AR009693A1 - Procedimiento para control termo-hidraulico de hidratos de gas - Google Patents

Procedimiento para control termo-hidraulico de hidratos de gas

Info

Publication number
AR009693A1
AR009693A1 ARP980104644A ARP980104644A AR009693A1 AR 009693 A1 AR009693 A1 AR 009693A1 AR P980104644 A ARP980104644 A AR P980104644A AR P980104644 A ARP980104644 A AR P980104644A AR 009693 A1 AR009693 A1 AR 009693A1
Authority
AR
Argentina
Prior art keywords
gas
thickened
procedure
salts
hydrates
Prior art date
Application number
ARP980104644A
Other languages
English (en)
Original Assignee
Petroleo Brasileiro Sa
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 Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa
Publication of AR009693A1 publication Critical patent/AR009693A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/22—Hydrates inhibition by using well treatment fluids containing inhibitors of hydrate formers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/927—Well cleaning fluid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S585/00—Chemistry of hydrocarbon compounds
    • Y10S585/949—Miscellaneous considerations
    • Y10S585/95—Prevention or removal of corrosion or solid deposits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y10T137/0391—Affecting flow by the addition of material or energy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pipeline Systems (AREA)
  • Lubricants (AREA)

Abstract

Procedimiento para control termo-hidráulico de hidratos de gas en pozos submarinos de produccion de petroleo, pozos de inyeccion y conductos para eltransporte de petroleo o gas, utilizando dicho procedimiento el sistema generador denitro geno espumado. Para condiciones de uso preventivo deformacion de hidratos el sistema generador de nitrogeno evita que se presenten las condiciones de alta presion y baja temperatura que propician el desarrollode los hidratos de gas. Paracondiciones de correccion, en contacto con los bloques de hidratos de gas ya formados, el sistema generador de nitrogenoreduce la presion hidrostática y aumenta la temperatura del medio, de manera de disolver los bloques de hidratos. Elprocedimiento con siste en a) prepararen un solo recipiente de mezcla una solucion acuosa equimolar de sales de cloruro de amonio y de nitrito de sodio en una concentracion entre 2,0 y 4,5molar predeterminada a partir de estudios de cinéticaquímica; b) espesar dicha solucion de sales de a) con celulosa hidroxietílica a una concentracionentre 0,3 a 1,2% peso/volumen manteniendo el pH entre 8,0 y 8,3; c) preparar por separado una solucion de agente activador de ácido acético al 40%envolumen; d) agr egar entre 1 y 2% de volumen de agente activador de c) a la solucion acuosa de sales espesada, de manera de generar fluido de gasnitrogeno espumado y espesado; e) bombear el fluido generador de gas nitrogeno ycalor, espumado y espesa do a través de un tubo flexible de manerade lograr el contacto del fluido con el hidrato de gas y disolver el hidrato de gas por medio del aumento de la temperatura y la reduccion de la presion;f) recuperar los fluidosutilizados y separar la fase acuosa en un separador adecuado.
ARP980104644A 1997-10-17 1998-09-17 Procedimiento para control termo-hidraulico de hidratos de gas AR009693A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9705076-8A BR9705076A (pt) 1997-10-17 1997-10-17 Processo para o controle termo-hidráulico de hidrato de gás

Publications (1)

Publication Number Publication Date
AR009693A1 true AR009693A1 (es) 2000-04-26

Family

ID=4068116

Family Applications (2)

Application Number Title Priority Date Filing Date
ARP980104644A AR009693A1 (es) 1997-10-17 1998-09-17 Procedimiento para control termo-hidraulico de hidratos de gas
ARP990102407A AR017239A2 (es) 1997-10-17 1999-05-20 Procedimiento para control-hidraulico de hidratos de gas mediante el sistema generador de nitrogeno/solucion

Family Applications After (1)

Application Number Title Priority Date Filing Date
ARP990102407A AR017239A2 (es) 1997-10-17 1999-05-20 Procedimiento para control-hidraulico de hidratos de gas mediante el sistema generador de nitrogeno/solucion

Country Status (9)

Country Link
US (1) US6035933A (es)
EP (1) EP0909873B1 (es)
AR (2) AR009693A1 (es)
BR (1) BR9705076A (es)
CA (1) CA2243835C (es)
DK (1) DK0909873T3 (es)
ES (1) ES2221125T3 (es)
NO (1) NO322749B1 (es)
OA (1) OA10800A (es)

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Also Published As

Publication number Publication date
AR017239A2 (es) 2001-08-22
CA2243835C (en) 2006-06-27
NO322749B1 (no) 2006-12-04
NO980036L (no) 1999-04-19
ES2221125T3 (es) 2004-12-16
NO980036D0 (no) 1998-01-05
OA10800A (en) 2001-07-05
DK0909873T3 (da) 2004-08-16
EP0909873B1 (en) 2004-05-12
BR9705076A (pt) 2000-05-09
US6035933A (en) 2000-03-14
CA2243835A1 (en) 1999-04-17
EP0909873A3 (en) 2000-04-05
EP0909873A2 (en) 1999-04-21

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