Preventing Contaminant Deposits In Petroleum Oil Conduits Patents (Class 507/90)
  • Patent number: 10351757
    Abstract: The present invention relates to a method for removing organic deposits from oil and gas wells and other subsystem systems comprising cumene and biodiesel. The invention also relates to a method for removing organic deposits, including the steps for pumping said remover composition through a riser and/or through peripheral pipes of the umbilical and/or production pipe, leaving the composition in contact with the deposit for a sufficient time for removal of at least 50% of such.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: July 16, 2019
    Assignee: PETRÓLEO BRASILEIRO S.A.-PETROBRAS
    Inventors: Wendel Rodrigues Cezario, Rodrigo Pio Borges Menezes, Pedro Aledi Portugal, Rosana Serfaty De Campos, Guilherme dos Santos Vieira Lima, Plinio Martins Dias Da Silva
  • Patent number: 9845434
    Abstract: Biological source oils, including, but not limited to, algae oil, stabilize the presence of asphaltenes in petroleum feedstocks, such as crude oil, to help avoid or prevent fouling and/or corrosion in the production, transferring and processing of the petroleum feedstocks. Chemical additives such as phenol-based resins, and reaction products or combinations of long chain alpha-olefins and/or small chain aldehydes and/or long chain alkyl phenate sulfides and/or metal oxide-based colloidal hydrocarbon-based nanodispersions, may also stabilize the presence of asphaltenes in petroleum feedstocks. By “stabilizing” is meant keeping the asphaltenes in solution in the petroleum feedstocks.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: December 19, 2017
    Assignee: Baker Hughes, a GE company, LLC
    Inventors: Sai Reddy Pinappu, Lawrence N. Kremer, Corina L. Sandu
  • Patent number: 9671972
    Abstract: A method for data storage includes storing data in a group of analog memory cells by writing respective input storage values to the memory cells in the group. After storing the data, respective output storage values are read from the analog memory cells in the group. Respective confidence levels of the output storage values are estimated, and the confidence levels are compressed. The output storage values and the compressed confidence levels are transferred from the memory cells over an interface to a memory controller.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: June 6, 2017
    Assignee: Apple Inc.
    Inventors: Uri Perlmutter, Dotan Sokolov, Ofir Shalvi, Oren Golov
  • Patent number: 9670399
    Abstract: Acidizing fluids may be formulated to minimize the detrimental effects of precipitation during an acidizing operation by promoting production of precipitates from a subterranean formation. Methods for acidizing a subterranean formation can comprise: providing an acidizing fluid comprising a stabilized microemulsion carrier fluid, a chelating agent, and an acid source; introducing the acidizing fluid into a subterranean formation; at least partially dissolving a surface in the subterranean formation with the acidizing fluid, thereby forming a spent fluid; and producing the spent fluid from the subterranean formation.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 6, 2017
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Enrique A. Reyes, Alyssa L. Smith
  • Patent number: 9523054
    Abstract: Biological source oils, including, but not limited to, algae oil, stabilize the presence of asphaltenes in petroleum feedstocks, such as crude oil, to help avoid or prevent problematic issues caused by the asphaltenes, such as sludges, plugging, deposits, fouling and/or corrosion in the production, transferring and processing of the petroleum feedstocks. Chemical additives such as phenol-based resins, and reaction products or combinations of long chain alpha-olefins and/or small chain aldehydes and/or long chain alkyl phenate sulfides and/or metal oxide-based colloidal hydrocarbon-based nanodispersions, may also stabilize the presence of asphaltenes in petroleum feedstocks. By “stabilizing” is meant keeping the asphaltenes in solution in the petroleum feedstocks.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: December 20, 2016
    Assignee: Baker Hughes Incorporated
    Inventors: Sai Reddy Pinappu, Lawrence N. Kremer, Corina L. Sandu
  • Patent number: 9493598
    Abstract: Polymers are described that are polymerized from at least one reactive vinyl monomer having acid functionality or a salt thereof, and at least one reactive vinyl monomer having amide functionality. These polymers have a molecular weight from about 500 Da to about 15,000 Da; and may additionally comprise one or more solvent adducts. These polymers may be included in compositions that find use in oilfield applications, such as for inhibition and/or prevention of gas hydrates and/or corrosion.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: November 15, 2016
