Field Geoscan laboratory and field instruments
Product Overview
The FIELD GEOSCAN is the field-deployable version of Vinci’s well-established Rock-Eval instrument designed for the geochemical analysis of rock samples.
- It operates with a single oven that performs both pyrolysis and oxidation cycles.
- The system allows the determination of key hydrocarbon and kerogen parameters such as:
- S1
- S2
- Tpeak
- Tmax
- These parameters are obtained through high-temperature pyrolysis.
- Analytical programs can be configured with single or multiple heating ramps, typically ranging from about 40°C (or ambient +20°C) up to 850°C.
- Samples are introduced individually into the oven using a loading piston.
The system can also be optionally upgraded to measure:
- S3
- S4
- S5
- TIC (Total Inorganic Carbon)
- TOC (Total Organic Carbon)
- This enables a more comprehensive characterization of the sample’s carbon content and thermal properties.
- All data are automatically processed using the dedicated GEOWORKS geochemistry software.
Technical Specifications
- Pyrolysis oven temperature: selectable from 40°C to 850°C
- Number of samples: 1
- Temperature rates: adjustable from 1 up to 50°C/min, with steps of 1°C/min
- 5 possible ramps
Detector types:
- FID for hydrocarbons
- Infrared cell for CO and CO2 (optional)
Carrier gases:
- Nitrogen (pyrolysis)
- Pure zero air (oxidation and FID)
- Hydrogen for FID
- Compressed air for oven cooling
Requirements:
- Nitrogen: 99.99% purity, 2 bar, 100 ml/min consumption
- Hydrogen: 99.99% purity, 2 bar, 30 ml/min
- Air: 99.99% purity, 3 bar, 400 ml/min
Power supply:
- 100V - 240V, 50 Hz / 60 Hz, 1500 W
Dimensions (W × L × H):
- 40 × 50 × 50 cm (without workstation)
Weight:
- 35 kg (base version)
- 50 kg (with S3, S4, S5, TIC and TOC upgrade)
Features & Benefits
- Built on the proven Rock-Eval technology, providing reliable S1, S2, Tpeak, and Tmax data
- Additional optional upgrade for fast S3, S4, S5, TIC, and TOC determination by gas switching after pyrolysis
- Utilizes nitrogen as the carrier gas
- Includes one robust pyrolysis–FID oven
- Offers high analytical throughput
- Delivers results equivalent to the POPI method in just 30 minutes
- Delivers results equivalent to Shale Play results (oil light and heavy ends)
- Reservoir method with calculated API gravity index
- Delivered with a transportation casing
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