Drilling Fluid Extraction Efficiency Measurement Using Inlet-Outlet Sampling
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Solution Overview
Problem
Existing chemical species extraction systems in drilling fluid are inefficient, leading to inaccurate analysis of wellbore viability and potential safety issues due to incomplete extraction of hydrocarbons, which can cause incorrect reservoir assessments and increased drilling costs.
Innovation Solution
A method and system for measuring the efficiency of chemical species extraction by comparing the levels of hydrocarbons in drilling fluid samples taken before and after passing through an extraction device, using a steam still or similar equipment, to determine the extraction efficiency of systems like degassers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a chemical species extraction system is used to extract hydrocarbons from drilling fluid, then the ability to analyze wellbore viability is improved, but the extraction efficiency is insufficient leading to inaccurate analysis
Solution Approach 1:
The system continuously monitors the concentration of chemical species in the drilling fluid before and after extraction, using this feedback to adjust extraction parameters and optimize performance in real-time, thereby improving both measurement precision and extraction reliability
Solution Approach 2:
The extraction system dynamically adjusts operational parameters such as temperature, pressure, and flow rate based on detected chemical species concentrations, enabling optimal extraction efficiency while maintaining accurate analysis capabilities
2Productivity
If the extraction system is inefficient, then the drilling operation can proceed, but inaccurate reservoir assessments lead to increased drilling costs
Solution Approach 1:
The system performs preliminary extraction and analysis before major drilling decisions are made, allowing optimization of drilling parameters and route selection based on accurate chemical species data, thereby reducing overall drilling costs while maintaining operational continuity
Solution Approach 2:
The patent replaces traditional mechanical extraction methods with advanced extraction technologies that provide more complete extraction of chemical species, improving extraction completeness without compromising drilling operation productivity
3Measurement precision
If samples are taken from inlet and outlet channels, then extraction efficiency can be measured, but additional equipment and complexity are required
Solution Approach 1:
The extraction system is designed with multi-functional components that serve both the primary extraction function and the measurement function, allowing extraction efficiency to be measured using the same equipment without adding significant complexity
Solution Approach 2:
The system combines the extraction process and measurement process into an integrated workflow where samples are automatically diverted from the main flow path to analysis instruments, enabling efficiency measurement without requiring separate complex measurement systems
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
Ensures accurate determination of hydrocarbon extraction efficiency, allowing for precise wellbore analysis and safer drilling operations by validating the performance of extraction systems, thereby reducing inaccuracies and costs.
Implementation Method 1
The samples can be injected into an extraction device such as steam still to extract chemical species such as gas from the drilling fluid samples
Data Source
AI summary
A system includes an extraction system having an inlet channel and an outlet channel to receive fluid and to output processed fluid. The system also includes an extraction device to capture a first sample of fluid from the inlet channel, capture a second sample from the processed fluid from the outlet channel, and extract gas, liquid, or solids from the first sample and further gas, liquid, or solids from the second sample. Additionally, the system includes a gas, liquid, or solids analyzing device useable to analyze the gas, liquid, or solids to determine a first value of a chemical species of interest present in the first sample and to analyze the further gas, liquid, or solids to determine a second value of the chemical species of interest present in the second sample to determine an efficiency of the extraction system using the first value and the second value.