    Assignee: ISP INVESTMENTS LLC
    Inventors: Osama M. Musa, Cuiyue C. Lei
  • Patent number: 9452981
    Abstract: A pyroglutamic acid ester of formula (1) in which A represents a C2 to C4 alkylene group; x represents a number from 1 to 100; R? represents an aliphatic, cycloaliphatic or aromatic radical that contains at least one structural unit of formula 2, and; y represents a number from 1 to 100. The use of these pyroglutamic acid esters in quantities of 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases that are connected to a gaseous, liquid or solid organic phase.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: September 27, 2016
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Michael Feustel, Dirk Leinweber
  • Patent number: 9291051
    Abstract: The present invention relates to a method and system for identifying one or more characteristics within a subterranean reservoir of natural gas.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: March 22, 2016
    Assignee: ConocoPhillips Company
    Inventors: Keith C. Hester, James J. Howard
  • Patent number: 9260649
    Abstract: Disclosed are methods and systems for reducing the risk of oxidation of hydrate inhibitors such as monoethylene glycol used to prevent the formation of hydrates in fluid handling systems including flow lines and pipelines. A hydrate inhibitor storage tank in fluid communication with the fluid handling system is used to hold a volume of liquid hydrate inhibitor and a volume of high purity argon as a blanket gas.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: February 16, 2016
    Assignee: Chevron U.S.A. Inc.
    Inventor: Andrew Mark Titley
  • Patent number: 9228075
    Abstract: Disclosed herein is a composition for inhibiting a gas hydrate formation, the composition including an ionic liquid compound and polyvinylcaprolactam. The composition can reduce the formation rate of a gas hydrate under the same environment in small quantity, thus remarkably extending the induction time of a gas hydrate formation.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: January 5, 2016
    Assignee: Korea Institute of Energy Research
    Inventors: Seong-Pil Kang, Dongwook Lee, Howon Ra, Kisub Kim
  • Patent number: 9193671
    Abstract: A method of inhibiting gas hydrate formation in petroleum and natural gas production systems through the use of low dosage hydrate inhibitors which include reaction products of non-halide-containing inorganic acids, organic acids, and organic amines. The use of these non-halide-containing reaction products rather than chloride containing acids or alkylating agents avoids corrosion and stress cracking caused by residual inorganic chloride and other inorganic, halide-containing acids. The anti-agglomerate compositions can be administered continuously to effectively inhibit gas hydrate formation. In preferred embodiments, the anti-agglomerate compositions are mixtures of reaction products of non-halide-containing organic acids and organic amines.
    Type: Grant
    Filed: September 26, 2011
    Date of Patent: November 24, 2015
    Assignee: Multi-Chem Group, LLC
    Inventors: Danny Durham, Curtis Conkle, James Russum
  • Patent number: 9045676
    Abstract: This invention refers to the production and use of a petroleum asphaltene handler additive compound which when applied in heavy oil, causes asphaltenes to remain in suspension or dissolve, producing a viscosity reduction effect that prevents formation of precipitation of asphaltenic conglomerates in oil wells and storage tanks, as well as prevents pipelines from being obstructed. The molecular binding of the components of this new additive compound is such that the final liquid may be miscible in all types of oil. There are currently solubility models using different methods for handling asphaltenes; some of which use solvents which generate other problems to the physical and chemical stability of the oil, while others, as for example with the use of steam or heat, provide a temporary solution because the oil ultimately returns to the initial conditions thereof owing to the use of reversible processes.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: June 2, 2015
    Assignee: Geo Estratos, S.A. de C.V.
    Inventor: Vicente Gonzalez Davila
  • Publication number: 20150148266
    Abstract: The present invention generally relates to one or more compositions and methods for inhibiting the formation of gas hydrate agglomerates in a fluid. The fluid may be contained, for example, in an oil or gas pipeline or refinery.
    Type: Application
    Filed: November 26, 2013
    Publication date: May 28, 2015
    Applicant: Ecolab USA Inc.
