• January 18. 2023

The downhole tool sliding sleeve seal, we usually call it sliding sleeve or V stack, is a two-way elastic energy storage combination seal. It is a commonly used sealing element in downhole tools for oil production. When the sliding sleeve is pushed to the proper position, the sliding sleeve   activates the sealing function to seal off the upstream, so that the fracturing work can be carried o...

• February 17. 2025

In oil and gas well completion, production, or workover operations, controlling fluid communication between the annular area (the space between the casing and production tubing) and the interior of the production tubing is critical. To achieve this, the Seal Stack serves as an efficient sealing solution, widely used in wellbore tools, especially in key equipment like sliding sleeves. This article ...