CN114293936B - Drilling state monitoring device and monitoring method for drilling machine - Google Patents
Drilling state monitoring device and monitoring method for drilling machine Download PDFInfo
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Abstract
The application discloses a drilling state monitoring device and a monitoring method of a drilling machine, comprising a drilling posture monitoring unit arranged between a drill bit and a drill rod and a drilling fluid pressure monitoring unit arranged between a water braid and a drilling fluid water delivery hose; the drilling posture monitoring unit is used for measuring, storing and transmitting drilling posture parameters, and the drilling fluid pressure monitoring unit is used for measuring, storing and transmitting drilling fluid pressure parameters. According to the application, drilling fluid and drilling posture measurement are completed in the drilling state process of the drilling machine, an effective drilling fluid data value is extracted from drilling fluid pressure data monitored in real time, an effective drilling posture data value is extracted from drilling posture data monitored in real time, and the drilling fluid data value and the drilling posture data value are combined to accurately monitor the drilling state of the drilling machine, so that the drilling machine is simple and convenient, and the whole drilling process is known in real time under the condition of not increasing additional workload and application cost.
Description
Technical Field
The application belongs to the technical field of drilling measurement, and relates to a drilling state monitoring device and a monitoring method of a drilling machine.
Background
Drilling gas drainage is the most commonly used gas control means in coal mining, and a large number of drilling holes are required to be constructed in a mine. The response of the underground coal mine drilling machine is closely related to the state of the rock mass, and the construction state of the drilling machine can be estimated according to the response of the drilling machine during drilling in the process of constructing the drilling holes, but the acquisition of the information mainly depends on the experience of constructors at present, so that the unreliable information acquisition is unavoidable. The on-line monitoring and data acquisition software can realize the networking ground monitoring of working condition parameters of drilling machine equipment, data acquisition, calculation and management, acquire a large amount of effective data for automatic drilling management and technical research, and provide software tools and data bases for automatic drilling data acquisition and data research. The drilling parameters are mastered in the drilling construction process, and the accurate drilling construction monitoring is beneficial to scientific construction of various drilling holes of the mine, so that the method has important significance for safe production of the mine.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the application provides a drilling state monitoring device and a monitoring method for a drilling machine, solves the problem that the prior art cannot monitor the drilling process of a drilling machine under a coal mine in real time, has potential safety hazards in process management and construction processes, and can effectively monitor the drilling state under the coal mine in real time, thereby eliminating potential safety hazards in production and providing an effective evaluation means for checking and accepting drilling construction.
In order to achieve the above purpose, the application adopts the following technical scheme:
the drilling state monitoring device of the drilling machine comprises a drilling posture monitoring unit arranged between a drill bit and a drill rod and a drilling fluid pressure monitoring unit arranged between a water braid and a drilling fluid delivery hose, wherein one end of the drill rod is connected with the drilling posture monitoring unit, the other end of the drill rod is connected with one end of the water braid, and the other end of the water braid is connected with the drilling fluid pressure monitoring unit;
the drilling posture monitoring unit is used for measuring, storing and transmitting drilling posture parameters and comprises a drilling posture monitoring probe, and an optical fiber gyroscope, an accelerometer, a posture measurement control circuit and a storage and communication circuit A which are arranged in the drilling posture monitoring probe; the attitude measurement probe is connected between the drill rod and the drill bit, the optical fiber gyroscope is connected with the accelerometer, the accelerometer is connected with the attitude measurement control circuit, and the attitude measurement control circuit is connected with the storage and communication circuit A; the drilling posture monitoring unit can measure drilling posture parameters;
the drilling fluid pressure monitoring unit is used for measuring, storing and transmitting drilling fluid pressure parameters and comprises a drilling fluid pressure monitoring probe, a pressure sensor, a weighing sensor, a pressure measurement control circuit and a storage and communication circuit B, wherein the pressure sensor, the weighing sensor and the pressure measurement control circuit are arranged in the drilling fluid pressure monitoring probe; the pressure sensor is connected with the weighing sensor, the weighing sensor is connected with the pressure measurement control circuit, and the pressure measurement control circuit is connected with the storage and communication circuit B.
The application also comprises the following technical characteristics:
optionally, the drilling posture parameters comprise a drilling tool facing angle, an inclination angle and an azimuth angle; the drilling fluid pressure parameters include drilling fluid pressure and drilling fluid mass.
Optionally, the fiber optic gyroscope and accelerometer can measure borehole attitude parameters;
the attitude measurement control circuit is used for measuring and recording drilling attitude parameters measured by the fiber-optic gyroscope and the accelerometer and storing the drilling attitude parameters in the memory chip;
the storage and communication circuit A can transmit the measured drilling posture parameters to data.
Optionally, the mode that the storage and communication circuit a will measure the drilling posture parameter and carry out data transmission is that the drilling posture parameter is transmitted to the data transmission line that drilling fluid pressure monitoring unit of drilling is connected through the drilling rod, and the data transmission line transmits the drilling posture parameter such as electric current, voltage that drilling posture monitoring unit measured to communication adapter, passes through communication adapter after the transmission to ground data center customer end by communication optic fibre.
