CN109736771B - Surrounding rock analysis method and system based on drilling parameters of drill jumbo - Google Patents

Surrounding rock analysis method and system based on drilling parameters of drill jumbo Download PDF

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CN109736771B
CN109736771B CN201811517225.9A CN201811517225A CN109736771B CN 109736771 B CN109736771 B CN 109736771B CN 201811517225 A CN201811517225 A CN 201811517225A CN 109736771 B CN109736771 B CN 109736771B
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drilling
construction project
geological
configuration file
parameters
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CN109736771A (en
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刘飞香
郑大桥
秦念稳
甘甜
白晓宇
李婷婷
卢康远
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China Railway Construction Heavy Industry Group Co Ltd
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Abstract

The invention provides a surrounding rock analysis method based on drilling parameters of a drill jumbo, which comprises the following steps: acquiring while-drilling parameters acquired by the drill jumbo in different drill holes according to a preset time interval to form a drill hole log containing the while-drilling parameters; judging the category of the current construction project, and obtaining a geological analysis parameter configuration file of the current construction project according to the category of the construction project and the drilling log; and processing the parameters while drilling based on the geological analysis parameter configuration file to generate a geological cloud map of the current construction surrounding rock. According to the method, the surrounding rock can be analyzed through the drilling parameters of the rock drilling jumbo, the characteristics of the surrounding rock can be reflected, and the construction is convenient. In addition, the method carries out weight distribution on different parameters while drilling, and the obtained fitting data can fully reflect the condition of the surrounding rock, so that the analysis result of the surrounding rock is accurate and reliable, a basis can be provided for correctly selecting an excavation section, supporting design parameters and optimizing a construction scheme, and the drilling efficiency is improved while the construction safety is ensured.

Description

Surrounding rock analysis method and system based on drilling parameters of drill jumbo
Technical Field
The invention relates to the field of tunnel construction, in particular to a surrounding rock analysis method and system based on drilling parameters of a drill jumbo.
Background
The current geological research is based on more fields in petroleum exploration, and generally obtains various physical parameters of rocks, such as resistivity, acoustic velocity and the like, by utilizing the electrochemical properties, the acoustic properties and the like of the rocks, and then converts the parameters into geological information. The research of geological state identification based on coal mine tunnel construction mostly focuses on ensuring the safety construction aspect, obtaining the quality of surrounding rocks, cannot provide correct basis for correctly selecting tunnel excavation sections, supporting design parameters and optimizing construction schemes, and cannot improve the drilling efficiency while ensuring the construction safety.
Aiming at the current situation of tunnel construction, the invention provides a surrounding rock analysis method and system based on drilling parameters of a drill jumbo.
Disclosure of Invention
The invention provides a surrounding rock analysis method based on drilling parameters of a drill jumbo, which comprises the following steps:
acquiring while-drilling data acquired by the drill jumbo in different drill holes according to a preset time interval to form a drill hole log containing the while-drilling data; at present, the acquisition of while-drilling data is mostly controlled by the drilling length, for example, once while-drilling data is acquired every 2 cm, the acquired pressure sensor signal is transmitted to a controller PLC, and the controller performs corresponding processing operations such as storage, identification and the like according to the measured data. The traditional data acquisition method is easy to omit small cracks under special geological conditions, and if drilling abnormity, such as drill sticking, drill stopping and the like, occurs, the data acquisition is stopped because the distance requirement is not met; the working condition is judged and the actual condition is in and out, and the obtained data while drilling has certain defects in the aspects of reflecting the surrounding rock condition and guiding the subsequent construction. Aiming at the defects, the method controls the acquisition of data while drilling by taking time as a period, for example, the data acquisition is carried out once every 50ms, the drilling displacement is increased as a recording parameter, the difference of the drilling length in the same time is observed under the condition of constant power, the obtained propelling speed is more accurate, the abnormal drilling state can be found in a log in time, the data preprocessing is facilitated, and a further basis is provided for the quality analysis of surrounding rocks. Compared with the method that the data acquisition is controlled by the drilling length, the result analysis basis is increased, the authenticity of the obtained surrounding rock analysis result is enhanced, and the method is more accurate and efficient.
Judging the category of the current construction project, and obtaining a geological analysis parameter configuration file of the current construction project according to the category of the construction project and the drilling log;
and processing the while-drilling data based on the geological analysis parameter configuration file to generate a geological cloud map of the current construction surrounding rock.
According to one embodiment of the invention, the while-drilling parameters included in the while-drilling data are: propulsion speed, propulsion pressure, percussion pressure, rotary pressure, water pressure, and water flow. As the surrounding rock characteristics cannot be comprehensively judged by any single parameter while drilling, the method reflects the surrounding rock characteristics by normalizing a plurality of parameters, and breaks through the quantitative relation between seven parameters (parameters while drilling such as propulsion speed, propulsion pressure, impact pressure, gyration pressure, water pressure, gyration speed and water flow) and the surrounding rock. Through experimental research, according to the relevance of each parameter relative to the hardness of the surrounding rock, corresponding weights of seven while-drilling parameters are distributed, so that the fitting data can fully reflect the characteristics of the surrounding rock, the accuracy of the analysis result of the surrounding rock is improved, and the qualitative analysis of the surrounding rock is realized. Among all the while-drilling parameters, the propelling speed has the most direct relation with the hardness of surrounding rocks, so that the propelling speed accounts for the largest proportion in the fitting data.
According to an embodiment of the present invention, the step of determining the category of the current construction project and obtaining the geological analysis parameter configuration file of the current construction project according to the category of the construction project and the drilling log further includes the following steps:
identifying the type of the drill jumbo used in the current construction project, and judging whether the drill jumbo used currently has the historical use record of the project;
if the current drill jumbo used has the historical use record of the project, the geological analysis parameter configuration file of the current construction project is used as the configuration file of the configuration file generated;
and if the currently used drill jumbo does not have the historical use record of the project, calibrating the drill jumbo according to the drilling log to obtain a geological analysis parameter configuration file of the current construction project.
According to one embodiment of the invention, the step of performing a calibration operation on the rock drilling rig comprises: and analyzing the drilling log, processing the data in the drilling log and displaying the data in a standardized manner to finish the calibration operation.
According to an embodiment of the present invention, the step of generating the configuration file includes the following steps:
according to the drilling log, carrying out weight distribution on different types of parameters in the while-drilling parameters;
and obtaining fitting data according to the while-drilling data after weight distribution, wherein the fitting data belongs to the configuration file.
According to an embodiment of the present invention, the step of generating the configuration file includes: setting respective trolley parameters for the type of the drill hole, wherein the trolley parameters belong to the profile.
According to one embodiment of the invention, the type of borehole comprises: blast hole, slot hole and anchor rod hole. It should be noted that in other embodiments, other types of drilling holes besides blast holes, slotted holes and drill rod holes may be included, and the present invention is not limited thereto.
According to one embodiment of the invention, the geological cloud map comprises a geological section map, a surface map and a contour map in forms. It should be noted that, in other embodiments, geological cross-sectional diagrams, surface diagrams, and other types of geological cloud maps besides contour maps may also be included, and the present invention is not limited thereto.
According to another aspect of the invention, there is also provided a surrounding rock analysis system based on drill-while-drilling parameters of a drill jumbo, the system comprising:
the drilling log generation module is used for acquiring the drilling data acquired by the drill jumbo in different drill holes according to a preset time interval and forming a drill log containing the drilling data;
the geological analysis parameter configuration file generation module is used for judging the category of the current construction project and obtaining the geological analysis parameter configuration file of the current construction project according to the category of the construction project and the drilling log;
and the geological cloud map generation module is used for processing the while-drilling data based on the geological analysis parameter configuration file and generating a geological cloud map of the current construction surrounding rock.
