نمایش نتیجه 1 تا 4 از 4 نتیجه یافت شده برای casing elevator:
n: see elevators.
n: The tool for suspending the casing when casing running.
سنبه ی جداره گشا
n: A kind of high intensity elevator with long slips. Used to hoist heavy long casing for deep well.
جداره بالابر دهنه ی جانبی
n: a casing elevator containing segmented slips with gripping teeth inside. Slip elevators are recommended for long strings of casing, because the teeth grip the casing and help prevent casing damage from the weight of long, heavy strings hanging from the elevators. Slip elevators may also be used as slips.
n: The slip that can retain homogeneously the pipe.
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