CA2636249A1 - Horizontal drilling system with oscillation control - Google Patents

Horizontal drilling system with oscillation control Download PDF

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Publication number
CA2636249A1
CA2636249A1 CA002636249A CA2636249A CA2636249A1 CA 2636249 A1 CA2636249 A1 CA 2636249A1 CA 002636249 A CA002636249 A CA 002636249A CA 2636249 A CA2636249 A CA 2636249A CA 2636249 A1 CA2636249 A1 CA 2636249A1
Authority
CA
Canada
Prior art keywords
motor
torque
drill string
top drive
automated controller
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
CA002636249A
Other languages
French (fr)
Other versions
CA2636249C (en
Inventor
John Kracik
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.)
Varco IP Inc
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
Publication of CA2636249A1 publication Critical patent/CA2636249A1/en
Application granted granted Critical
Publication of CA2636249C publication Critical patent/CA2636249C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • E21B44/04—Automatic control of the tool feed in response to the torque of the drive ; Measuring drilling torque
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/046—Directional drilling horizontal drilling

Abstract

A system and method for controlling drill string frictional forces during horizontal drilling are provided. The system includes a top drive having a motor that transmits a torque to a drill string to rotate the drill string, and an automated controller operably connected to the top drive to send at least one command signal to the top drive to initiate the rotation of the drill string. The controller monitors torque feedback signals, indicating that a torque limit on the drill string is exceeded, and/or a turn feedback signals indicating that the drill string is stalled to control the direction of the torque applied to the drill string when either the torque limit is exceeded or the drill string stalls.

Claims (18)

WHAT IS CLAIMED IS:
1. A horizontal drilling system comprising:
a top drive system comprising a motor that transmits a torque to a drill string to rotate the drill string;
an automated controller operably connected to the top drive, the automated controller being designed communicate at least one directional command signal to the top drive to initiate the direction of the rotation of the drill string;
wherein the top drive generates at least one of a torque feedback signal indicating that a torque limit on the drill string is exceeded and a turn feedback signal indicating that the drill string is stalled; and wherein the controller receives the at least one feedback signal and reverses the direction of the torque applied to the drill string when either the torque limit is exceeded or the drill string stalls.
2. The horizontal drilling system of claim 1, wherein the automated controller is further designed communicate at least one speed command signal and one torque limit signal to the top drive to control the speed of the motor and the torque applied by the motor.
3. The horizontal drilling system of claim 2, wherein the motor is a DC motor and wherein the automated controller is operably connected to a power supply such that the automated controller controls the speed of the electric motor by adjusting the voltage applied to the DC motor, and regulates the torque that can be applied by the DC motor by regulating the current supplied to the DC motor.
4. The horizontal drilling system of claim 3, wherein the automated controller generates the torque feedback signal by monitoring the current being supplied to the DC
motor.
5. The horizontal drilling system of claim 2, wherein the motor is an AC motor and wherein the automated controller is operably connected to a power supply such that the automated controller controls the speed and torque of the AC motor by regulating the frequency of the power supplied to the AC motor.
6. The horizontal drilling system of claim 5, wherein the automated controller generates the torque feedback signal by monitoring the frequency of the power being supplied to the AC motor.
7. The horizontal drilling system of claim 1, further comprising a turn encoder operatively connected to the top drive, the turn encoder designed to monitor the rotation of the top drive and generate the turn feedback signal.
8. The horizontal drilling system of claim 1, further comprising a control station operatively connected to the automated controller and being designed to program the automated controller with the torque limit and the drill string stall limit information.
9. The horizontal drilling system of claim 1, wherein the automated controller further comprises:
a processor having a central processing unit;
a memory cache in signal communication with the processor;
a bus interface in signal communication with the processor and the top drive;
and wherein the processor retrieves the at least one command signal from the memory cache and transmits the command signal through the bus interface to the top drive, and wherein the top drive generates the torque and turn feedback signals and transmits the feedback signals through the bus interface to the processor which operates on the feedback signals to generate additional command signals in a continuous feedback process.
A process for controlling a horizontal drilling operation comprising:
commanding a top drive system comprising a motor to transmit a torque to a drill string to rotate the drill string in a particular direction;
generating at least one of a torque feedback signal indicating that a torque limit on the drill string is exceeded and a turn feedback signal indicating that the drill string is stalled; and communicating the at least one feedback signal to an automated controller operably connected to the top drive, such that the automated controller outputs at least one directional command signal to the top drive to reverse the direction of the torque applied to the drill string when either the torque limit is exceeded or the drill string stalls.
11. The process of claim 10, wherein further comprising communicating at least one speed command signal and one torque limit signal to the top drive to control the speed of the motor and the torque applied by the motor.
12. The process of claim 11, wherein the motor is a DC motor and wherein the process further comprises controlling the speed of the electric motor by adjusting the voltage applied to the DC motor, and regulating the torque that can be applied by the DC motor by regulating the current supplied to the DC motor.
13. The process of claim 12, further comprising generating the torque feedback signal by monitoring the current being supplied to the DC motor.
14. The process of claim 11, wherein the motor is an AC motor and wherein the process further comprises controlling the speed and torque of the AC motor by regulating the frequency of the power supplied to the AC motor.
15. The process of claim 14, further comprising generating the torque feedback signal by monitoring the frequency of the power being supplied to the AC
motor.
16. The process of claim 10, further comprising monitoring the rotation of the top drive and generate the turn feedback signal.
17. The process of claim 10, further comprising pre-programming the automated controller with the torque limit and the drill string stall limit information.
18. The process of claim 10, further comprising:
retrieving at least one command signal from a memory cache;
transmitting the command signal to the top drive;
transmitting the feedback signals to the automated controller; and operating on the feedback signals to generate additional command signals in a continuous feedback process.
CA2636249A 2006-01-27 2007-01-25 Horizontal drilling system with oscillation control Active CA2636249C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US76269806P 2006-01-27 2006-01-27
US60/762,698 2006-01-27
PCT/US2007/061066 WO2007090034A2 (en) 2006-01-27 2007-01-25 Horizontal drilling system with oscillation control

