Rorex
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Patent number: 10800684Abstract: Methods for the use of zinc ammonium carbonate as a scavenger of sulfur-containing species encountered in oilfield operations are provided. In one embodiment, the methods include introducing a sulfide scavenging additive including zinc ammonium carbonate into at least a portion of a conduit through which a potential sulfur-containing fluid is flowing.Type: GrantFiled: October 2, 2019Date of Patent: October 13, 2020Assignee: Multi-Chem Group, LLCInventors: Philippe Prince, Kiran Gawas, Yulia Mosina
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Publication number: 20200283678Abstract: A method may comprise introducing a first traceable solid particulate into a first formation zone of one or more subterranean formations, wherein the first traceable solid particulate may comprise a first soluble tracer coated onto a first solid particulate. The method may also comprise introducing a second traceable solid particulate into a second formation zone of the one or more subterranean formations, wherein the second traceable solid particulate may comprise a second soluble tracer coated onto a second solid particulate, wherein the second tracer and the first tracer may have a different chemical identity. The method may further comprise recovering produced fluid from the one or more subterranean formations and monitoring concentrations of at least the first soluble tracer and the second soluble tracer in the produced fluid.Type: ApplicationFiled: January 30, 2020Publication date: September 10, 2020Applicant: Multi-Chem Group, LLC.Inventors: James Ogle, Liang Xu, David Yue, Ronald Bosch, Andrew Bailey Slocum, Amber Kridner
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Patent number: 10767474Abstract: Systems and methods for selecting surfactants for use in subterranean formations are provided. In one embodiment, the methods comprise: providing a sample of oil from at least a portion of a subterranean formation; measuring at least one of the total acid number (TAN) and the total base number (TBN) of the oil sample; and selecting a set of surfactants to evaluate for a treatment in at least a portion of the subterranean formation based on at least one of the TAN and the TBN of the oil sample, the set of surfactants selected from the group consisting of: a set of cationic surfactants, a set of anionic surfactants, and a set of zwitterionic surfactants.Type: GrantFiled: November 13, 2014Date of Patent: September 8, 2020Assignee: Multi-Chem Group, LLCInventors: Lijie Feng, Liang Xu
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Publication number: 20200190399Abstract: A method of fracturing a subterranean formation may comprise: pumping a fracturing fluid into the subterranean formation, through a wellbore, at or above a fracture gradient of the subterranean formation, wherein the fracturing fluid comprises halloysite nanotubes.Type: ApplicationFiled: September 17, 2018Publication date: June 18, 2020Applicant: Multi-Chem Group LLCInventors: Liang Xin Xu, Philip Nguyen, Kai He
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Patent number: 10668510Abstract: The present disclosure relates to compositions, systems and methods for removing iron sulfide scale from a solid object, such as an oilfield component. The compositions include a carbon-carbon (C—C) double bond with an electron withdrawing group bonded to at least one of the double-bonded carbons.Type: GrantFiled: February 15, 2018Date of Patent: June 2, 2020Assignee: Multi-Chem Group LLC.Inventors: Yang Peng, Funian Zhao, Zhiwei Yue, Liu Shi, Liangwei Qu, Chunfang Fan
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Patent number: 10640698Abstract: Methods for treating subterranean formations are provided. In one embodiment, the methods comprise providing a treatment fluid comprising an aqueous base fluid and a surfactant comprising an ethoxylated amine or derivative thereof; introducing the treatment fluid into a wellbore penetrating at least a portion of a subterranean formation; and producing fluids from the wellbore during or subsequent to introducing the treatment fluid into the wellbore.Type: GrantFiled: November 16, 2015Date of Patent: May 5, 2020Assignee: Multi-Chem Group, LLCInventors: Yang Peng, Zhiwei Yue, Kai He, Jayant Rane, Liang Xu
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Publication number: 20200095493Abstract: A method may include: placing into a wellbore penetrating a subterranean formation a foaming agent, wherein the wellbore comprises a produced fluid from the subterranean formation; and foaming the produced fluid.Type: ApplicationFiled: July 16, 2019Publication date: March 26, 2020Applicant: Multi-Chem Group LLCInventors: Loan K. Vo, Deepak S. Monteiro, Philippe Prince, Shane Wyatt Rorex
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Patent number: 10597582Abstract: Composition for the removal or inactivation of hydrogen sulfide or soluble sulfide ion other species comprising ionizable sulfur (e.g., mercaptans, thiols, etc.) using compositions containing acrylate and/or derivatives thereof are provided. Methods for the removal or inactivation of hydrogen sulfide or other sulfur species in oilfield sites and other related applications using compositions containing acrylate and/or derivatives thereof are provided.Type: GrantFiled: December 23, 2014Date of Patent: March 24, 2020Assignee: Multi-Chem Group, LLCInventors: Liu Shi, Funian Zhao, Liangwei Qu, Michael Harless, Ron Hoppe
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Rotary drill bit and method for designing a rotary drill bit for directional and horizontal drilling
Patent number: 10590711Abstract: A multi-layer downhole drilling tool designed for directional and horizontal drilling is disclosed. The drilling tool includes a bit body including a rotational axis extending therethrough. A plurality of primary blades are disposed on exterior portions of the bit body and a plurality of secondary blades are disposed on exterior portions of the bit body between the primary blades. The drilling tool further includes a plurality of first-layer cutting elements disposed on exterior portions of the primary blades and a plurality of second-layer cutting elements disposed on exterior portions of the secondary blades. The second-layer cutting elements are track set with the first-layer cutting elements in an opposite track set configuration.Type: GrantFiled: July 19, 2018Date of Patent: March 17, 2020Assignee: Multi-Chem Group, LLCInventor: Shilin Chen -
Patent number: 10590333Abstract: Surfactant compositions for enhancing oil and/or gas production from certain subterranean formations (e.g., unconventional reservoirs), and related methods of use, are provided. In one embodiment, the methods comprise: providing a treatment fluid comprising a carrier fluid and a cationic surfactant comprising at least two hydrophobic heads that each comprise a quaternary cationic moiety; and introducing the treatment fluid into at least a portion of a subterranean formation.Type: GrantFiled: December 22, 2014Date of Patent: March 17, 2020Assignee: Multi-Chem Group, LLCInventors: Kai He, Funian Zhao, Liangwei Qu, Liang Xu
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Patent number: 10584275Abstract: The present disclosure relates to compositions, systems and methods for removing iron sulfide scale from a solid object, such as an oilfield component. The compositions include a carbon-carbon (C—C) double bond with an electron withdrawing group bonded to at least one of the double-bonded carbons.Type: GrantFiled: April 20, 2015Date of Patent: March 10, 2020Assignee: Multi-Chem Group, LLCInventors: Yang Peng, Zhiwei Yue, Funian Zhao, Liu Shi, Ronald Larry Hoppe, Liangwei Qu, Chunfang Fan
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Publication number: 20200049434Abstract: A method may include: drawing a slip stream sample from a cooling fluid stream, the cooling fluid stream being fluidically coupled to an outlet of a heat exchanger and an inlet of a cooling tower; introducing the slip stream sample into an expansion chamber; and measuring a concentration of hydrogen gas within a headspace of the expansion chamber.Type: ApplicationFiled: June 7, 2019Publication date: February 13, 2020Applicant: Multi-Chem Group, LLC.Inventor: William Robert Johnston
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Patent number: 10550309Abstract: Systems, compositions, and methods for synergistic additives for use in the scavenging of sulfur-containing compounds encountered in oilfield operations are provided. In one embodiment, the methods comprise injecting a sulfide scavenging additive that does not comprise a significant amount of an aldehyde into at least a portion of a subterranean formation where one or more sulfur-containing species are present; and injecting a synergistic additive comprising at least one base into at least the portion of the subterranean formation.Type: GrantFiled: December 22, 2014Date of Patent: February 4, 2020Assignee: Multi-Chem Group, LLCInventors: Liu Shi, Funian Zhao, Liangwei Qu, Edward Corrin
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Patent number: 10526873Abstract: Compositions, treatment fluids, and methods for providing corrosion inhibition in subterranean operations, pipelines, and other related operations are provided. In one embodiment, the methods comprise providing a tagged corrosion-inhibiting additive that comprises an imidazoline-based compound bonded with a detectable moiety; and introducing the tagged corrosion-inhibiting additive into at least a portion of a subterranean formation or pipeline.Type: GrantFiled: May 16, 2014Date of Patent: January 7, 2020Assignee: Multi-Chem Group, LLCInventors: Liangwei Qu, Nathan Darrell Davis
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Publication number: 20190338180Abstract: A method for inhibiting erosion (wear)-corrosion of downhole components in a secondary lift system, the method comprising: introducing a corrosion inhibitor and a lubricating agent into a wellbore; allowing the corrosion inhibitor and the lubricating agent to mix with a produced fluid to form a mixture; and recovering the mixture from the wellbore through a production tubing, wherein the corrosion inhibitor and/or the lubricating agent contact one or more of the downhole components of the secondary lift system. A system for inhibiting wear in secondary recovery comprising: a casing disposed in a producing wellbore; a production tubing extending into the casing; a downhole equipment disposed in the production tubing, wherein the downhole equipment comprises at least one equipment selected from the group consisting of a sucker rod, a plunger, and an electrical submersible pump; a treatment fluid for introduction into an annulus disposed between the casing and the production tubing.Type: ApplicationFiled: May 7, 2018Publication date: November 7, 2019Applicant: Multi-Chem Group, LLCInventor: Nathan Darrell Davis