CN205445581U - Monitoring system of black box , downhole tool state and well drilling operating mode - Google Patents
Monitoring system of black box , downhole tool state and well drilling operating mode Download PDFInfo
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Abstract
The utility model provides a black box, based on the downhole tool state of black box and the system of well drilling operating mode monitoring, black box including storage module, sensor module and communication module, wherein, sensor module, with storage module be connected for acquisition parameter information, the parameter information include temperature, pressure, moment of torsion and vibration, storage module, with communication module be connected, be used for with the parameter information save, communication module, be used for sending the parameter information. Black box can carry out single -point or the nimble installation of multiple spot according to actual conditions, monitors and take notes downhole tool's the parameter information including temperature, pressure, moment of torsion, vibration among the drilling process, when the well drilling finishes, through reading the parameter information from black box, creation data storehouse, and then monitoring downhole tool's state and well drilling operating mode.
Description
Technical field
This utility model is about oil-gas exploration and development technique field, especially with regard to the monitoring technology of drilling well, is concretely a kind of black box, downhole tool state based on black box and the system of drilling condition monitoring.
Background technology
During oil exploration and exploitation, drilling well is fund and technology-intensive type engineering.Drilling tool is the actuator of drilling engineering.In drilling process, drilling tool, in the high temperature well of full drilling fluid, subjects the effect jointly such as tensile, compressive, bending, torsion and drilling liquid pressure, and working environment is complicated and changeable, and operating mode is the most severe.Thus causing drilling tool to be easily damaged, drilling condition is abnormal to happen occasionally, and down-hole complex accident takes place frequently, and the drilling well exploitation cycle is long, and drilling cost is high.
Along with drilling tool design, the development of manufacturing technology, the price of drilling tool rising tune the most therewith, and the design applicable working condition parameter area of drilling tool is limited, and actual life is closely related with the operating mode of experience during drilling well, the high-amplitude vibration of drill string is i.e. the one of the main reasons of drilling tool damage.The data currently mainly relying on artificial well logging carry out rough calculation to the working time of drilling tool, it is difficult to fully understand in time the drilling tool duty in down-hole, this certainly will produce impact to the specifically used situation grasping drilling tool, unnecessary drilling tool also can be caused to substitute, scrap, be difficult to accomplish to make the best use of everything.
During wellbore construction; the DHAs such as drilling rod, borehole instruments, helicoid hydraulic motor are linked to be drill string; there is large amount of complex and uncertain influence factor in whole tool state and drilling condition; different downhole tool self-characteristics all there are differences with residing down well placement; if running into underground working occur that exception or drilling tool break down, the data message provided with current recording mode is difficult to the data support accurately judging to give abundance to practical situation.
In prior art, the research in terms of downhole tool state and drilling condition monitoring is confined to temperature, the conceptual phase of two parameters of pressure mostly.In general; under existing well, tool state and drilling condition monitoring are primarily present problems with: monitoring parameter is few; the data source being available for analyzing reference is not enough; it is difficult to the comprehensive assessment to downhole tool state and drilling condition; it is difficult to the timely prediction to exception or malfunction, it is difficult to realize accurately concluding failure cause.
Therefore, how to research and develop out a kind of new scheme, its be capable of to downhole tool state and the comprehensive assessment of drilling condition, to the prediction in time of exception or malfunction, realize failure cause is accurately judged be this area technical barrier urgently to be resolved hurrily.
Utility model content
In order to overcome the monitoring parameter that in prior art, downhole tool state and drilling condition monitoring are primarily present few, it is available for analyzing the technical problem of the data source deficiency of reference, this utility model provides a kind of black box, downhole tool state based on black box and the system of drilling condition monitoring, black box can carry out single-point according to practical situation or multiple spot is installed flexibly, that monitors and record downhole tool in drilling process includes temperature, pressure, moment of torsion, the parameter information of vibration, at the end of drilling well, by reading parameter information from black box, set up data base, and then monitor state and the drilling condition of downhole tool.
One of the purpose of this utility model is, a kind of black box is provided, described black box includes memory module, sensor assembly and communication module, wherein, described sensor assembly, being connected with described memory module, for acquisition parameter information, described parameter information includes temperature, pressure, moment of torsion and vibration；Described memory module, is connected with described communication module, for being stored by described parameter information；Described communication module, for sending described parameter information.
