WO2013038336A2 - Système de bus d'outil de fond de trou multi-technique et procédés - Google Patents

Système de bus d'outil de fond de trou multi-technique et procédés Download PDF

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Publication number
WO2013038336A2
WO2013038336A2 PCT/IB2012/054720 IB2012054720W WO2013038336A2 WO 2013038336 A2 WO2013038336 A2 WO 2013038336A2 IB 2012054720 W IB2012054720 W IB 2012054720W WO 2013038336 A2 WO2013038336 A2 WO 2013038336A2
Authority
WO
WIPO (PCT)
Prior art keywords
communication
scheme
communication scheme
tool bus
schemes
Prior art date
Application number
PCT/IB2012/054720
Other languages
English (en)
Other versions
WO2013038336A3 (fr
Inventor
Theodorus Tjhang
Yuichi Kobayashi
Takeaki Nakayama
Motohiro Nakanouchi
David Santoso
Original Assignee
Schlumberger Canada Limited
Services Petroliers Schlumberger
Schlumberger Holdings Limited
Schlumberger Technology B.V.
Prad Research And Development Limited
Schlumberger Technology Corporation
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 Schlumberger Canada Limited, Services Petroliers Schlumberger, Schlumberger Holdings Limited, Schlumberger Technology B.V., Prad Research And Development Limited, Schlumberger Technology Corporation filed Critical Schlumberger Canada Limited
Priority to EP12831725.2A priority Critical patent/EP2748427A4/fr
Priority to US14/239,542 priority patent/US20140218206A1/en
Priority to CA2847094A priority patent/CA2847094A1/fr
Publication of WO2013038336A2 publication Critical patent/WO2013038336A2/fr
Publication of WO2013038336A3 publication Critical patent/WO2013038336A3/fr

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
    • 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
    • E21B47/13—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 by electromagnetic energy, e.g. radio frequency
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/4013—Management of data rate on the bus
    • H04L12/40136—Nodes adapting their rate to the physical link properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40169—Flexible bus arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • H04L5/1446—Negotiation of transmission parameters prior to communication of transmission speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • H04L5/1453—Negotiation of transmission parameters prior to communication of modulation type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
    • H04L25/4908—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying

