Vortex Gas Extractor for Mud Logging Contamination Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing gas extraction technologies in mud logging are plagued by inconsistent fluid levels, contamination from atmospheric gases, and limited liberation surface area, leading to unreliable and unquantifiable gas data, especially in remote logging operations.
Innovation Solution
A gas extractor apparatus with a separations chamber and a head space chamber, featuring a set of apertures and an agitator that generates a vortex to separate and expel liquid and solid fractions while conveying gaseous fractions into a head space chamber for extraction, reducing contamination and maintaining consistent fluid volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional gas extraction technology is used in mud logging, then gas extraction can be performed, but the fluid levels are inconsistent and contamination from atmospheric gases occurs leading to unreliable data
Solution Approach 1:
The extraction chamber is divided into two distinct segments: a submersible extraction chamber for gas liberation and a separate head space chamber for gas collection. This segmentation prevents atmospheric gas contamination by isolating the gas extraction process from the atmosphere, while the liquid level in the extraction chamber can be independently controlled to maintain consistency.
Solution Approach 2:
A flow diverter is introduced as an intermediary component between the extraction chamber and head space chamber. This flow diverter selectively directs gas flow from the extraction chamber to the head space chamber while preventing liquid and solids from passing through, thereby eliminating contamination pathways while maintaining efficient gas transfer.
2Productivity
If conventional gas extraction technology is used, then gas extraction can occur, but the liberation surface area is limited reducing extraction efficiency
Solution Approach 1:
The agitator is designed with multiple agitation elements arranged vertically and radially, creating a three-dimensional vortex pattern throughout the extraction chamber. This transforms the traditional two-dimensional surface agitation into a volumetric process, dramatically increasing the effective liberation surface area by utilizing the vertical dimension of the chamber.
Solution Approach 2:
The system uses hydraulic agitation through the vortex-generating agitator to create intense fluid motion and turbulence. This hydraulic action breaks up gas pockets and increases the gas-liquid interfacial area, enhancing mass transfer and liberation surface area without requiring additional mechanical extraction surfaces.
3Measurement precision
If manual or passive gas extraction methods are used, then simple operation is maintained, but exposure times are inconsistent making data unquantifiable
Solution Approach 1:
The motorized agitator operates continuously at a controlled rate throughout the gas extraction process, maintaining constant fluid motion and gas-liquid contact. This continuous agitation ensures consistent exposure time for gas liberation, while the controlled motor speed provides repeatability and quantifiability to the extraction process.
Solution Approach 2:
The system incorporates sensors and control mechanisms that monitor the extraction process parameters including agitation speed, gas flow rate, and liquid level. This feedback enables automatic adjustment to maintain consistent exposure times and provides quantifiable data for process optimization and reproduction.
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 solution enhances data fidelity by reducing contamination, increasing the liberation surface area, and ensuring consistent exposure times, resulting in more reliable and quantifiable gas extraction even in varying fluid levels, suitable for high-fidelity remote logging operations.
Implementation Method 1
The agitator is configured to generate a vortex that conveys the composite fluid through the flow path
Implementation Method 2
The vortex expels a liquid fraction and a solids fraction of the composite fluid from the main body via the first set of apertures
Implementation Method 3
the vortex conveys a gaseous fraction of the composite fluid into the head space chamber for extraction from the second set of apertures
Data Source
AI summary
Apparatus, system, and method for separating gas from a composite fluid. The apparatus includes a main body defining a flow path formed from a separations chamber at an upstream end of the flow path and a head space chamber at the downstream end of the flow path. The main body includes a first set of apertures disposed about the separations chamber and a second set of apertures disposed about the head space chamber. An agitator is housed within the main body at an upstream end of the separations chamber and is configured to generate a vortex that conveys the composite fluid through the flow path. The vortex expels a liquid fraction and a solids fraction of the composite fluid from the first set of apertures, and the vortex conveys a gaseous fraction of the composite fluid into the head space chamber for extraction from the second set of apertures.