In preferred implementation of the present utility model, described black box also includes: supply module, is connected with described memory module, sensor assembly and communication module respectively, for powering to described memory module, sensor assembly and communication module.
In preferred implementation of the present utility model, described black box also includes protective housing, is provided with seal protecting device in described protective housing.
In preferred implementation of the present utility model, described sensor assembly includes temperature sensor, pressure transducer, MEMS 3-axis acceleration sensor and foil gauge torque sensor.
In preferred implementation of the present utility model, described communication module includes: RS485 interface, for communicating with ground；Underground communica tion interface, for communicating with downhole drill instrument.
In preferred implementation of the present utility model, described black box is integrated in downhole drill instrument.
In preferred implementation of the present utility model, described black box is installed on the arbitrary node of downhole drill instrument separately as an instrument pipe nipple, single-point or multiple spot.
One of the purpose of this utility model is, provide a kind of downhole tool state based on black box and the system of drilling condition monitoring, described system includes monitoring device, downhole tool and black box, wherein, described monitoring device specifically includes: parameter information acquisition module, for obtaining the parameter information that black box sends in drilling process, described parameter information includes temperature, pressure, moment of torsion and vibration；First Database module, for setting up parameter-temporal database according to described parameter information；Well depth-time data acquisition module, for obtaining the well depth-time data of ground well logging；Database module, for setting up parameter-well depth data base according to described parameter-temporal database and well depth-temporal database；Monitoring modular, for the state according to downhole tool described in described parameter-well depth database monitor and drilling condition.
In preferred implementation of the present utility model, described monitoring device also includes: computation model acquisition module, for obtaining the computation model pre-build；Type and position acquisition module, for obtaining the node location of downhole tool type and black box；Computation model selects module, for selecting corresponding computation model according to described tool types and node location；Time domain frequency domain parsing module, for carrying out the parsing of time domain and frequency domain according to described computation model to described parameter-temporal database；Parameter threshold acquisition module, is used for obtaining parameter threshold set in advance；Section locating module, was used for, according to described parameter threshold, the parameter-temporal database after resolving is carried out qualitative analysis, quantitative Analysis and feature extraction, to position the time period that downhole tool occurs abnormal time period or drilling condition fault to occur fault time.
In preferred implementation of the present utility model, described monitoring device also includes: abnormal cause diagnostic module, for occurring the abnormal time period to diagnose described downhole tool according to described parameter-well depth data base and downhole tool, abnormal reason occurs；Failure cause diagnostic module, the reason that the time period diagnosis drilling condition fault for occurring according to described parameter-well depth data base and drilling condition fault occurs.
In preferred implementation of the present utility model, described monitoring device also includes: specifications parameter acquisition module, is used for obtaining downhole tool specifications parameter；Assessment report output module, for described parameter-well depth data base being compareed described downhole tool specifications parameter, the state estimation report of output downhole tool.
In preferred implementation of the present utility model, described monitoring device also includes: display module, for according to described parameter-well depth data base, is shown by list or curve form by described parameter information.
The beneficial effects of the utility model are, provide a kind of black box, downhole tool state based on black box and the system of drilling condition monitoring, black box can carry out single-point according to practical situation or multiple spot is installed flexibly, drilling process is monitored and is recorded the parameter information including temperature, pressure, moment of torsion, vibration of downhole tool, at the end of drilling well, by reading parameter information from black box, set up data base, and then monitor state and the drilling condition of downhole tool, it is achieved accurate measurements and the accurately assessment to downhole tool state and drilling condition.
