DOWNHOLE MILLING CUTTING STRUCTURES

DOWNHOLE MILLING CUTTING STRUCTURES

Systems, tools, and methods include using a milling assembly with a mill having multiple, different types of cutting element inserts. A gage region of the mill includes a first type of cutting elementinsert, and a shoulder region of the mill includes a second type of cutting element insert. One cutt...

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Bibliographische Detailangaben
Hauptverfasser: CHRISTOPHER GLASS, TIMOTHY ANDREW BURDETT, ZHENBI SU, SUDARSANAM CHELLAPPA, VIJAYAKUMAR PALANI, JIANBING HU
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:Systems, tools, and methods include using a milling assembly with a mill having multiple, different types of cutting element inserts. A gage region of the mill includes a first type of cutting elementinsert, and a shoulder region of the mill includes a second type of cutting element insert. One cutting element insert may include chip-breaking features, and the other may be a shear or gouging cutting element. 系统，工具，以及方法包括使用具有铣刀的铣削组件，所述铣工具有多个的、不同类型的切割元件镶片。铣刀的量规区域包括第类型的切割元件镶片，以及所述铣刀的肩部区域包括第二类型的切割元件镶片。个切割元件镶片可以包括断屑特征，另个可以是剪切或凿孔切割元件。