Downhole zonal well test by FlowJet pump is the ideal way to test multilayer formation zone by zone creating variable drawdown to the reservoir to evaluate its performance at different flow regimes. Technology to be applied on the non-self-flowing wells such as heavy oil, tight formation, low reservoir pressure.

The 4-parameters MEFM tool helps to measure the gross rate, water cut, pressure and temperature from the reservoir during the production test. The duration of the production test could be up to one month with the recording of production data to the memory of downhole MEFM tool. High-quality Pressure Build Up could be recorded during downhole production test.

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MPLT with jet pump in horizontal wells

Collection of PVT sample with help of FlowJet pump allows to have a pure sample of reservoir fluid from remote zone of formation which is free of mud residuals.

PVT chamber used for PVT sampling has 2 by 500cc containers equipped with timer and pressure triggers. PVT chamber is run along with FlowJet pump as a part of BHA and has  option to be fished by overshot immediately after sample collection.

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