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0047. Automated calculation of reliability indicators for designing a sucker rod string of a downhole pump
Calculation module for determining reliability indicators and operational parameters of the sucker rod string of a rod pumping unit in accordance with the empirical formulas of A. S. Virnovsky. Automated engineering calculation in the TechEditor environment.
Digital report with automated engineering calculations, developed for oil & gas / petroleum engineers, industrial engineers, and engineering students working in the field of rod pumping systems and reliability assessment of sucker rod strings.
The solution is based on the empirical formulas of A. S. Virnovsky, widely used in engineering practice for analyzing failures and operational performance of sucker rod columns.
How does it work and what problem does it solve?
The document enables reliability assessment of sucker rod strings, including evaluation of rod breakage probability, repair frequency, and operational downtime. It can be used for well performance analysis, comparison of normal and complicated operating conditions, as well as for educational, analytical, and techno-economic studies.
Automated Checks & Analysis
The product automates routine engineering calculations and checks, including:
- Rod failure frequency assessment — determination of the probable annual number of sucker rod breakages under normal and complicated operating conditions.
- Workover analysis — calculation of the total number of well workovers and associated downtime.
- Operational efficiency evaluation — calculation of the mean time between repairs (MTBR) and the well operating factor.
- Production assessment — determination of actual annual oil production considering downtime and water cut.
Features & Document Logic
The document is designed as a sequential engineering workflow.
Input data
The user enters key installation and operating parameters, including:
- geometric parameters of the pump and sucker rods;
- pump setting depth;
- equivalent and allowable stresses;
- repair and downtime time parameters;
- planned production rate and fluid properties.
Algorithm
Based on the input data, the document automatically performs reliability calculations using the Virnovsky formulas, followed by determination of operational and production indicators.
Visualization
The user sees key numerical indicators (failure frequency, mean time between repairs, operating factor, annual oil production) updated in real time as input data are modified.
Technical Specifications and Standards
- Methodology and standards: empirical formulas of A. S. Virnovsky for reliability evaluation of sucker rod strings.
- File Format: .tec (TechEditor Project).
- Document Language: English (Technical).
- Output: On-screen review, report printing, export to PDF, RTF, DOCX, or image.
How to Use This Solution
- Download and install TechEditor on your computer (you must be registered in the Dystlab Store).
- Download this digital solution (.tec file).
- Open the file on your computer.
- Modify the input data. Ensure all calculations in the document update automatically (if auto-calculation is off, press F5 for a manual recalculation).
Download
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03.02.2026 ver. 1
- first release;
- tested in TechEditor 5.6.1;
System requirements for TechEditor environment
Operating system:
- Windows (recommended 11 or higher);
- macOS (12.0 or higher) — through the Parallels Desktop emulator;
Monitor, memory, processor:
- screen resolution: recommended 1920x1080 pixels and higher; minimum 1366x768 pixels;
- RAM: 8 GB and above is recommended; minimum 1 GB;
- Hard drive (HDD/SSD): 500 MB and above recommended; minimum 100 MB;
- processor frequency (CPU): 3.0 GHz and higher is recommended; minimum 1.0 GHz.
Browser and Internet access:
Internet access is required and is used for user web authorization, web content downloads, communication with LLM, and other functions.
Dystlab Open Collaborative License
These digital solutions are provided “as is”, without any warranties of any kind, express or implied, including but not limited to warranties of accuracy, completeness, fitness for a particular purpose, or compliance with any standards or regulations. The developers, authors, and participating organizations shall not be liable for any direct, indirect, incidental, consequential, or other damages arising from the use or inability to use these solutions.
Permission is hereby granted to use, copy, reproduce, distribute, modify, adapt, and create derivative works of these digital solutions without restriction.
It is prohibited to sell, license, rent, lease, or otherwise commercially distribute these digital solutions as a standalone product, whether in their original or modified form, in exchange for monetary compensation.
At the same time, the use of these solutions as part of commercial projects, engineering works, research activities, or services is expressly permitted, provided that the solutions themselves are not the primary object of sale, licensing, or rental.
This license is intended to support open science, engineering practice, and the free exchange of knowledge, while preventing unauthorized commercial exploitation of the digital solutions as independent products.
[en] Please share your impressions of this product. If you have any questions, join our Discord server or send us an email.
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[ua] Будь ласка, поділіться своїми враженнями про цей продукт. Якщо маєте питання, долучіться до нашого Discord-серверу або напишіть нам email.
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[ua] Будь ласка, поділіться своїми враженнями про цей продукт. Якщо маєте питання, долучіться до нашого Discord-серверу або напишіть нам email.
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[en] Please share your impressions of this product. If you have any questions, join our Discord server or send us an email.
---
[ua] Будь ласка, поділіться своїми враженнями про цей продукт. Якщо маєте питання, долучіться до нашого Discord-серверу або напишіть нам email.
---
[ua] Будь ласка, поділіться своїми враженнями про цей продукт. Якщо маєте питання, долучіться до нашого Discord-серверу або напишіть нам email.
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We develop digital solutions for engineering companies and design businesses. We advise, research, and help with the automation of calculations, design, and systematization of technical documentation.
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