For above and other objects, features and advantages of the present utility model can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, it is described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the embodiment one of a kind of black box that Fig. 1 provides for this utility model embodiment；
The structural representation of the embodiment two of a kind of black box that Fig. 2 provides for this utility model embodiment；
The structural representation of the embodiment three of a kind of black box that Fig. 3 provides for this utility model embodiment；
The structural representation of the sensor assembly of a kind of black box that Fig. 4 provides for this utility model embodiment；
The structural representation of the communication module of a kind of black box that Fig. 5 provides for this utility model embodiment；
Fig. 6 is the schematic diagram that black box independent utility is down-hole black box pipe nipple this utility model embodiment provided；
Fig. 7 is the schematic diagram that black box application is multiple black box independence pipe nipples this utility model embodiment provided；
Fig. 8 is the schematic diagram that the black box that this utility model embodiment provides is applied to helicoid hydraulic motor；
Fig. 9 is the application schematic diagram that the black box that multiple this utility model embodiments provide is applied to downhole tool composition DHA；
The structured flowchart of the system of a kind of based on black box downhole tool state that Figure 10 provides for this utility model embodiment and drilling condition monitoring；
The structured flowchart of the embodiment one of monitoring device in the system of a kind of based on black box downhole tool state that Figure 11 provides for this utility model embodiment and drilling condition monitoring；
The structured flowchart of the embodiment two of monitoring device in the system of a kind of based on black box downhole tool state that Figure 12 provides for this utility model embodiment and drilling condition monitoring；
The structured flowchart of the embodiment three of monitoring device in the system of a kind of based on black box downhole tool state that Figure 13 provides for this utility model embodiment and drilling condition monitoring；
The structured flowchart of the embodiment four of monitoring device in the system of a kind of based on black box downhole tool state that Figure 14 provides for this utility model embodiment and drilling condition monitoring；
The structured flowchart of the embodiment five of monitoring device in the system of a kind of based on black box downhole tool state that Figure 15 provides for this utility model embodiment and drilling condition monitoring；
Figure 16 is curve display interface；
Figure 17 is the Data Comparison figure after pressure initial data and Filtering Processing.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
It is few that this utility model monitors, for downhole tool state in prior art and drilling condition, the monitoring parameter being primarily present, it is available for analyzing the technical problem of the data source deficiency of reference, this utility model provides a kind of black box, downhole tool state based on black box and the system of drilling condition monitoring, black box can carry out single-point according to practical situation or multiple spot is installed flexibly, that monitors and record downhole tool in drilling process includes temperature, pressure, moment of torsion, the parameter information of vibration, at the end of drilling well, by reading parameter information from black box, set up data base, and then monitor state and the drilling condition of downhole tool.
The purpose of this utility model is to utilize downhole tool state based on black box and drilling condition monitoring method to solve downhole tool state and the collection of drilling condition parameter, store, analyze, diagnose and evaluation problem.
The structural representation of the embodiment one of a kind of black box that Fig. 1 provides for this utility model embodiment, as shown in Figure 1, in embodiment one, described black box 100 includes memory module 101, sensor assembly 102 and communication module 103,
Wherein, described sensor assembly 102, it is connected with described memory module 101, for acquisition parameter information, described parameter information includes temperature, pressure, moment of torsion and vibration.
Described memory module 101, is connected with described communication module 103, for being stored by described parameter information.The parameter informations such as the temperature that collects, pressure, moment of torsion, vibration are in pretreatment is stored in black box, and memory module 101 has power down can defencive function.
Described communication module 103, for sending described parameter information.
The structural representation of the embodiment two of a kind of black box that Fig. 2 provides for this utility model embodiment, as shown in Figure 2, in embodiment two, described black box also includes:
Supply module 104, is connected with described memory module, sensor assembly and communication module respectively, for powering to described memory module, sensor assembly and communication module.
In a particular embodiment, supply module 104 measures memory module 101 after powering on, and samples according to each sensor in the sample frequency command sensor module 102 arranged, is stored in memory module 101 after obtaining data, and storage function power down can be protected.
The structural representation of the embodiment three of a kind of black box that Fig. 3 provides for this utility model embodiment, from the figure 3, it may be seen that in embodiment three, described black box also includes protective housing 105, is provided with seal protecting device in described protective housing.
Fig. 4 is the structural representation of sensor assembly, and as shown in Figure 4, described sensor assembly 102 specifically includes temperature sensor 1021, pressure transducer 1022, MEMS 3-axis acceleration sensor 1023 and foil gauge torque sensor 1024.
In a particular embodiment, can be according to demand at the pressure measuring hydrophthalmia and annular space close to hydrophthalmia and annular space position two pressure transducers of installation respectively.Foil gauge torque sensor is installed at protective housing inwall and measures moment of torsion.On measurement module circuit, mounting temperature sensor measures temperature.MEMS 3-axis acceleration sensor is installed in protective housing and measures vibration.Jointly completing the collection to downhole tool duty parameter information by each sensor, frequency acquisition is adjustable.
The structural representation of the communication module of a kind of black box that Fig. 5 provides for this utility model embodiment, as shown in Figure 5, described communication module includes:
RS485 interface 1031, for communicating with ground；
Underground communica tion interface 1032, for communicating with downhole drill instrument.
