GB8506833D0 - Hydraulic power supply - Google Patents

Hydraulic power supply

Info

Publication number
GB8506833D0
GB8506833D0 GB858506833A GB8506833A GB8506833D0 GB 8506833 D0 GB8506833 D0 GB 8506833D0 GB 858506833 A GB858506833 A GB 858506833A GB 8506833 A GB8506833 A GB 8506833A GB 8506833 D0 GB8506833 D0 GB 8506833D0
Authority
GB
United Kingdom
Prior art keywords
power supply
hydraulic power
hydraulic
supply
power
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.)
Pending
Application number
GB858506833A
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 GEODATA SERVICES Ltd
Original Assignee
GEARHART GEODATA 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 GEARHART GEODATA SERVICES Ltd filed Critical GEARHART GEODATA SERVICES Ltd
Priority to GB858506833A priority Critical patent/GB8506833D0/en
Publication of GB8506833D0 publication Critical patent/GB8506833D0/en
Priority to PCT/GB1986/000150 priority patent/WO1986005543A1/en
Priority to EP86901945A priority patent/EP0215880A1/en
Pending legal-status Critical Current

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
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • 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
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/18Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
    • 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
    • E21B47/00Survey of boreholes or wells
    • E21B47/12Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/18Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
    • E21B47/22Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry by negative mud pulses using a pressure relieve valve between drill pipe and annulus

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Earth Drilling (AREA)
GB858506833A 1985-03-15 1985-03-15 Hydraulic power supply Pending GB8506833D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB858506833A GB8506833D0 (en) 1985-03-15 1985-03-15 Hydraulic power supply
PCT/GB1986/000150 WO1986005543A1 (en) 1985-03-15 1986-03-14 Hydraulic power supply for use during well drilling operations
EP86901945A EP0215880A1 (en) 1985-03-15 1986-03-14 Hydraulic power supply for use during well drilling operations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858506833A GB8506833D0 (en) 1985-03-15 1985-03-15 Hydraulic power supply

Publications (1)

Publication Number Publication Date
GB8506833D0 true GB8506833D0 (en) 1985-04-17

Family

ID=10576085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB858506833A Pending GB8506833D0 (en) 1985-03-15 1985-03-15 Hydraulic power supply

Country Status (3)

Country Link
EP (1) EP0215880A1 (en)
GB (1) GB8506833D0 (en)
WO (1) WO1986005543A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2015120075A (en) * 2012-12-28 2017-02-02 Хэллибертон Энерджи Сервисиз, Инк. IMPROVED HYDROPULSE TELEMETRY COMMUNICATION
CA2908633C (en) 2013-05-03 2018-01-02 Halliburton Energy Services, Inc. Downhole energy storage and conversion
US10217583B2 (en) 2014-10-24 2019-02-26 Halliburton Energy Services, Inc. Pressure responsive switch for actuating a device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU544112B2 (en) * 1979-08-21 1985-05-16 S.A. Scherbatskoy Logging a borehole while drilling
US4266606A (en) * 1979-08-27 1981-05-12 Teleco Oilfield Services Inc. Hydraulic circuit for borehole telemetry apparatus
GB2058171B (en) * 1979-09-14 1983-08-10 Dresser Ind Measuring and transmitting apparatus for use in a drill string
US4401134A (en) * 1981-03-05 1983-08-30 Smith International, Inc. Pilot valve initiated mud pulse telemetry system

Also Published As

Publication number Publication date
WO1986005543A1 (en) 1986-09-25
EP0215880A1 (en) 1987-04-01

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