According to one embodiment of the invention, the geological analysis parameter profile generation module comprises:
and the calibration unit is used for calibrating the drilling jumbo before project construction because surrounding rock data obtained when different drilling jumbo drills the same rock are different for various reasons, and geological cloud maps generated by different drilling jumbo workshops are also different if the machine is not calibrated, so that a surrounding rock analysis result is influenced. And the calibration unit is used for analyzing the drilling log, processing the data in the drilling log and displaying the data in a standardized manner to finish the calibration operation. In the calibration process, display differences of cloud pictures generated by different trolleys can be eliminated by analyzing parameters while drilling and displaying configuration files in a standardized manner. And the accuracy of the geological cloud map is improved.
The surrounding rock analysis method and system based on the drilling parameters of the drill jumbo can analyze the surrounding rock through the drilling parameters of the drill jumbo, can reflect the characteristics of the surrounding rock, and are convenient to construct. In addition, the method carries out weight distribution on different parameters while drilling, and the obtained fitting data can fully reflect the condition of the surrounding rock, so that the analysis result of the surrounding rock is accurate and reliable, a basis can be provided for correctly selecting an excavation section, supporting design parameters and optimizing a construction scheme, and the drilling efficiency is improved while the construction safety is ensured.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 shows a flow chart of a method for analyzing surrounding rock based on drill jumbo while drilling parameters according to an embodiment of the present invention;
FIG. 2 shows a flow chart of a method for analyzing surrounding rock based on drill jumbo while drilling parameters according to another embodiment of the present invention;
FIG. 3 shows a flowchart of calibration of a surrounding rock analysis method based on drill jumbo while drilling parameters according to one embodiment of the present invention; and
fig. 4 shows a structural block diagram of a surrounding rock analysis system based on drill jumbo while drilling parameters according to an embodiment of the invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Fig. 1 shows a flow chart of a surrounding rock analysis method based on drill jumbo while drilling parameters according to an embodiment of the invention.
As shown in fig. 1, in step S101, while-drilling data collected by the drill jumbo in different drill holes is acquired according to a preset time interval, and a drill log containing the while-drilling data is formed. When the drill jumbo is used for drilling, the data while drilling of the current drill hole of the drill jumbo sensor is automatically acquired once every drilling period, and then the current working drill hole log is generated by combining all the construction hole information.
Then, in step S102, the category of the current construction project is determined, and a geological analysis parameter configuration file of the current construction project is obtained according to the category of the construction project and the drilling log.
Finally, in step S103, the while-drilling data is processed based on the geological analysis parameter configuration file, and a geological cloud map of the currently constructed surrounding rock is generated. The geological cloud map comprises a geological section map, a surface map and a contour map.
Referring to fig. 1, by combining with a special working condition of tunnel construction and an MWD (drilling while drilling) analysis theory of advanced drilling, the method performs surrounding rock analysis by taking data fed back by a sensor in the drilling process of the drill jumbo as a judgment basis, and finally presents geological analysis conditions in the form of a geological cloud map.
Specifically, as shown in fig. 2, in an embodiment, in step S201, the data while drilling acquired by the drill jumbo in different drill holes is acquired according to a preset time interval. Step S202, forming a drilling log. When the drill jumbo drills, while-drilling data of the drill jumbo sensor at present drilled holes are automatically collected once every drilling period, and then a current working drilling log is generated by combining all construction hole information.
Then, in step S203, it is determined whether or not the current rock-drilling jumbo has the present item history use record. When different rock drilling trolleys drill into the same rock, the obtained surrounding rock data are different, and the generated geological cloud pictures are also different, so that the result of the surrounding rock analysis is influenced. It is therefore necessary to first determine whether the current drill jumbo is provided with this project history of use.
If the current drill jumbo has the historical use record of the project, in step S204, importing the configuration file which is already generated. And according to the working logs of the previous cycles, distributing weights to the drilling parameters of each hole to obtain fitting data. Corresponding jumbo parameters are then set for the different hole types (blast hole, slotted hole, anchor rod hole).
