Horizontal geophone VW

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Product overview
The VW series underwater seismic geophone string is a patented product developed by Sunfull (patent ZL96227130.6). It is designed for submerged seismic acquisition in shallow and nearshore water environments, offering waterproof and pressure-resistant construction, corrosion resistance in freshwater and seawater, and straightforward field deployment. The series delivers stable operation and a linear response and is compatible with commonly used acquisition systems in oilfield surveys.

VW series description
The VW series is an independently developed, patented underwater geophone string. It is rated for use in waters up to 15 meters deep; after 48 hours submerged at 15 m depth the insulation resistance remains ≥ 200 MΩ. The design targets durable performance in coastal and inland shallow-water seismic operations.

Applications

• Seismic exploration for oil and gas
• Bridge pile foundation testing
• Dam inspection and exploration
• Shallow water and nearshore seismic surveys (depths ≤ 15 m)

Compatibility

• Compatible with B-series, X-series and S-series geophone cores and with standard oilfield acquisition systems

Technical specifications

• Series name: VW series underwater seismic geophone string
• Patent number: ZL96227130.6
• Designed immersion depth: up to 15 m
• Insulation resistance: ≥ 200 MΩ after 48-hour immersion at 15 m
• Waterproof / pressure resistance: suitable for submerged use in water and sea environments
• Corrosion resistance: suitable for freshwater and seawater conditions
• Performance: stable operation with linear response
• Compatibility: B/X/S series cores; compatible with common acquisition systems used in oilfields

Installation and use
Designed for convenient and rapid field deployment in rivers, lakes, coastal shallow waters and other locations where use of submarine winches is impractical. Follow site-specific handling, connector and cable management procedures to ensure long-term reliability.