Optionally, three groups of X-axis fiber optic gyroscopes, Y-axis fiber optic gyroscopes and Z-axis fiber optic gyroscopes which are arranged in an orthogonal manner, and three groups of X-axis accelerometers, Y-axis accelerometers and Z-axis accelerometers which are arranged in an orthogonal manner are sequentially arranged in the drilling posture monitoring probe tube.
Optionally, the pressure sensor and the load cell are used for measuring drilling fluid pressure parameters, wherein the pressure sensor is used for measuring drilling fluid pressure of a water column reserved in a drilled hole; the weighing sensor is used for measuring the mass of the drilling fluid, converting the drilling fluid into weight digital display, and storing and counting the weight data;
the pressure measurement control circuit is used for measuring and recording drilling fluid pressure parameters measured by the pressure sensor and the weighing sensor and storing the drilling fluid pressure parameters in the storage chip;
the storage and communication circuit B can transmit data of the measured drilling fluid pressure parameters.
Optionally, the data transmission mode of the storage and communication circuit B to the measured drilling fluid pressure parameter is to transmit the drilling fluid pressure parameter to a data transmission line connected to the drilling fluid pressure monitoring unit, the data transmission line transmits the drilling fluid pressure parameter such as current and voltage measured by the drilling fluid pressure monitoring unit to the communication adapter, and the drilling fluid pressure parameter is transmitted to the ground data center client through the communication optical fiber after passing through the communication adapter.
A method of monitoring the drilling status of a drilling machine, the method comprising the steps of:
step 1, issuing synchronous time for a drilling posture monitoring unit and a drilling fluid pressure monitoring unit to perform time synchronous operation;
step 2, sequentially connecting a drill bit, a drilling posture monitoring unit, a common drill rod, a water braid and drilling fluid pressure monitoring unit and a drilling fluid water delivery hose; starting a water pump to deliver water under pressure, and starting drilling after drilling fluid returns from an orifice;
step 3, the drilling posture monitoring unit measures and records drilling posture parameters and corresponding measurement time in real time, and the drilling fluid pressure monitoring unit measures and records drilling fluid pressure parameters and corresponding measurement time in real time;
step 4, extracting an effective drilling posture parameter and an effective drilling fluid pressure parameter;
step 4.1, extracting effective drilling attitude parameters: firstly, acquiring received drilling posture parameters, building a space, importing data into a designated space, setting specific conditions for extracting data to prepare for data extraction, setting the effective conditions for extracting the drilling posture parameters to be that the drilling inclination angle is less than 85 degrees or less than-85 degrees, re-extracting if the set extraction conditions are not met, and storing data in a data format if the extraction conditions are met, wherein the stored data are written into an effective drilling posture parameter file;
step 4.2, extracting effective drilling fluid pressure parameters: firstly, acquiring received drilling fluid pressure parameters, building a space, then importing data into a designated space, setting specific conditions for extracting data to prepare for data extraction, setting the effective conditions for extracting the drilling fluid pressure parameters to be drilling pressure greater than zero, re-extracting if the drilling fluid pressure parameters do not reach the set extraction conditions, and finishing a data format to store data if the drilling fluid pressure parameters reach the extraction conditions, wherein the stored data are written into an effective drilling fluid pressure parameter file;
step 5, taking time as a reference, simultaneously extracting drilling attitude parameters and drilling fluid pressure parameters from the effective drilling attitude parameter file and the effective drilling fluid pressure parameter file; wherein the drilling posture parameters comprise a drilling tool facing angle, an inclination angle and an azimuth angle; drilling fluid pressure parameters include drilling fluid pressure and drilling fluid mass;
step 6, analyzing the drilling posture parameter and the drilling fluid pressure parameter, matching the drilling posture parameter and the drilling fluid pressure parameter at the same time, if the matching is not completed, re-performing data matching, and if the matching is completed, writing the data into a drilling monitoring data file; analyzing the borehole attitude parameters includes: firstly, reading stored drilling posture parameters, sorting the drilling posture parameters, and matching the relation among tool face angle, inclination angle, azimuth angle and time in the drilling posture parameters; analyzing the drilling fluid pressure parameters includes: reading the saved drilling fluid pressure parameters, finishing the drilling fluid pressure parameters, and matching the relation among the drilling fluid pressure, the drilling fluid quality and the time in the drilling fluid pressure parameters;
step 7, drilling state analysis of the drilling machine, wherein the drilling state analysis of the drilling machine is carried out through the change conditions of the extracted and matched drilling posture parameters and drilling fluid pressure parameters, and the drilling state analysis of the drilling machine comprises stopping drilling, normal drilling, replacing a drilling rod and returning the drilling rod;
step 8, submitting drilling monitoring results; and after the data analysis and the drilling state analysis of the drilling machine are completed, submitting drilling monitoring results of the drilling machine, wherein the results can reflect the whole construction process of the drilling machine and the change condition of monitoring parameters in the construction process.
