SYSTEM (BARREL X CORE SIZE) 4-3/4" x 2-5/8" IMPERIAL METRIC |
6-3/4' IMPERIAL |
x 4" METRIC | ||
Hole Size Compatibility |
5-7/8 to 7 in. |
149 to 178 mm |
8 to 9 in. |
203 to 229 mm |
Maximum Flow Ratę |
230 gpm |
1,045 Ipm |
375 gpm |
1,363 Ipm |
Core Size |
2-5/8 in. |
67 mm |
4 in. |
101.6 mm |
Minimum Unit Length |
30 ft |
9.14 m |
30 ft |
9.14 m |
Core Barrel Type |
HDT 4-3/4 |
HDT 4-3/4 |
HDT 6-3/4 |
HDT 6-3/4 |
OUTER ASSEMBLY |
IMPERIAL |
METRIC |
IMPERIAL |
METRIC |
Top Connection (Box-API) |
3-1/2 IF |
3-1/2 IF |
4-1/2 IF |
4-1/2 IF |
Minimum Unit Length |
30 ft |
9.14 m |
30 ft |
9.14 m |
Outer Barrel (OD x ID) |
4-3/4 x 3-3/4 in. |
121 x 95.3 mm |
6-3/4 x 5-3/8 in. |
171.5 x 136.5 mm |
Pulling Capacity * |
246,000 Ibs |
111 T |
506,000 Ibs |
228 T |
Maximum Torque ** |
14,800 ft-lbs |
2,000 daNm |
39,000 ft-lbs |
5,300 daNm |
Make-upTorque *** |
9,600 ft-lbs |
1,300 daNm |
25,800 ft-lbs |
3,500 daNm |
INNER TUBĘ ASSEMBLY |
IMPERIAL |
METRIC |
IMPERIAL |
METRIC |
Minimum Unit Length |
30 ft |
9.14 m |
30 ft |
9.14 m |
Maximum OD |
3-3/8 in. |
89 mm |
4-3/4 in. |
134.0 mm |
Bali Size |
1.0 in. |
25.4 mm |
1-1/4 in. |
17.5 mm |
Steel Inner Tubę (OD x ID) |
3-3/8 x 2-7/8 in. |
85.7 x 73 mm |
4-3/4 x 4-1/4 in. |
120.7 x 108 mm |
Slick Alum. Inner Tubę (OD x ID |
3-3/8 x 2-7/8 in. |
85.7 x 73 mm |
4-3/4 x 4-1/4 in. |
120.7 x 108 mm |
Fluted Alum. Inner Tubę (OD x ID) 3-3/8 x 2-13/16 in. |
86.1 x 69.9 mm |
4-3/4 x 4-1/8 in. |
121.1x104.8 mm | |
Fiber Inner Tubę (OD x ID) |
3-1/4 x 2-7/8 in. |
82.6 x 73 mm |
4-3/4 x 4-1/4 in. |
120.4 x 108 mm |