AU7977287A - Kelly cock - Google Patents

Kelly cock

Info

Publication number
AU7977287A
AU7977287A AU79772/87A AU7977287A AU7977287A AU 7977287 A AU7977287 A AU 7977287A AU 79772/87 A AU79772/87 A AU 79772/87A AU 7977287 A AU7977287 A AU 7977287A AU 7977287 A AU7977287 A AU 7977287A
Authority
AU
Australia
Prior art keywords
kelly cock
kelly
cock
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.)
Granted
Application number
AU79772/87A
Other versions
AU592473B2 (en
Inventor
John Francis Kennedy
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.)
Gearhart United Pty Ltd
Original Assignee
Gearhart United Pty 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 Gearhart United Pty Ltd filed Critical Gearhart United Pty Ltd
Priority to AU79772/87A priority Critical patent/AU592473B2/en
Publication of AU7977287A publication Critical patent/AU7977287A/en
Application granted granted Critical
Publication of AU592473B2 publication Critical patent/AU592473B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0626—Easy mounting or dismounting means
    • F16K5/0642—Easy mounting or dismounting means the spherical plug being insertable from one and only one side of the housing
    • 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
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Taps Or Cocks (AREA)
AU79772/87A 1986-10-14 1987-10-14 Kelly cock Ceased AU592473B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU79772/87A AU592473B2 (en) 1986-10-14 1987-10-14 Kelly cock

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPH8480 1986-10-14
AUPH848086 1986-10-14
AU79772/87A AU592473B2 (en) 1986-10-14 1987-10-14 Kelly cock

Publications (2)

Publication Number Publication Date
AU7977287A true AU7977287A (en) 1988-04-21
AU592473B2 AU592473B2 (en) 1990-01-11

Family

ID=25639350

Family Applications (1)

Application Number Title Priority Date Filing Date
AU79772/87A Ceased AU592473B2 (en) 1986-10-14 1987-10-14 Kelly cock

Country Status (1)

Country Link
AU (1) AU592473B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6971633B2 (en) 2002-10-15 2005-12-06 Banjo Corporation Rotatable seal for ball valve

Also Published As

Publication number Publication date
AU592473B2 (en) 1990-01-11

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired