The rupture disk (RD) FUL-FLO sampler is a full-open, full bore sleeve sampler for use on drill stem test(DST). The sampler is controlled by a rupture disk that is operated by annulus pressure.

Features and Benefits:Time-delay feature allows the sample to be trapped after a preset time. Different metering cartridges can be used to vary the closing time; Full-open capabilities are retained after the tool has trapped its sample; Several samplers can be run on a test to allow sampling at different times.