NO992108D0 - FremgangsmÕte og sammensetning for fjerning av sulfider fra fluidstr°mmer - Google Patents

FremgangsmÕte og sammensetning for fjerning av sulfider fra fluidstr°mmer

Info

Publication number
NO992108D0
NO992108D0 NO992108A NO992108A NO992108D0 NO 992108 D0 NO992108 D0 NO 992108D0 NO 992108 A NO992108 A NO 992108A NO 992108 A NO992108 A NO 992108A NO 992108 D0 NO992108 D0 NO 992108D0
Authority
NO
Norway
Prior art keywords
composition
fluid streams
removing sulfides
sulfides
streams
Prior art date
Application number
NO992108A
Other languages
English (en)
Other versions
NO992108L (no
Inventor
Neil Andrew Warrender
John Cossar
Original Assignee
Stanchem Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stanchem Inc filed Critical Stanchem Inc
Publication of NO992108D0 publication Critical patent/NO992108D0/no
Publication of NO992108L publication Critical patent/NO992108L/no

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456—Removing acid components
    • B01D53/1468—Removing hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G29/00—Refining of hydrocarbon oils, in the absence of hydrogen, with other chemicals
    • C10G29/20—Organic compounds not containing metal atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/12—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
    • C10K1/14—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors organic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10—Feedstock materials
    • C10G2300/1025—Natural gas
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20—Characteristics of the feedstock or the products
    • C10G2300/201—Impurities
    • C10G2300/207—Acid gases, e.g. H2S, COS, SO2, HCN

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • Gas Separation By Absorption (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
NO992108A 1996-11-04 1999-04-30 FremgangsmÕte og sammensetning for fjerning av sulfider fra fluidstr°mmer NO992108L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/743,120 US6267938B1 (en) 1996-11-04 1996-11-04 Scavengers for use in reducing sulfide impurities
PCT/CA1997/000826 WO1998019774A1 (en) 1996-11-04 1997-11-04 Method and composition for removing sulfides from fluid streams

Publications (2)

Publication Number Publication Date
NO992108D0 true NO992108D0 (no) 1999-04-30
NO992108L NO992108L (no) 1999-04-30

Family

ID=24987590

Family Applications (1)

Application Number Title Priority Date Filing Date
NO992108A NO992108L (no) 1996-11-04 1999-04-30 FremgangsmÕte og sammensetning for fjerning av sulfider fra fluidstr°mmer

Country Status (7)

