Wellbore quality automatic evaluation system and method based on real-time data and application
By developing an automatic evaluation system for wellbore quality, the problem of insufficient real-time performance of traditional evaluation methods is solved, real-time analysis and risk warning of wellbore quality are realized, the automated evaluation capabilities of wellbore quality are improved, and visual data support is provided.
Patent Information
- Application Number
- CN202410064294.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-16
- Publication Date
- 2025-07-18
AI Technical Summary
Traditional wellbore quality evaluation methods are insufficient in real time and are inefficient in efficiency, making it difficult to cope with the increasing number of drilling and report filling requirements, and risks cannot be discovered and diagnosed in a timely manner.
Develop an automatic wellbore quality evaluation system based on real-time data, including an automatic wellbore quality evaluation system and an automatic cement quality evaluation system. Through intelligent data processing and decision-making support, risk analysis and remote guidance are reduced.
Real-time management and control of wellbore quality is realized, real-time management and control of wellbore quality is improved, the trajectory of horizontal wells and directional wells is optimized, cementing quality is improved, and visual data analysis and remote technical support are provided, reducing the risk of wellbore quality exceeding standards.
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Figure CN120338565A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of informatization construction in the oil and gas industry, and particularly relates to an automatic evaluation system, method and application for wellbore quality based on real-time data. Background Art
[0002] In traditional wellbore quality evaluation, it is necessary to manually evaluate the wellbore quality and cementing quality: manually collect the designed trajectory, target point data and actual drilling trajectory data, input them into the trajectory design software for comparison of hitting the target, collect the measured well diameter data, and manually calculate the well diameter expansion rate to evaluate the wellbore quality; collect the cementing construction design, on-site construction data, cementing interpretation results, etc. to evaluate the cementing quality. The existing wellbore quality evaluation means can achieve wellbore quality evaluation, but the real-time performance is insufficient, the efficiency is low, it is difficult to cope with the increasing number of drilling wells, and when dealing with the increasing number of report filling, a large amount of energy is required for statistics.
[0003] The patent publication number is CN114645703A, and the name is a calculation system for simulating wellbore engineering construction. The calculation system includes a drilling basic data storage module for storing real-time drilling basic data; a wellbore cleaning analysis calculation module for calculating the wellbore cleanliness of well sections with different inclinations; an in-well string mechanical analysis calculation module for pipe string mechanical calculation; a wellbore trajectory target hitting calculation module for target hitting analysis calculation; a cementing construction calculation module for analyzing and calculating cementing parameters; a stuck pipe accident analysis calculation module for analyzing and calculating stuck pipe parameters; an overflow killing construction calculation module for analyzing and calculating killing construction parameters. Although this patent application can calculate the parameters related to drilling engineering, it cannot connect the wellbore evaluation systems and modules with each other, cannot detect and diagnose risks in time, and it is difficult to evaluate the risk of wellbore quality exceeding the standard in real time. Summary of the Invention
[0004] In order to overcome the problems existing in the above-mentioned prior art, the purpose of the present invention is to provide an automatic evaluation system, method and application for wellbore quality based on real-time data, which analyzes risks during actual drilling through intelligent data processing and decision support, remotely guides to reduce risks, automatically evaluates wellbore quality, and effectively reduces the risk of wellbore quality exceeding the standard.