Optionally, in step 6, matching the drilling posture parameter and the drilling fluid pressure parameter at the same time includes:
a, establishing a one-dimensional coordinate taking time as an axis, wherein the unit of time is second;
b, extracting tool orientation angle, inclination angle and azimuth angle parameters in drilling posture parameters, wherein the data corresponds to the time in the step a one by one, namely the data of the tool orientation angle, inclination angle and azimuth angle of each second drilling posture are recorded during data sampling;
and c, extracting the drilling fluid pressure and the drilling fluid mass value in the drilling fluid pressure parameter, and extracting the drilling fluid pressure value according to the time of the step a, wherein the extracting and calculating method comprises the following steps: t= |t1-t2| <3, wherein t1 is the time in the step b, namely drilling posture parameter measurement time, t2 is drilling fluid pressure parameter measurement time, and when the time difference t between the two is smaller than 3 seconds, the data can be used under the same time condition;
d, extracting the drilling fluid pressure and the drilling fluid quality value which meet the time conditions in the step c;
e, establishing a two-dimensional data body with time as an abscissa and tool face angle, dip angle, azimuth angle, drilling fluid pressure and drilling fluid quality value, and completing data matching.
Optionally, in the step 7, analyzing the drilling state of the drilling machine includes the following cases:
the drilling fluid pressure in the drill rod becomes large instantaneously when drilling begins, and reaches the maximum value quickly, and the drilling fluid pressure changes little in the drilling process; continuously measuring inclination angle, azimuth angle and tool facing angle data during drilling, wherein the measured inclination angle, azimuth angle and tool facing angle data can fluctuate due to drilling interference;
after the drilling of the single drill rod is completed, the drilling machine stops drilling, and the drilling fluid pressure in the drilling is continuously reduced under the condition that the drilling fluid pressure is not fed; at the moment, the measured inclination angle, azimuth angle and tool face angle data are stable;
drilling is completed on one drill rod, and before the next drill rod is replaced, the drill rod is filled with drilling fluid, so that the mass of the drilling fluid is maximum; at the moment, the drilling track measurement process is not interfered, and the measured inclination angle, azimuth angle and tool face angle data are stable;
during the process of replacing the drill pipe, the drilling fluid pressure in the drill pipe is in a state of rapid decline; at the moment, the measured inclination angle, azimuth angle and tool face angle data are stable;
in the process of drill withdrawal, the drilling fluid pressure in the drill rod can be reduced to zero; at this time, the measured inclination angle, azimuth angle and tool face angle data are stable.
Compared with the prior art, the application has the beneficial technical effects that:
when the drilling state monitoring device of the drilling machine is used for monitoring the drilling state of the drilling machine, drilling fluid and drilling posture measurement are completed in the drilling state process of the drilling machine, effective drilling fluid data values are extracted from drilling fluid pressure data monitored in real time, effective drilling posture data values are extracted from drilling posture data monitored in real time, and the drilling state monitoring device and the drilling posture data values are combined to accurately monitor the drilling state of the drilling machine, so that the drilling state monitoring device of the drilling machine is simple and convenient, and the whole drilling process of the drilling machine can be known in real time under the condition of not increasing additional workload and application cost.
Drawings
FIG. 1 is a schematic diagram of a monitoring device according to the present application;
FIG. 2 is a flow chart of the monitoring method of the present application;
FIG. 3 is a schematic diagram of a borehole attitude monitoring unit and borehole drilling fluid pressure monitoring unit;
FIG. 4 is a flow chart for extracting effective data of drilling fluid pressure parameters;
FIG. 5 is a flow chart for extracting borehole attitude parameter valid data;
FIG. 6 is a flow chart of a rig drilling status monitoring data analysis;
FIG. 7 is a comparison of drilling fluid pressure parameter extraction effectiveness;
FIG. 8 is a comparative graph of borehole gesture parameter extraction effectiveness;
fig. 9 is a graph of the analysis results of drilling status monitoring data of the drilling machine.
Reference numerals meaning: 1. the drilling machine comprises a drill bit, a drilling posture monitoring unit, a drill rod, a water swivel, a drilling fluid pressure monitoring unit, a drilling fluid delivery pipe, a data transmission line, a drilling posture monitoring probe, a fiber optic gyroscope, an accelerometer, a power supply battery, a drilling fluid pressure monitoring probe, a pressure sensor and a weighing sensor.
The application is described in detail below with reference to the drawings and the detailed description.
Detailed Description
The drilling parameters are important factors influencing and restricting the cost and quality, and the drilling quality can be effectively improved and the drilling cost can be reduced by reasonably optimizing and matching the drilling key parameters. According to the application, factors such as water power, stratum and the like are comprehensively considered, and the multi-objective real-time optimization of drilling parameters is realized through the research of a multi-objective intelligent optimization algorithm, so that references and bases are provided for the research of drilling parameter optimization technology and intelligent drilling equipment. The application provides a drilling state monitoring device of a drilling machine, which analyzes the running state of the drilling machine based on monitoring data and provides the drilling state monitoring device and method of the drilling machine according to analysis results.
The following specific embodiments of the present application are given according to the above technical solutions, and it should be noted that the present application is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solutions of the present application fall within the protection scope of the present application. The present application will be described in further detail with reference to examples.
Example 1:
as shown in fig. 1, this embodiment provides a drilling state monitoring device of a drilling machine, including a drilling posture monitoring unit 2 arranged between a drill bit 1 and a drill rod 3, and a drilling fluid pressure monitoring unit 5 arranged between a water braid 4 and a drilling fluid delivery hose 6, wherein one end of the drill rod 3 is connected with the drilling posture monitoring unit 2, the other end is connected with one end of the water braid 4, and the other end of the water braid 4 is connected with the drilling fluid pressure monitoring unit 5.
The drilling posture monitoring unit 2 is used for measuring, storing and transmitting drilling posture parameters, and comprises a drilling posture monitoring probe 21, and an optical fiber gyroscope 22, an accelerometer 23, a posture measurement control circuit and a storage and communication circuit A which are arranged in the drilling posture monitoring probe 21, wherein in the embodiment, a power supply battery 24 is also arranged in the drilling posture monitoring probe 21; the fiber-optic gyroscope 22 is used for measuring the angular velocity vector of the earth rotation with high sensitivity to determine the inclination direction of the drilling, which is the direction relative to the north direction of the earth, also called true north azimuth, so as to realize self-north-seeking measurement; the drilling posture monitoring probe 21 is connected between the drill rod 3 and the drill bit 1, the optical fiber gyro 22 is connected with the accelerometer 23, the accelerometer 23 is connected with the posture measurement control circuit, and the posture measurement control circuit is connected with the storage and communication circuit A.
The drilling fluid pressure monitoring unit 5 is used for measuring, storing and transmitting drilling fluid pressure parameters, and comprises a drilling fluid pressure monitoring probe 51, a pressure sensor 52, a weighing sensor 53, a pressure measurement control circuit and a storage and communication circuit B, wherein the pressure sensor 52, the weighing sensor 53, the pressure measurement control circuit and the storage and communication circuit B are arranged in the drilling fluid pressure monitoring probe 51; the pressure sensor 52 is connected with the weighing sensor 53, the weighing sensor 53 is connected with a pressure measurement control circuit, and the pressure measurement control circuit is connected with the storage and communication circuit B.
The drilling attitude parameters comprise a drilling tool facing angle, an inclination angle and an azimuth angle; the drilling fluid pressure parameters include drilling fluid pressure and drilling fluid mass.
The fiber optic gyroscope 22 and the accelerometer 23 can measure the drilling attitude parameters; the attitude measurement control circuit is used for measuring and recording drilling attitude parameters measured by the fiber-optic gyroscope and the accelerometer and storing the drilling attitude parameters in the memory chip; the storage and communication circuit A can transmit the measured drilling posture parameters.
The mode that the storage and communication circuit A carries out data transmission on the measured drilling posture parameters is that the drilling posture parameters are transmitted to a data transmission line 7 connected with the drilling fluid pressure monitoring unit 5 through a drill rod 3, the data transmission line 7 transmits the drilling posture parameters measured by the drilling posture monitoring unit 2 to a communication adapter, and the drilling posture parameters are transmitted to a ground data center client through a communication optical fiber after passing through the communication adapter.
Three groups of X-axis optical fiber gyroscopes, Y-axis optical fiber gyroscopes and Z-axis optical fiber gyroscopes which are arranged in an orthogonal mode are sequentially arranged in the drilling posture monitoring probe tube 21, and three groups of X-axis accelerometers, Y-axis accelerometers and Z-axis accelerometers which are arranged in an orthogonal mode are sequentially arranged in the drilling posture monitoring probe tube.
A pressure sensor 52 and a load cell 53 for measuring a drilling fluid pressure parameter, wherein the pressure sensor 52 is for measuring the drilling fluid pressure of a water column remaining in the borehole; the weighing sensor 53 is used for measuring the mass of drilling fluid, converting the drilling fluid into weight digital display, and storing and counting the weight data; the pressure measurement control circuit is used for measuring and recording drilling fluid pressure parameters measured by the pressure sensor 52 and the weighing sensor 53 and storing the drilling fluid pressure parameters in the memory chip; the storage and communication circuit B can transmit the measured drilling fluid pressure parameters.
The data transmission mode of the storage and communication circuit B for the measured drilling fluid pressure parameter is that the drilling fluid pressure parameter is transmitted to a data transmission line 7 connected with the drilling fluid pressure monitoring unit 5, the drilling fluid pressure parameter measured by the drilling fluid pressure monitoring unit 5 is transmitted to a communication adapter by the data transmission line 7, and is transmitted to a ground data center client by a communication optical fiber after passing through the communication adapter.
Example 2:
the embodiment provides a drilling state monitoring method of a drilling machine, as shown in fig. 2, which is an overall flow chart of the monitoring method, and the method comprises the following steps:
step 1, each instrument is ready to start running, and synchronous time is issued for a drilling posture monitoring unit and a drilling fluid pressure monitoring unit to perform time synchronization operation;
step 2, sequentially connecting a drill bit, a drilling posture monitoring unit, a common drill rod, a water braid and drilling fluid pressure monitoring unit and a drilling fluid water delivery hose; starting a water pump to deliver water under pressure, and starting drilling after drilling fluid returns from an orifice;
step 3, the drilling posture monitoring unit measures and records drilling posture parameters and corresponding measurement time in real time, and the drilling fluid pressure monitoring unit measures and records drilling fluid pressure parameters and corresponding measurement time in real time;
FIG. 3 is a schematic diagram of a borehole attitude monitoring unit and borehole drilling fluid pressure monitoring unit; the optical fiber gyroscope and the accelerometer can measure drilling posture parameters, the posture measurement control circuit measures and records the measured drilling posture parameters and stores the measured drilling posture parameters in the storage chip, the storage and communication circuit A transmits the measured drilling posture parameters to a data transmission line connected with the drilling fluid pressure monitoring unit through a drill rod, the data transmission line transmits the drilling posture parameters to the communication adapter, and the data transmission line transmits the drilling posture parameters to a ground data center client through the communication optical fiber after passing through the communication adapter. The pressure sensor and the weighing sensor measure drilling fluid pressure parameters, the pressure measurement control circuit measures and records the drilling fluid pressure parameters and stores the drilling fluid pressure parameters in the memory chip, the memory and communication circuit B transmits the measured drilling fluid pressure parameters to a data transmission line connected with the drilling fluid pressure monitoring unit, the data transmission line transmits the drilling fluid pressure parameters to the communication adapter, and the drilling fluid pressure parameters are transmitted to a ground data center client through the communication optical fiber after passing through the communication adapter.
Step 4, extracting an effective drilling posture parameter and an effective drilling fluid pressure parameter;
step 4.1 extracts the effective borehole attitude parameters as shown in fig. 5: firstly, acquiring received drilling posture parameters, building a space, importing data into a designated space, setting specific conditions for extracting data to prepare for data extraction, setting the effective conditions for extracting the drilling posture parameters to be that the drilling inclination angle is less than 85 degrees or less than-85 degrees, re-extracting if the set extraction conditions are not met, and storing data in a data format if the extraction conditions are met, wherein the stored data are written into an effective drilling posture parameter file;
as shown in fig. 8, which is a comparison graph of the extraction effectiveness of the parameter of the detected borehole attitude, the abscissa of fig. 8 is time, and the ordinate is inclination angle, the effective condition of extracting the borehole attitude is set to be less than 85 degrees, because when the inclination angle is greater than 85 degrees or less than-85 degrees, the error of the azimuth angle of the borehole becomes larger due to the larger inclination angle, and the method is not suitable for processing and analyzing data. The data collected at this time are not stored and processed as monitoring data, and only the inclination angle, azimuth angle, tool facing angle and time data when the inclination angle of the drilling hole is smaller than 85 degrees or larger than-85 degrees are selected for storage and processing.
Step 4.2 extracts the effective drilling fluid pressure parameters as shown in fig. 4: firstly, acquiring received drilling fluid pressure parameters, building a space, then importing data into a designated space, setting specific conditions for extracting data to prepare for data extraction, setting the effective conditions for extracting the drilling fluid pressure parameters to be drilling pressure greater than zero, re-extracting if the drilling fluid pressure parameters do not reach the set extraction conditions, and finishing a data format to store data if the drilling fluid pressure parameters reach the extraction conditions, wherein the stored data are written into an effective drilling fluid pressure parameter file;
as shown in fig. 7, the parameter extraction effectiveness comparison chart of the monitored drilling fluid pressure is shown, the abscissa of fig. 7 is time, the ordinate is drilling fluid pressure, the condition of effective data extraction is set to be that the drilling pressure is greater than zero, when the drilling fluid pressure is zero, namely, the drilling machine removes the drilling fluid water supply port, the collected data is not stored and processed as the monitored data, and only the pressure and time data with the drilling fluid pressure greater than zero are selected for storage and processing.
Step 5, taking time as a reference, simultaneously extracting drilling attitude parameters and drilling fluid pressure parameters from the effective drilling attitude parameter file and the effective drilling fluid pressure parameter file; wherein the drilling posture parameters comprise a drilling tool facing angle, an inclination angle and an azimuth angle; drilling fluid pressure parameters include drilling fluid pressure and drilling fluid mass;
step 6, analyzing the drilling posture parameter and the drilling fluid pressure parameter, matching the drilling posture parameter and the drilling fluid pressure parameter at the same time, if the matching is not completed, re-performing data matching, and if the matching is completed, writing the data into a drilling monitoring data file; as shown in fig. 6, analyzing borehole attitude parameters includes: firstly, reading stored drilling posture parameters, sorting the drilling posture parameters, and matching the relation among tool face angle, drilling inclination angle, azimuth angle and time in the drilling posture parameters; analyzing the drilling fluid pressure parameters includes: reading the saved drilling fluid pressure parameters, finishing the drilling fluid pressure parameters, and matching the relation among the drilling fluid pressure, the drilling fluid quality and the time in the drilling fluid pressure parameters;
matching the drilling attitude parameter and the drilling fluid pressure parameter at the same time includes:
a, establishing a one-dimensional coordinate taking time as an axis, wherein the unit of time is second;
b, extracting tool orientation angle, inclination angle and azimuth angle parameters in drilling posture parameters, wherein the data corresponds to the time in the step a one by one, namely the data of the tool orientation angle, inclination angle and azimuth angle of each second drilling posture are recorded during data sampling;
and c, extracting the drilling fluid pressure and the drilling fluid quality value in the drilling fluid pressure parameter, wherein the drilling fluid pressure parameter is sampled with time record, but is not synchronous with the sampling time of the drilling posture parameter, so that the sampling time is different, and the time point closest to the drilling posture parameter is extracted as the drilling fluid pressure parameter for matching according to the time of the step a, the drilling fluid pressure value is extracted, and the extraction calculation method comprises the following steps: t= |t1-t2| <3, wherein t1 is the time in the step b, namely drilling posture parameter measurement time, t2 is drilling fluid pressure parameter measurement time, and when the time difference t between the two is smaller than 3 seconds, the data can be used under the same time condition;
d, extracting the drilling fluid pressure and the drilling fluid quality value which meet the time conditions in the step c;
e, establishing a two-dimensional data body with time as an abscissa and tool face angle, inclination angle, azimuth angle, drilling fluid pressure and drilling fluid quality value, and completing data matching at the moment;
step 7, drilling state analysis of the drilling machine, wherein the drilling state analysis of the drilling machine is carried out through the change conditions of the extracted and matched drilling posture parameters and drilling fluid pressure parameters, and the drilling state analysis of the drilling machine comprises stopping drilling, normal drilling, replacing a drilling rod and returning the drilling rod; analyzing the drilling state of the drilling machine comprises the following conditions:
the drilling fluid pressure in the drill rod becomes large instantaneously when drilling begins, and reaches the maximum value quickly, and the drilling fluid pressure changes little in the drilling process; continuously measuring inclination angle, azimuth angle and tool facing angle data during drilling, wherein the measured inclination angle, azimuth angle and tool facing angle data can fluctuate due to drilling interference;
after the drilling of the single drill rod is completed, the drilling machine stops drilling, and the drilling fluid pressure in the drilling is continuously reduced under the condition that the drilling fluid pressure is not fed; at the moment, the measured inclination angle, azimuth angle and tool face angle data are stable;
drilling is completed on one drill rod, and before the next drill rod is replaced, the drill rod is filled with drilling fluid, so that the mass of the drilling fluid is maximum; at the moment, the drilling track measurement process is not interfered, and the measured inclination angle, azimuth angle and tool face angle data are stable;
during the process of replacing the drill pipe, the drilling fluid pressure in the drill pipe is in a state of rapid decline; at the moment, the measured inclination angle, azimuth angle and tool face angle data are stable;
in the process of drill withdrawal, the drilling fluid pressure in the drill rod can be reduced to zero; at the moment, the measured inclination angle, azimuth angle and tool face angle data are stable;
as shown in fig. 9, the drilling state monitoring data analysis result diagram of the drilling machine can be combined with drilling posture parameters and drilling fluid pressure parameters to monitor the drilling state of the drilling machine, including stopping drilling, normal drilling, replacing a drill rod and returning the drill rod.
Step 8, submitting drilling monitoring results; and after the data analysis and the drilling state analysis of the drilling machine are completed, submitting drilling monitoring results of the drilling machine, wherein the results can reflect the whole construction process of the drilling machine and the change condition of monitoring parameters in the construction process.