That is, in a particular embodiment, open communication function can be selected according to actual needs, the data of storage be sent in ground installation or downhole drill instrument.
Fig. 6 is the schematic diagram that black box independent utility is down-hole black box pipe nipple this utility model embodiment provided.It will be appreciated from fig. 6 that 1 is protective housing, 2 is power supply module, and 3 is sensor assembly, and 4 for measuring memory module, and 5 is 485 interfaces that communicate with ground installation, and 6 are and downhole drill instrument communication interface.This pipe nipple can directly be connected with other downhole tools, easy to use.
Fig. 7 is the schematic diagram that black box application is multiple black box independence pipe nipples this utility model embodiment provided, and 1,2,3 is the black box independence pipe nipple being connected use with drilling tool as shown in Figure 7.During drilling well, the data such as temperature, pressure, moment of torsion, vibration are measured and stored to the black box in each independent pipe nipple, by the echo of all node datas, analysis, can more comprehensively understand state and the drilling condition of downhole tool.This figure is only connection diagram, according to the actual requirements can in BHA optional position, one or more black box independence pipe nipple is installed.
Fig. 8 is the schematic diagram that the black box that this utility model embodiment provides is applied to helicoid hydraulic motor, and in Fig. 8,1 is the special helicoid hydraulic motor of application black box technology.By the frame for movement of conventional screw drilling tool is processed, load black box.Black box becomes a part for helicoid hydraulic motor, has the functions such as parameter acquisition, data storage, information communication.2 is black box power supply module, and 3 is black box sensor assembly, and 4 is that memory module measured by black box, and 5 communicate with ground installation 485 interfaces for black box.Software on ground takes out the state that can comprehensively grasp helicoid hydraulic motor after data are analyzed by 5.
Fig. 9 is the application schematic diagram that the black box that multiple this utility model embodiments provide is applied to downhole tool composition DHA, 1,2,3 special helicoid hydraulic motors respectively applying black box technology in Fig. 9, special with boring instrument, 3 kinds of different downhole tools of special drilling rod, during drilling well, each black box is measured, is stored the data such as temperature, pressure, moment of torsion, vibration, software, by the echo of data, analysis in all node black boxes, can more comprehensively grasp helicoid hydraulic motor, with boring instrument, the state of drilling rod and drilling condition.
It is a kind of black box that this utility model provides as mentioned above, which solve the acquisition problems of the downhole tool duty parameter especially important motivity such as moment of torsion, vibration parameter, the problem solving bulk information storage, it is able to record that, preserves downhole tool state and drilling condition partial data, infallible data support is provided for downhole tool state estimation, the working time of accurate recording downhole tool, it is favorably improved the service efficiency of downhole tool, saves drilling cost.
The structured flowchart of the system of a kind of based on black box downhole tool state that Figure 10 provides for this utility model embodiment and drilling condition monitoring, as shown in Figure 10, this system specifically includes monitoring device 200, downhole tool 300 and black box 100.
The structured flowchart of the embodiment one of monitoring device in the system of a kind of based on black box downhole tool state that Figure 11 provides for this utility model embodiment and drilling condition monitoring, as shown in Figure 11, in embodiment one, this monitoring device 200 includes:
Parameter information acquisition module 201, for obtaining the parameter information that black box sends in drilling process, described parameter information includes temperature, pressure, moment of torsion and vibration；
First Database module 202, for setting up parameter-temporal database according to described parameter information, drilling process will reproduce each parameter value with the time for sequence at state and the operating mode of downhole tool, set up the information raw data storehouse of the parameter-corresponding time relationship of drilling tool.
Well depth-time data acquisition module 203, for obtaining the well depth-time data of ground well logging；
Database module 204, for setting up parameter-well depth data base according to described parameter-temporal database and well depth-temporal database, the i.e. data of the well depth-corresponding time relationship of combined ground well logging, parameters depths is managed can be realized, form the data base of each parameter-well depth corresponding relation.
Monitoring modular 205, for according to described parameter-well depth database monitor downhole tool state and drilling condition.
In downhole tool state based on black box as above and drilling condition monitoring system, black box can carry out single-point according to practical situation or multiple spot is installed flexibly.Drilling process records downhole tool temperature, pressure, moment of torsion, vibration and other kinetic parameters.At the end of one time is bored, monitoring device reads data from black box, sets up drilling tool data base, can accurately grasp and monitor state and the drilling condition of drilling tool according to parameter-spirit data base.
