What are the main uses of drill pipe thread oil
Drill pipe thread oil (also known as drill pipe thread grease) is a special lubricating and sealing material used in the field of petroleum drilling and other industries for connecting drill pipe threads. Its main uses are as follows:
1. Lubricate and protect threads
effect:
Reduce the frictional resistance of drill pipe threads during loading and unloading, and avoid thread sticking, wea
Drill pipe thread oil (also known as drill pipe thread grease) is a special lubricating and sealing material used in the field of petroleum drilling and other industries for connecting drill pipe threads. Its main uses are as follows:
1. Lubricate and protect threads
effect:
Reduce the frictional resistance of drill pipe threads during loading and unloading, and avoid thread sticking, wear, or jamming caused by dry friction.
Reduce the damage to the thread profile caused by frequent disassembly and extend the service life of the drill rod.
Scenario: Rapid connection and disassembly of a single drill rod or column during drilling operations.
2. Sealed and leak proof
effect:
Fill the thread gap to form a sealing barrier, preventing drilling fluid (especially fluids containing high-pressure and corrosive components) from leaking from the threaded connection.
Avoid drilling fluid flushing the root of the thread to reduce the risk of well control or drilling tool failure caused by leakage.
Scenario: Thread sealing during high-pressure circulation of drilling fluid during drilling.
3. Corrosion and rust prevention
effect:
Isolate threads from direct contact with drilling fluid (corrosive media such as salt, hydrogen sulfide, carbon dioxide, etc.) to prevent electrochemical or chemical corrosion.
Especially suitable for high corrosion drilling environments containing acidic gases (such as H ? S), protecting the strength of thread structures.
Scenario: Adverse working conditions such as offshore drilling and sulfur-containing oil and gas wells.
4. High temperature and high pressure resistance
effect:
In deep wells, ultra deep wells, or high-temperature operations (such as geothermal wells and shale gas wells), withstand high temperatures (up to 200 ℃ or above) and high-pressure environments, and maintain stable lubrication and sealing performance.
To avoid lubricant carbonization and failure caused by temperature rise and ensure the reliability of threaded connections.
5. Auxiliary thread alignment
effect:
After applying thread oil, a uniform oil film is formed on the surface of the thread contact, which assists manual or mechanical alignment, improves connection efficiency, and reduces the risk of "wrong threading".
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