[0005] To achieve the above purpose, the technical solution adopted by the present invention is:
[0006] An automatic evaluation system for wellbore quality based on real-time data, comprising:
[0007] An automatic wellbore quality evaluation system, the automatic wellbore quality evaluation system includes a wellbore trajectory tracking module, a target hitting analysis module, a full angle change rate analysis module and a wellbore expansion rate analysis module;
[0008] Cementing quality automatic evaluation system, the cementing quality automatic evaluation system includes: cement return height evaluation module, cement bond quality evaluation module, quality evaluation module for casing or cement or admixture used in cementing and casing pressure test evaluation module;
[0009] Wellbore quality automatic evaluation system, the wellbore quality automatic evaluation system can make a comprehensive evaluation result of the wellbore quality according to the evaluation results of the wellbore quality automatic evaluation system and the cementing quality automatic evaluation system;
[0010] Among them, the wellbore trajectory tracking module in the wellbore quality automatic evaluation system can track the real-time wellbore trajectory, the target hitting analysis module can obtain the data of the designed target point and the on-site adjusted target point and analyze the real-time target hitting situation, the full angle change rate analysis module can obtain the full angle change rate of the actual drilling trajectory and analyze the exceeding standard situation, the wellbore enlargement rate analysis module can obtain the data measured by the caliper and analyze the exceeding standard situation. If any module is judged as unqualified, the wellbore quality automatic evaluation system judges that the wellbore quality is unqualified; if any module in the cementing quality evaluation module, cement bond quality evaluation module, quality evaluation module for casing or cement or admixture used in cementing and casing pressure test evaluation module in the cementing quality automatic evaluation system is judged as unqualified, the cementing quality automatic evaluation system judges that the cementing quality is unqualified; in the judgment results of the wellbore quality automatic evaluation system and the judgment results of the cementing quality automatic evaluation system, when any module of any system is judged as unqualified, the wellbore quality automatic evaluation system judges as unqualified and counts the unqualified data.
[0011] Optionally, the wellbore trajectory tracking module can display the vertical profile of the designed trajectory and the actual trajectory, the horizontal projection of the actual trajectory, and the three-dimensional view of the actual trajectory.
[0012] Optionally, the full angle change rate analysis module can analyze the exceeding standard situation of the full angle change rate of the actual drilling trajectory under different wellbores and different inclinometer measurement methods. When the full angle change rate of three consecutive points of the wellbore trajectory is greater than the designed value or the proportion of the number of points exceeding the designed value in the total number of points of the whole well section is greater than 10%, it is judged as unqualified.
[0013] Optionally, the target hitting analysis module can analyze the target hitting situation of the directional well based on the actual drilling trajectory data. When the actual drilling trajectory of the directional well exceeds the target area, it is judged as unqualified.
[0014] Optionally, the wellbore enlargement rate analysis module can analyze whether the wellbore enlargement rate is qualified based on the measured well diameter data. When the average wellbore enlargement rate of the open hole section of the production casing is greater than 20% or the average wellbore enlargement rate of the target layer is greater than 15%, it is judged as unqualified.
[0015] Optionally, in the cement return height evaluation module, when the cement return height of the cementing does not reach the designed value and is less than the designed section length by more than 50m, it is judged as unqualified.
[0016] Optionally, in the cement bond quality evaluation module, when the cementing quality of the production casing fails to reach continuous bonding of medium or above at the oil-gas-water layer section, the overlap section of the liner, the upper casing shoe, the upper casing stage collar, and within the annulus range of 25 m above it, it is determined as unqualified; or when the length of the well section with medium or above cement bond quality of the primary and secondary interfaces of the cement sheath throughout the well is less than 70% of the length of the cemented section, it is determined as unqualified.
[0017] Optionally, in the casing, cement, or admixture quality and casing pressure test evaluation module for cementing, when the quality of the casing run into the well, the cement and admixtures for cementing is unqualified, or the pressure test of the casing string after cementing fails, it is determined as unqualified.
[0018] Optionally, it further includes a wellbore quality report automatic generation system, which can count the determination results of the wellbore quality automatic evaluation system for multiple time periods and generate a report.
[0019] The usage method of the described wellbore quality automatic evaluation system based on real-time data includes the following steps:
[0020] S1: Obtain the real-time tracked wellbore trajectory through the wellbore trajectory tracking module, analyze the target hitting situation through the target hitting analysis module, calculate the data with excessive full angle change rate through the full angle change rate analysis module, and calculate the situation of excessive wellbore enlargement rate through the wellbore enlargement rate analysis module;
[0021] S2: Determine the difference between the cement return height of the cementing and the design value through the cement return height evaluation module, calculate the cement bond quality of the primary and secondary interfaces of the production casing cement and the cement sheath of the whole well through the cement bond quality evaluation module, and count the qualified data of the cementing casing, cement and admixtures, and the pressure test of the casing string after cementing through the casing, cement, or admixture quality and casing pressure test evaluation module for cementing;
[0022] S3: Obtain the comprehensive evaluation result of the wellbore quality according to the judgment results of steps S1 and S2.
[0023] Optionally, before step S1, count the design data of each well and the real-time drilling data of each well.
[0024] An electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, it implements the steps of the usage method of the described wellbore quality automatic evaluation system based on real-time data.
[0025] A computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the usage method of the automatic wellbore quality evaluation system based on real-time data are implemented.
[0026] Compared with the prior art, the present invention has the following beneficial effects:
[0027] Through the development of the automatic wellbore quality evaluation system, the present invention can achieve rapid discovery of engineering abnormal problems through real-time tracking and analysis while drilling, improve the real-time control ability of wellbore quality, ensure the optimization of the trajectories of horizontal wells and directional wells, and improve the cementing quality; provide visual displays of wellbore and data analysis for business management and decision support, and improve the scientificity and timeliness of remote technical support for auxiliary decision-making. The present invention realizes real-time reading and monitoring of various data through the wellbore quality automatic evaluation system and the cementing quality automatic evaluation system, can analyze risks during actual drilling, remotely guide risk reduction, automatically evaluate wellbore quality, and effectively reduce the risk of wellbore quality exceeding the standard. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] The drawings described herein are for illustrative purposes only and are not intended to limit the scope of the disclosure of the present invention in any way.
[0029] In the drawings:
[0030] Figure 1 is the design concept of the wellbore quality of the present invention;
[0031] Figure 2 is the functional architecture diagram of the wellbore quality analysis of the present invention;
[0032] Figure 3 is the wellbore quality statistics and early warning of the present invention;
[0033] Figure 4 is the wellbore trajectory tracking result diagram of the present invention;
[0034] Figure 5 is the target hitting analysis result diagram of the present invention;
[0035] Figure 6 is the full angle change rate analysis result diagram of the present invention;
[0036] Figure 7 is the real-time tracking result diagram of the cementing construction quality of the present invention;
[0037] Figure 8 is the cementing construction quality evaluation result diagram of the present invention;
[0038] Figure 9 is the wellbore quality evaluation details diagram of the present invention;
[0039] Figure 10This is the wellbore quality report diagram of the present invention. Detailed implementation manners
[0040] In order to enable those skilled in the art of this technical field to better understand the technical solutions in the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only the embodiments in one system of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The terms and / or used herein include any and all combinations of one or more of the related listed items.
[0042] It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word comprising does not exclude the presence of elements or steps not listed in the claim. The word a or an preceding an element does not exclude the presence of a plurality of such elements. The present application can be implemented by means of hardware including several different elements and by means of a suitably programmed computer. In the unit claims listing several means, several of these means can be embodied by the same item of hardware. The use of the words first, second, and third, etc. does not denote any order. These words can be interpreted as names.
[0043] In addition, the terms first and second are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with first and second can explicitly or implicitly include one or more of such features. In the description of the present application, the meaning of plural is two or more unless otherwise specifically defined.
[0044] The following will describe the present invention in detail with reference to the accompanying drawings.
[0045] As Figure 1 shown, an automatic wellbore quality evaluation system based on real-time data of the present invention includes:
[0046] An automatic wellbore quality evaluation system, the automatic wellbore quality evaluation system includes a wellbore trajectory tracking module, a target hitting analysis module, a full angle change rate analysis module, and a wellbore enlargement rate analysis module;
[0047] Cementing quality automatic evaluation system, the cementing quality automatic evaluation system includes: cement return height evaluation module, cement bond quality evaluation module, and quality evaluation module for casing or cement or admixture used in cementing and casing pressure test;
[0048] Wellbore quality automatic evaluation system, the wellbore quality automatic evaluation system can make a comprehensive evaluation result of wellbore quality according to the evaluation results of the wellbore quality automatic evaluation system and the cementing quality automatic evaluation system;
[0049] Among them, the wellbore trajectory tracking module in the wellbore quality automatic evaluation system can track the real-time wellbore trajectory, the target hitting analysis module can obtain the data of the designed target and the on-site adjusted target and analyze the real-time target hitting situation, the full angle change rate analysis module can obtain the full angle change rate of the actual drilling trajectory and analyze the exceeding standard situation, and the wellbore enlargement rate analysis module can obtain the measurement data of the caliper and analyze the exceeding standard situation; if any module in the cement return height evaluation module, cement bond quality evaluation module, quality evaluation module for casing or cement or admixture used in cementing and casing pressure test in the cementing quality automatic evaluation system is judged as unqualified, the cementing quality automatic evaluation system judges that the cementing quality is unqualified; when any module of any system in the judgment result of the wellbore quality automatic evaluation system and the judgment result of the cementing quality automatic evaluation system is judged as unqualified, the wellbore quality automatic evaluation system judges as unqualified and counts the unqualified data.
[0050] As Figures 1 to 3 shown, in the wellbore quality automatic evaluation system, a wellbore trajectory tracking module, a target hitting analysis module, a full angle change rate analysis module, and a wellbore enlargement rate analysis module are developed, which can track the actual drilling trajectory, compare it with the designed trajectory and the wellbore quality unqualified judgment requirements, carry out wellbore quality analysis in real time, and give an early warning of the possible risks of wellbore quality.
[0051] As Figure 4 shown, the wellbore trajectory tracking module is used to track the real-time wellbore trajectory and can switch the displayed wellbore and inclination measurement methods. The software can give a vertical profile diagram of the comparison between the designed trajectory and the actual trajectory, a horizontal projection diagram of the actual trajectory, and a three-dimensional view of the actual trajectory on the right side.
[0052] As Figure 5 shown, in the target hitting analysis module, the system can display the data of the designed target and the entry target, and compare the real-time position relationship between the actual trajectory and the target through a table, and display the position relationship between the designed trajectory, the actual trajectory and the target in the vertical profile diagram and horizontal projection diagram on the right side.
[0053] As Figure 6As shown, in the full angle change rate analysis module, it can display the over-standard situation of the full angle change rate of the actual drilling trajectory under different wellbores and inclinometer measurement methods. In the design, there are requirements for the full angle change rate at different positions. Through real-time comparison, it can reflect the real-time over-standard situation of the full angle change rate and take corresponding adjustment measures.
[0054] In the cementing quality automatic evaluation system, by accessing the real-time data of the cementing tri-parameter instrument, it can simulate the cementing displacement animation, calculate the real-time return height of the cementing cement, display the real-time curves of displacement, pump pressure, and fluid density, and track the cementing construction process.
[0055] After the cementing construction operation, it shows the results of casing and cement quality analysis and casing string pressure test analysis, and conducts annulus cement return height analysis and cement bond quality analysis based on the logging interpretation results.
[0056] The cementing quality automatic evaluation system includes a real-time tracking module for cementing construction quality. In the real-time tracking module for cementing construction quality, the system draws the animation of the cementing displacement process according to the real-time construction data of the cementing tri-parameter instrument, combined with the wellbore trajectory and wellbore structure, and displays the construction parameters such as pump pressure and displacement during the cementing construction process. In the real-time tracking module for cementing construction quality, the animation can be drawn, including: drawing the wellbore structure diagram according to the wellbore trajectory and wellbore structure data; calculating the return depth of each fluid in real time according to the fluid volume returned by the cementing tri-parameter instrument, combined with the inner diameter, outer diameter of the casing, and open hole size; drawing the fluid displacement animation in the wellbore structure diagram according to the cementing path.
[0057] As Figure 7 and Figure 6 shown, in the evaluation of cementing construction quality, it displays and evaluates the data such as the cement bond quality, the quality of the casing and centralizer run into the well, the quality of the cement and additives used for cementing, the cement return height, and the casing pressure test for each cementing run, and simultaneously evaluates the cementing quality of this cementing run.
