Quantum Downhole Systems outperforms other oil well production logging systems
Data – downhole pressure, and temperature, flow rates, densities, viscosities as well as fluid composition – are among the key elements oil and gas producers need to optimize recovery.
In today’s volatile price environment, producers are always looking to maximize production and reduce operating costs. Designing the best well optimization system requires capturing relevant and quality data.
Production logging a non-flowing, pumping oil well is very difficult, complex and costly using conventional methods. Further, the data is likely to not be all that accurate. Conventional production logging tools are designed to measure fluid densities and velocities; if the well does not flow there is nothing to measure.
Standard logging practices just don’t work well in non- flowing oil wells.
Which is why Quantum’s system works better for evaluating reservoir inflow characteristics.
Quantum developed unique patent-pending technology – called the JetVak – that significantly improves the removal of solids from under or sub-pressured horizontal wells. The system consists of a Dual Coiled tubing string with a modified jet pump at as the bottom hole assembly. Slight manipulation of the tool can change its purpose from a solids cleaning tool to a production logging or reservoir characterization device.
When in the production logging or reservoir characterization mode, one of the coiled tubes provides high pressure power fluid to the jet pump. This creates a localized suction or vacuum, the reservoir gases and fluids enters the intake of the jet pump and are transported to surface via the second coiled tubing conduit. The return gases, fluids and return rates are analyzed at surface; when the tool is retrieved the bottom hole pressure and temperature are down loaded from the tool.
When the final report is generated, depths and volumes are corrected and correlated to illustrate where and how much fluid and of what type is coming into the well at precise depths.
The JetVak does a great job of maximizing oil productivity and gathering key data points on sub or under-pressured horizontal oil wells.
“As commodity prices soften we feel that producers will focus on optimizing existing assets to maximize productivity and return on their share holder’s investments,” explains Quantum’s COO Steve Winkler.
Clients have been very pleased with Quantum’s production logging service. As reservoirs deplete, the improved and accurate data enables engineers to design more effective optimization strategies to reduce lifting costs and increase the ultimate recovery percentage of a given pool.
“This is a really good investigative tool that can dynamically evaluate well flowing conditions in situ to capture more data that would enhance production and effectively boost recovery,” said Winkler.
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