    Inventors: Peter A. Webber, Sahana Nagappayya
  • Patent number: 9034804
    Abstract: Fluid treatment systems and compositions are provided including (a) at least one material including (1) at least one carboxylic acid functional group and (2) at least one sulfur-containing group selected from the group consisting of sulfonyl functional groups, sulfonate functional groups and mixtures thereof; and (b) at least one friction reducing agent selected from the group consisting of guar gums, polyacrylamides, hydratable cellulosic materials, viscoelastic surfactants, and mixtures thereof. The fluid treatment systems and compositions can be used to treat aqueous systems, for example as fracturing fluids for use in fracturing subterranean formations. Methods for inhibiting formation and/or precipitation of metal oxides in an aqueous composition using the fluid treatment systems or compositions also are provided.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: May 19, 2015
    Assignees: KROFF CHEMICAL COMPANY, NABORS COMPLETION & PRODUCTION SERVICES CO.
    Inventors: Paul Rey, Susan Rey, Michael John Seyman, Matthew E. Blauch
  • Patent number: 9034805
    Abstract: Fluid treatment systems and compositions are provided including (a) at least one material including (1) at least one carboxylic acid functional group and (2) at least one sulfur-containing group selected from the group consisting of sulfonyl functional groups, sulfonate functional groups and mixtures thereof; and (b) at least one scale control agent. The fluid treatment systems and compositions can be used to treat aqueous systems, for example as fracturing fluids for treating aqueous compositions found in subterranean formations. Methods for inhibiting formation and/or precipitation of calcium salts in an aqueous composition using the fluid treatment systems or compositions also are provided.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: May 19, 2015
    Assignees: KROFF CHEMICAL COMPANY, NABORS COMPLETION & PRODUCTION SERVICES CO.
    Inventors: Paul Rey, Susan Rey, Michael John Seyman, David Grottenthaler, Matthew E. Blauch
  • Publication number: 20150126413
    Abstract: A method for inhibiting the plugging of a conduit containing a flowable mixture comprising at least an amount of hydrocarbons capable of forming hydrates in the presence of water and an amount of water, which method comprises adding to the mixture an amount of a functionalized dendrimer effective to inhibit formation and/or accumulation of hydrates in the mixture at conduit temperatures and pressures; and flowing the mixture containing the functionalized dendrimer and any hydrates through the conduit wherein the functionalized dendrimer comprises two or more functional end groups selected from the group consisting of non-cyclic tertiary amine functional end groups, quaternary ammonium functional end groups, polyalkylene glycol functional end groups, quaternary ammonium zwitterionic end groups and phosphate or sulfate end groups.
    Type: Application
    Filed: December 17, 2012
    Publication date: May 7, 2015
    Inventor: Ulfert Cornelis Klomp
  • Publication number: 20150119299
    Abstract: A method of inhibiting hydrates in a fluid comprising water and gas comprising adding to the fluid an effective hydrate-inhibiting amount of a composition comprising one or more co-polymers of N-alkyl (alkyl)acrylamide monomers and one or more cationic monomers selected from acid and alkyl chloride quaternary salts of N,N-dialkylaminoalkyl (meth)acrylates and N,N-dialkylaminoalkyl (meth)acrylamides.