The structured flowchart of the embodiment two of monitoring device in the system of a kind of based on black box downhole tool state that Figure 12 provides for this utility model embodiment and drilling condition monitoring, as shown in Figure 12, in embodiment two, this monitoring device also includes:
Display module 206, for according to described parameter-well depth data base, is shown described parameter information by list or curve form.
In embodiment two, for sequence, each parameter is shown by the form of form or curve with well depth or time, can intuitively represent the overall variation process of parameters in drilling process, it is achieved that parameter echo.In a particular embodiment, SQLServer database file is set up to black box data transfer requested and according to pound sign, time, node serial number by monitoring device USB or serial ports, convenient search, merging data, and can carry out to process with data such as the well depths of ground well logging, realize information fusion, according to time or well depth order, parameter is shown by list or curve form.
The structured flowchart of the embodiment three of monitoring device in the system of a kind of based on black box downhole tool state that Figure 13 provides for this utility model embodiment and drilling condition monitoring, as shown in Figure 13, in embodiment three, described monitoring device also includes:
Computation model acquisition module 207, for obtaining the computation model pre-build；
Type and position acquisition module 208, for obtaining the node location of downhole tool type and black box；
Computation model selects module 209, for selecting corresponding computation model according to described tool types and node location；
Time domain frequency domain parsing module 210, for carrying out the parsing of time domain and frequency domain according to described computation model to described parameter-temporal database；
Parameter threshold acquisition module 211, is used for obtaining parameter threshold set in advance；
Fault time section locating module 212, for the parameter-temporal database after resolving being carried out qualitative analysis, quantitative Analysis and feature extraction according to described parameter threshold, to position the time period that downhole tool occurs abnormal time period or drilling condition fault to occur.
Namely; in embodiment three; monitoring device pre-builds multiple computation model, according to the difference of node location residing for downhole tool type and black box, selects corresponding model algorithm to resolve data; the normality threshold of setup parameter; carry out feature extraction, complete time domain and spectrum analysis, use qualitative analysis and quantitative Analysis; obtain the time period that drilling tool working time, location exception or fault occur.
The structured flowchart of the embodiment four of monitoring device in the system of a kind of based on black box downhole tool state that Figure 14 provides for this utility model embodiment and drilling condition monitoring, as shown in Figure 14, in embodiment four, this monitoring device also includes:
Abnormal cause diagnostic module 213, for occurring abnormal time period diagnosis downhole tool that abnormal reason occurs according to described parameter-well depth data base and downhole tool；
Failure cause diagnostic module 214, the reason that the time period diagnosis drilling condition fault for occurring according to described parameter-well depth data base and drilling condition fault occurs.
Namely in embodiment four, in conjunction with practical operation logging, the reason that drilling well exception or downhole tool fault occur diagnoses.Node can be arbitrarily added to check parameter curve configuration and the numerical value variation tendency of multiple node under same interface.Preset multiple computation model; node location according to each black box; select corresponding model algorithm that data in data base are resolved; by the normality threshold of setup parameter; it is exactly found exception or the time period of fault generation; the data of combined ground operation note, determine the reason that exception or fault occur.
The structured flowchart of the embodiment five of monitoring device in the system of a kind of based on black box downhole tool state that Figure 15 provides for this utility model embodiment and drilling condition monitoring, as shown in Figure 15, in embodiment five, described monitoring device also includes:
Specifications parameter acquisition module 215, is used for obtaining downhole tool specifications parameter；
Assessment report output module 216, for described parameter-well depth data base being compareed described downhole tool specifications parameter, the state estimation report of output downhole tool.
Namely; when exception or failure condition occur; the data of black box storage are carried out time domain and the parsing of frequency domain, process; by qualitative analysis and feature extraction; quickly find the change in value of abnormal time of origin section relevant parameter; the artificial logging data of combined ground; more accurately drilling tool state can be estimated; judge the reason that problem occurs; tool state assessment report and drilling condition comprehensive assessment report under output well, instruct adjusting in time and the maintenance activity of downhole tool of informed drilling decisions.