[0058] As Figure 9 shown, the wellbore quality automatic evaluation system includes a wellbore quality evaluation module, a wellbore quality problem feedback module, and a wellbore quality problem modification module in the wellbore quality analysis. During the drilling process, through the wellbore quality problem feedback module and the wellbore quality problem modification module in the wellbore quality analysis, the wellbore quality problems are feedback, and the responsible person is designated for rectification to achieve wellbore quality analysis, historical process traceability, and hidden danger investigation. After completion, the wellbore quality evaluation module can analyze the wellbore quality, cementing quality, and wellbore quality of this well, display the detailed data of the wellbore trajectory, wellbore enlargement rate, and cementing quality, and realize the functions of comprehensive evaluation of wellbore quality and display of comprehensive evaluation results of wellbore quality.
[0059] The wellbore quality automatic evaluation system can evaluate the wellbore quality and cementing quality of each completed well, and the details of the wellbore quality and cementing quality evaluation can be viewed by clicking.
[0060] Such as Figure 10 shown, according to the wellbore quality related reports provided by the oilfield, functions such as online query and one-key download of wellbore quality reports can be realized. According to the relevant requirements of the oilfield wellbore quality, viewing, statistics and generation of 8 different types of wellbore quality reports can be supported.
[0061] Embodiment
[0062] A wellbore quality automatic evaluation system based on real-time data of the present invention, when in use, includes the following steps:
[0063] The first step: Obtain the well list
[0064] The wellbore quality automatic evaluation system obtains data such as well names, well IDs, wellbore names, and wellbore IDs of all drilling and completed wells from the data bank, and forms a well list in the system.
[0065] The second step: Obtain the design data
[0066] The wellbore quality automatic evaluation system obtains the design data of each well, including: wellhead coordinates, target coordinates, target type, target radius, design trajectory, design trajectory control points, design trajectory adjustment data, design wellbore structure, design wellbore structure adjustment data, and design cement return depth.
[0067] The third step: Obtain the real-time drilling data
[0068] According to the drilling status of each well, the automatically collected data and manually filled data of each well are obtained, including: actual wellhead coordinates, real-time target adjustment data, actual drilling inclination data, inclination measurement method, real-time data of the cementing construction three-parameter instrument, casing and centralizer data, cement and additive data for cementing, casing pressure test data, hole enlargement rate data, etc.
[0069] The fourth step: Wellbore quality evaluation
[0070] For the drilling well, based on the wellbore trajectory tracking module to track the wellbore trajectory, design target position, adjusted target position, design trajectory and adjusted trajectory in real time, calculate the over-standard situation of the full angle change rate and the target hitting situation, calculate the over-standard situation of the hole enlargement rate based on the measured hole diameter, evaluate the actual wellbore quality in real time, and conduct early warning and alarm for the over-standard wellbore quality.
[0071] For the completed well, according to the data statistically collected in real time during the drilling process, the wellbore quality of this well is evaluated after completion. Those that meet the following indicators are judged as unqualified:
[0072] The full angle change rate of three consecutive points on the wellbore trajectory is greater than the designed value, or the proportion of the number of points exceeding the designed value in the total number of points in the entire well section is greater than 10%; the actual wellbore trajectory of the directional well exits the target area; the average hole diameter enlargement rate of the open hole section of the production casing is greater than 20% or the average hole diameter enlargement rate of the target layer is greater than 15%.
[0073] Step 5: Cementing quality evaluation
[0074] Based on the real-time data obtained from the cementing construction three-parameter instrument, carry out the animation simulation of the cementing construction.
[0075] After the completion of the cementing construction for each drilling interval, obtain the cementing interpretation data and conduct a comprehensive evaluation of the cementing quality.
[0076] After the completion of each well, conduct a comprehensive evaluation of the cementing quality of the well. Wells that meet the following indicators are judged as unqualified:
[0077] The cement return height of the cementing does not reach the designed value and is less than the designed section length by more than 50m;
[0078] In the oil and gas water layer section, the tail pipe overlap section, the upper casing shoe, the upper casing stage collar and the annulus within 25m above it of the production casing cementing quality, the bonding quality of the first and second interfaces of the cementing cement does not reach continuous bonding medium or above;
[0079] The length of the well section where the bonding quality of the first and second interfaces of the cementing cement ring in the whole well is medium or above is less than 70% of the length of the cemented well section;
[0080] The quality of the casing put into the well, the quality of the cement and additives used for cementing is unqualified, or the pressure test of the casing string after cementing is unqualified.
