GB0417543D0 - Improvements in or relating to diverter heads - Google Patents

Improvements in or relating to diverter heads

Info

Publication number
GB0417543D0
GB0417543D0 GBGB0417543.6A GB0417543A GB0417543D0 GB 0417543 D0 GB0417543 D0 GB 0417543D0 GB 0417543 A GB0417543 A GB 0417543A GB 0417543 D0 GB0417543 D0 GB 0417543D0
Authority
GB
United Kingdom
Prior art keywords
diverter
heads
relating
diverter heads
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
GBGB0417543.6A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stacey Oil Services Ltd
Original Assignee
Stacey Oil Services Ltd
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 Stacey Oil Services Ltd filed Critical Stacey Oil Services Ltd
Priority to GBGB0417543.6A priority Critical patent/GB0417543D0/en
Publication of GB0417543D0 publication Critical patent/GB0417543D0/en
Priority to GB0515498A priority patent/GB2416789A/en
Ceased legal-status Critical Current

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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/08—Wipers; Oil savers
    • E21B33/085—Rotatable packing means, e.g. rotating blow-out preventers
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • E21B21/085—Underbalanced techniques, i.e. where borehole fluid pressure is below formation pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)
GBGB0417543.6A 2004-08-06 2004-08-06 Improvements in or relating to diverter heads Ceased GB0417543D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB0417543.6A GB0417543D0 (en) 2004-08-06 2004-08-06 Improvements in or relating to diverter heads
GB0515498A GB2416789A (en) 2004-08-06 2005-07-28 Rotating diverter head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0417543.6A GB0417543D0 (en) 2004-08-06 2004-08-06 Improvements in or relating to diverter heads

Publications (1)

Publication Number Publication Date
GB0417543D0 true GB0417543D0 (en) 2004-09-08

Family

ID=32982640

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0417543.6A Ceased GB0417543D0 (en) 2004-08-06 2004-08-06 Improvements in or relating to diverter heads
GB0515498A Withdrawn GB2416789A (en) 2004-08-06 2005-07-28 Rotating diverter head

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0515498A Withdrawn GB2416789A (en) 2004-08-06 2005-07-28 Rotating diverter head

Country Status (1)

Country Link
GB (2) GB0417543D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7802635B2 (en) 2007-12-12 2010-09-28 Smith International, Inc. Dual stripper rubber cartridge with leak detection
EP2764198B1 (en) * 2011-10-07 2023-05-31 Weatherford Technology Holdings, LLC Seal assemblies in subsea rotating control devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2211122A (en) * 1938-03-10 1940-08-13 J H Mcevoy & Company Tubing head and hanger
US5755372A (en) * 1995-07-20 1998-05-26 Ocean Engineering & Manufacturing, Inc. Self monitoring oil pump seal

Also Published As

Publication number Publication date
GB0515498D0 (en) 2005-09-07
GB2416789A (en) 2006-02-08

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)