Below in conjunction with specific embodiment, the technical solution of the utility model is discussed in detail.This utility model relates generally to a kind of black box, downhole tool state based on black box and drilling condition monitoring system; when particularly exception or failure condition occurring during oil/gas drilling; this utility model is used to resolve the parameters such as the temperature of black box collection storage, pressure, moment of torsion, vibration, it is achieved accurate measurements and the accurately assessment to drilling tool state and drilling condition.The development of downhole tool state based on black box and drilling condition monitoring method and exploitation have a following significance:
(1) acquisition problems of the downhole tool duty parameter especially important motivity such as moment of torsion, vibration parameter is solved；
(2) problem solving bulk information storage, it is possible to record, preserve downhole tool state and drilling condition partial data；
(3) provide infallible data support, the working time of accurate recording downhole tool for downhole tool state estimation, be favorably improved the service efficiency of downhole tool, save drilling cost；
(4) identifying and predict drilling well abnormality, for the adjustment of informed drilling decisions, drilling parameter, the optimization of BHA provide foundation, reach to reduce Drilling Troubles or accident, the purpose of raising drilling safety；
(5) be downhole tool state digitized follow the trail of, lay important foundation for the scientific maintenance of downhole tool and the foundation of administrative mechanism；
(6) design that optimizes for drilling tool provides important scene to apply data.
(7) substantially rely on the rule of lithology according to rock dominant frequency when broken, can help to identify formation lithology by the analysis to vibration parameters.
This utility model is by black box collection, storage parameters.Pull out of hole every time or utilize monitoring device storage parameter to be taken out according to demand and set up raw data base and show with form or curve.According to downhole tool type and black box present position, select corresponding model algorithm that data are resolved, the normality threshold of setup parameter, carry out feature extraction, complete time domain and spectrum analysis.Figure 16 is curve synoptic diagram in specific embodiment, and in figure, vertical coordinate is well depth, and abscissa is parameter value, it is achieved that the echo to parameter.Figure 17 is the Data Comparison figure after pressure initial data and Filtering Processing.As shown in Figure 17, after the process of algorithm, data and curves characteristic becomes apparent from, and is conducive to analysing in depth data.
In sum, a kind of based on black box the downhole tool state that the utility model proposes and the system of drilling condition monitoring, black box can carry out single-point according to practical situation or multiple spot is installed flexibly, drilling process is monitored and is recorded the parameter information including temperature, pressure, moment of torsion, vibration of downhole tool, at the end of drilling well, by reading parameter information from black box, set up data base, and then monitor state and the drilling condition of downhole tool.
Compared with existing downhole tool condition monitoring system and method, this utility model has the advantage that
(1) black box monitoring parameter is many, and monitoring range is comprehensive, not only includes temperature, pressure information, also includes the important kinetic parameter information such as vibration, moment of torsion, it is possible to provide sufficient data source for comprehensive analysis afterwards；
(2) data analysis software more conforms to field demand, can show with the various ways such as form or curve according to reality application selection algorithm, more intuitively, more accurate to drilling tool state and the diagnosis of drilling condition, assessment；
(3) black box application is convenient, applied widely, is desirably integrated in a certain downhole tool, it is also possible to separately as an instrument pipe nipple, on-demand single-point or multiple spot are installed in BHA.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, relevant hardware can be instructed by computer program to complete, described program can be stored in general computer read/write memory medium, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc..
Those skilled in the art are it will also be appreciated that the various functions that this utility model embodiment is listed are to realize depending on specifically applying the design requirement with whole system by hardware or software.Those skilled in the art can be for every kind of specific application, it is possible to use the function described in the realization of various methods, but this realization is understood not to the scope beyond the protection of this utility model embodiment.
Applying specific embodiment in this utility model to be set forth principle of the present utility model and embodiment, the explanation of above example is only intended to help to understand method of the present utility model and core concept thereof；Simultaneously for one of ordinary skill in the art, according to thought of the present utility model, the most all will change, in sum, this specification content should not be construed as restriction of the present utility model.
Claims (12)
1. a black box, is characterized in that, described black box includes memory module, sensor assembly and communication module,
Wherein, described sensor assembly, it is connected with described memory module, for acquisition parameter information, described parameter information includes temperature, pressure, moment of torsion and vibration；
Described memory module, is connected with described communication module, for being stored by described parameter information；
Described communication module, for sending described parameter information.
Black box the most according to claim 1, is characterized in that, described black box also includes:
Supply module, is connected with described memory module, sensor assembly and communication module respectively, for powering to described memory module, sensor assembly and communication module.
