FI97418B - Förfarande för rengöring av en rörledning vid en råoljekälla - Google Patents

Förfarande för rengöring av en rörledning vid en råoljekälla Download PDF

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Publication number
FI97418B
FI97418B FI914844A FI914844A FI97418B FI 97418 B FI97418 B FI 97418B FI 914844 A FI914844 A FI 914844A FI 914844 A FI914844 A FI 914844A FI 97418 B FI97418 B FI 97418B
Authority
FI
Finland
Prior art keywords
cleaning
pipeline
crude oil
scraper
line
Prior art date
Application number
FI914844A
Other languages
English (en)
Finnish (fi)
Other versions
FI914844A0 (sv
FI914844A (sv
FI97418C (sv
Inventor
Da Silva Jos Eduardo Mendonca
Herdeiro Marco Antoni Nogueira
Capllonch Ricardo Wagner
Miranda Luiz Vicente Au Passos
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 FI914844A0 publication Critical patent/FI914844A0/sv
Publication of FI914844A publication Critical patent/FI914844A/sv
Publication of FI97418B publication Critical patent/FI97418B/sv
Application granted granted Critical
Publication of FI97418C publication Critical patent/FI97418C/sv

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/02—Scrapers specially adapted therefor
    • E21B37/04—Scrapers specially adapted therefor operated by fluid pressure, e.g. free-piston scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
    • 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
    • Y10S166/00—Wells
    • Y10S166/902—Wells for inhibiting corrosion or coating

Claims (3)

1. Förfarande för rengöring av en rörledning vid en sub-inarin räoljekälla, kännetecknat av att skraporgan trans-porteras medelst tryck frän en stationär produktions- 5 anläggning ovan vattenytan genom rörledningen tili en sub- marin kammare; skraporganen förvaras i den submarine kam-maren ända tili rengöringen; och rörledningen rengöres frän avlagringar genom att äterbörda det förvarade skrap-organet frän den submarina kammaren tili den stationära 10 produktionsanläggningen.
2. Förfarande i enlighet med patentkrav 1, kännetecknat av att trycket som behövs för att flytta skraporganet här-rör antingen frän själva produktionsvätskan eller frän den stationära produktionsenheten. 15
3. Förfarande i enlighet med patentkrav 1 eller 2, kän netecknat av att samma kammare tjänar flera rörledningar. ♦ ·
FI914844A 1990-10-12 1991-10-14 Förfarande för rengöring av en rörledning vid en råoljekälla FI97418C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR9005125 1990-10-12
BR909005125A BR9005125A (pt) 1990-10-12 1990-10-12 Processo para lancamento de raspadores,particularmente para linhas de pocos de petroleo submarinas

Publications (4)

Publication Number Publication Date
FI914844A0 FI914844A0 (sv) 1991-10-14
FI914844A FI914844A (sv) 1992-04-13
FI97418B true FI97418B (sv) 1996-08-30
FI97418C FI97418C (sv) 1996-12-10

Family

ID=4050508

Family Applications (1)

Application Number Title Priority Date Filing Date
FI914844A FI97418C (sv) 1990-10-12 1991-10-14 Förfarande för rengöring av en rörledning vid en råoljekälla

Country Status (8)

Country Link
US (1) US5267616A (sv)
EP (1) EP0480771B1 (sv)
AU (2) AU647531B2 (sv)
BR (1) BR9005125A (sv)
CA (1) CA2053334C (sv)
FI (1) FI97418C (sv)
MX (1) MX9101582A (sv)
NO (1) NO301247B1 (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9519247D0 (en) * 1995-09-21 1995-11-22 Coflexip Stena Offshore Ltd Improvements in or relating to pipeline pigging
BR9600249A (pt) * 1996-01-29 1997-12-23 Petroleo Brasileiro Sa Método e aparelhagem para escoamento da produção submarina de petróleo
US6539778B2 (en) * 2001-03-13 2003-04-01 Valkyrie Commissioning Services, Inc. Subsea vehicle assisted pipeline commissioning method
US7708839B2 (en) 2001-03-13 2010-05-04 Valkyrie Commissioning Services, Inc. Subsea vehicle assisted pipeline dewatering method
US7650944B1 (en) * 2003-07-11 2010-01-26 Weatherford/Lamb, Inc. Vessel for well intervention
US8240952B2 (en) * 2007-05-17 2012-08-14 Trident Subsea Technologies, Llc Universal pump platform
US8469101B2 (en) * 2007-09-25 2013-06-25 Exxonmobil Upstream Research Company Method and apparatus for flow assurance management in subsea single production flowline
US8240191B2 (en) * 2008-05-13 2012-08-14 Trident Subsea Technologies, Llc Universal power and testing platform
US7874355B2 (en) * 2008-07-02 2011-01-25 Schlumberger Technology Corporation Methods and apparatus for removing deposits on components in a downhole tool
US8770892B2 (en) 2010-10-27 2014-07-08 Weatherford/Lamb, Inc. Subsea recovery of swabbing chemicals
US8950498B2 (en) * 2013-01-10 2015-02-10 Chevron U.S.A. Inc. Methods, apparatus and systems for conveying fluids

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438444A (en) * 1966-08-01 1969-04-15 Ivan E Wilkerson Method and apparatus for removing paraffin and solid deposits from an oil well
US3395759A (en) * 1966-09-09 1968-08-06 Mobil Oil Corp Well tool pumpable through a flowline
FR1554351A (sv) * 1967-02-13 1969-01-17
US3667544A (en) * 1970-09-09 1972-06-06 Shell Oil Co Dumbell scraper
US4007784A (en) * 1975-10-14 1977-02-15 Watson Willie L Well piston and paraffin scraper construction
CA2024105A1 (en) * 1989-02-08 1990-08-09 Robert W. Vowles Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices

Also Published As

Publication number Publication date
NO301247B1 (no) 1997-09-29
EP0480771B1 (en) 1996-02-21
AU647531B2 (en) 1994-03-24
BR9005125A (pt) 1992-06-30
FI914844A0 (sv) 1991-10-14
AU8581291A (en) 1992-04-16
US5267616A (en) 1993-12-07
FI914844A (sv) 1992-04-13
AU6182194A (en) 1994-06-23
CA2053334A1 (en) 1992-04-13
MX9101582A (es) 1992-06-05
AU671009B2 (en) 1996-08-08
EP0480771A1 (en) 1992-04-15
FI97418C (sv) 1996-12-10
NO913999L (no) 1992-04-13
NO913999D0 (no) 1991-10-11
CA2053334C (en) 1994-07-19

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BB Publication of examined application
MM Patent lapsed