CA2107576A1 - Short hop communication link for downhole mwd system - Google Patents

Short hop communication link for downhole mwd system

Info

Publication number
CA2107576A1
CA2107576A1 CA002107576A CA2107576A CA2107576A1 CA 2107576 A1 CA2107576 A1 CA 2107576A1 CA 002107576 A CA002107576 A CA 002107576A CA 2107576 A CA2107576 A CA 2107576A CA 2107576 A1 CA2107576 A1 CA 2107576A1
Authority
CA
Canada
Prior art keywords
module
sensor module
sensor
motor
downhole
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
CA002107576A
Other languages
French (fr)
Other versions
CA2107576C (en
Inventor
Louis H. Rorden
Patrick E. Dailey
Charles Dwain Barron
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.)
Halliburton Co
Baker Hughes Holdings LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from PCT/US1992/003183 external-priority patent/WO1992018882A1/en
Publication of CA2107576A1 publication Critical patent/CA2107576A1/en
Application granted granted Critical
Publication of CA2107576C publication Critical patent/CA2107576C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017—Protecting measuring instruments
    • 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
    • E21B47/13—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

Abstract

The short hop communication link includes a sensor module (125) positioned downhole from a motor (100) in a well. The module (125) includes sensors that monitor operational, directional and environmental parameters downhole and provide an electrical data signal indicative thereof. Sensors may also be positioned in the drill bit (50) for obtaining parameters related to the bit, and communicating data signals reflecting the sensed parameters to the sensor module (125). The sensor module (125) includes a transceiver, with an annular antenna (25), for transmitting electromagnetic sensor data signals to a point above the motor (100).
A control module (40), which also includes a transceiver with an annular antenna (37), is located above the motor (100), and receives the electromagnetic signals from the sensor module (125) reflecting the sensed parameters. In addition, the control module (40) is capable of transmitting command signals to the sensor module (125) requesting data regarding desired parameters. The command module (40) connects to a host module (10) which orchestrates all measurement-while-drilling components downhole. The host module (10) connects to a mud pulser (35) for transmitting desired data to the surface for real-time processing. The sensor module (125) is strategically placed within a removable, interchangeable sub (200) below the motor (100), or alternatively, within an extended driveshaft (400) of the motor (100), while the sensor antenna (25) is located on an exterior shoulder of the sub (200) or driveshaft (400). The sensor module (125) and an associated battery pack (55) reside within a pressure container (99) which forms pan of a current return path from the sensor antenna (25) to the circuitry within the sensor module (125).
CA002107576A 1991-04-17 1992-04-17 Short hop communication link for downhole mwd system Expired - Lifetime CA2107576C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07686772 US5160925C1 (en) 1991-04-17 1991-04-17 Short hop communication link for downhole mwd system
US686,772 1991-04-17
PCT/US1992/003183 WO1992018882A1 (en) 1991-04-17 1992-04-17 Short hop communication link for downhole mwd system

Publications (2)

Publication Number Publication Date
CA2107576A1 true CA2107576A1 (en) 1992-10-18
CA2107576C CA2107576C (en) 2001-04-10

Family

ID=24757683

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002107576A Expired - Lifetime CA2107576C (en) 1991-04-17 1992-04-17 Short hop communication link for downhole mwd system

Country Status (7)

Country Link
US (1) US5160925C1 (en)
AU (1) AU1785092A (en)
CA (1) CA2107576C (en)
DE (2) DE4291022T1 (en)
GB (1) GB2272009B (en)
NL (1) NL194557C (en)
NO (1) NO305450B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111119843A (en) * 2019-12-25 2020-05-08 中国海洋石油集团有限公司 Control nipple

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* Cited by examiner, † Cited by third party
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