Improved, fast sample transfer
The Oilphase-DBR Field Transfer Unit (FTU) is a customized field workstation designed for the transfer and validation of single-phase reservoir fluid samples into single-phase transport cylinders. Sample transfer can be performed in less than one hour with no compromise in sample quality.
To allow for fast field rig-up, a nitrogen intensifier and two air-operated high pressure pumps, for synthetic oil and water, are built into the unit. The FTU supports the Single-Phase Reservoir Sampler and sample bottle together, and offers increased reliability by requiring a minimum of new connections to be installed and tested before commencing the transfer. Dedicated hoses for all displacement fluids ensure no cross-contamination of samples, and stainless steel construction prevents contamination caused by line corrosion. High-pressure quick-connect couplings ensure easy operation with no thread galling or cross-threading and permits easy field maintenance.
Following transfer, sample validation can be confirmed by field bubblepoint measurement. This validation is performed using a constant volume cell (2 cm3) connected to a calibrated dial test gauge. This cell removes the risk of error and ensures that identical volumes are progressively removed during depressurization, producing reliable field bubblepoint determination.
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