Ziebel has completed its 100th Z-Rod® distributed fiber optic sensing job. The Z-Rod system consists of a 6500m carbon fiber composite rod with embedded fiber optic lines that make it possible to deploy both distributed temperature and distributed acoustic sensing along the complete wellbore.
With a diameter of only 15 mm, the rod is injected into the well from coil tubing-like surface equipment and can travel up to 1,800m along the horizontal section of a well. Unlike traditional logging tools that can only survey a few inches of the well at a time, sensing provides a complete wellbore profile that is captured several times per second.
The 100th job was performed for ConocoPhillips in the United States to determine the flow profile of zones within a fracked unconventional well.