Definitions

  • Hydrocarbon fluids such as oil and natural gas are obtained from a subterranean geologic formation, referred to as a reservoir, by drilling a well that penetrates the hydrocarbon-bearing formation.
  • a variety of downhole tools may be used in all areas of oil and natural gas services.
  • downhole tools may be used in a well for surveying, drilling, and production of hydrocarbons. These downhole tools may communicate with the surface via various telemetry systems.
  • Tool bus systems may be used to transmit data.
  • legacy tool bus systems have a single scheme construction enabling only a low data rate.
  • higher acquisition data should be transmitted to surface.
  • the present disclosure provides systems, tools and methods for transmitting data to surface.
  • the disclosure provides downhole tool bus systems, tool bus slave systems, and methods for communicatively coupling a tool bus master to one or more tool bus slaves.
  • the multi-scheme tool bus systems according to this disclosure enable a higher data rate than the legacy single scheme tool bus systems and thus can be used with new downhole tools while also maintaining backward compatibility to legacy tools.
  • the tool bus system may comprise a tool bus master and one or more tool bus slaves communicatively coupled together via uplink and downlink communication.
  • Each of the one or more tool bus slaves may communicate with the tool bus master via two or more communication schemes.
  • the two or more communication schemes may be the same scheme at two or more data rates.
  • Each uplink and downlink communication may include one or more communication schemes.
  • the tool bus slave includes a transceiver electronics receiver, a transceiver electronics transmitter, a first communication scheme demodulator (decoder), a first communication scheme modulator (encoder), a second communication scheme demodulator (decoder), a second communication scheme modulator (encoder), and the transceiver electronics receiver receives a multi-coding scheme, the transceiver electronics transceiver transmits a multi-coding scheme, the first communication scheme of the multi-coding scheme is processed by the first communication scheme demodulator (decoder) and the first communication scheme modulator (encoder) , and the second communication scheme of the multi-coding scheme is processed by the second communication scheme demodulator (decoder) and the second communication scheme modulator (encoder).
  • the first communication scheme is biphase and the second communication scheme is 8b/10b.
  • the multi- coding scheme can be changed in the slaves.
  • the communication scheme of the multi-coding scheme may be processed by the first communication scheme demodulator (decoder) and the second communication scheme modulator (encoder).
  • the effective data rate may be the same but the scheme can be chosen according to the downhole environment, for example taking into account a longer communication path in between tools, and/or a protocol change such as addition of an error coding correction.
  • the method for communicatively coupling a tool bus master to one or more tool bus slaves includes communicatively coupling a tool bus master to one or more tool bus slaves via an uplink communication and a downlink communication such that the uplink communication and the downlink communication each include one or more schemes.
  • the one or more communication schemes includes a first communication scheme at a first data rate and a second communication scheme at a second data rate.
  • the first communication scheme is the same as the second communication scheme.
  • the first communication is different than the second communication scheme.
  • the first communication scheme is biphase and the second communication scheme is 8b/10b.
  • FIG. 1 is a multi-coding scheme tool bus system according to an embodiment
  • FIG. 2 is a series of mixed modulation schemes in time-division according to an embodiment
  • FIG. 3 is a schematic of a tool bus slave design for a multi-coding scheme tool bus system according to an embodiment
  • FIG. 4 is a schematic of a multi-data rate tool bus system according to an embodiment.
  • FIG. 5 is an actual experimental result to show multi-scheme switching between biphase and 8b/10b.
  • connection means “in direct connection with” or “in connection with via one or more elements”; and the term “set” is used to mean “one element” or “more than one element”.
  • the terms “couple”, “coupling”, “coupled”, “coupled together”, and “coupled with” are used to mean “directly coupled together” or “coupled together via one or more elements”.
  • the terms “up” and “down”, “upper” and “lower”, “upwardly” and downwardly”, “upstream” and “downstream”; “above” and “below”; and other like terms indicating relative positions above or below a given point or element are used in this description to more clearly describe some embodiments of the disclosure.
  • downhole refers to a subterranean environment, particularly in a wellbore.
  • Downhole tool is used broadly to mean any tool used in a subterranean environment including, but not limited to, a logging tool, an imaging tool, an acoustic tool, a permanent monitoring tool, and a combination tool.
  • demodulator and decoder are used in the alternative, are synonymous and have the same meaning.
  • modulator and encoder are used in the alternative, are synonymous and have the same meaning.
  • downhole tools and systems may utilize arrays of sensing devices that are configured or designed for easy attachment and detachment in downhole sensor tools or modules that are deployed for purposes of sensing data relating to environmental and tool parameters downhole, within a borehole.
  • the tools and sensing systems disclosed herein may effectively sense and store characteristics relating to components of downhole tools as well as formation parameters at elevated temperatures and pressures.
  • sensing systems contemplated by the present disclosure.
  • the sensing systems herein may be incorporated in tool systems such as wireline logging tools, measurement-while-drilling and logging-while-drilling tools, permanent monitoring systems, drill bits, drill collars, sondes, among others.
  • tool systems such as wireline logging tools, measurement-while-drilling and logging-while-drilling tools, permanent monitoring systems, drill bits, drill collars, sondes, among others.
  • any one of the terms wireline, cable line, slickline or coiled tubing or conveyance it is understood that any of the referenced deployment means, or any other suitable equivalent means, may be used with the present disclosure without departing from the spirit and scope of the present disclosure.
  • inventive aspects lie in less than all features of a single disclosed embodiment.
  • the claims following the Detailed Description are hereby expressly incorporated into this Detailed Description, with each claim standing on its own as a separate embodiment of this disclosure.
  • FIGs. l(a)-(d) various schematics of multi-coding schemes tool bus systems are shown according to embodiments of the present disclosure.