Country Link
US (1) US6267938B1 (no)
EP (1) EP0938363B1 (no)
AU (1) AU4859697A (no)
CA (1) CA2269476A1 (no)
DE (1) DE69721806T2 (no)
NO (1) NO992108L (no)
WO (1) WO1998019774A1 (no)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO982505L (no) * 1997-06-04 1998-12-07 Nalco Exxon Energy Chem Lp Sammensetning og fremgangsmÕte for avsvovling av gassformige eller flytende hydrokarboner, vandige systemer og blandinger derav
EP0971025A1 (en) * 1998-07-10 2000-01-12 The Procter & Gamble Company Amine reaction compounds comprising one or more active ingredient
US6582624B2 (en) 2001-02-01 2003-06-24 Canwell Enviro-Industries, Ltd. Method and composition for removing sulfides from hydrocarbon streams
US8273693B2 (en) 2001-12-12 2012-09-25 Clearwater International Llc Polymeric gel system and methods for making and using same in hydrocarbon recovery
US7140433B2 (en) * 2003-12-12 2006-11-28 Clearwater International, Llc Diamine terminated primary amine-aldehyde sulfur converting compositions and methods for making and using same
US7517447B2 (en) * 2004-01-09 2009-04-14 Clearwater International, Llc Sterically hindered N-methylsecondary and tertiary amine sulfur scavengers and methods for making and using same
US7264786B2 (en) * 2004-04-21 2007-09-04 Bj Services Company Method of scavenging hydrogen sulfide and/or mercaptans from fluid and gas streams
FR2877858B1 (fr) * 2004-11-12 2007-01-12 Inst Francais Du Petrole Procede de desacidification d'un gaz avec une solution absorbante a regeneration fractionnee
US8563481B2 (en) 2005-02-25 2013-10-22 Clearwater International Llc Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same
US20070119747A1 (en) * 2005-11-30 2007-05-31 Baker Hughes Incorporated Corrosion inhibitor
US9334713B2 (en) 2005-12-09 2016-05-10 Ronald van Petegem Produced sand gravel pack process
US8871694B2 (en) * 2005-12-09 2014-10-28 Sarkis R. Kakadjian Use of zeta potential modifiers to decrease the residual oil saturation
US8950493B2 (en) 2005-12-09 2015-02-10 Weatherford Technology Holding LLC Method and system using zeta potential altering compositions as aggregating reagents for sand control
US8946130B2 (en) * 2005-12-09 2015-02-03 Clearwater International Llc Methods for increase gas production and load recovery
US8097567B2 (en) 2006-01-09 2012-01-17 Clearwater International, Llc Well drilling fluids having clay control properties
US8084401B2 (en) 2006-01-25 2011-12-27 Clearwater International, Llc Non-volatile phosphorus hydrocarbon gelling agent
US7678835B2 (en) * 2006-04-10 2010-03-16 Momentive Performance Materials Inc. Low-foaming gas processing compositions and uses thereof
US7921046B2 (en) * 2006-06-19 2011-04-05 Exegy Incorporated High speed processing of financial information using FPGA devices
US7712535B2 (en) * 2006-10-31 2010-05-11 Clearwater International, Llc Oxidative systems for breaking polymer viscosified fluids
US8172952B2 (en) * 2007-02-21 2012-05-08 Clearwater International, Llc Reduction of hydrogen sulfide in water treatment systems or other systems that collect and transmit bi-phasic fluids
US8596364B2 (en) 2007-04-03 2013-12-03 M-I Llc Process for preventing or remediating trithiazine deposition in high H2S wells
US7565933B2 (en) * 2007-04-18 2009-07-28 Clearwater International, LLC. Non-aqueous foam composition for gas lift injection and methods for making and using same
US7992653B2 (en) 2007-04-18 2011-08-09 Clearwater International Foamed fluid additive for underbalance drilling
US8158562B2 (en) * 2007-04-27 2012-04-17 Clearwater International, Llc Delayed hydrocarbon gel crosslinkers and methods for making and using same
US7942201B2 (en) * 2007-05-11 2011-05-17 Clearwater International, Llc Apparatus, compositions, and methods of breaking fracturing fluids
US8034750B2 (en) * 2007-05-14 2011-10-11 Clearwater International Llc Borozirconate systems in completion systems
US8728989B2 (en) 2007-06-19 2014-05-20 Clearwater International Oil based concentrated slurries and methods for making and using same
US8065905B2 (en) 2007-06-22 2011-11-29 Clearwater International, Llc Composition and method for pipeline conditioning and freezing point suppression
US8099997B2 (en) 2007-06-22 2012-01-24 Weatherford/Lamb, Inc. Potassium formate gel designed for the prevention of water ingress and dewatering of pipelines or flowlines
US7989404B2 (en) 2008-02-11 2011-08-02 Clearwater International, Llc Compositions and methods for gas well treatment
US20090242461A1 (en) * 2008-03-28 2009-10-01 Sherif Eldin Hydrogen sulfide scavengers and methods for removing hydrogen sulfide from asphalt
US8141661B2 (en) * 2008-07-02 2012-03-27 Clearwater International, Llc Enhanced oil-based foam drilling fluid compositions and method for making and using same
US7956217B2 (en) * 2008-07-21 2011-06-07 Clearwater International, Llc Hydrolyzed nitrilotriacetonitrile compositions, nitrilotriacetonitrile hydrolysis formulations and methods for making and using same
MX2011002377A (es) * 2008-09-02 2011-09-21 Gen Electric Procedimiento para remover sulfuro de hidrogeno en petroleo crudo.
US8287640B2 (en) * 2008-09-29 2012-10-16 Clearwater International, Llc Stable foamed cement slurry compositions and methods for making and using same
US9909404B2 (en) 2008-10-08 2018-03-06 The Lubrizol Corporation Method to consolidate solid materials during subterranean treatment operations
US9945220B2 (en) 2008-10-08 2018-04-17 The Lubrizol Corporation Methods and system for creating high conductivity fractures