If the current drill jumbo does not have this project history of use, then in step S205, a drilling log is uploaded. And uploading the drilling log to geological analysis software to prepare for subsequently generating a configuration file.
Then, in step S206, the rock-drilling rig is calibrated. The calibration is standardized display of the configuration file, and aims to achieve good image display effect when a geological cloud picture is generated, reduce professional requirements on a map recognizer and facilitate analysis of rock stratum conditions.
Next, in step S207, the data while drilling is processed. Finally, in step S208, a geological cloud is generated. Processing the while-drilling parameters based on the configuration file, generating geological cloud maps in various forms such as a geological section map, a contour map and the like, and completing the MWD geological analysis.
Further, fig. 3 shows a flow chart of calibration of the surrounding rock analysis method based on drilling parameters of the drill jumbo according to an embodiment of the present invention.
As shown in fig. 3, in step S301, the drilling log is analyzed. In step 302, after the borehole log is analyzed to obtain a configuration file, the configuration file is standardized and displayed, and a geological analysis configuration file is generated, that is, calibration is completed.
FIG. 4 shows a block diagram of a surrounding rock analysis system based on drill jumbo while drilling parameters, according to an embodiment of the present invention. As shown in fig. 4, the system includes a logging while drilling generation module 401, a geological analysis parameter profile generation module 402, and a geological cloud map generation module 403. The logging while drilling module 401 includes an obtaining unit 4011 and a statistic generating unit 4012. The geological analysis parameter configuration file generation module 402 includes a judgment unit 4021, a configuration file generation unit 4022, an import unit 4023, and a calibration unit 4024. The geological cloud generation module 403 includes a processing unit 4031 and a cloud generation unit 4032.
The logging-while-drilling generation module 401 is configured to obtain data while drilling acquired by the drill jumbo at different drill holes according to a preset time interval, and form a drill log including the data while drilling. The acquisition unit 4011 is configured to acquire while drilling data. The statistic generation unit 4012 is configured to count previous data while drilling to generate a drilling log.
The geological analysis parameter configuration file generation module 402 is configured to determine a category of the current construction project, and obtain a geological analysis parameter configuration file of the current construction project according to the category of the construction project and the drilling log. The judging unit 4021 is configured to identify a type of a drill jumbo used in a current construction project, and judge whether the drill jumbo used currently has a historical use record of the project.
The importing unit 4023 is configured to import the generated configuration file as a geological analysis parameter configuration file of the current construction project when the currently used drill jumbo has the historical use record of the project;
the calibration unit 4024 is configured to calibrate the drill jumbo according to the drilling log if the drill jumbo currently used does not have the historical use record of the project, so as to obtain a geological analysis parameter configuration file of the current construction project.
The configuration file generating unit 4022 is configured to perform weight distribution on different types of parameters while drilling according to the drilling log. And then, obtaining fitting data according to the while-drilling data after weight distribution, wherein the fitting data belongs to the configuration file.
The profile generation unit 4022 is further configured to set a corresponding drill jumbo parameter for the type of borehole, wherein the drill jumbo parameter belongs to the profile. The types of boreholes include: blast hole, slot hole and anchor rod hole. It should be noted that other types of drilling holes besides blast holes, slotted holes and drill rod holes may be included, and the present invention is not limited thereto.
The geological cloud map generation module 403 is configured to process the data while drilling based on the geological analysis parameter configuration file, and generate a geological cloud map of the current construction surrounding rock. Processing unit 4031 is used to process while drilling data. The cloud map generation unit 4032 is used for generating geological cloud maps. The geological cloud map form comprises a geological section map, a surface map and a contour map. It should be noted that geological section maps, surface maps, and other types of geological cloud maps besides contour maps may also be included, and the present invention is not limited thereto.
It is to be understood that the disclosed embodiments of the invention are not limited to the particular structures, process steps, or materials disclosed herein but are extended to equivalents thereof as would be understood by those ordinarily skilled in the relevant arts. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting.
