WO1997008428A1 - Method and device for drilling - Google Patents
Method and device for drilling Download PDFInfo
- Publication number
- WO1997008428A1 WO1997008428A1 PCT/SE1996/001052 SE9601052W WO9708428A1 WO 1997008428 A1 WO1997008428 A1 WO 1997008428A1 SE 9601052 W SE9601052 W SE 9601052W WO 9708428 A1 WO9708428 A1 WO 9708428A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drill bit
- feed
- drilling
- speed
- along
- Prior art date
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
- 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
-
- 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
Definitions
- fig 1 shows a side view of a drilling device according to the invention.
- Fig 2 shows a part of the drilling device in fig 1 on a larger scale.
- Fig 3 shows schematically a control system comprised in the drilling device according to the invention.
- the drilling device 3 is provided with a revolution sensor 23 for indication of the rotational speed of the rotary motor 14 and thus also indication if rotation is there or not. Signals from the different sensors are via cables 21 transferred to a control unit 9 for controlling the drilling process in a way which is closer described below.
- the control unit 9 is also used for registering the movement of the drilling device 3 along the feed device and for registering the rotation of the drilling device.
- the control unit 9 comprises a computer for controlling different functions during drilling.
- the control unit 9 Central for the contol is the control unit 9.
- the control unit comprises a microprocessor and necessary memory for storing the programs and data needed for holding set, predetermined, parameter values and measured values.
- the control unit is used for comparing set values with measured values and for controlling the equipment in dependence on the result of the comparison.
- the connection box 20 is used for easy connection of the different units.
- the control unit 9 is via the connection box connected with the revolution sensor 23.
- the control unit 9 is furthermore via the connection box 20 connected with two electrically controlled proportional valves 25,26.
- the proportional valve 25 controls the speed of the flushing medium pump 29 which delivers flushing medium from a flushing medium source 32 to a flushing head 17 connected to the top of the drill string 4.
- suitable parameter values at drilling with a 48 mm impregnated drill bit in granite is 20 cm/min constant penetration rate and 1500 rpm rotary speed.
- the feed force on the drill bit then normally varies between 5 and 10 kN for keeping the drill bit sharp. If the maximum feed force on the drill bit 20 kN is not sufficient for keeping the drill bit sharp the normal flushing medium flow 20 1/min is decreased to 10 1/min for sharpening the drill bit. Should the rotational speed decrease below 1200 rpm during the sharpening process it means that the drill bit is beginning to get damaged, why the flushing medium flow is increased to 20 1/min.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002230368A CA2230368A1 (en) | 1995-08-28 | 1996-08-27 | Method and device for drilling |
DE69624928T DE69624928T2 (en) | 1995-08-28 | 1996-08-27 | METHOD AND DEVICE FOR DRILLING |
EP96929620A EP0847479B1 (en) | 1995-08-28 | 1996-08-27 | Method and device for drilling |
AU68934/96A AU703002B2 (en) | 1995-08-28 | 1996-08-27 | Method and device for drilling |
US09/029,453 US6016878A (en) | 1995-08-28 | 1996-08-27 | Method and device for drilling |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9502961-7 | 1995-08-28 | ||
SE9502961A SE9502961D0 (en) | 1995-08-28 | 1995-08-28 | Drilling method and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997008428A1 true WO1997008428A1 (en) | 1997-03-06 |
Family
ID=20399293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1996/001052 WO1997008428A1 (en) | 1995-08-28 | 1996-08-27 | Method and device for drilling |
Country Status (7)
Country | Link |
---|---|
US (1) | US6016878A (en) |
EP (1) | EP0847479B1 (en) |
AU (1) | AU703002B2 (en) |
CA (1) | CA2230368A1 (en) |
DE (1) | DE69624928T2 (en) |
SE (1) | SE9502961D0 (en) |
WO (1) | WO1997008428A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6419031B1 (en) | 1997-06-13 | 2002-07-16 | Sandvik Tamrock Oy | Method of controlling rock drilling |
