FIELD: oil and gas industry.
SUBSTANCE: cutter has housing including the first end section (20) having cutting surface with arc-shaped end wall, second end section (22) having cutting surface with arc-shaped end wall and central section (24) connecting the first and the second end sections and having mainly flat lateral sides. At that, arc-shaped end walls of the first and second end sections are semicircular or made in the form of arc segments. Length of cutter is approximately 1.5 of cutter width. There also proposed is cutting tool for being used at well cutting, which contains cutting element and at least one above said cuter attached to cutting element.
EFFECT: increasing hardness of drilling tool.
25 cl, 8 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CUTTING TOOL | 2006 |
|
RU2310735C1 |
| 0 |
|
SU52250A1 | |
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RU2544946C2 |
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| METHOD FOR DETACHABLE FASTENING OF TWO- AND THREE-LAYERED PLATES-CUTTERS WITH SUPER-HARD LAYERS AND SOLID HARD ALLOY SUBSTRATE | 2016 |
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| METHOD OF DETACHABLE ATTACHMENT OF CUTTING PLATES WITH ONE OR TWO SUPER-HARD OUTER LAYERS AND HARD-ALLOY SUBSTRATE | 2018 |
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RU2694644C2 |