  • FIG.1(a) through FIG.1(d) both 8b/10b and biphase schemes are used to illustrate general communication schemes for in the interest of simplifying the description.
  • schemes may include FSK (Frequency Shift Keying) modulation, 64b/66b, and LVDS (Low Voltage Differential Signaling), among others not expressly identified.
  • the downhole tool bus system for data communication coupling between downhole tools may include a tool bus master in a telemetry cartridge and a tool bus slave in one or more of the various downhole application tools.
  • Data communication includes all forms of communicative coupling such as instructions, time stamps, synchronization signals, data transmission, among other forms of communicative coupling.
  • the downhole tools may include sonic, seismic, and other various forms of tools, such as analytical and logging, among others.
  • both the uplink and downlink communication couplings may use the same scheme.
  • 8b/10b are used for both the uplink and downlink communication couplings whereas in FIG. 1(d) biphase schemes are used.
  • various combinations of schemes may be used.
  • 8b/10b is used for the uplink communication and biphase is used for the downlink communication.
  • biphase is used for the uplink communication
  • 8b/10b is used for the downlink communication.
  • 8b/10b and biphase are used for the purposes of illustration in order to simplify the description, scheme 1 and scheme 2 could be substituted as more general descriptors of communication systems.
  • an uplink communication may use a combination of 8b/10b and biphase coding scheme in a time-division manner.
  • the downlink communication may use a biphase coding scheme as illustrated in FIG. 2(a).
  • the uplink communication may use a combination of 8b/10b and biphase coding scheme in a time-division manner while the downlink communication uses an 8b/10b coding scheme (as shown in FIG. 2(b)).
  • a downhole tool bus system may use a biphase coding scheme for the uplink communication coupling while using a combination of 8b/10b and biphase coding schemes in the downlink communication coupling, as shown in FIG. 2(c).
  • some embodiments may use an 8b/10b coding scheme for the uplink communication coupling while the downlink communication coupling may use a combination of 8b/ 10b and biphase coding schemes in a time-division manner, as seen in FIG. 2(d).
  • an embodiment of a downhole tool bus system may include a combination of biphase coding schemes and 8b/10b coding schemes in both the uplink and downlink communication coupling. The schematic shown in FIG.
  • 2(e) is an illustration of this exemplary embodiment. Additional combinations and configurations of schemes including alternative or additional schemes are considered within the scope of this disclosure. In some configurations, more than two schemes may be used. In some embodiments, guard bands may be used to separate the various schemes and allow the electronics to recognize and receive the different communication coupling schemes.
  • FIG. 3 shows a schematic of an illustrative example of a tool bus slave design for a multi-coding scheme tool bus system, according to an embodiment of this disclosure.
  • biphase and 8b/10b coding schemes are used as illustrative examples in order to simplify the detailed descriptions, and embodiments of this disclosure should not be limited to these schemes or to the schematic shown in FIG. 3.
  • a tool bus slave design includes a transceiver electronics receiver, a transceiver electronics transmitter, a first communication scheme demodulator, a first communication modulator, a second communication scheme demodulator, a second communication scheme modulator, and the transceiver electronics receiver receives a multi-coding scheme, the transceiver electronics transceiver transmits a multi-coding scheme, the first communication scheme of the multi-coding scheme is processed by the first communication scheme demodulator and the first communication scheme modulator, and the second communication scheme or the multi-coding scheme is processed by the second scheme demodulator and the second communication scheme modulator.
  • the term demodulator is synonymous to the term decoder for digital base baseband transmission
  • modulator is synonymous to the term encoder for digital base band transmission.
  • the tool bus slave design includes transceiver electronics as a receiver in which an incoming signal is split between a biphase decoder and a 8b/10b decoder.
  • the biphase decoder may then take the biphase portion of the signal and send via FIFO (First in First Out) to a biphase encoder.
  • the biphase encoder will then pass the signal along to transceiver electronics as a transmitter for sending along a communicative pathway.
  • the 8b/10b decoder may take the 8b/10b signal portion of the signal and send via FIFO to an 8b/10b encoder.
  • the 8b 10b encoder will then pass the signal to transceiver electronics as a transmitter for sending along the communicative pathway.
  • Recovery module may be used for example to detect the various schemes in the data stream automatically.
  • Other configurations may include a method for detecting and repeating a mixed 8b/10b and biphase uplink and downlink from the adjacent tools.
  • FIG. 4 a schematic is shown comprising an illustrative configuration of five tool bus slaves communicatively coupled together with a tool bus master.
  • a mixture of tool bus slave schemes and speeds may be present depending upon the availability of tools and the type of function required downhole.
  • there are biphase schemes of varying bit rates e.g., 1 Mbps and 2 Mbps for example
  • an 8b/10b scheme of 8 Mbps e.g., 1 Mbps and 2 Mbps for example
  • the multi- scheme approach facilitates backward compatibility with legacy tools and thus the systems of the present disclosure may be used simultaneously or alternatively with new downhole tools as well as legacy downhole tools.
  • the lower bit rate biphase tools may be located farthest away from the tool bus master and increase in bit rate capability as the tools are located closer to the tool bus master along the communicative coupling.
  • a configuration structured as such may allow the data to communicate at high speed.
  • the data from the 2 Mbps tool may be constrained by the capability of the 1 Mbps tool as it traveled from the 2 Mbps tool to the tool bus master.
  • embodiments of the disclosure may accommodate various data rates as well.
  • the graphs of FIG. 5 illustrate use of multi-scheme switching between biphase and 8b/10.
  • a bi-phase scheme and an 8b 10b scheme are processed in one slave, and the two schemes are mixed in time division multiplexing. Further as shown, the scheme is changed from bi-phase, which has about 2Mbps speed performance, to 8b 10b, which has about 8Mbps speed performance in a certain frame period.
  • the multi-scheme selection is automatically done by the CDR part.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Quality & Reliability (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Dc Digital Transmission (AREA)
  • Small-Scale Networks (AREA)

