cross-over sub

18:21 Mar 9, 2024
English to Romanian translations [PRO]
Tech/Engineering - Petroleum Eng/Sci / platforma foraj offshore
English term or phrase: cross-over sub
cross-over subs and other bottom-hole equipment equipment
Vertrad
Romania
Local time: 19:35


Summary of answers provided
4manșon de reducție
Éva Krecht
Summary of reference entries provided
couplings for API ST&C and LT&C threads
Tomasso

  

Answers


1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5
manșon de reducție


Explanation:
„The term "crossover sub" is used to describe a mechanical component with threaded connections. It's used to connect components with different sizes or thread types.
Crossover subs are most often found in the drill pipe between the drill pipe and drill collars, as well as at other locations throughout the drill string. These components let the driller modify installations according to their field conditions.”

https://www.superiorperformance.com/company-news/the-importa...

„crossover = reductie (...)
sub = reductie, manson de reductie, cupon de teava”

http://www.amac.md/Biblioteca/data/26/01/Vocabular/Dictionar...



Éva Krecht
Romania
Local time: 19:35
Native speaker of: Native in HungarianHungarian, Native in RomanianRomanian
PRO pts in category: 36
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Reference comments


5 mins
Reference: couplings for API ST&C and LT&C threads

Reference information:
"6.4 Crossover Joints and Subs
When the pipe is measured, that is the time to check all the crossover joints (if required) as to correct threads and correct placement in the string on the racks or a separate location where they can be added to the string when required. Be sure the crossovers are included in the tally. There should be at least one spare for each type of crossover used. Crossovers for proprietary connections should be cut only by a machine shop or manufacturer licensed to cut that specific thread. The legal issue is one thing, but an improperly cut thread can cause failure of the string.

Crossover subs or couplings for API ST&C and LT&C threads need special comment.

https://www.sciencedirect.com/topics/engineering/crossover-s...

Tomasso
United States
Native speaker of: Native in EnglishEnglish
PRO pts in category: 4
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