[0081] Step 6: Comprehensive evaluation of wellbore quality
[0082] After the completion of the well, conduct a comprehensive evaluation of the wellbore quality. The wellbore quality is only qualified when both the wellbore quality and the cementing quality are qualified. If one is unqualified, the wellbore quality is unqualified. For wells with an unqualified wellbore quality evaluation, give the reasons for unqualified.
[0083] Step 7: Generation of wellbore quality report
[0084] After the completion of the wellbore quality evaluation of each well, it is possible to statistically analyze the wellbore quality conditions in different years and months according to the query conditions and generate a wellbore quality report.
[0085] Those skilled in the art within the technical field should understand that the embodiments of the present application can be provided as methods, systems, or computer program products. Therefore, the present application can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that contain computer-usable program code.
[0086] The present application is described with reference to the flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each flow and / or block in the flowchart and / or block diagram, as well as the combination of flows and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing devices to generate a machine, such that the instructions executed by the processor of the computer or other programmable data processing devices generate means for implementing the functions specified in Figure 1 one flow or multiple flows and / or blocks Figure 1 one block or multiple blocks.
[0087] These computer program instructions can also be stored in a computer-readable memory that can direct a computer or other programmable data processing device to work in a specific manner, such that the instructions stored in the computer-readable memory generate a manufactured article including instruction means that implement the functions specified in Figure 1 one flow or multiple flows and / or blocks Figure 1 one block or multiple blocks.
[0088] These computer program instructions can also be loaded onto a computer or other programmable data processing device, such that a series of operation steps are executed on the computer or other programmable device to generate a computer-implemented process, so that the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in Figure 1 one flow or multiple flows and / or blocks Figure 1 one block or multiple blocks.
[0089] In the above embodiments, the working modes or control modes involved, unless otherwise specified, are all conventional working modes or control modes in this field.
[0090] Although the preferred embodiments of the present application have been described, those skilled in the art can make additional changes and modifications to these embodiments once they know the basic creative concepts. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.
[0091] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Any other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims
1. An automatic wellbore quality evaluation system based on real-time data, characterized in that, Including: An automatic wellbore quality evaluation system, which includes a wellbore trajectory tracking module, a target hitting analysis module, a full angle change rate analysis module, and a wellbore enlargement rate analysis module; An automatic cementing quality evaluation system, which includes a cement return height evaluation module, a cement bond quality evaluation module, a quality evaluation module for the casing or cement or additives used in cementing, and a casing pressure test evaluation module; A wellbore quality automatic evaluation system, which can make a comprehensive evaluation result of the wellbore quality based on the evaluation results of the wellbore quality automatic evaluation system and the cementing quality automatic evaluation system; Among them, the wellbore trajectory tracking module in the wellbore quality automatic evaluation system can track the real-time wellbore trajectory, the target hitting analysis module can obtain the data of the designed target and the on-site adjusted target and analyze the real-time target hitting situation, the full angle change rate analysis module can obtain the full angle change rate of the actual drilling trajectory and analyze the exceeding standard situation, and the wellbore enlargement rate analysis module can obtain the data measured by the caliper and analyze the exceeding standard situation. If any module is judged as unqualified, the wellbore quality automatic evaluation system judges that the wellbore quality is unqualified; if any module in the cementing quality automatic evaluation system, such as the cement return height evaluation module, the cement bond quality evaluation module, the quality evaluation module for the casing or cement or additives used in cementing, and the casing pressure test evaluation module, is judged as unqualified, the cementing quality automatic evaluation system judges that the cementing quality is unqualified; when any module of any system among the judgment results of the wellbore quality automatic evaluation system and the judgment results of the cementing quality automatic evaluation system is judged as unqualified, the wellbore quality automatic evaluation system judges as unqualified and counts the unqualified data.
