NO20061908L - In-line kompensator for en flytende borerigg - Google Patents

In-line kompensator for en flytende borerigg

Info

Publication number
NO20061908L
NO20061908L NO20061908A NO20061908A NO20061908L NO 20061908 L NO20061908 L NO 20061908L NO 20061908 A NO20061908 A NO 20061908A NO 20061908 A NO20061908 A NO 20061908A NO 20061908 L NO20061908 L NO 20061908L
Authority
NO
Norway
Prior art keywords
hiv
line
movement
present
line compensator
Prior art date
Application number
NO20061908A
Other languages
English (en)
Inventor
Age Kyllingstad
Magne Mathias Moe
Original Assignee
Nat Oilwell Lp
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 Nat Oilwell Lp filed Critical Nat Oilwell Lp
Publication of NO20061908L publication Critical patent/NO20061908L/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/09Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/002Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
    • E21B19/004Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling supporting a riser from a drilling or production platform
    • E21B19/006Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling supporting a riser from a drilling or production platform including heave compensators

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

En anordning og en fremgangsmåte for beskyttelse mot de problemer som er forbundet med hivbevegelse av en flytende borerigg er offentliggjort. Den offentliggjorte oppfinnelse er en unik in-line kompensator hvor en flerhet av sylindere som befinner seg inne i et rørformet hus og en flerhet av lavtrykks- og høytrykksakkumulatorer funksjonerer sammen for å tilveiebringe et system for kompensering for hivbevegelse i tilfelle et primært hivkompensasjonssystem svikter eller blir satt ut av funksjon. Den typiske in-line kompensator ifølge den foreliggende oppfinnelse gjør bruk av en flerhet av hydrauliske sylindere som virker i motsatt retning og som har forskjellige stempelarealer, slik at stempelstengene i sylindrene strekkes ut eller trekkes inn ved forskjellige trykknivåer for å ta hånd om hivbevegelse. Den typiske in-line kompensator, ifølge den foreliggende oppfinnelse, er selvstendig og kompakt nok til å passe inn i den begrensede plass som er tilgjengelig på en flytende borestruktur. Videre kan et par in-line kompensatorer, ifølge den foreliggende oppfinnelse, anvendes ved kveilrørsoperasjoner. I et slikt tilfelle vil in-line kompensatorene ikke komme i konflikt med det verktøy som er nødvendig for å utføre kveilrørsoperasjonene.
NO20061908A 2003-10-08 2006-04-28 In-line kompensator for en flytende borerigg NO20061908L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50962303P 2003-10-08 2003-10-08
US10/957,479 US7231981B2 (en) 2003-10-08 2004-10-01 Inline compensator for a floating drill rig
PCT/US2004/032707 WO2005038188A2 (en) 2003-10-08 2004-10-04 Inline compensator for a floating drilling rig

Publications (1)

Publication Number Publication Date
NO20061908L true NO20061908L (no) 2006-06-27

Family

ID=34426110

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20061908A NO20061908L (no) 2003-10-08 2006-04-28 In-line kompensator for en flytende borerigg

Country Status (6)

Country Link
US (1) US7231981B2 (no)
EP (1) EP1678406A4 (no)
BR (1) BRPI0415127A (no)
CA (1) CA2541168C (no)
NO (1) NO20061908L (no)
WO (1) WO2005038188A2 (no)

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Also Published As

Publication number Publication date
US20050077049A1 (en) 2005-04-14
EP1678406A4 (en) 2011-07-20
US7231981B2 (en) 2007-06-19
CA2541168A1 (en) 2005-04-28
EP1678406A2 (en) 2006-07-12
WO2005038188A3 (en) 2006-12-28
WO2005038188A2 (en) 2005-04-28
BRPI0415127A (pt) 2006-11-28
CA2541168C (en) 2009-06-23

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application