Wireline Formation Testing Platform for Hydrocarbon Volume Quantification
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Solution Overview
Problem
Current wireline formation testing methods fail to accurately quantify and monitor hydrocarbon volumes and surface gas emissions, often leading to overestimates and unnecessary wiper trips.
Innovation Solution
A formation testing platform that uses downhole fluid sensors and real-time data communication to determine hydrocarbon content and gas emissions, enabling accurate monitoring and control of surface gas emissions during formation testing operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the entire volume of fluids pumped into the wellbore is assumed to be hydrocarbon or gas, then the volume of produced hydrocarbon volumes is estimated, but this leads to overestimates and unnecessary wiper trips
Solution Approach 1:
The patent replaces the mechanical assumption-based volume estimation with downhole fluid analysis using NMR sensors and other fluid property measurements. This substitution of mechanical assumption with physical measurement enables accurate differentiation between hydrocarbon, gas, and mud volumes, resolving the contradiction between measurement precision and decision reliability
Solution Approach 2:
The patent implements real-time feedback by measuring actual fluid properties downhole and using this information to adjust volume calculations. The system continuously monitors fluid composition and provides feedback to correct the volume estimation, preventing overestimation and unnecessary wiper trips while maintaining reliable well control decisions
2Measurement precision
If downhole fluid sensors and real-time data communication are used to determine hydrocarbon content and gas emissions, then accurate monitoring is achieved, but device complexity increases
Solution Approach 1:
The patent integrates multiple measurement functions into a single formation testing platform that performs both formation evaluation and fluid composition analysis. By making the system multi-functional, it achieves accurate hydrocarbon content and gas emissions measurement without proportionally increasing device complexity, as the same hardware serves multiple purposes
Solution Approach 2:
The patent combines downhole fluid sensors, NMR measurement capabilities, and real-time data communication into an integrated formation testing tool. This merging of previously separate functions into a unified system achieves the desired measurement precision while managing device complexity through consolidation rather than adding separate independent systems
Data Source
AI summary
Systems and methods presented herein generally relate to a formation testing platform for quantifying and monitoring hydrocarbon volumes and surface gas emissions using formation testing data collected by a formation testing tool. For example, a method includes allowing one or more fluids from a subterranean formation to flow through a formation testing tool disposed in a wellbore of a well; determining, via the formation testing tool, data relating to one or more properties of the one or more fluids; communicating the data relating to the one or more properties of the one or more fluids from the formation testing tool to a surface control system; and determining, via the surface control system, hydrocarbon content of the one or more fluids and/or gas emissions relating to the one or more fluids based at least in part on the data relating to the one or more properties of the one or more fluids.