Biocide Controller with Microorganism Sensor
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Solution Overview
Problem
Existing methods for controlling biocide application in the oil and gas industry are inefficient due to infrequent measurement of bacteria concentrations, leading to over or under application of biocides, which increases costs and operational inefficiencies.
Innovation Solution
An automatic biocide treatment system that includes a microorganism sensor to measure bacteria populations in real-time, a biocide controller to determine the correct biocide dosage based on the measured concentrations, and an injection pump to apply the biocide automatically.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If biocide application is controlled based on infrequent bacteria concentration measurements, then operational simplicity is maintained, but biocide overuse or underuse occurs leading to increased costs and reduced effectiveness
Solution Approach 1:
The system implements continuous feedback by measuring bacteria concentration in real-time and automatically adjusting biocide dosage based on the measured values. The controller receives continuous input from the microorganism sensor and dynamically controls the biocide injection pump to maintain optimal bacteria levels, eliminating both overuse and underuse of biocide while improving operational efficiency through automation.
Solution Approach 2:
The system enables self-service operation where the automatic control system independently monitors bacteria concentration and adjusts biocide application without human intervention. The controller automatically calculates the required biocide dosage based on sensor readings and controls the injection pump, allowing the system to service itself and eliminate the need for manual monitoring and adjustment.
2Measurement precision
If continuous real-time measurement of bacteria concentration is implemented, then measurement precision and control accuracy are improved, but device complexity increases
Solution Approach 1:
The system replaces manual mechanical sampling and laboratory analysis with an automated electronic measurement system. The microorganism sensor continuously measures bacteria concentration in real-time, and the electronic controller automatically processes the data and controls biocide injection, substituting complex manual procedures with integrated electronic sensors and control systems that simplify overall operation despite increased measurement capability.
3Manufacturing precision
If automatic biocide injection is implemented based on real-time measurements, then biocide application precision is improved, but loss of substance increases due to system requirements
Solution Approach 1:
The system applies biocide in precise partial doses based on actual measured bacteria concentrations rather than continuous full-dose application. The controller adjusts the injection pump to deliver only the necessary amount of biocide to maintain optimal bacteria levels, avoiding excessive application and reducing biocide loss while maintaining high precision in where and when biocide is applied.
Data Source
AI summary
A system for measuring a microorganism concentration and applying a biocide includes an injection pump in fluid communication with at least one biocide tank and a fluid conduit in fluid communication with a wellbore, microorganism sensor in fluid communication with the fluid conduit and configured to determine a microorganism concentration of fluid in the fluid conduit, and a biocide controller in operable communication with the injection pump and the microorganism sensor. The biocide controller is configured to determine a biocide dosage to apply to the fluid based on the microorganism concentration, and control an operation of the injection pump to apply the biocide dosage to the fluid. Related methods and biocide application systems are also disclosed.