Gas Handler Discharge Pressure Measurement via Intermediary Sensor
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Solution Overview
Problem
There is a need for a system to determine the discharge pressure of a gas handler in a well, particularly in high gas volume wells, to optimize the performance and extend the runlife of electrical submersible pump systems (ESPs).
Innovation Solution
A system comprising an electrical submersible pump connected to a discharge head, a gas handler discharge line connecting the discharge head to a sensor, and a processor to determine the discharge pressure of the gas handler based on data received from the sensor, with a display to show the discharge pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If discharge pressure of gas handler is not measured, then system complexity is reduced, but ESP performance optimization and runlife improvement cannot be achieved
Solution Approach 1:
A discharge head is introduced as an intermediary component between the gas handler and the ESP pump. This discharge head includes a pressure tap that connects to a sensor via a discharge line, enabling pressure measurement without directly modifying the gas handler or pump structure. The intermediary discharge head facilitates the measurement function while maintaining system integrity.
Solution Approach 2:
The patent replaces complex mechanical pressure measurement systems with an electronic sensor-based measurement system. Instead of using mechanical gauges or complex transducers, a simple pressure sensor electronically measures the discharge pressure and transmits the data to a processor, simplifying the overall system while improving measurement accuracy and reliability.
2Productivity
If discharge pressure measurement system is added, then ESP performance can be optimized, but system complexity increases
Solution Approach 1:
The discharge head serves multiple functions: it acts as a connection component between the gas handler and ESP, provides a pressure tap for measurement, and interfaces with the discharge line. This multi-functionality reduces the need for separate components, thereby limiting the increase in system complexity while achieving the measurement objective.
Solution Approach 2:
The system uses the existing discharge flow and pressure differential to automatically activate the measurement process. The pressure sensor passively measures the discharge pressure without requiring additional active components or complex control mechanisms, allowing the system to self-monitor using its inherent operational parameters.
3Measurement precision
If pressure sensor and discharge line are installed, then discharge pressure can be measured, but device complexity increases
Solution Approach 1:
The measurement system is segmented into distinct, modular components: a discharge head with integrated pressure tap, a separate discharge line, and an independent sensor. This segmentation allows each component to be optimized independently and simplifies installation and maintenance, reducing overall system complexity while maintaining measurement precision.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively measures and monitors the discharge pressure of the gas handler, enabling optimization of ESP performance and extending its runlife by ensuring accurate pressure transfer and fluid handling in high gas volume wells.
Implementation Method 1
the sensor is configured to measure a pressure transferred from the gas handler into the electrical submersible pump
Data Source
AI summary
A system and method for determining the discharge pressure of a gas handler in a well. The system includes an electrical submersible pump connected to a discharge head disposed in the well, a gas handler discharge line configured to connect the discharge head to a sensor, a processor configured to receive data from the sensor and determine the discharge pressure of the gas handler based on the received data, and a display configured to display the discharge pressure of the gas handler. The method includes attaching a discharge head to the gas handler, attaching a gas handler discharge line from the discharge head to a sensor, measuring pressure transferred from the gas handler into the electrical submersible pump, receiving the measurement of the pressure transferred, determining the discharge pressure of the gas handler based on the measurement of the pressure transferred, and displaying the discharge pressure of the gas handler.