• May 15. 2025

In oil and gas wells (and sometimes geothermal wells), a wiper plug is a device used mainly during cementing operations. Its job is to separate drilling mud and cement slurry, wipe the casing clean, and ensure that fluids don't contaminate each other. The seal part of the wiper plug is critical — it makes sure: The mud and cement stay separated properly, The pressure holds up during the pump-down ...

• February 28. 2026

A wiper plug seal is a critical sealing element used in cementing operations to ensure proper fluid displacement and zonal isolation in oil & gas wells.   1. What Is a Wiper Plug? A wiper plug is a rubber-based tool launched during cementing to: Separate drilling mud from cement slurry Wipe the inner wall of the casing clean Prevent fluid contamination Indicate displacement comp...