Rotary Shoe, Fishing Cup with High Effective Mill Shoe, Flat-bottom Mill Shoe, Cone-shaped Mill Shoe, Guide Mill Shoe, High Efficiency Mill Shoe, Pear-Shaped Mill Shoe, etc.
Mill Shoe / Grind Shoe
The milling shoes include flate-bottom mill shoe, concave-bottom mill shoe, tapered bottom mill shoe, pilot mill shoe, hi effective cone mill shoe etc. the flate-bottom grind shoe is a normal tool fro grinding downhole small catches and repairing the fish top. The concave bottom is used to grind downhole small objects and other unstable fallen objects. The pilot mill shoe is used to grind the fallen objects that with internal hole and shaking downhole. The tapered grind / mill shoe is used to repair and maintain small deformed location and clean wall sundries.
Technical Specifications and Parameters for drilling releasing overshot.
Model
O.D. (mm)
Length (mm)
Thread Connection
Hole Size (mm)
MA89
89
250
2-3/8” REG
95.2~101.6
MA97
97
107.9~114.3
MA110
110
2-7/8” REG
117.5~127.0
MA121
121
130.0~139.7
MA130
130
142.9~152.4
MA140
140
3-1/2” REG
155.6~165.1
MA156
156
168.0~187.3
MA178
178
190.5~209.6
MA200
200
4-1/2” REG
212.7~241.3
MA232
232
244.5~269.5
MA257
257
6-5/8” REG
273.1~295.3
MA279
279
298.5~317.5
MA295
295
320.6~346.1
MA330
330
349.3~406.4
MA381
381
406.4~444.5
Technical Specifications and Parameters for concave-bottom grind / mill shoe.
Model
O.D. (mm)
Angle a
Length (mm)
Thread Connection
Hole Size (mm)
MA89
89
40°~15°
250
2-3/8” REG
95.2~101.6
MA97
97
107.9~114.3
MA110
110
2-7/8” REG
117.5~127.0
MA121
121
130.0~139.7
MA130
130
142.9~152.4
MA140
140
3-1/2” REG
155.6~165.1
MA156
156
168.0~187.3
MA178
178
190.5~209.6
MA200
200
4-1/2” REG
212.7~241.3
MA232
232
244.5~269.5
MA257
257
6-5/8” REG
273.1~295.3
MA279
279
298.5~317.5
MA295
295
320.6~346.1
MA330
330
349.3~406.4
MA381
381
406.4~444.5
Technical Specifications and Parameters for pilot mill shoe.