Claims (8)
1. The drilling state monitoring method of the drilling machine is characterized by being realized by a drilling state monitoring device of the drilling machine, wherein the drilling state monitoring device of the drilling machine comprises a drilling posture monitoring unit (2) arranged between a drill bit (1) and a drill rod (3) and a drilling fluid pressure monitoring unit (5) arranged between a water braid (4) and a drilling fluid delivery hose (6), one end of the drill rod (3) is connected with the drilling posture monitoring unit (2), the other end is connected with one end of the water braid (4), and the other end of the water braid (4) is connected with the drilling fluid pressure monitoring unit (5);
the drilling posture monitoring unit (2) is used for measuring, storing and transmitting drilling posture parameters and comprises a drilling posture monitoring probe tube (21), and an optical fiber gyroscope (22), an accelerometer (23), a posture measurement control circuit and a storage and communication circuit A which are arranged in the drilling posture monitoring probe tube (21); the drilling posture monitoring probe tube (21) is connected between the drill rod (3) and the drill bit (1), the optical fiber gyroscope (22) is connected with the accelerometer (23), the accelerometer (23) is connected with the posture measurement control circuit, and the posture measurement control circuit is connected with the storage and communication circuit A;
the drilling fluid pressure monitoring unit (5) is used for measuring, storing and transmitting drilling fluid pressure parameters and comprises a drilling fluid pressure monitoring probe (51), and a pressure sensor (52), a weighing sensor (53), a pressure measurement control circuit and a storage and communication circuit B which are arranged in the drilling fluid pressure monitoring probe (51); the pressure sensor (52) is connected with the weighing sensor (53), the weighing sensor (53) is connected with the pressure measurement control circuit, and the pressure measurement control circuit is connected with the storage and communication circuit B;
the drilling posture parameters comprise a drilling tool facing angle, an inclination angle and an azimuth angle; drilling fluid pressure parameters include drilling fluid pressure and drilling fluid mass;
the method comprises the following steps:
step 1, issuing synchronous time for a drilling posture monitoring unit and a drilling fluid pressure monitoring unit to perform time synchronous operation;
step 2, sequentially connecting a drill bit, a drilling posture monitoring unit, a common drill rod, a water braid and drilling fluid pressure monitoring unit and a drilling fluid water delivery hose; starting a water pump to deliver water under pressure, and starting drilling after drilling fluid returns from an orifice;
step 3, the drilling posture monitoring unit measures and records drilling posture parameters and corresponding measurement time in real time, and the drilling fluid pressure monitoring unit measures and records drilling fluid pressure parameters and corresponding measurement time in real time;
step 4, extracting an effective drilling posture parameter and an effective drilling fluid pressure parameter;
step 4.1, extracting effective drilling attitude parameters: firstly, acquiring received drilling posture parameters, building a space, importing data into a designated space, setting specific conditions for extracting data to prepare for data extraction, setting the effective conditions for extracting the drilling posture parameters to be that the drilling inclination angle is less than 85 degrees or less than-85 degrees, re-extracting if the set extraction conditions are not met, and storing data in a data format if the extraction conditions are met, wherein the stored data are written into an effective drilling posture parameter file;
step 4.2, extracting effective drilling fluid pressure parameters: firstly, acquiring received drilling fluid pressure parameters, building a space, then importing data into a designated space, setting specific conditions for extracting data to prepare for data extraction, setting the effective conditions for extracting the drilling fluid pressure parameters to be drilling pressure greater than zero, re-extracting if the drilling fluid pressure parameters do not reach the set extraction conditions, and finishing a data format to store data if the drilling fluid pressure parameters reach the extraction conditions, wherein the stored data are written into an effective drilling fluid pressure parameter file;
step 5, taking time as a reference, simultaneously extracting drilling attitude parameters and drilling fluid pressure parameters from the effective drilling attitude parameter file and the effective drilling fluid pressure parameter file; wherein the drilling posture parameters comprise a drilling tool facing angle, an inclination angle and an azimuth angle; drilling fluid pressure parameters include drilling fluid pressure and drilling fluid mass;
step 6, analyzing the drilling posture parameter and the drilling fluid pressure parameter, matching the drilling posture parameter and the drilling fluid pressure parameter at the same time, if the matching is not completed, re-performing data matching, and if the matching is completed, writing the data into a drilling monitoring data file; analyzing the borehole attitude parameters includes: firstly, reading stored drilling posture parameters, sorting the drilling posture parameters, and matching the relation among tool face angle, inclination angle, azimuth angle and time in the drilling posture parameters; analyzing the drilling fluid pressure parameters includes: reading the saved drilling fluid pressure parameters, finishing the drilling fluid pressure parameters, and matching the relation among the drilling fluid pressure, the drilling fluid quality and the time in the drilling fluid pressure parameters;
step 7, drilling state analysis of the drilling machine, wherein the drilling state analysis of the drilling machine is carried out through the change conditions of the extracted and matched drilling posture parameters and drilling fluid pressure parameters, and the drilling state analysis of the drilling machine comprises stopping drilling, normal drilling, replacing a drilling rod and returning the drilling rod;
step 8, submitting drilling monitoring results; and after the data analysis and the drilling state analysis of the drilling machine are completed, submitting drilling monitoring results of the drilling machine, wherein the results can reflect the whole construction process of the drilling machine and the change condition of monitoring parameters in the construction process.