US7932214B2 (en) * 2008-11-14 2011-04-26 Clearwater International, Llc Foamed gel systems for fracturing subterranean formations, and methods for making and using same
US7931882B1 (en) 2008-12-19 2011-04-26 Syneco Systems Inc Sulfide scavenging media and associated methods
US8011431B2 (en) * 2009-01-22 2011-09-06 Clearwater International, Llc Process and system for creating enhanced cavitation
US8093431B2 (en) * 2009-02-02 2012-01-10 Clearwater International Llc Aldehyde-amine formulations and method for making and using same
US9328285B2 (en) * 2009-04-02 2016-05-03 Weatherford Technology Holdings, Llc Methods using low concentrations of gas bubbles to hinder proppant settling
US8466094B2 (en) 2009-05-13 2013-06-18 Clearwater International, Llc Aggregating compositions, modified particulate metal-oxides, modified formation surfaces, and methods for making and using same
US20100305010A1 (en) * 2009-05-28 2010-12-02 Clearwater International, Llc High density phosphate brines and methods for making and using same
US20100311620A1 (en) * 2009-06-05 2010-12-09 Clearwater International, Llc Winterizing agents for oil base polymer slurries and method for making and using same
US20110001083A1 (en) * 2009-07-02 2011-01-06 Clearwater International, Llc Environmentally benign water scale inhibitor compositions and method for making and using same
US9296940B2 (en) 2009-12-21 2016-03-29 Baker Hughes Incorporated Dithiazine derivatives
US8022018B2 (en) * 2009-12-21 2011-09-20 Baker Hughes Incorporated Quaternized dithiazines and method of using same in treatment of wells
US8354361B2 (en) 2009-12-21 2013-01-15 Baker Hughes Incorporated Method of using dithiazines and derivatives thereof in the treatment of wells
US8022017B2 (en) * 2009-12-21 2011-09-20 Baker Hughes Incorporated Method of using dithiazine to inhibit corrosion
US9447657B2 (en) 2010-03-30 2016-09-20 The Lubrizol Corporation System and method for scale inhibition
US8835364B2 (en) 2010-04-12 2014-09-16 Clearwater International, Llc Compositions and method for breaking hydraulic fracturing fluids
US8899328B2 (en) 2010-05-20 2014-12-02 Clearwater International Llc Resin sealant for zonal isolation and methods for making and using same
US8851174B2 (en) 2010-05-20 2014-10-07 Clearwater International Llc Foam resin sealant for zonal isolation and methods for making and using same
US9085724B2 (en) 2010-09-17 2015-07-21 Lubri3ol Oilfield Chemistry LLC Environmentally friendly base fluids and methods for making and using same
US8846585B2 (en) 2010-09-17 2014-09-30 Clearwater International, Llc Defoamer formulation and methods for making and using same
US8524639B2 (en) 2010-09-17 2013-09-03 Clearwater International Llc Complementary surfactant compositions and methods for making and using same
US9062241B2 (en) 2010-09-28 2015-06-23 Clearwater International Llc Weight materials for use in cement, spacer and drilling fluids
US8512449B1 (en) 2010-12-03 2013-08-20 Jacam Chemical Company 2013, Llc Oil-soluble triazine sulfide scavenger
US8841240B2 (en) 2011-03-21 2014-09-23 Clearwater International, Llc Enhancing drag reduction properties of slick water systems
US8920568B2 (en) 2011-03-28 2014-12-30 Baker Hughes Incorporated Method for the dissolution of amorphous dithiazine
US9022120B2 (en) 2011-04-26 2015-05-05 Lubrizol Oilfield Solutions, LLC Dry polymer mixing process for forming gelled fluids
US9464504B2 (en) 2011-05-06 2016-10-11 Lubrizol Oilfield Solutions, Inc. Enhancing delaying in situ gelation of water shutoff systems
US9394396B2 (en) 2011-06-21 2016-07-19 Baker Hughes Incorporated Hydrogen sulfide scavenger for use in hydrocarbons
US8944164B2 (en) 2011-09-28 2015-02-03 Clearwater International Llc Aggregating reagents and methods for making and using same
US8932996B2 (en) 2012-01-11 2015-01-13 Clearwater International L.L.C. Gas hydrate inhibitors and methods for making and using same
WO2014052238A1 (en) 2012-09-25 2014-04-03 Weatherford/Lamb, Inc. High water and brine swell elastomeric compositions and method for making and using same
US10669468B2 (en) 2013-10-08 2020-06-02 Weatherford Technology Holdings, Llc Reusable high performance water based drilling fluids
US10202828B2 (en) 2014-04-21 2019-02-12 Weatherford Technology Holdings, Llc Self-degradable hydraulic diversion systems and methods for making and using same
US10001769B2 (en) 2014-11-18 2018-06-19 Weatherford Technology Holdings, Llc Systems and methods for optimizing formation fracturing operations
US10494564B2 (en) 2017-01-17 2019-12-03 PfP INDUSTRIES, LLC Microemulsion flowback recovery compositions and methods for making and using same
US10414989B2 (en) 2016-04-15 2019-09-17 Baker Hughes, A Ge Company, Llc Chemical process for sulfur reduction of hydrocarbons
US10570344B2 (en) 2016-04-15 2020-02-25 Baker Hughes, A Ge Company, Llc Chemical process for sulfur reduction of hydrocarbons
US10870791B2 (en) 2017-08-14 2020-12-22 PfP Industries LLC Compositions and methods for cross-linking hydratable polymers using produced water
US11236609B2 (en) 2018-11-23 2022-02-01 PfP Industries LLC Apparatuses, systems, and methods for dynamic proppant transport fluid testing
CN110624390A (zh) * 2019-08-16 2019-12-31 内蒙古工业大学 一种羰基硫储集材料的快速合成方法
US11905462B2 (en) 2020-04-16 2024-02-20 PfP INDUSTRIES, LLC Polymer compositions and fracturing fluids made therefrom including a mixture of cationic and anionic hydratable polymers and methods for making and using same
US11946008B2 (en) * 2022-05-04 2024-04-02 Nexgen Oilfield Chemicals, Llc Compositions and methods for scavenging hydrogen sulfide

