CN110909432A - Drill bit design method based on artificial intelligence control theory - Google Patents
Drill bit design method based on artificial intelligence control theory Download PDFInfo
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- CN110909432A CN110909432A CN201911259833.9A CN201911259833A CN110909432A CN 110909432 A CN110909432 A CN 110909432A CN 201911259833 A CN201911259833 A CN 201911259833A CN 110909432 A CN110909432 A CN 110909432A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
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Abstract
The invention discloses a drill bit design method based on an artificial intelligence control theory, which comprises the following steps: determining the number of the water holes by an iterative calculation method according to the size and the number of the blades; classifying the water holes according to the distance between each water hole and a preset knife face point of the nearest cutter head; defining a first point water hole position and a second point water hole position according to a preset offset distance requirement; determining a water hole percentage movement reference line according to the first point water hole position and the second point water hole position and forming a water hole reference plane along the cutter head curved surface; determining the positions of all the water holes according to a preset offset angle by using a reference plane; and carrying out preset standardized cutting on all the water holes at corresponding positions. Through the technical scheme of the invention, the automatic generation of the water holes of the whole drill bit is realized, the design convenience and efficiency are greatly improved, and the impact on the cutting edge caused by the intersection of the water holes and the water channels can be avoided.
Description
Technical Field
The invention relates to the technical field of mechanical design, in particular to a drill bit design method based on an artificial intelligence control theory.
Background
At present, the design of PDC (polycrystalline diamond compact) drill bits adopts modeling many times and designs, the design quantity of the PDC drill bits with various types is large, labor consumption is high, the improvement of production efficiency is greatly limited, and particularly, dynamic water hole waterway forming and generating are more difficult.
The existing design scheme generally adopts step-by-step design, namely, windows or controls drawn by size, forming and other image user interface (GUI) tools are drawn on different layers, then the layers are superposed by a certain mechanism, the operation and adjustment process is complex, the efficiency is low, and water holes are easy to intersect in the drill bit, so that the mutual overlapping of water channel water flow generates impact on the cutting edge of the drill bit.
Disclosure of Invention
Aiming at least one of the problems, the invention provides a drill bit design method based on an artificial intelligence control theory, which automatically compares, judges and calculates the position points of the water holes in a linear iterative computation mode to determine the positions of the water holes, thereby realizing the automatic generation of the water holes of the whole drill bit, greatly improving the convenience and the efficiency of design, and simultaneously avoiding the water holes and water channels from crossing to impact a cutting edge in an iterative computation mode.
In order to achieve the purpose, the invention provides a drill bit design method based on an artificial intelligence control theory, which comprises the following steps: determining the number of the water holes by an iterative calculation method according to the size and the number of the blades; classifying the water holes according to the distance between each water hole and a preset knife face point closest to the head; defining a first point water hole position and a second point water hole position according to a preset offset distance requirement; determining a water hole percentage movement reference line and a water hole forming reference plane along the curved surface of the cutter head according to the first point water hole position and the second point water hole position; determining the positions of all the water holes according to a preset offset angle by using the reference plane; and carrying out preset standardized cutting on all the water holes at corresponding positions.
In the above technical solution, preferably, the classifying the water holes according to the distance between each water hole and the nearest cutter point specifically includes: and respectively establishing the positions of the feature tree file folders corresponding to the water holes according to the distance between each water hole and the knife face point of the nearest cutter head.
In the above technical solution, preferably, defining the first point water hole position and the second point water hole position according to the preset offset distance requirement specifically includes: defining the position of a first point water hole according to the preset distance between the water hole and the tool face of the first tool bit; and the position of the water hole at the second point is defined by comparing the knife face of the third knife head with the preset distance by adopting a PDI (probability distribution integral) position.
In the above technical solution, preferably, the offset angle is 12 ° to 15 °.
In the above technical solution, preferably, the preset distance from the tool face of the first tool bit is 18 mm.
In the foregoing technical solution, preferably, the determining the positions of all the water holes according to the preset offset angle by using the reference plane specifically includes: and determining the positions of all the water holes by iterative calculation according to the defined positions of the first point water holes and the second point water holes and a preset offset angle and the standard that the water channels of all the water holes do not generate interference.