Black box the most according to claim 1 and 2, is characterized in that, described black box also includes protective housing, is provided with seal protecting device in described protective housing.
Black box the most according to claim 1, is characterized in that, described sensor assembly includes temperature sensor, pressure transducer, MEMS 3-axis acceleration sensor and foil gauge torque sensor.
Black box the most according to claim 1, is characterized in that, described communication module includes:
RS485 interface, for communicating with ground；
Underground communica tion interface, for communicating with downhole drill instrument.
Black box the most according to claim 1, is characterized in that, described black box is integrated in downhole drill instrument.
Black box the most according to claim 1, is characterized in that, described black box is installed on the arbitrary node of downhole drill instrument separately as an instrument pipe nipple, single-point or multiple spot.
8. a downhole tool state based on black box and the system of drilling condition monitoring, it is characterized in that, the system of described downhole tool state based on black box and drilling condition monitoring includes monitoring device, downhole tool and the black box as described in claim 1 to 7 any one
Wherein, described monitoring device specifically includes:
Parameter information acquisition module, for obtaining the parameter information that black box sends in drilling process, described parameter information includes temperature, pressure, moment of torsion and vibration；
First Database module, for setting up parameter-temporal database according to described parameter information；
Well depth-time data acquisition module, for obtaining the well depth-time data of ground well logging；
Database module, for setting up parameter-well depth data base according to described parameter-temporal database and well depth-temporal database；
Monitoring modular, for the state according to downhole tool described in described parameter-well depth database monitor and drilling condition.
Downhole tool state based on black box the most according to claim 8 and the system of drilling condition monitoring, is characterized in that, described monitoring device also includes:
Computation model acquisition module, for obtaining the computation model pre-build；
Type and position acquisition module, for obtaining the node location of downhole tool type and black box；
Computation model selects module, for selecting corresponding computation model according to described tool types and node location；
Time domain frequency domain parsing module, for carrying out the parsing of time domain and frequency domain according to described computation model to described parameter-temporal database；
Parameter threshold acquisition module, is used for obtaining parameter threshold set in advance；
Section locating module, was used for, according to described parameter threshold, the parameter-temporal database after resolving is carried out qualitative analysis, quantitative Analysis and feature extraction, to position the time period that downhole tool occurs abnormal time period or drilling condition fault to occur fault time.
Downhole tool state based on black box the most according to claim 9 and the system of drilling condition monitoring, is characterized in that, described monitoring device also includes:
, there is abnormal reason for occurring the abnormal time period to diagnose described downhole tool according to described parameter-well depth data base and downhole tool in abnormal cause diagnostic module；
Failure cause diagnostic module, the reason that the time period diagnosis drilling condition fault for occurring according to described parameter-well depth data base and drilling condition fault occurs.
11. downhole tool states based on black box according to claim 10 and the system of drilling condition monitoring, is characterized in that, described monitoring device also includes:
Specifications parameter acquisition module, is used for obtaining downhole tool specifications parameter；
Assessment report output module, for described parameter-well depth data base being compareed described downhole tool specifications parameter, the state estimation report of output downhole tool.
12. downhole tool states based on black box according to claim 11 and the system of drilling condition monitoring, is characterized in that, described monitoring device also includes:
Display module, for according to described parameter-well depth data base, is shown described parameter information by list or curve form.
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| CN201521071744.9U CN205445581U (en) | 2015-12-21 | 2015-12-21 | Monitoring system of black box , downhole tool state and well drilling operating mode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569633A (en) * | 2015-12-21 | 2016-05-11 | 中国石油天然气集团公司 | Black box as well as method and system for monitoring downhole tool state and drilling condition |
| CN107448187A (en) * | 2017-09-27 | 2017-12-08 | 中国石油大学(北京) | Underground survey device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569633A (en) * | 2015-12-21 | 2016-05-11 | 中国石油天然气集团公司 | Black box as well as method and system for monitoring downhole tool state and drilling condition |
| CN105569633B (en) * | 2015-12-21 | 2019-03-12 | 中国石油天然气集团公司 | The monitoring method and system of black box, downhole tool state and drilling condition |
| CN107448187A (en) * | 2017-09-27 | 2017-12-08 | 中国石油大学(北京) | Underground survey device |
| CN107448187B (en) * | 2017-09-27 | 2023-11-17 | 中国石油大学(北京) | Underground measuring device |
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