2. The automatic wellbore quality evaluation system based on real-time data according to claim 1, wherein The wellbore trajectory tracking module can display the vertical profile of the designed trajectory and the actual trajectory, the horizontal projection of the actual trajectory, and the 3D view of the actual trajectory.
3. The automatic wellbore quality evaluation system based on real-time data according to claim 1, characterized in that The full angle change rate analysis module can analyze the exceeding standard situation of the full angle change rate of the actual drilling trajectory under different wellbores and different inclinometer measurement methods. When the full angle change rate of three consecutive points of the wellbore trajectory is greater than the designed value or the proportion of the number of points exceeding the designed value in the total number of points of the whole well section is greater than 10%, it is judged as unqualified.
4. An automatic evaluation system for wellbore quality based on real-time data according to claim 1, characterized in that, The target hitting analysis module can analyze the target hitting situation of the directional well based on the actual drilling trajectory data. When the actual drilling trajectory of the directional well exceeds the target area, it is judged as unqualified.
5. The automatic wellbore quality evaluation system based on real-time data according to claim 1, characterized in that, The wellbore enlargement rate analysis module can analyze whether the wellbore enlargement rate is qualified based on the measured well diameter data. When the average wellbore enlargement rate of the open hole section of the production casing is greater than 20% or the average wellbore enlargement rate of the target layer is greater than 15%, it is judged as unqualified.
6. The automatic evaluation system for wellbore quality based on real-time data according to claim 1, wherein, In the cement return height evaluation module, when the cement return height of the cementing does not reach the designed value and is lower than the designed section length by more than 50m, it is judged as unqualified.
7. The automatic wellbore quality evaluation system based on real-time data according to claim 1, characterized in that In the cement bond quality evaluation module, when the cementing quality of the production casing in the oil and gas water layer section, the tail pipe overlapping section, the upper casing shoe, the upper casing stage collar and the annulus within 25m above it does not reach continuous bonding at medium level or above, it is judged as unqualified; or when the well section length of the cement ring at the first and second interfaces of the whole well with medium or above bonding quality is less than 70% of the cemented well section length, it is judged as unqualified.
8. The automatic wellbore quality evaluation system based on real-time data according to claim 1, characterized in that, In the module for evaluating the quality of the casing, cement or additives used for cementing and the casing pressure test, if the quality of the casing put into the well, the cement and additives used for cementing is unqualified, or the casing string pressure test after cementing is unqualified, it is judged as unqualified.
9. The automatic wellbore quality evaluation system based on real-time data according to claim 1, wherein It also includes an automatic wellbore quality report generation system, which can count the judgment results of the wellbore quality automatic evaluation system for multiple time periods and generate a report.
10. A method for using an automatic wellbore quality evaluation system based on real-time data according to any one of claims 1 to 9, characterized in that, It includes the following steps: S1: Obtain the real-time tracked wellbore trajectory through the wellbore trajectory tracking module, analyze the target hitting situation through the target hitting analysis module, calculate the data with excessive full angle change rate through the full angle change rate analysis module, and calculate the situation of excessive wellbore enlargement rate through the wellbore enlargement rate analysis module; S2: Determine the difference between the cement return height after cementing and the designed value through the cement return height evaluation module, calculate the cement bond quality at the first and second interfaces of the production casing cement and the cement sheath at the first and second interfaces of the whole well through the cement bond quality evaluation module, and count the qualified data of the casing, cement and additives used for cementing and the casing string pressure test after cementing through the module for evaluating the quality of the casing, cement or additives used for cementing and the casing pressure test; S3: Obtain the comprehensive wellbore quality evaluation result according to the judgment results of step S1 and step S2.
11. The usage method of an automatic evaluation system for wellbore quality based on real-time data according to claim 10, characterized in that, Before step S1, count the design data of each well and the real-time drilling data of each well.
12. An electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, it implements the steps of the method for using an automatic wellbore quality evaluation system based on real-time data according to any one of claims 10-11.
13. A computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, it implements the steps of the method for using an automatic wellbore quality evaluation system based on real-time data according to any one of claims 10-11.
Citation Information
Patent Citations
Computing system for simulating shaft engineering construction
CN114645703A