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| 起源の場所 | 中国 |
| ブランド名 | ROSCHEN |
| 証明 | ISO |
| モデル番号 | 5¾ "x3½" |
5 ¾" x 3 ½" core barrel coring system for 120 ft and core bits 6 1/8 inch OD for oil field Coring services
5 ¾" x 3 ½" coring system for 120 ft and core bits 6 1/8inch OD for oil field drilling
Coring services
Reduce economic risk with superior coring technology
Premium Core Barrels
Offshore or onshore, conventional or wireline retrievable, Roschen Core Barrels are the strongest and most versatile core barrels in the industry. Why is this important? When you are running a long core barrel, you need a connection that you can depend on while developing the largest core possible. You need the flexibility to switch from conventional to wireline retrievable without sacrificing technology.
| Oil Core Barrels Specifications | |||||
| Core barrel size | ROSCHEN 400 (105mm) | ROSCHEN 500 (127mm) | ROSCHEN 525 (133mm) | ROSCHEN 650 (165mm) | ROSCHEN 700 (178mm) |
| Hole Size | 6-1/8" - 7 1/2" (156 mm to 191 mm) | 5 1/2" - 6 1/4" (140mm to 159 mm) | 6 1/8" - 6 3/4" (156 mm to 171 mm) | 7 7/8" - 9 7/8" (200 mm to 251 mm) | 8 1/2" - 9 7/8" (216 mm - 251 mm) |
| Core Diameter | 3.00" (76 mm) | 3.00" (76 mm) | 3.5" (89 mm) | 4.0" (102 mm) | 7" (178 mm) |
| Connection | 3 1/2" IF | 3 1/2" IF | 3 1/2" IF | 4 1/2" IF | 4 1/2" IF |
| Length | 30 ft. Increments (9 m increments) | 30 ft. Increments (9 m increments) | 30 ft. Increments (9 m increments) | 30 ft. Increments (9 m increments) | 30 ft. Increments (9 m increments) |
| Make-Up Torque | 7,900 ft-lbs (10,711 Nm) | 8,600 ft-lbs (11,660 Nm) | 10,000 ft-lbs (13,558 Nm) | 32,000 ft-lbs (43,386 Nm) | 30,000 ft-lbs (40,675 Nm) |
| Max weight-on-Bit | 13,000 lbs (5783 daN) | 15,000 lbs (6672 daN) | 24,000 lbs (10,675 daN) | 24,000 lbs (10,675 daN) | 24,000 lbs (10,675 daN) |
| Max Fluid Flow | 250 GPM (946 L/min) | 230 GPM (871 L/min) | 660 GPM (2498 L/min) | 1250 GPM (4732 L/min) | 400 GPM (1514 L/min) |
| Mad Dogleg Severity | Consult your Coring Service professional | ||||
| Notice: | |||||
| 30 ft, 60ft, 120ft length of core barrel is available. | |||||
| Any other special size of core barrel against requirements. | |||||
Tool Applications
. Standard conventional coring
. Deepwater long barrel coring
. Motor/Directional Coring
Features and Benefits
. High-strength, double-shouldered threads
. Highest tensile and torsional strengths
. Fast makeup
. Reduced risk of thread damage
. Integrated quick lead setting top sub
