SG115591A1 - Portable drill string compensator - Google Patents

Portable drill string compensator

Info

Publication number
SG115591A1
SG115591A1 SG200306898A SG200306898A SG115591A1 SG 115591 A1 SG115591 A1 SG 115591A1 SG 200306898 A SG200306898 A SG 200306898A SG 200306898 A SG200306898 A SG 200306898A SG 115591 A1 SG115591 A1 SG 115591A1
Authority
SG
Singapore
Prior art keywords
drill string
accumulator
cylinder
air pressure
pressure vessel
Prior art date
Application number
SG200306898A
Other languages
English (en)
Inventor
D Williams Richard
C Coffey Lacey
Original Assignee
Control Flow 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=30443942&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG115591(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Control Flow Inc filed Critical Control Flow Inc
Publication of SG115591A1 publication Critical patent/SG115591A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus 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
    • E21B19/09—Apparatus 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/002—Handling 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
    • E21B19/004—Handling 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
    • E21B19/006—Handling 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)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Food-Manufacturing Devices (AREA)
  • Adornments (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
SG200306898A 2002-12-09 2003-11-19 Portable drill string compensator SG115591A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/314,747 US6968900B2 (en) 2002-12-09 2002-12-09 Portable drill string compensator

Publications (1)

Publication Number Publication Date
SG115591A1 true SG115591A1 (en) 2005-10-28

Family

ID=30443942

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200306898A SG115591A1 (en) 2002-12-09 2003-11-19 Portable drill string compensator

Country Status (7)

Country Link
US (2) US6968900B2 (pt)
EP (1) EP1428973B1 (pt)
AT (1) ATE328186T1 (pt)
BR (1) BRPI0307860B1 (pt)
DE (1) DE60305615D1 (pt)
NO (1) NO329534B1 (pt)
SG (1) SG115591A1 (pt)

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BR112015013690B1 (pt) 2012-12-13 2021-11-16 National Oilwell Varco, L.P. Sistema de compensação de balouço remoto e guindaste tendo um sistema de compensação de balouço
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NO20131234A1 (no) * 2013-09-12 2015-03-13 Depro As Anordning for datastyrt kompensasjon av bølgebevirkede avstandsvariasjoner på borestreng
US8757205B1 (en) 2013-11-22 2014-06-24 Drilling Technological Innovations, LLC Choke assembly tensioner system for a drilling rig
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CN113188888A (zh) * 2021-04-21 2021-07-30 西安恒热热力技术有限责任公司 一种检测补偿器耐压性能的检测设备及检测方法

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Also Published As

Publication number Publication date
NO20035286D0 (no) 2003-11-28
US20050247452A1 (en) 2005-11-10
ATE328186T1 (de) 2006-06-15
US20040108117A1 (en) 2004-06-10
EP1428973A1 (en) 2004-06-16
DE60305615D1 (de) 2006-07-06
US7131496B2 (en) 2006-11-07
NO329534B1 (no) 2010-11-08
BRPI0307860B1 (pt) 2017-02-21
US6968900B2 (en) 2005-11-29
BR0307860A (pt) 2004-12-07
NO20035286L (no) 2004-06-10
EP1428973B1 (en) 2006-05-31

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