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130568B (en) 1982-11-23 1986-03-05 Texaco Development Corp Vanadium-amine corrosion inhibitor system for sour gas conditioning solutions
DE3421702A1 (de) * 1984-06-12 1985-12-12 Cassella Ag, 6000 Frankfurt Verfahren zur herstellung von 1,3,5-trithian
DE68923793T2 (de) 1988-12-23 1996-04-04 Petrolite Holdings Inc Verfahren zum süssen von kohlenwasserstoffen.
US4978512B1 (en) 1988-12-23 1993-06-15 Composition and method for sweetening hydrocarbons
CA2017047C (en) 1989-08-01 1999-08-17 Jerry J. Weers Method of scavenging hydrogen sulfide from hydrocarbons
US5128049A (en) * 1991-01-22 1992-07-07 Gatlin Larry W Hydrogen sulfide removal process
US5488103A (en) * 1991-07-11 1996-01-30 Gatlin; Larry W. Hydrogen sulfide converter
US5314672A (en) * 1992-05-22 1994-05-24 Sweetchem Corp. Composition and method for sweetening hydrocarbons
US5347004A (en) 1992-10-09 1994-09-13 Baker Hughes, Inc. Mixtures of hexahydrotriazines useful as H2 S scavengers
US5347003A (en) * 1993-03-05 1994-09-13 Quaker Chemical Corporation Methods for regenerating a sulfur scavenging compound from a product of a sulfur scavenging reaction
US5354453A (en) * 1993-04-13 1994-10-11 Exxon Chemical Patents Inc. Removal of H2 S hydrocarbon liquid
US5405591A (en) 1994-01-27 1995-04-11 Galtec Canada, Ltd. Method for removing sulphide(s) from sour gas
US5462721A (en) 1994-08-24 1995-10-31 Crescent Holdings Limited Hydrogen sulfide scavenging process
US5980845A (en) * 1994-08-24 1999-11-09 Cherry; Doyle Regeneration of hydrogen sulfide scavengers
US5688478A (en) * 1994-08-24 1997-11-18 Crescent Holdings Limited Method for scavenging sulfides
US5674377A (en) * 1995-06-19 1997-10-07 Nalco/Exxon Energy Chemicals, L.P. Method of treating sour gas and liquid hydrocarbon

Also Published As

Publication number Publication date
AU4859697A (en) 1998-05-29
EP0938363B1 (en) 2003-05-07
US6267938B1 (en) 2001-07-31
DE69721806D1 (de) 2003-06-12
WO1998019774A1 (en) 1998-05-14
EP0938363A1 (en) 1999-09-01
CA2269476A1 (en) 1998-05-14
DE69721806T2 (de) 2004-02-26
NO992108L (no) 1999-04-30

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