Tapered Mill

Products Introduce

Introduction:

The topper mill is a grinding tool used for milling the bevel of reconnection sleeves, removing minor localized deformations in casing pipes, and trimming burrs or flares on casing collars caused by various tools during tripping or by perforation operations. It also clears mineral deposits and other hard debris adhering to the wellbore wall to restore the original bore diameter. The tool features impact resistance and a long service life.

Features and Benefits:

★ It can repair casing deformation, flares, and burrs, effectively restoring the wellbore drift diameter.

★ It integrates trimming, milling, and cleaning functions, adapting to various well conditions.

★ It features impact resistance, a long service life, and stable, reliable operation.


Technical Specifications

O.D.

mm

Connection

Well Hole Range

mm

89

NC26、3-3/8REG

95.2-101.6

97

107.9-114.3

110

NC31、2-7/8REG、3-1/2REG

117.5-127

121

130-139.7

130

142.9-152.4

140

NC38、3-1/2REG、4-1/2REG

155.6-165.1

156

168-187.3

178

190.5-209.5

200

NC50、4-1/2REG

212.7-241.3

232

244.5-269.9

257

6-5/8REG

273-295.3

279

298.5-317.5

295

320.6-346.1

330

349.3-406.4

381

406.4-444.5

406

7-5/8REG

431.8-508

432

457.2-533.4

534

558.8-660

686

711.2-863.6