Abstract

L'invention porte sur un système de bus d'outil de fond de trou multi-technique. Le système peut comprendre un maître de bus d'outil et un certain nombre d'esclaves de bus d'outil couplés l'un à l'autre par une liaison de communications. La liaison de communications peut comprendre une communication en liaison montante et une communication en liaison descendante. La communication en liaison montante et la communication en liaison descendante peuvent comprendre un certain nombre de techniques de communication ou de débits de données.
PCT/IB2012/054720 2011-09-12 2012-09-11 Système de bus d'outil de fond de trou multi-technique et procédés WO2013038336A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12831725.2A EP2748427A4 (fr) 2011-09-12 2012-09-11 Système de bus d'outil de fond de trou multi-technique et procédés
US14/239,542 US20140218206A1 (en) 2011-09-12 2012-09-11 Multi-Scheme Downhole Tool Bus System and Methods
CA2847094A CA2847094A1 (fr) 2011-09-12 2012-09-11 Systeme de bus d'outil de fond de trou multi-technique et procedes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161533302P 2011-09-12 2011-09-12
US61/533,302 2011-09-12

Publications (2)

Publication Number Publication Date
WO2013038336A2 true WO2013038336A2 (fr) 2013-03-21
WO2013038336A3 WO2013038336A3 (fr) 2013-05-16

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PCT/IB2012/054720 WO2013038336A2 (fr) 2011-09-12 2012-09-11 Système de bus d'outil de fond de trou multi-technique et procédés

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US (1) US20140218206A1 (fr)
EP (1) EP2748427A4 (fr)
CA (1) CA2847094A1 (fr)
WO (1) WO2013038336A2 (fr)

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CN106921436B (zh) 2015-12-26 2019-11-05 华为技术有限公司 用于对多种速率的数据进行处理的方法及装置
US10090624B1 (en) 2018-01-03 2018-10-02 Jianying Chu Bottom hole assembly tool bus system

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Also Published As

Publication number Publication date
WO2013038336A3 (fr) 2013-05-16
EP2748427A4 (fr) 2015-03-04
CA2847094A1 (fr) 2013-03-21
US20140218206A1 (en) 2014-08-07
EP2748427A2 (fr) 2014-07-02

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