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Taper Mill
Taper Mill
Taper mill reams out restrictions,collapsed casing and liner sections and deburr whipstock windows and casing.The low end of taper mill,with its small,diameter enters the collapsed casing and liner.Then slightly spiraled reamer edges to mill away the under section to full mill diameter.
Taper mill consists of a conical body and tungsten carbide. The taper of the body is 30 degrees, the cone is wing-shaped, and the surface is hardfacing or inlaying tungsten carbide.
|
Borehole Dia. |
Taper mill OD |
Recommended Screw Thread |
Length |
P.N. Taper mill |
|
95-101.6 |
89 |
2-3/8REG |
300 |
XZ089 |
|
107.9-114.3 |
97 |
2-3/8REG |
300 |
XZ097 |
|
117.5-127.0 |
110 |
2-7/8REG |
300 |
XZ110 |
|
130-139.7 |
121 |
2-7/8REG |
300 |
XZ121 |
|
142.9-152.4 |
130 |
2-7/8REG |
300 |
XZ130 |
|
155.6-165.1 |
140 |
3-1/2REG |
300 |
XZ140 |
|
168-187.3 |
156 |
3-1/2REG |
300 |
XZ156 |
|
190.5-209.5 |
178 |
3-1/2REG |
300 |
XZ178 |
|
212.7-241.3 |
200 |
4-1/2REG |
300 |
XZ200 |
|
244.5-269.9 |
232 |
6-5/8REG |
350 |
XZ232 |
|
273-295.3 |
257 |
6-5/8REG |
350 |
XZ257 |
|
298.5-317.5 |
279 |
6-5/8REG |
350 |
XZ279 |
|
320.6-346.1 |
295 |
6-5/8REG |
350 |
XZ295 |
|
349.3-406.4 |
330 |
6-5/8REG |
350 |
XZ330 |
|
406.4-444.5 |
381 |
6-5/8REG |
350 |
XZ381 |