Compared with the prior art, the invention has the beneficial effects that: the water hole position points are automatically compared, judged and calculated in a linear iterative calculation mode, and the position of the water hole is determined, so that the automatic generation of the whole drill bit water hole is realized, the design convenience and efficiency are greatly improved, and the phenomenon that the water hole and the water channel intersect to impact the cutting edge is avoided in the iterative calculation mode.
Drawings
Fig. 1 is a schematic flow chart of a drill bit design method based on artificial intelligence control theory according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1, the drill bit design method based on artificial intelligence control theory according to the present invention includes: determining the number of the water holes by an iterative calculation method according to the size and the number of the blades; classifying the water holes according to the distance between each water hole and a preset knife face point of the nearest cutter head; defining a first point water hole position and a second point water hole position according to a preset offset distance requirement; determining a water hole percentage movement reference line according to the first point water hole position and the second point water hole position and forming a water hole reference plane along the cutter head curved surface; determining the positions of all the water holes according to a preset offset angle by using a reference plane; and carrying out preset standardized cutting on all the water holes at corresponding positions.
Specifically, the water hole position points are automatically compared, judged and calculated in a linear iterative calculation mode, and the position of the water hole is determined, so that the automatic generation of the whole drill bit water hole is realized, the design convenience and efficiency are greatly improved, and the water hole and water channel intersection is avoided through the iterative calculation mode to impact the cutting edge. The water holes to be adjusted are found in the feature tree, the required parameter values are changed, and the positions of the water holes can be adjusted at will. The whole operation is the same as the operation of the original software, but the parameterization positioning hole position is more convenient. The user does not need to add a learning operation method, and can realize the automatic adjustment of the water hole only by modifying the corresponding numerical value. Besides, a function of manually and randomly adjusting the position of the water hole is additionally added (it is recommended that manual and random adjustment is not needed, the logic relation of the water hole which is set in a program is damaged, the phenomenon that the water holes are crossed with each other in the inside (manual fine adjustment is possible) can occur, and the mutual crossing of the water holes in the inside can be avoided forever because of automatic calculation of parameters included in automatic generation).
In the above embodiment, preferably, the classifying the water holes according to the distance between each water hole and the nearest tool bit blade surface point specifically includes: and classifying the water holes through Visual Studio programming, and establishing the positions of the feature tree folders corresponding to the water holes respectively according to the distance between each water hole and the knife-edge point of the nearest cutter head.
In the above embodiment, preferably, the defining the first point water hole position and the second point water hole position according to the preset offset distance requirement specifically includes: defining the position of a first point water hole according to the preset distance between the water hole and the tool face of the first tool bit; and (4) defining the position of the second point water hole by comparing the cutter face of the third cutter head with the preset distance in a PDI position comparison mode.
Specifically, firstly, defining an offset numerical control first point position, preferably, a water hole needs to be away from a first tool bit tool face by more than 18mm according to the preset distance requirement of a technical file, defining the first point position according to the technical requirement, then, defining a second point position at the position where a third tool bit tool face is offset by 18mm, and calculating the offset mode of the second point position at Visual Studio by adopting a PDI position comparison mode to further determine the offset central point position of the water hole.
In the above embodiment, preferably, the determining the positions of all the water holes according to the preset offset angle by using the reference plane specifically includes: and determining the positions of all the water holes by iterative calculation according to the defined positions of the first point water holes and the second point water holes and a preset offset angle and the standard that the water channels of all the water holes do not interfere with each other.
Specifically, a water outlet percentage movement datum line is defined by using a first point position and a second point position, a datum plane of a water outlet coordinate formed along the curved surface of the cutter head is established by using the first point position and the second point position as references, the datum plane is defined according to an offset mode, and the datum plane is defined at a position 50mm away from the curved surface tangent plane. And taking the defined reference plane as a standard, moving the reference coordinates of the centers of the water holes on the reference line according to percentages to determine that the fluid between the water channels does not generate interference as a standard, performing iterative calculation, and finally determining the positions of the water holes. Preferably, in order to avoid mutual interference of the water holes and the water channels, the generation is carried out by taking the water hole center offset as a standard of 12-15 degrees. Preferably, whether the water channels are intersected with each other or not is judged, the straight line percentage of the coordinates of the water holes is used for judging, and the standard that the production comparison percentage is not more than 5% and no undercut is generated is taken as a standard.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A drill bit design method based on artificial intelligence control theory is characterized by comprising the following steps:
determining the number of the water holes by an iterative calculation method according to the size and the number of the blades;
classifying the water holes according to the distance between each water hole and a preset knife face point closest to the head;
defining a first point water hole position and a second point water hole position according to a preset offset distance requirement;
determining a water hole percentage movement reference line and a water hole forming reference plane along the curved surface of the cutter head according to the first point water hole position and the second point water hole position;
determining the positions of all the water holes according to a preset offset angle by using the reference plane;
and carrying out preset standardized cutting on all the water holes at corresponding positions.
