Exploration Drilling Sampling System for Real-Time Geochemical Analysis
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for exploration drilling face significant delays in obtaining analysis results due to the need for samples to be sent to remote laboratories, limiting real-time feedback for decision-making, and existing in-field solutions are either costly or not yet mature enough for widespread use.
Innovation Solution
An integrated sampling and analysis system that includes a sample preparation sub-system for drying and a sample handling sub-system for preparing the dried samples, allowing for real-time, incremental analysis of drilling cuttings correlated to specific depth intervals within the borehole, using a combination of sub-systems that can be integrated or operated separately, including centrifuges for solids separation and spin flash dryers for rapid moisture removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If samples are sent to remote laboratories for analysis, then analysis accuracy and reliability are improved, but analysis time delay increases significantly
Solution Approach 1:
The system segments the analysis process into multiple stages: on-site rapid screening using portable XRF devices for immediate feedback, and subsequent comprehensive laboratory analysis for definitive results. This allows time-critical decisions to be made based on preliminary data while maintaining option for detailed analysis.
Solution Approach 2:
The patent introduces mobile field laboratories and automated on-site analysis systems as intermediary solutions between traditional remote laboratories and field operations. These intermediaries provide near-real-time analysis capabilities while maintaining analytical quality standards, effectively bridging the time gap without sacrificing measurement precision.
2Loss of time
If field-based semi-mobile laboratories are established at drilling sites, then analysis time delay is reduced, but establishment cost increases significantly
Solution Approach 1:
The system employs portable, lightweight analysis devices that can be rapidly deployed and relocated between drilling sites. These cost-effective portable instruments provide sufficient analysis capability for exploration decisions without the high capital investment required for permanent field laboratories, enabling rapid deployment at minimal cost.
Solution Approach 2:
The patent integrates multiple analysis functions into single portable devices that can perform various geochemical analyses (XRF, ICP, and other spectroscopic methods). This multi-functionality eliminates the need for separate specialized equipment for each analysis type, reducing overall establishment costs while maintaining comprehensive analytical capabilities.
3Productivity
If drilling cuttings are analyzed in raw form without preparation, then sample processing time is reduced, but data quality becomes sub-standard
Solution Approach 1:
The system performs preliminary drying and size classification of drilling cuttings using automated devices before analysis. This preliminary preparation removes moisture that would interfere with analysis and separates particles into size fractions, ensuring optimal sample condition for rapid high-quality analysis without significant time loss.
Solution Approach 2:
The patent replaces manual sample preparation methods with automated mechanical systems including centrifugal separators, automated sample presses, and robotic handling devices. These automated systems perform preparation functions rapidly and consistently, maintaining data quality while dramatically reducing preparation time compared to manual methods.
4Loss of time
If down-hole geochemical probes are used, then real-time analysis capability is improved, but technology maturity and reliability are insufficient
Solution Approach 1:
The system uses portable analysis devices that replicate laboratory-grade analytical capabilities in field-deployable formats. These portable instruments copy the essential measurement functions of sophisticated laboratory equipment, providing reliable data with near-real-time feedback without requiring unproven down-hole probe technology.
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
Enables high-quality, low-level geochemical data collection and correlation with core samples, providing near-real-time feedback for exploration drilling decisions while maintaining sample integrity and reducing costs associated with laboratory analysis.
Implementation Method 1
spin flash dryers for rapid moisture removal
Implementation Method 2
centrifuges for solids separation
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
A sampling and analysis system (50), and related method, for use in exploration drilling, particularly diamond drilling. The system (50) includes a number of sub- systems, including a capturing sub-system (51), a sample recovery and splitting sub-system (52), a sample preparation/drying sub-system (53), a sample handling and sensor sub-system (54), a data collection and management sub- system (55), an automated data analysis and interpretation sub-system (56), and a control sub-system (57) for data collection and process control. The sample handling and sensor sub-system (54) may comprise an integrated arrangement or separate units providing a sample handling sub-system and a sample sensor sub-system. The sample preparation/drying sub-system (53) is operable to ensure that the samples it receives from the sample recovery sub-system (52) are optimally prepared for introduction to the sample handling and sensor sub- system (54). The sampling and analysis system (50) may be autonomous or operable manually or semi-automatically.