Publications (2)

Publication Number Publication Date
CA2636249A1 true CA2636249A1 (en) 2007-08-09
CA2636249C CA2636249C (en) 2011-06-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2636249A Active CA2636249C (en) 2006-01-27 2007-01-25 Horizontal drilling system with oscillation control

Country Status (6)

Country Link
US (1) US7588099B2 (en)
EP (1) EP1979574B1 (en)
CN (1) CN101512098B (en)
CA (1) CA2636249C (en)
NO (1) NO339845B1 (en)
WO (1) WO2007090034A2 (en)

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US11499411B2 (en) 2020-11-13 2022-11-15 Pason Systems Corp. Methods, systems, and computer-readable media for performing automated drilling of a wellbore
US11549357B2 (en) 2019-10-11 2023-01-10 Pason Systems Corp. Methods, systems and media for controlling a toolface of a downhole tool
US11585205B2 (en) 2020-10-06 2023-02-21 Pason Systems Corp. Methods, systems, and media for controlling a toolface of a downhole tool
US11821272B2 (en) 2020-03-02 2023-11-21 Pason Systems Corp. Detecting a mud motor stall

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CA2942544C (en) * 2014-04-29 2020-06-30 Halliburton Energy Services, Inc. Tool face control of a downhole tool with reduced drill string friction
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US10422450B2 (en) 2017-02-03 2019-09-24 Weatherford Technology Holdings, Llc Autonomous connection evaluation and automated shoulder detection for tubular makeup
US10378282B2 (en) 2017-03-10 2019-08-13 Nabors Drilling Technologies Usa, Inc. Dynamic friction drill string oscillation systems and methods
US20190178072A1 (en) * 2017-12-07 2019-06-13 Tesco Corporation Brake assembly for a tubular connection system
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Publication number Priority date Publication date Assignee Title
US11549357B2 (en) 2019-10-11 2023-01-10 Pason Systems Corp. Methods, systems and media for controlling a toolface of a downhole tool
US11802473B2 (en) 2019-10-11 2023-10-31 Pason Systems Corp. Methods, systems, and media for controlling a toolface of a downhole tool
US11821272B2 (en) 2020-03-02 2023-11-21 Pason Systems Corp. Detecting a mud motor stall
US11585205B2 (en) 2020-10-06 2023-02-21 Pason Systems Corp. Methods, systems, and media for controlling a toolface of a downhole tool
US11499411B2 (en) 2020-11-13 2022-11-15 Pason Systems Corp. Methods, systems, and computer-readable media for performing automated drilling of a wellbore
US11905815B2 (en) 2020-11-13 2024-02-20 Pason Systems Corp. Methods, systems, and computer-readable media for performing automated drilling of a wellbore

Also Published As

Publication number Publication date
NO20083676L (en) 2008-10-27
EP1979574A4 (en) 2015-04-29
EP1979574B1 (en) 2016-07-13
NO339845B1 (en) 2017-02-06
EP1979574A2 (en) 2008-10-15
US20070175662A1 (en) 2007-08-02
WO2007090034A3 (en) 2009-05-07
US7588099B2 (en) 2009-09-15
CN101512098A (en) 2009-08-19
CA2636249C (en) 2011-06-14
CN101512098B (en) 2012-10-03
WO2007090034A2 (en) 2007-08-09

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