CA2024061A1 - System for drilling deviated boreholes - Google Patents

System for drilling deviated boreholes

Info

Publication number
CA2024061A1
CA2024061A1 CA002024061A CA2024061A CA2024061A1 CA 2024061 A1 CA2024061 A1 CA 2024061A1 CA 002024061 A CA002024061 A CA 002024061A CA 2024061 A CA2024061 A CA 2024061A CA 2024061 A1 CA2024061 A1 CA 2024061A1
Authority
CA
Canada
Prior art keywords
drilling
borehole
drill motor
signals
sealed cavity
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
CA002024061A
Other languages
French (fr)
Other versions
CA2024061C (en
Inventor
Laurier Emile Comeau
Randal Harold Pustanyk
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 Energy Services Inc
Original Assignee
Baroid Technology 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 Baroid Technology Inc filed Critical Baroid Technology Inc
Priority to CA002024061A priority Critical patent/CA2024061C/en
Priority to GB9110516A priority patent/GB2247477B/en
Priority to GB9420816A priority patent/GB2280463B/en
Priority to FR9110550A priority patent/FR2666113A1/en
Priority to NO913346A priority patent/NO304196B1/en
Priority to NL9101441A priority patent/NL194556C/en
Priority to DE4128287A priority patent/DE4128287A1/en
Priority to US07/750,650 priority patent/US5163521A/en
Publication of CA2024061A1 publication Critical patent/CA2024061A1/en
Priority to US08/582,832 priority patent/USRE35790E/en
Application granted granted Critical
Publication of CA2024061C publication Critical patent/CA2024061C/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • 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
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • 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
    • E21B47/16—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 drill string or casing, e.g. by torsional acoustic waves
    • 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
    • E21B47/26—Storing data down-hole, e.g. in a memory or on a record carrier
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor

Abstract

Improved techniques are provided for drilling a deviated borehole through earth formations utilizing a rotary bit powered by a drill motor, and for obtaining information regarding the borehole or earth formations while drilling. An inclinometer is positioned below the drill motor and within a sealed cavity of a housing fixed to a drill motor sub, and a transmitter within the sealed cavity forwards acoustic or radial wave signals to a receiver provided in a measurement-whils-drilling tool. The MWD tool may be provided within a non-magnetic portion of the drill string, and further houses an accelerometer for sensing borehole direction. Both borehole inclination and directional signals are transmitted to the surface by the MWD tool, and the drilling trajectory is altered in response to the signals.
CA002024061A 1990-08-27 1990-08-27 System for drilling deviated boreholes Expired - Lifetime CA2024061C (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA002024061A CA2024061C (en) 1990-08-27 1990-08-27 System for drilling deviated boreholes
GB9110516A GB2247477B (en) 1990-08-27 1991-05-15 Borehole drilling and telemetry
GB9420816A GB2280463B (en) 1990-08-27 1991-05-15 Borehole drilling and telemetry
FR9110550A FR2666113A1 (en) 1990-08-27 1991-08-23 METHOD AND APPARATUS FOR DRILLING BORING HOLES AND BIT ASSEMBLY FOR CARRYING OUT SAID METHOD.
NO913346A NO304196B1 (en) 1990-08-27 1991-08-26 Method and equipment for signaling within a well during drilling
NL9101441A NL194556C (en) 1990-08-27 1991-08-26 Device for the deviant drilling of a borehole in an earth formation.
DE4128287A DE4128287A1 (en) 1990-08-27 1991-08-27 Sinking borehole with drill string contg. motor for rotary bit - includes equipment for data measurement and transmitting data to surface
US07/750,650 US5163521A (en) 1990-08-27 1991-08-27 System for drilling deviated boreholes
US08/582,832 USRE35790E (en) 1990-08-27 1996-01-02 System for drilling deviated boreholes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002024061A CA2024061C (en) 1990-08-27 1990-08-27 System for drilling deviated boreholes

Publications (2)

Publication Number Publication Date
CA2024061A1 true CA2024061A1 (en) 1992-02-28
CA2024061C CA2024061C (en) 2001-10-02

Family

ID=4145822

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002024061A Expired - Lifetime CA2024061C (en) 1990-08-27 1990-08-27 System for drilling deviated boreholes

Country Status (3)

Country Link
US (2) US5163521A (en)
CA (1) CA2024061C (en)
GB (1) GB2247477B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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US5680906A (en) * 1994-12-08 1997-10-28 Noranda, Inc. Method for real time location of deep boreholes while drilling

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GB2247477A (en) 1992-03-04
GB2247477B (en) 1995-03-01
USRE35790E (en) 1998-05-12
US5163521A (en) 1992-11-17
GB9110516D0 (en) 1991-07-03
CA2024061C (en) 2001-10-02

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