AU557411B2 - Data encoding and synchronization for pulse telemetry - Google Patents

Data encoding and synchronization for pulse telemetry

Info

Publication number
AU557411B2
AU557411B2 AU21210/83A AU2121083A AU557411B2 AU 557411 B2 AU557411 B2 AU 557411B2 AU 21210/83 A AU21210/83 A AU 21210/83A AU 2121083 A AU2121083 A AU 2121083A AU 557411 B2 AU557411 B2 AU 557411B2
Authority
AU
Australia
Prior art keywords
synchronization
data encoding
pulse telemetry
telemetry
pulse
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
AU21210/83A
Other versions
AU2121083A (en
Inventor
George White Troy
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Exploration Logging 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
Application filed by Exploration Logging Inc filed Critical Exploration Logging Inc
Publication of AU2121083A publication Critical patent/AU2121083A/en
Application granted granted Critical
Publication of AU557411B2 publication Critical patent/AU557411B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1676—Time-division multiplex with pulse-position, pulse-interval, or pulse-width modulation
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means 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
    • E21B47/14—Means 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
    • E21B47/18—Means 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means 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
    • E21B47/14—Means 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
    • E21B47/18—Means 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
    • E21B47/24—Means 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 positive mud pulses using a flow restricting valve within the drill pipe
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/16—Electric signal transmission systems in which transmission is by pulses
    • G08C19/24—Electric signal transmission systems in which transmission is by pulses using time shift of pulses
AU21210/83A 1983-09-26 1983-09-26 Data encoding and synchronization for pulse telemetry Ceased AU557411B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1983/001493 WO1985001585A1 (en) 1983-09-26 1983-09-26 Data encoding and synchronization for pulse telemetry

Publications (2)

Publication Number Publication Date
AU2121083A AU2121083A (en) 1985-04-23
AU557411B2 true AU557411B2 (en) 1986-12-18

Family

ID=22175457

Family Applications (1)

Application Number Title Priority Date Filing Date
AU21210/83A Ceased AU557411B2 (en) 1983-09-26 1983-09-26 Data encoding and synchronization for pulse telemetry

Country Status (4)

Country Link
EP (1) EP0157766A4 (en)
AU (1) AU557411B2 (en)
NO (1) NO852125L (en)
WO (1) WO1985001585A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866607A (en) * 1985-05-06 1989-09-12 Halliburton Company Self-contained downhole gauge system
US5394879A (en) 1993-03-19 1995-03-07 Gorman; Peter G. Biomedical response monitor-exercise equipment and technique using error correction
FI96380C (en) * 1993-08-16 1996-06-25 Polar Electro Oy Procedure for interference-resistant measurement of heart rate
KR20000040441A (en) * 1998-12-18 2000-07-05 전주범 Data recognition method of remote metering system
WO2007095111A1 (en) * 2006-02-14 2007-08-23 Baker Hughes Incorporated System and method for measurement while drilling telemetry

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2739301A (en) * 1951-03-28 1956-03-20 Bendix Aviat Corp Checking circuit for correct number of received information pulses
US2759143A (en) * 1954-07-14 1956-08-14 Jan J Arps Earth borehole investigation-signaling system
US3132329A (en) * 1961-04-20 1964-05-05 John L Penter Time division telemetering apparatus
DE2014281A1 (en) * 1970-03-25 1971-10-14 Simprop Electronc Walter Claas Method for a safety system with regard to a digital remote control in land vehicles, work machines or the like
US4027282A (en) * 1974-10-18 1977-05-31 Texas Dynamatics, Inc. Methods and apparatus for transmitting information through a pipe string
IT1059489B (en) * 1976-04-22 1982-05-31 C S E L T Spa SYSTEM FOR ADDING INFORMATION CHANNELS IN A MULTI-LEVEL NUMERIC TRANSMISSION
US4513403A (en) * 1982-08-04 1985-04-23 Exploration Logging, Inc. Data encoding and synchronization for pulse telemetry

Also Published As

Publication number Publication date
AU2121083A (en) 1985-04-23
EP0157766A4 (en) 1987-10-27
NO852125L (en) 1985-05-28
EP0157766A1 (en) 1985-10-16
WO1985001585A1 (en) 1985-04-11

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