• Developed a novel multidirectional pressure-preserved coring system using magnetic control, capable of operating at depths up to 5000 m.
• Established a dynamic interference model to verify the stability of the self-triggering mechanism during multidirectional coring.
• Achieved 100% pressure-preserved success rate in a 300-meter-deep test well and 92.18% efficiency in a 1970-meter-deep field trial.
• Expands the application scope of pressure-preserved coring, offering a sustainable and cost-effective solution for deep resource exploration.