- cement cleanout
- Бурение: удаление цемента
Универсальный англо-русский словарь. Академик.ру. 2011.
cement cleanout
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Hughes Christensen — Hughes Christensen, a division of Baker Hughes Inc., is a large oil and gas drill bit company. Howard Hughes, Sr. founded the company early in the 20th century. His two cone, rolling cutter rock bit whose patent was issued by the US Patent Office … Wikipedia