    Type: Application
    Filed: December 24, 2014
    Publication date: April 30, 2015
    Inventors: Peter G. Conrad, Erick J. Acosta, Kevin P. McNamee, Brian Bennett, Olga E.S. Lindeman, Joseph R. Carlise
  • Patent number: 9012377
    Abstract: Removing an asphaltene particle from a substrate includes contacting a silicate nanoparticle with a chemical group to form a functionalized silicate nanoparticle, the chemical group includes a first portion; and a second portion comprising an aromatic moiety, the first portion being bonded to the silicate nanoparticle; contacting the asphaltene particle with the functionalized silicate nanoparticle, the asphaltene particle being disposed on the substrate; interposing the functionalized silicate nanoparticle between the asphaltene particle and the substrate; and separating the asphaltene particle from the substrate with the functionalized silicate nanoparticle to remove the asphaltene particle. A composition includes a functionalized silicate nanoparticle comprising a reaction product of a silicate nanoparticle and an aromatic compound; and a fluid.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: April 21, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Valery Khabashesku, Oleg Mazyar, Soma Chakraborty, Gaurav Agrawal, Toby D. Hain
  • Patent number: 9012376
    Abstract: Methods of inhibiting corrosion of a metal surface in a well or pipeline are provided. The methods include the steps of: (a) forming a fluid of: (i) an aqueous acid solution; and (ii) inulin; and (b) introducing the fluid into the well or pipeline. The methods have wide application in various kinds of operations involved in the production or transportation of oil and gas, such as acid stimulation or remedial treatment in a pipeline.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: April 21, 2015
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Yogesh Kumar Choudhary, Anupom Sabhapondit, Deepak Ranganathan
  • Patent number: 9010430
    Abstract: Shaped particulates which have been compressed from a composite of a well treatment agent and adsorbent in a matrix may be introduced into horizontal or deviated oil or gas wells. The well treatment agent of the shaped pellets may be used to prevent and/or control the formation of deposits in a production well.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: April 21, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: John Gregory Darby, D. V. Satyanarayana Gupta, Dong Shen
  • Patent number: 8980798
    Abstract: The precipitation of polymeric kinetic hydrate inhibitors (KHIs) in stored produced water is prevented or inhibited by incorporating a water immiscible solvent therein having a polarity index greater than about 3. The polymeric KHIs whose precipitation is inhibited or prevented include, but are not limited to, hyperbranched molecules, polyvinylcaprolactam, polyvinylpyrrolidone, and the like. Suitable water immiscible solvents include, but are not necessarily limited to, xylene, toluene, kerosene, mineral spirits, trimethylbenzene, cumene, heavy aromatic naphtha, ethylbenzene, polyethylbenzene, naphthalene, and mixtures thereof.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: March 17, 2015
    Assignee: Baker Hughes Incorporated
    Inventors: Jun Tian, Cheryl R. Bailey
  • Patent number: 8940667
    Abstract: Fluid treatment systems and compositions are provided including (a) at least one material including (1) at least one carboxylic acid functional group and (2) at least one sulfur-containing group selected from the group consisting of sulfonyl functional groups, sulfonate functional groups and mixtures thereof; (b) at least one friction reducing agent selected from the group consisting of guar gums, polyacrylamides, hydratable cellulosic materials, viscoelastic surfactants, and mixtures thereof; and (c) at least one scale control agent. The fluid treatment systems and compositions can be used to treat aqueous systems, for example as fracturing fluids for treating aqueous compositions found in subterranean formations. Methods for inhibiting formation and/or precipitation of metal oxides in an aqueous composition using the fluid treatment systems or compositions also are provided.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: January 27, 2015
    Assignees: Kroff Chemical Company, Nabors Completion & Production Services Co.
    Inventors: Paul Rey, Susan Rey, Michael John Seyman, Matthew E. Blauch
  • Patent number: 8927467
    Abstract: Methods of preventing precipitation of calcium citrate and iron-based scale during acidizing treatments and related compositions are provided as embodiments of the present invention. The acidizing treatment fluid includes citric acid and tetra-salts of EDTA.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: January 6, 2015
    Assignee: Saudi Arabian Oil Company
    Inventor: Mohammed H. Al-Khaldi
  • Publication number: 20140367101
    Abstract: Treatment fluids suitable for use in subterranean operations may include a base fluid; a protected scale inhibitor; and at least one selected from the group consisting of (1) a metal crosslinker and a gelling agent, (2) an amine-based resin curing agent and an epoxy-based composition, and (3) any combination thereof, wherein the protected scale inhibitor is a scale inhibitor with at least one chelating group functionalized with a protecting group.
    Type: Application
    Filed: June 14, 2013
    Publication date: December 18, 2014
    Inventor: Thomas Donovan Welton
  • Publication number: 20140357532
    Abstract: A composition can be used for inhibiting the precipitation of asphaltene or paraffin or for dissolving asphaltene or paraffin. The composition includes: (A) one or more aliphatic compounds having 6 to 21 carbon atoms; (B) one or more alpha-olefins, wherein the alpha-olefins are acyclic and have 16 to 26 carbon atoms; and (C) camphor or a source of camphor. In addition, a method for removing at least some of an organic material in a portion of a wellbore, wellbore tubular, fracture system, matrix of a subterranean formation, or pipeline, the method comprising the steps of: (A) forming or providing such a composition; and (B) contacting the composition with the portion.
