Non-threading taper tap (NTT)
The non-threading taper is used to retrieve tubular components by engaging their internal surface during fishing operations in oil, gas, and exploration wells. It is pressed into the internal surface of the fish to establish a secure connection for retrieval.
Characteristics:
Designation
46NTT-18/29
46NTT-24/38
46NTT-30/44
80NTT-40/54
80NTT-46/60
80NTT-54/68
80NTT-62/76
86NTT-70/84
95NTT-76/90
108NTT-84/98
108NTT-90/104
121NTT-96/110
121NTT-104/118
121NTT-108/126
121NTT-118/136
155NTT-126/144
155NTT-140/158
155NTT-148/166
OD, mm
46
46
46
80,5
80,5
80,5
80,5
86,5
95,5
108,5
108,5
121
121
121
121
155,5
155,5
155,5
Port dia., mm
5
8
10
12
25
25
25
44
32
38
38
58
58
58
58
95
95
95
Tap length, mm
740
900
900
980
960
960
960
980
980
980
980
1160
1040
1300
1250
1300
1300
1300
Fishing thread size, mm
29/18
38/24
44/30
54/40
60/46
68/54
76/62
84/70
90/76
98/84
104/90
110/96
118/104
126/108
136/118
144/126
158/140
166/148
Load capacity, кN
30
50
60
130
150
220
240
260
260
260
260
260
260
260
260
260
260
260
Thread*
Z-38
Z-38
Z-38
Z-66
Z-66
Z-66
Z-66
Z-73
Z-76
Z-86
Z-86
Z-102
Z-102
Z-102
Z-102
Z-133
Z-133
Z-133