WO2006089367A1 (en) * | 2005-02-25 | 2006-08-31 | Commonwealth Scientific And Industrial Research Organisation | A method and system for controlling an excavating apparatus |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2165936C (en) * | 1995-12-21 | 2000-09-26 | Bert Stahl | Method and apparatus for controlling diamond drill feed |
SE520841C2 (en) * | 1998-09-03 | 2003-09-02 | Atlas Copco Rock Drills Ab | Rock drilling device with measuring device for measuring the movement of a rock drill along a feed beam |
US6637522B2 (en) | 1998-11-24 | 2003-10-28 | J. H. Fletcher & Co., Inc. | Enhanced computer control of in-situ drilling system |
DE10112364A1 (en) * | 2001-03-15 | 2002-09-19 | Hilti Ag | Hand tool with electronic depth stop |
US7026950B2 (en) * | 2003-03-12 | 2006-04-11 | Varco I/P, Inc. | Motor pulse controller |
SE527590C2 (en) | 2005-03-14 | 2006-04-18 | Atlas Copco Rock Drills Ab | Rock drill, has drilling device moved using press cylinder housed inside feeder beam and includes measuring device for drilling device position along beam |
WO2007107181A2 (en) | 2006-03-17 | 2007-09-27 | Halliburton Energy Services, Inc. | Matrix drill bits with back raked cutting elements |
FI123636B (en) * | 2006-04-21 | 2013-08-30 | Sandvik Mining & Constr Oy | A method for controlling the operation of a rock drilling machine and a rock drilling machine |
SE532483C2 (en) | 2007-04-11 | 2010-02-02 | Atlas Copco Rock Drills Ab | Method, apparatus and rock drilling rig for controlling at least one drilling parameter |
US8261855B2 (en) | 2009-11-11 | 2012-09-11 | Flanders Electric, Ltd. | Methods and systems for drilling boreholes |
US9222350B2 (en) | 2011-06-21 | 2015-12-29 | Diamond Innovations, Inc. | Cutter tool insert having sensing device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3613805A (en) * | 1969-09-03 | 1971-10-19 | Bucyrus Erie Co | Automatic control for rotary drill |
US3971449A (en) * | 1973-10-09 | 1976-07-27 | Oy Tampella Ab | Procedure for controlling a rock drill and rock drill for carrying out the procedure |
US4875530A (en) * | 1987-09-24 | 1989-10-24 | Parker Technology, Inc. | Automatic drilling system |
US5318136A (en) * | 1990-03-06 | 1994-06-07 | University Of Nottingham | Drilling process and apparatus |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5449047A (en) * | 1994-09-07 | 1995-09-12 | Ingersoll-Rand Company | Automatic control of drilling system |
-
1995
- 1995-08-28 SE SE9502961A patent/SE9502961D0/en unknown
-
1996
- 1996-08-27 US US09/029,453 patent/US6016878A/en not_active Expired - Fee Related
- 1996-08-27 WO PCT/SE1996/001052 patent/WO1997008428A1/en active IP Right Grant
- 1996-08-27 CA CA002230368A patent/CA2230368A1/en not_active Abandoned
- 1996-08-27 AU AU68934/96A patent/AU703002B2/en not_active Ceased
- 1996-08-27 EP EP96929620A patent/EP0847479B1/en not_active Expired - Lifetime
- 1996-08-27 DE DE69624928T patent/DE69624928T2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3613805A (en) * | 1969-09-03 | 1971-10-19 | Bucyrus Erie Co | Automatic control for rotary drill |
US3971449A (en) * | 1973-10-09 | 1976-07-27 | Oy Tampella Ab | Procedure for controlling a rock drill and rock drill for carrying out the procedure |
US4875530A (en) * | 1987-09-24 | 1989-10-24 | Parker Technology, Inc. | Automatic drilling system |
US5318136A (en) * | 1990-03-06 | 1994-06-07 | University Of Nottingham | Drilling process and apparatus |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6419031B1 (en) | 1997-06-13 | 2002-07-16 | Sandvik Tamrock Oy | Method of controlling rock drilling |
WO2006089367A1 (en) * | 2005-02-25 | 2006-08-31 | Commonwealth Scientific And Industrial Research Organisation | A method and system for controlling an excavating apparatus |
AP2342A (en) * | 2005-02-25 | 2011-12-28 | Commw Scient Ind Res Org | A method and system for controlling an excavating apparatus. |
Also Published As
Publication number | Publication date |
---|---|
EP0847479A1 (en) | 1998-06-17 |
SE9502961D0 (en) | 1995-08-28 |
AU703002B2 (en) | 1999-03-11 |
EP0847479B1 (en) | 2002-11-20 |
AU6893496A (en) | 1997-03-19 |
DE69624928T2 (en) | 2003-07-31 |
DE69624928D1 (en) | 2003-01-02 |
US6016878A (en) | 2000-01-25 |
CA2230368A1 (en) | 1997-03-06 |
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