Reference in the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. Thus, the appearances of the phrase "one embodiment" or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A surrounding rock analysis method based on drilling parameters of a drill jumbo is characterized by comprising the following steps:
acquiring while-drilling data acquired by a drill jumbo in different drill holes according to a preset time interval to form a drill log containing the while-drilling data, wherein the while-drilling data comprises the following types of while-drilling parameters: propulsion speed, propulsion pressure, impact pressure, rotation pressure, water pressure, rotation speed, and water flow;
judging the category of the current construction project, and obtaining a geological analysis parameter configuration file of the current construction project according to the category of the construction project and the drilling log;
processing the while-drilling data based on the geological analysis parameter configuration file to generate a geological cloud map of the current construction surrounding rock, wherein the geological cloud map comprises a geological section map, a surface map and a contour map;
judging the category of the current construction project, and obtaining a geological analysis parameter configuration file of the current construction project according to the category of the construction project and the drilling log, wherein the method further comprises the following steps: identifying the type of the drill jumbo used in the current construction project, and judging whether the drill jumbo used currently has historical use records of the current construction project; if the current drilling jumbo does not have the historical use record of the current construction project, calibrating the drilling jumbo according to the drilling log to obtain a geological analysis parameter configuration file of the current construction project;
the step of performing a calibration operation on the drill jumbo comprises: analyzing the drilling log, processing the data in the drilling log and displaying the data in a standardized manner to finish the calibration operation;
the step of generating the configuration file comprises the following steps: according to the drilling log, carrying out weight distribution on different types of parameters in the while-drilling parameters; and obtaining fitting data according to the while-drilling data after weight distribution, wherein the fitting data belongs to the configuration file.
2. The method of claim 1, wherein the step of determining a category of the current construction project and obtaining a geological analysis parameter profile for the current construction project based on the category of the construction project and the drilling log further comprises the steps of:
and if the currently used drill jumbo has the historical use record of the current construction project, using the generated configuration file as a geological analysis parameter configuration file of the current construction project.
3. The method of claim 1, wherein the step of generating a configuration file comprises: setting respective trolley parameters for the type of the drill hole, wherein the trolley parameters belong to the profile.
4. The method of claim 3, wherein the type of borehole comprises: blast hole, slot hole and anchor rod hole.
5. A surrounding rock analysis system based on drill jumbo while drilling parameters, wherein the method of any one of claims 1-4 is performed, the system comprising:
the drilling log generation module is used for acquiring the drilling data acquired by the drill jumbo in different drill holes according to a preset time interval and forming a drill hole log containing the drilling data;
the geological analysis parameter configuration file generation module is used for judging the category of the current construction project and obtaining the geological analysis parameter configuration file of the current construction project according to the category of the construction project and the drilling log;
and the geological cloud map generation module is used for processing the while-drilling data based on the geological analysis parameter configuration file and generating a geological cloud map of the current construction surrounding rock.
6. The system of claim 5, wherein the geological analysis parameter profile generation module comprises:
and the calibration unit is used for analyzing the drilling log, processing the data in the drilling log and displaying the data in a standardized manner so as to finish the calibration operation.
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CN111396035B (en) * 2020-03-04 2020-11-27 中国地质大学(武汉) Method for identifying interface and resistivity of coal bed and surrounding rock based on electromagnetic measurement while drilling signal
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CN106354893A (en) * 2015-07-14 2017-01-25 中国石油化工股份有限公司 Method for geologic modeling with horizontal well data during drilling
CN105422088B (en) * 2015-11-11 2020-02-07 中国煤炭科工集团太原研究院有限公司 Coal mine tunnel geological parameter on-line monitoring system
CN108266193A (en) * 2018-03-12 2018-07-10 中铁十二局集团有限公司 IVth, the construction method in V grade of weak surrounding rock tunneling boring tunnel
CN108535721A (en) * 2018-03-28 2018-09-14 山东大学 A kind of secondary lining detecting system and method based on artificial intelligence
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