    Type: Application
    Filed: June 3, 2013
    Publication date: December 4, 2014
    Inventors: Anjali Ramesh Sarda, Prajakta Ratnakar Patil
  • Patent number: 8895478
    Abstract: The invention relates to novel polymers derived from: (A) at least one N-vinyl amide-based unit and/or at least one acrylamide-based unit, and (B) at least one unit comprising: (i) at least one hydroxyl group, and/or (ii) at least one functional group convertible to a hydroxyl group wherein at least one group is converted to hydroxyl functionality in the final polymer product, wherein the polymer comprises at least one ester group. The polymers and compositions are used in oilfield applications, such as an inhibitor of gas hydrates and/or a kinetic inhibitor of gas hydrates. The polymer can assume alternating, block, and/or random configurations of the repeating units, with at least one ester group.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: November 25, 2014
    Assignee: ISP Investments Inc.
    Inventors: Osama M. Musa, Cuiyue Lei
  • Patent number: 8889598
    Abstract: The subject-matter of the present invention is multifunctional corrosion inhibitors for protecting from top of line corrosion and bottom line corrosion for pipes used in particular in the petroleum industry. The corrosion-inhibiting compositions comprise, as inhibitors, at least one amine with a boiling point of between 105 and 130° C.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: November 18, 2014
    Assignee: CECA S.A.
    Inventors: Jean-Phillippe Gillet, Frédéric Moser, Tong Eak Pou
  • Patent number: 8887815
    Abstract: Inhibiting gas hydrate formation while transporting hydrocarbon fluids may include providing a kinetic gas hydrate inhibitor, adding the kinetic gas hydrate inhibitor to a fluid capable of producing gas hydrates, and transporting the fluid that comprises the kinetic gas hydrate inhibitor. Generally a kinetic gas hydrate inhibitor may include a heterocyclic compound comprising nitrogen, e.g., poly(vinyl pyrrolidone).
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: November 18, 2014
    Assignee: Halliburton Energy Services, Inc.
    Inventor: Alexandra Clare Morrison
  • Patent number: 8877689
    Abstract: Of the many compositions and methods provided herein, one example composition includes a treatment fluid comprising: an aqueous fluid; and a tar stabilizing polymer comprising at least one polymer selected from the group consisting of a styrene polymer, an acrylate polymer, a styrene-acrylate polymer, and any combination thereof.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: November 4, 2014
    Assignee: Haliburton Energy Services, Inc.
    Inventors: Philip Wayne Livanec, Greg Paul Perez
  • Publication number: 20140303044
    Abstract: The subject-matter of the present invention is multifunctional corrosion inhibitors for protecting from top of line corrosion and bottom line corrosion for pipes used in particular in the petroleum industry. The corrosion-inhibiting compositions comprise, as inhibitors, at least one amine with a boiling point of between 105 and 130° C.
    Type: Application
    Filed: June 2, 2011
    Publication date: October 9, 2014
    Inventors: Jean-Phillippe Gillet, Frédéric Moser, Tong Eak Pou
  • Publication number: 20140271757
    Abstract: Compositions having antimicrobial activity contain surface functionalized particles comprising an inorganic copper salt which has low water solubility. These types of inorganic salts may also be introduced in porous particles to yield antimicrobial compositions. The compositions may optionally comprise additional antimicrobial agents, salts with high water solubility, organic acids, salts of organic acids and their esters. The compositions may be added to various fluids used in the petroleum extraction industry, or used as coatings on components used in this industry. These antimicrobial materials may be used for reducing both anaerobic and aerobic bacteria and are also useful for reducing corrosion of ferrous components caused by anaerobic bacteria. Although such compositions may be used for any antimicrobial application, and some of the other important uses of these compositions are in wound care, personal care and waste processing.