2. The bit design method based on artificial intelligence control theory according to claim 1, wherein the classifying the water holes according to the distance between each water hole and the preset nearest bit face point specifically comprises:
and respectively establishing the positions of the feature tree file folders corresponding to the water holes according to the distance between each water hole and the knife face point of the nearest cutter head.
3. The drill bit design method based on the artificial intelligence control theory as claimed in claim 1, wherein the defining the first point water hole position and the second point water hole position according to the preset offset distance requirement specifically comprises:
defining the position of a first point water hole according to the preset distance between the water hole and the tool face of the first tool bit;
and (4) defining the position of the second point water hole by comparing the cutter face of the third cutter head with the preset distance in a PDI position comparison mode.
4. The bit design method based on artificial intelligence control theory according to claim 1, wherein the offset angle is 12 ° to 15 °.
5. The drill bit design method based on the artificial intelligence control theory as claimed in claim 3, wherein the preset distance from the top tool face is 18 mm.
6. The drill bit design method based on the artificial intelligence control theory as claimed in claim 1, wherein the determining the positions of all the water pores according to the preset offset angle by the reference plane specifically comprises:
and determining the positions of all the water holes by iterative calculation according to the defined positions of the first point water holes and the second point water holes and a preset offset angle and the standard that the water channels of all the water holes do not generate interference.
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| CN201911259833.9A CN110909432A (en) | 2019-12-10 | 2019-12-10 | Drill bit design method based on artificial intelligence control theory |
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Citations (5)
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| CN1416497A (en) * | 2000-03-03 | 2003-05-07 | 维米尔制造公司 | Method and appts. for directional boring under mixed conditions |
| US20070144789A1 (en) * | 2005-10-25 | 2007-06-28 | Simon Johnson | Representation of whirl in fixed cutter drill bits |
| WO2014062174A1 (en) * | 2012-10-17 | 2014-04-24 | Halliburton Energy Services, Inc. | System and method for using mobile computing devices to select drill bits for wellbores |
| CN107059893A (en) * | 2017-05-02 | 2017-08-18 | 北京金航岩土工程有限责任公司 | The multiple green construction method in production face high slope hole |
| CN108229560A (en) * | 2018-01-02 | 2018-06-29 | 上海维宏电子科技股份有限公司 | The method that digital control system workpiece position matching is realized based on contour curve matching algorithm |
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2019
- 2019-12-10 CN CN201911259833.9A patent/CN110909432A/en active Pending
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| CN1416497A (en) * | 2000-03-03 | 2003-05-07 | 维米尔制造公司 | Method and appts. for directional boring under mixed conditions |
| US20070144789A1 (en) * | 2005-10-25 | 2007-06-28 | Simon Johnson | Representation of whirl in fixed cutter drill bits |
| WO2014062174A1 (en) * | 2012-10-17 | 2014-04-24 | Halliburton Energy Services, Inc. | System and method for using mobile computing devices to select drill bits for wellbores |
| CN107059893A (en) * | 2017-05-02 | 2017-08-18 | 北京金航岩土工程有限责任公司 | The multiple green construction method in production face high slope hole |
| CN108229560A (en) * | 2018-01-02 | 2018-06-29 | 上海维宏电子科技股份有限公司 | The method that digital control system workpiece position matching is realized based on contour curve matching algorithm |
Non-Patent Citations (5)
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| MENAND, STEPHANE: "Technology Focus: Drilling Technology (February 2011)", 《JOURNAL OF PETROLEUM TECHNOLOGY》 * |
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