Tool joint taper tap (TJTT)
The tool joint taper tap is designed to engage the internal surface of a drill pipe tool joint and retrieve the drill string during fishing operations in oil, gas, and exploration wells by screwing into the internal tool joint threads of drill pipe connections.
Characteristics:
Designation
TJTT-66
TJTT-73
TJTT-76
TJTT-86
TJTT-88
TJTT-102
TJTT-108
TJTT-117
TJTT-122
TJTT-133
TJTT-147
TJTT-152
TJTT-171
TJTT-177
Fishing thread
Z-66
Z-73
Z-76
Z-86
Z-88
Z-102
Z-108
Z-117
Z-122
Z-133
Z-147
Z-152
Z-171
Z-177
OD, mm
80,5
86,5
98,5
108
113
121
133
140,5
146,5
162
178,5
197
203
226
Port dia., mm
15
15
15
20
20
45
38
38
38
38
38
40
50
50
Tap length, mm
260
280
280
280
280
300
340
380
380
380
400
400
400
450
Load capacity, кN
1000
1500
1500
2000
2000
2600
2600
2650
2650
2750
3300
3700
3700
4700
Connection*
Z-66
Z-73
Z-76
Z-86
Z-88
Z-102
Z-108
Z-117
Z-122
Z-133
Z-147
Z-152
Z-171
Z-177