    Type: Application
    Filed: November 25, 2013
    Publication date: September 18, 2014
    Applicant: AGIENIC, INC.,
    Inventors: Anoop Agrawal, Nicholas R. Krasnow, John P. Cronin, Lori L. Adams, Murat Akarsu, Ryan J. Reeser, Juan Carlos Lopez-Tonazzi, Donald R. Uhlmann
  • Publication number: 20140256599
    Abstract: The present invention relates to methods of inhibiting the formation or agglomeration of gas hydrates using amidines or guanidines. The invention further relates to compositions comprising amidines or guanidines that find use as gas hydrate inhibitors, as well as processes for preparing alkylated amidinium or guanidinium salts.
    Type: Application
    Filed: October 10, 2012
    Publication date: September 11, 2014
    Applicant: ECO INHIBITORS AS
    Inventor: Malcolm Andrew Kelland
  • Patent number: 8821754
    Abstract: The present invention relates to the use of a specific group of alkoxylated and/or acylated non-quaternary nitrogen-containing compounds as anti-agglomerants for gas hydrates. The invention also relates to a method for inhibiting the agglomeration of gas hydrates in a conduit, and compositions comprising the gas hydrate anti-agglomerant, a corrosion inhibitor and/or a paraffin deposition inhibitor.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: September 2, 2014
    Assignee: Akzo Nobel N.V.
    Inventors: Martin Hellsten, Hans Oskarsson
  • Publication number: 20140234427
    Abstract: The invention provides a method of preventing or reducing the growth of crystals in a substance which is susceptible to crystal growth in which colloidal particles having an amphiphilic structure, e.g. Janus particles, are contacted with the substance. Colloidal particles suitable for use in the invention include cross-linked, colloidal materials formed from hydrophobic monomers such as acrylates or methacrylates and hydrophilic monomers such as those derived from acrylic and/or methacrylic acid. The colloidal particles find particular use in methods of cryopreservation of biological samples (e.g. cells, tissues or organs), as a texture modifier in frozen food products, in the inhibition of gas hydrate formation, and as scale inhibitors.
    Type: Application
    Filed: October 5, 2012
    Publication date: August 21, 2014
    Applicant: UNIVERSITY OF WARWICK
    Inventors: Matthew Ian Gibson, Stefan Antonius Franciscus Bon
  • Publication number: 20140216748
    Abstract: The invention concerns bifunctional compositions usable in the field of extraction of hydrocarbons, oil and/or gas, said compositions being homogeneous, clear and stable and comprising at least one anti-mineral-deposit additive, at least one corrosion inhibitor, and at least one agent for compatibilizing between the anti-mineral-deposit additive and the corrosion inhibitor.
    Type: Application
    Filed: September 4, 2012
    Publication date: August 7, 2014
    Applicant: CECA S.A.
    Inventor: Tong Eak Pou
  • Patent number: 8778850
    Abstract: Formulation for a natural product as a replacement for the use of traditional acidic chemical stimulation methods for the emulsification, removal and release of paraffin and asphaltenes from low producing or pumped off wells and reservoirs with the use of traditional methodologies. Also a method of use of formulation for stimulating an oil well consisting of introducing into the wellbore a biodegradable, non-reactive fluid system containing a water-miscible fatty acid solvent, a solution of fatty acids, an amino alcohol, and at least one non-ionic surfactant. The fluid system may be further in the form of a nanoemulsion that is formed by combining a colloidal solution with one or more emulsifiers, an alcohol, and water. The fluid system may be used in well remediation and stimulation as well as additional, alternative applications such as the cleaning of surface and/or downhole equipment.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: July 15, 2014
    Assignee: Green Earth Technologies, Inc.
    Inventor: Paul Andrecola
  • Publication number: 20140190692
    Abstract: Production-treating chemicals, such as paraffin inhibitors, corrosion inhibitors and scale inhibitors are provided along with water-soluble polymers in a base oil phase to be used in a well treatment. The mixture may be provided as a separate product or mixed at a well site when performing a well treatment, such as hydraulic fracturing, acidizing or gravel packing.
    Type: Application
    Filed: June 10, 2013
    Publication date: July 10, 2014
    Inventors: Jeffrey C. Hibbeler, James M. Brown
  • Publication number: 20140187449
    Abstract: Removing an asphaltene particle from a substrate includes contacting a silicate nanoparticle with a chemical group to form a functionalized silicate nanoparticle, the chemical group includes a first portion; and a second portion comprising an aromatic moiety, the first portion being bonded to the silicate nanoparticle; contacting the asphaltene particle with the functionalized silicate nanoparticle, the asphaltene particle being disposed on the substrate; interposing the functionalized silicate nanoparticle between the asphaltene particle and the substrate; and separating the asphaltene particle from the substrate with the functionalized silicate nanoparticle to remove the asphaltene particle. A composition includes a functionalized silicate nanoparticle comprising a reaction product of a silicate nanoparticle and an aromatic compound; and a fluid.
    Type: Application
    Filed: December 31, 2012
    Publication date: July 3, 2014
    Applicant: Baker Hughes Incorporated
    Inventors: Valery Khabashesku, Oleg Mazyar, Soma Chakraborty, Gaurav Agrawal, Toby D. Hain
  • Publication number: 20140171345
    Abstract: A well treatment composite comprising a well treatment agent adsorbed onto a water-insoluble adsorbent may be prepared by precipitating the well treatment agent, in the presence of a metal salt, from a liquid while the well treatment agent is being adsorbed onto the water-insoluble adsorbent. After a treatment fluid containing the composite is introduced into a well or a subterranean formation, the well treatment agent is slowly released from the composite. The composite permits a continuous supply of the well treatment agent into a targeted area and is particularly effective in high pH treatment fluids.
    Type: Application
    Filed: February 21, 2014
    Publication date: June 19, 2014
    Inventor: William H. Steiner
  • Patent number: 8746044
    Abstract: A gelled composition for pipeline, flowline, pipeline jumper or flowline jumper dewatering or preventing ingress of seawater into open pipeline systems or components during tie-in operations of jumpers or additional pipe, valving, manifolds, subsea pipeline architecture or flow conduits operations is disclosed, where the composition includes a concentrated metal formate solution and a hydratable polymer. The gelled formate compositions have improved dewatering properties with 100% or 360 pipe coverage. The gelled formate compositions have can also be reused by breaking and reformulation.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: June 10, 2014
    Assignee: Clearwater International LLC
    Inventors: Jack Curr, Brian Hallett, Alan Sweeney
  • Publication number: 20140155299
    Abstract: A method of inhibiting scale in a subterranean formation comprises pretreating the subterranean formation with a polyquaternary amine that serves as a squeeze life extention (SLE) agent, and then introducing a scale inhibitor pill into the subterranean formation, wherein the scale inhibitor pill includes one or more scale inhibitor compositions. For example, the polyquaternary amine may be a polymer having up to 5 quaternary amine centers, but is preferably a nonpolymeric diquaternary amine having a molecular weight of from 250 to 500. One such example is 1,3-propandiaminium, 2-hydroxy-N,N,N,N?,N?,N?-hexamethyl-, dichloride. The SLE agent is preferably introduced into the formation in a brine solution having a concentration from 0.1 to 20 weight percent. The SLE agents may be used with a variety of known scale inhibitors and scale inhibitor chemistries.
    Type: Application
    Filed: May 22, 2013
    Publication date: June 5, 2014
    Applicant: CORSICANA TECHNOLOGIES, INC.
    Inventors: Julie Hardy, Curtis Sitz
  • Patent number: 8741816
    Abstract: Of the many compositions and methods provided herein, one method includes a method comprising: contacting tar resident in a well bore with a tar stabilizing polymer comprising at least one polymer selected from the group consisting of a styrene polymer, an acrylate polymer, a styrene-acrylate polymer, and any combination thereof; and allowing the tar stabilizing polymer to interact with the tar to at least partially reduce the tendency of the tar to adhere to a surface.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: June 3, 2014
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Philip Wayne Livanec, Greg Paul Perez
  • Patent number: 8735332
    Abstract: A method for preventing the formation of gas hydrates in an aqueous phase by adding esters of pyroglutamic acid in the quantities of from 0.01 to 2% by weight. The esters of pyroglutamic acid produced by esterifying at least one alcohols, comprising from 1 to 100 hydroxyl groups with pyroglutamic acid and/or glutamic acid, wherein the alcohol has no more than one ester group or no more than one carboxylic acid group.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: May 27, 2014
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Dirk Leinweber, Michael Feustel
  • Publication number: 20140142002
    Abstract: A kinetic gas hydrate inhibitor is provided as a polyester polymer with a plurality of amino or ammonium groups pendent directly from the backbone. A composition containing concentrated kinetic inhibitor is injected into gas wells, or into other systems involving transporting liquid gas mixtures through a conduit. Use of the kinetic inhibitor prevents formation of gas hydrates under conditions of temperature and pressure where they would otherwise occur.
