Full-Hole Die Collar
The full-hole die collar is designed to engage tubular downhole components and retrieve them during fishing operations in oil, gas, and geological exploration wells. The fishing operation is performed by cutting the external threads onto the surface of the fish.
The full-hole die collar is available in the following configurations:
FHC - Full-hole die collar with chamfer;
FHCt - Full-hole die collar with cutlip guide.
Characteristics:
Designation
90FHC-69/52
99FHC-83/63
114FHC-98/76
118FHC-102/80
137FHC-121/92
152FHC-136/105
166FHC-150/117
176FHC-160/130
OD, mm
90
99
114
118
137
152
166
179
Length, mm
550
550
600
580
680
700
800
800
Fishing thread size, mm
69/52
83/63
98/76
102/80
121/92
136/105
150/117
160/130
Fishing thread size, mm
280
330
400
480
550
600
660
700
Thread*
NKT-73
NKT-73
NKT-89
ОТТМ-102
ОТТМ-114
ОТТМ-114
ОТТМ-127
ОТТМ-140
