WO2002079601A1 - Device and method for determining drill parameters - Google Patents
Device and method for determining drill parameters Download PDFInfo
- Publication number
- WO2002079601A1 WO2002079601A1 PCT/EP2002/002981 EP0202981W WO02079601A1 WO 2002079601 A1 WO2002079601 A1 WO 2002079601A1 EP 0202981 W EP0202981 W EP 0202981W WO 02079601 A1 WO02079601 A1 WO 02079601A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drilling
- drilling parameters
- properties
- soil
- parameters
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
Definitions
- the invention relates to a device and a method for determining drilling parameters and claims the priorities of German patent applications 101 16 289.8 and 101 23 999.8, to which reference is made in terms of content.
- the invention has for its object to provide a device and a method for determining drilling parameters, especially on site.
- the method according to the invention makes it possible to determine drilling parameters in a standardized manner and thus to optimally use the technological possibilities.
- the soil samples can be examined for shear strength, compressive strength, particle size distribution, permeability and quartz content.
- Soil samples can be classified according to DIN standards for the most targeted selection of drilling parameters. For example, there is cohesive soil with a weight fraction of more than 15% with regard to the components with grain sizes of less than 0.06 mm according to DIN 1045.
- classification according to DIN 4022-1 can be carried out by kneading or rolling out.
- a soil classification according to DIN 18196 can be carried out.
- the DIN specifications are preferably simplified to such an extent that use on the construction site is possible.
- Soil properties such as hardness, abrasiveness, grain line, storage density or the chemical composition of the soil can be further relevant properties for use with the device according to the invention and according to the method according to the invention.
- the above-mentioned soil properties represent only a selection of the possible information or test steps that can be used with the invention for determining the drilling parameters. Combinations of the properties mentioned or other properties are determined or queried and further used for the determination of the required drilling parameters. Certain properties or combinations of properties lead to certain drilling parameters.
- the properties for selecting the drilling parameters are particularly preferably weighted.
- the soil properties are preferably queried by a computer (or a data processing system) and the desired drilling parameters are output by the computer.
- the computer contains in its memory assignment data for the assignment of certain combinations of properties to certain drilling parameters.
- the invention can also be operated with an analysis device or a controller.
- Fig. 1 is a flowchart for determining drilling parameters in loose rock
- Fig. 2 is a flowchart for the determination of drilling parameters in hard rock.
- FIGS. 1 and 2 show the basic structure of a computer program designed according to the invention for feeding into a computer.
- the flowcharts show that different soil properties, such as the formability, the rollability or the grain size for determining different drilling parameters, such as the type of setting drill heads or the type of flushing medium to be used.
- different soil properties such as the formability, the rollability or the grain size
- drilling parameters such as the type of setting drill heads or the type of flushing medium to be used.
- four drill heads and various bentonite fractions in the drilling medium are given as drilling parameters.
- a preferred bentonite concentration in the drilling medium can in turn be determined from the porosity and the water reflux.
- Fig. 2 shows a simpler embodiment for a decision between three different drill heads in the rock.
- any number of properties to be queried can be used with drilling parameters to be used, such as drilling heads, drilling media composition, impact and / or rotary drives, flushing pressure or other available parameters for drilling.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002257674A AU2002257674A1 (en) | 2001-03-30 | 2002-03-19 | Device and method for determining drill parameters |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10116289.8 | 2001-03-30 | ||
DE10116289 | 2001-03-31 | ||
DE10123999A DE10123999B4 (en) | 2001-03-30 | 2001-05-17 | Apparatus and method for determining drilling parameters |
DE10123999.8 | 2001-05-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002079601A1 true WO2002079601A1 (en) | 2002-10-10 |
WO2002079601A8 WO2002079601A8 (en) | 2003-01-16 |
Family
ID=26008979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/002981 WO2002079601A1 (en) | 2001-03-30 | 2002-03-19 | Device and method for determining drill parameters |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2002257674A1 (en) |
WO (1) | WO2002079601A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5720354A (en) * | 1996-01-11 | 1998-02-24 | Vermeer Manufacturing Company | Trenchless underground boring system with boring tool location |
US5812068A (en) * | 1994-12-12 | 1998-09-22 | Baker Hughes Incorporated | Drilling system with downhole apparatus for determining parameters of interest and for adjusting drilling direction in response thereto |
WO2000042287A1 (en) * | 1999-01-13 | 2000-07-20 | Vermeer Manufacturing Company | Automated bore planning method and apparatus for horizontal directional drilling |
WO2001021927A2 (en) * | 1999-09-24 | 2001-03-29 | Vermeer Manufacturing Company | Real-time control system and method for controlling an underground boring machine |
WO2001098631A1 (en) * | 2000-06-20 | 2001-12-27 | Baker Hughes Incorporated | Case-based drilling knowledge management system |
-
2002
- 2002-03-19 WO PCT/EP2002/002981 patent/WO2002079601A1/en not_active Application Discontinuation
- 2002-03-19 AU AU2002257674A patent/AU2002257674A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5812068A (en) * | 1994-12-12 | 1998-09-22 | Baker Hughes Incorporated | Drilling system with downhole apparatus for determining parameters of interest and for adjusting drilling direction in response thereto |
US5720354A (en) * | 1996-01-11 | 1998-02-24 | Vermeer Manufacturing Company | Trenchless underground boring system with boring tool location |
WO2000042287A1 (en) * | 1999-01-13 | 2000-07-20 | Vermeer Manufacturing Company | Automated bore planning method and apparatus for horizontal directional drilling |
WO2001021927A2 (en) * | 1999-09-24 | 2001-03-29 | Vermeer Manufacturing Company | Real-time control system and method for controlling an underground boring machine |
WO2001098631A1 (en) * | 2000-06-20 | 2001-12-27 | Baker Hughes Incorporated | Case-based drilling knowledge management system |
Also Published As
Publication number | Publication date |
---|---|
AU2002257674A1 (en) | 2002-10-15 |
WO2002079601A8 (en) | 2003-01-16 |
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