Hydrocarbon Emulsion Testing for Terminal Temperature and Demulsifier Dosing
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Solution Overview
Problem
Hydrocarbon emulsions formed in multiphase oil, water, and gas separation vessels are difficult to separate effectively, leading to inefficiencies in processing facilities.
Innovation Solution
A hydrocarbon emulsion testing system (HETS) that uses sequential batch processing with heating and demulsifier injection to break tight emulsions, allowing for efficient separation of oil, water, and emulsion phases by determining an optimal terminal temperature and demulsifier volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional separation methods are used for hydrocarbon emulsions, then the separation process is simple, but the separation efficiency is poor due to the tight emulsion structure
Solution Approach 1:
The patent applies parameter changes by systematically varying temperature and demulsifier dosage to optimize emulsion separation. Multiple tests are conducted at different temperatures (heating samples) and demulsifier volumes to identify the optimal combination that maximizes separation efficiency for tight emulsions.
Solution Approach 2:
The patent employs preliminary action by pre-heating the emulsion samples before separation and pre-determining optimal demulsifier volumes through systematic testing. This preliminary preparation breaks the tight emulsion structure in advance, making the subsequent separation process more effective.
2Productivity
If demulsifier is injected to break tight emulsions, then separation efficiency improves, but demulsifier consumption and costs increase
Solution Approach 1:
The patent systematically varies demulsifier dosage parameters to identify the minimum effective volume required for emulsion breaking. By conducting multiple tests with different demulsifier volumes, the optimal dosage is determined that achieves maximum separation efficiency while minimizing chemical consumption and associated costs.
Solution Approach 2:
The patent employs feedback mechanisms by measuring separation results at different demulsifier dosages and using this information to optimize future treatments. The systematic testing and comparison of results allow for determination of the optimal demulsifier volume that balances effectiveness with cost efficiency.
3Measurement precision
If multiple separation tests are conducted at different conditions, then optimal separation parameters are determined, but testing time and complexity increase
Solution Approach 1:
The patent applies segmentation by dividing the optimization process into distinct sequential tests: first testing different temperatures, then testing different demulsifier volumes at the optimal temperature. This segmented approach systematically identifies optimal parameters while organizing the testing process to minimize overall time requirements.
Solution Approach 2:
The patent uses preliminary action by conducting temperature optimization tests first to establish the optimal heating condition, then using that result to guide subsequent demulsifier dosage tests. This preliminary determination of temperature parameters reduces the overall testing time by eliminating the need for exhaustive combination testing.
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
Enhances separation efficiency, reduces demulsifier usage, and minimizes costs by optimizing separation conditions for hydrocarbon emulsions.
Implementation Method 1
heating, in a heating unit of the HETS, the second sample of the hydrocarbon emulsion from the first temperature to a second temperature
Implementation Method 2
separating, in a separation tank of the HETS, the first sample of the hydrocarbon emulsion at the first temperature into a first volume of the oil phase, a first volume of the water phase, and a first volume of an emulsion phase
Data Source
AI summary
A hydrocarbon emulsion testing process includes feeding multiple hydrocarbon emulsion samples into a hydrocarbon emulsion testing system. At least one sample is heated in a heating unit. At least one sample is injected with a demulsifier. Each of the samples if separated into an oil phase, a water phase, and an emulsion phase. The separated volumes of at least one of the respective oil phases, water phases, and emulsion phase are compared to determine a terminal temperature of the hydrocarbon emulsion testing system.