    Type: Application
    Filed: November 16, 2012
    Publication date: May 22, 2014
    Applicant: M-I, L.L.C.
    Inventors: Rachel Anne Cole, Anders Grinrod, Alexandra Cely
  • Patent number: 8728325
    Abstract: Advanced oxidation process namely ozonation and Fenton's (hydrogen peroxide/Fe:2+) were utilized to degrade kinetic hydrate inhibitor (KHI). The oxidized solution after scavenging oxygen can be successfully disposed to the injection well. This facilitates use of KHI more frequently and in higher concentrations for future projects oil & gas operations. It also offers an alternative that competes efficiently with thermodynamic hydrate inhibitor (THI) or complements THI.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: May 20, 2014
    Assignee: ConocoPhillips Company
    Inventors: Altaf Hussain, Isik Riza Turkmen, Joel Minier Matar, Samir Gharfeh, Samer Adham
  • Patent number: 8722589
    Abstract: The invention provides for the use of 1-alkyl-5-oxopyrrolidine-3-carboxylic esters, preparable by esterifying alcohols having from 1 to 100 hydroxyl groups with 1-alkyl-5-oxopyrrolidine-3-carboxylic acid, in amounts of from 0.01 to 2% by weight for preventing the formation of gas hydrates in aqueous phases which are in contact with a gaseous, liquid or solid organic phase.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: May 13, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Dirk Leinweber, Alexander Roesch, Michael Feustel
  • Patent number: 8716198
    Abstract: The present invention relates to a method of removing and preventing water and condensate blocks in wells by contacting a subterranean formation with a composition comprising a low molecular weight fluorinated copolymer having perfluoro alkyl moieties which are no longer than C6. A fluorinated copolymer of low molecular weight of about 50,000 g/mol and a method of preparing the same are also disclosed.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: May 6, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Cheryl Lynn Iaconelli, Gerald Oronde Brown, Christopher James Martin, Erick J. Acosta
  • Patent number: 8703656
    Abstract: According to one aspect of the invention, a method of converting an oxy halide salt into a halide dioxide in a reaction zone under certain conditions is provided. More specifically, the method includes generating chlorine dioxide from a stable composition comprising an oxy halide salt by introducing said composition to a reducing agent and minimum temperature within the reaction zone. According to another aspect of the invention, a composition for a stable chlorine dioxide precursor comprising an oxy halide salt is provided.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: April 22, 2014
    Assignee: Sabre Intellectual Property Holdings LLC
    Inventor: John Y. Mason
  • Patent number: 8703655
    Abstract: A homopolymer of a monomer selected from those having the general formula: wherein: R1 is H or CH3; R2 is H or an alkyl group having from 1 to about 4 carbon atoms; A is a straight or branched chain alkyl group having from 1 to 10 carbon atoms; and R3, R4, and R5 each are independently an alkyl group having from 1 to 6 carbon atoms; or a copolymer of such monomers as acrylate, acrylamide or methacrylamide may be used to disperse metal sulfides prior to their forming scales during the production and transportation of crude oil. Terpolymers of dimethyldiallylammonium salt, 2-hydroxypropyl acrylate; and acrylic acid may also be used for this purpose. The production fluid may also be treated with a compound that promotes the formation of dispersible sulfide scales.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: April 22, 2014
    Assignee: Baker Hughes Incorporated
    Inventors: Marc N. Lehmann, Faezeh F. Firouzkouhi, Michael P. Squicciarini, Tauseef Salma
  • Publication number: 20140106991
    Abstract: A composition comprising the following formula and optionally salts thereof is disclosed and claimed.
    Type: Application
    Filed: October 15, 2012
    Publication date: April 17, 2014
    Inventors: Eric J. Acosta, Peter A. Webber