2. The drilling state monitoring method of the drilling machine according to claim 1, wherein the fiber optic gyroscope (22) and the accelerometer (23) can measure drilling attitude parameters;
the attitude measurement control circuit is used for measuring and recording drilling attitude parameters measured by the fiber-optic gyroscope and the accelerometer and storing the drilling attitude parameters in the memory chip;
the storage and communication circuit A can transmit the measured drilling posture parameters to data.
3. The drilling state monitoring method of the drilling machine according to claim 2, wherein the mode of the storage and communication circuit A for transmitting the measured drilling posture parameters is that the drilling posture parameters are transmitted to a data transmission line (7) connected with the drilling fluid pressure monitoring unit (5) through a drill rod (3), the data transmission line (7) transmits the drilling posture parameters measured by the drilling posture monitoring unit (2) to a communication adapter, and the drilling posture parameters are transmitted to a ground data center client through a communication optical fiber after passing through the communication adapter.
4. The drilling state monitoring method of the drilling machine according to claim 1, wherein three groups of mutually orthogonal X-axis fiber optic gyroscopes, Y-axis fiber optic gyroscopes and Z-axis fiber optic gyroscopes, and three groups of mutually orthogonal X-axis accelerometers, Y-axis accelerometers and Z-axis accelerometers are sequentially arranged in the drilling posture monitoring probe (21).
5. The drilling state monitoring method of claim 1, wherein the pressure sensor (52) and the load cell (53) are configured to measure a drilling fluid pressure parameter, wherein the pressure sensor (52) is configured to measure the drilling fluid pressure of a water column remaining in the borehole; the weighing sensor (53) is used for measuring the mass of drilling fluid, converting the drilling fluid into weight digital display, and storing and counting weight data;
the pressure measurement control circuit is used for measuring and recording drilling fluid pressure parameters measured by the pressure sensor (52) and the weighing sensor (53) and storing the drilling fluid pressure parameters in the memory chip;
the storage and communication circuit B can transmit data of the measured drilling fluid pressure parameters.
6. The drilling state monitoring method of the drilling machine according to claim 5, wherein the data transmission mode of the storage and communication circuit B to the measured drilling fluid pressure parameter is to transmit the drilling fluid pressure parameter to a data transmission line (7) connected with the drilling fluid pressure monitoring unit (5), and the data transmission line (7) transmits the drilling fluid pressure parameter measured by the drilling fluid pressure monitoring unit (5) to the communication adapter, and then to the ground data center client through the communication optical fiber after passing through the communication adapter.
7. The drilling status monitoring method of claim 1, wherein in step 6, matching the drilling posture parameter and the drilling fluid pressure parameter at the same time comprises:
a, establishing a one-dimensional coordinate taking time as an axis, wherein the unit of time is second;
b, extracting tool orientation angle, inclination angle and azimuth angle parameters in drilling posture parameters, wherein the data corresponds to the time in the step a one by one, namely the data of the tool orientation angle, inclination angle and azimuth angle of each second drilling posture are recorded during data sampling;
and c, extracting the drilling fluid pressure and the drilling fluid mass value in the drilling fluid pressure parameter, and extracting the drilling fluid pressure value according to the time of the step a, wherein the extracting and calculating method comprises the following steps:t=|t1-t2|<3, whereint1 is the time in step b, i.e. the borehole attitude parameter measurement time,t2 is the measurement time of drilling fluid pressure parameter, and the time difference between the twotWhen the absolute value is less than 3 seconds, the data can be used under the same time condition;
d, extracting the drilling fluid pressure and the drilling fluid quality value which meet the time conditions in the step c;
e, establishing a two-dimensional data body with time as an abscissa and tool face angle, dip angle, azimuth angle, drilling fluid pressure and drilling fluid quality value, and completing data matching.
8. The method of monitoring the drilling status of a drilling machine according to claim 7, wherein in the step 7, analyzing the drilling status of the drilling machine includes:
the drilling fluid pressure in the drill rod becomes large instantaneously when drilling begins, and reaches the maximum value quickly, and the drilling fluid pressure changes little in the drilling process; continuously measuring inclination angle, azimuth angle and tool facing angle data during drilling, wherein the measured inclination angle, azimuth angle and tool facing angle data can fluctuate due to drilling interference;
after the drilling of the single drill rod is completed, the drilling machine stops drilling, and the drilling fluid pressure in the drilling is continuously reduced under the condition that the drilling fluid pressure is not fed; at the moment, the measured inclination angle, azimuth angle and tool face angle data are stable;
drilling is completed on one drill rod, and before the next drill rod is replaced, the drill rod is filled with drilling fluid, so that the mass of the drilling fluid is maximum; at the moment, the drilling track measurement process is not interfered, and the measured inclination angle, azimuth angle and tool face angle data are stable;
during the process of replacing the drill pipe, the drilling fluid pressure in the drill pipe is in a state of rapid decline; at the moment, the measured inclination angle, azimuth angle and tool face angle data are stable;
in the process of drill withdrawal, the drilling fluid pressure in the drill rod can be reduced to zero; at this time, the measured inclination angle, azimuth angle and tool face angle data are stable.
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