Methods and systems for moving a sliding sleeve based on internal pressure

NO349921B1Active Publication Date: 2026-06-22COMITT WELL SOLUTIONS LLC
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Patent Information

Authority / Receiving Office
NO · NO
Patent Type
Patents
Current Assignee / Owner
COMITT WELL SOLUTIONS LLC
Filing Date
2020-01-23
Publication Date
2026-06-22

AI Technical Summary

Technical Problem

Conventional well stimulation methods are limited by the inability to effectively extend downhole tools due to friction and buckling, restricting the ability to treat or intervene in extended or long reach wells, and the reliance on annulus pressure differentials for controlling tool elements, which can hinder fracturing operations.

Method used

A system and method utilizing pressure differentials and fluid flow rates within the inner diameter of a tool to control a sliding sleeve and packers, allowing for the stimulation of multiple zones and ports, using a tool with a check valve, shifting profile, and sealing elements to manage fluid flow and pressure for selective engagement and movement of the sliding sleeve.

Benefits of technology

Enables the effective stimulation of multiple zones and ports within a well by controlling the sliding sleeve and packers using inner diameter pressure, overcoming the limitations of conventional systems and extending the reach of downhole tools, facilitating more comprehensive well treatment.

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Abstract

Embodiments disclosed herein describe fracturing methods and systems, wherein pressure differentials and fluid flow rates may be utilized to stimulate multiple zones, sleeves, or ports with the same tool.
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