Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Patent AT-E400726-T1: [Translated] SYSTEM AND METHOD FOR REDUCING ERUPTION CROSS IMPACT DURING ERUPTION CROSS DRILLING OPERATIONS

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Metadata Last Checked: September 07, 2025 | Last Modified: 2025-09-06
A system and method for lessening impact on Christmas trees during downhole operations involving Christmas trees, by way of example and not limitation such as cementing processes. The system comprises an outer housing defining a chamber, a lubricator assembly disposed in the outer housing, and an inner sleeve slidably disposable within the chamber. The method uses the system of the present invention by inserting the inner sleeve into the lubricator assembly; lowering the inner sleeve into the Christmas tree to a predetermined position extending into a tubing hanger associated with the tree; introducing fluids through a fluid line coupled to the lubricator assembly, the fluids passing through a conduit within the inner sleeve into the wellbore; and retrieving the lubricator assembly upon completion of fluid introduction into the wellbore. In alternative embodiments, the inner sleeve may be retracted and withdrawn with the lubricator assembly upon completion of fluid introduction into the wellbore.

Find Related Datasets

Click any tag below to search for similar datasets

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov