单词 | float collar |
释义 | float collar in the Oil and Gas Industry (floʊt kɒlər) Word forms: (regular plural) float collars noun (Extractive engineering: Field development, Equipment) A float collar is a part near the bottom of the casing string which catches the bottom plug and top plug, and which prevents mud from entering the casing. The float collar prevents drill mud from entering the casing while it is being lowered, allowing thecasing to float during its descent and thus decreasing the load on the derrick ormast. The aperture of the float collar, which is usually located one joint of casing above the guide shoe, has a valve toprevent backflow of slurry. A float collar is a part near the bottom of the casing string which catches the bottom plug andtop plug, and which prevents mud from entering the casing. |
随便看 |
|
英语词典包含298861条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。