20ft Api Oil Core Barrel For Oil Core Drilling
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20ft Api Oil Core Barrel For Oil Core Drilling
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Features
Basic Infomation
Place of Origin: China
Brand Name: ROSCHEN
Certification: API
Model Number: 7 inch
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Api Oil Core Barrel

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20ft Oil Core Barrel

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20ft Core Barrel

Payment & Shipping Terms
Packaging Details: wooden box
Delivery Time: 10 days
Supply Ability: 2000PCS/M
Specifications
Product Description

Advanced oil Core Barrel Technology 

 

ROSCHEN identified Core Barrel Technology and seized the opportunity to develop a pioneering new coring system. This new innovative coring system, utilizing improved materials technology, has set and maintained benchmark standards for coring in the petroleum industry.

 

The ROSCHEN coring concept has been specifically designed to enable the retrieval of longer, higher quality cores. The new system features four primary benefits:

 

1. faster rates of penetration

2. less incidence of core jamming

3. increased reliability

4. improved core quality

 

ROSCHEN believes that correct stabilization is one of the most important factors governing a successful coring operation. Without the outer barrel properly stabilized, bending within the well bore is imminent. ROSCHEN researched the positioning of its stabilizers and determined that optimal stabilization could be achieved using core barrels in 20 ft stabilized sections. For high angle and horizontal holes, a stabilizer can be placed midway in the lower section, giving three stabilizers within the bottom 20 ft.

 

Benefits

 

 

  1. Transfer of power through core-barrel to core-head without losses due to buckling

  2. Higher torsion and tensile strengths than any alternative systems in the market place

  3. Stabilizers positioned at 20ft intervals improve hole gauge and concentricity

  4. ROSCHEN Tandem and Extended Tandem Assemblies promote increased success in high angled wells

Size (in) 4 3/4 X 2 9/16 5 3/4 X 3 1/2 7 1/8 X 4 8 5/8 X 5 1/4 9 1/2 X 5 1/4
Thread Type   ROS-HD        
Rec. Hole Size (in) 5 3/4-6 1/2 6 1/2-8 8- 9 1/4 9 1/4-11 11-12 1/4
Core Size (in) 2 9/16 3 1/2 4 5 1/4 5 1/4
Top Connection   3 1/2 IF 4 1/2 FH 4 1/2 IF 6 5/8 REG 6 5/8 REG
Outer Tube (in) 4 3/4 X 3 3/4 5 3/4 X 4 5/8 7 1/8 X 5 5/8 8 5/8 X 7 9 1/2 X 7
Unit Length (ft) 20 20 20 20 20
Puling Capacity (Ibs) 300000 515000 860000 960000 1550000
Make-Up Torque (ft Ibs) 7500 9500 30000 35000 45000
Max. Torque (ft Ibs) 25000 35000 70000 75000 120000

 

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