Over sampling tools supplied to international service companies, operators and state owned oil companies. Proserv specialises in bottom hole sampling which supports evaluation and appraisal of a reservoir. Samples are captured in the field, transferred to shipping cylinders, and transported to the laboratory where chemical and physical properties can be measured and determined. This process needs careful management throughout to ensure sample integrity, operator safety and environmental and legal compliance. Once analysed, the samples provide data vital for the economic and technical evaluation of the reservoir. Proserv offers a range of downhole sampling tools and supporting equipment to capture fluid samples from within the well bore.
How to Easily Dig a Well on Your Property
Downhole Sampling - Reservoir Characterization | Schlumberger
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Drilling continues in stages: The crew drills, then runs and cements new casings, then drills again. When the rock cuttings from the mud reveal the oil sand from the reservoir rock, the crew may have reached the well's final depth. At this point, crew members remove the drilling apparatus from the hole and perform several tests to confirm this finding:. Once they've reached the final depth, the crew completes the well to allow oil to flow into the casing in a controlled manner.
A bailer is a portable grab sampler typically used for retrieving groundwater samples from monitoring wells. Bailers are sometimes used to purge groundwater wells prior to sampling, collecting profile samples of free product hydrocarbons , well development, and bail-down tests to measure recharge rates. Bailers are simple devices to use and are relatively inexpensive. Bailer samples are collected when the bailer is attached to bailing cord and lowered slowly and gently down the well until the top of the bailer is below the groundwater surface. The bailer is pulled up when the desired depth is reached, with the weight of the water closing the check valve.