Core Barrel Complete:

Product: Jet-type Reverse Circulation 75 size double tube core barrel.

Type: Double tube core barrel 

OD: 75.2mm

ID: 54.5mm

Length: 1.5m

Drill rig type: Reverse Circulation drilling rig machine.

Jet-type Reverse Circulation Double Tube Core Barrel Components:

Components:

1. Core Barrel Head

2. Inner Tube

3. Extension Tube

4. Core Lifter

5. Core Lifter Case

6. Outer Tube

7. Thread Protector

Jet-type Reverse Circulation Double Tube Core Barrel Working Principle:

Through jet-type reverse circulation setting, it can make a part of the sourcing fluid form a partial reverse circulation. The fluid goes through: bit bottom - core lifter - core lifter case - the annular interval between inner tube and core - core barrel head - the annular interval between inner tube and outer tube - bit bottom.

Jet-type Reverse Circulation Double Tube Core Barrel Application Range:

1. It is suitable for comparatively fractured formation. The reflowing of scouring fluid can absorb the fractured core into inner tube and maintain high percentage of core recovery.

2. Partial reverse circulation and the special design of the bit can decrease the scouring on the core.

3. The length of core barrel should not exceed 1.5meter. The roundtrip time is short as well as the time of scouring on the core.

Core Barrel Description:  

Core Barrel Picture:

Core Barrel Outer Tube:

Inner Tube Head Assembly:

Connect With Drill Rod:

Impregnated Diamond Core Bit:

Surface-set Diamond Reaming Shell:

Drill Rod:

Casing Pipe:

Foot Clamp:

Packaging & Shipping:

Packaging: In wooden case.

Shipping: Less than 2 set by express (DHL, UPS, TNT, FedEx, EMS) or by your choose.

                             Less than 5 set by Air or by your choose.

                             More than 10 set by Sea or by your choose.

 Payment:

Our Services:

Quality control system.

After-sale service.

Brand new & not used.

Product drawing and design.

24 hours service.

FAQ:

Q: What's your delivery time?

A: Commonly produce need 20 days to produce. Within 3 days if in stock.

Q: What methods of payment are accepted?

A: We agree T/T, L/C, West Union, One touch, Money Gram, Cash, Paypal.

Q: What about the shipment?

A: Based on order quantity and the length of core barrel. We can send it to you by Express, by Air, by Sea, and by Train. Or send the goods to your chinese agent.

Q: How to control the quality?

A: We should be checking & testing everyone set core barrel before shipment.

Q: Do you agree sample order?

A: Yes, we are welcome your sample order to testing our quality.

Q: Do you have after-sale service and warranty service?

A: Any quality or quantity problem once confirmed, we will be compensate you the same. Any question or problem we will be reply you within 24 hours.

Q: Can i trust your company?

A: Our company has been certificated by chinese government, and verified by Alibaba Trade Assurance, 100% refund of the Trade Assurance Amount. Alibaba can guarantee all of your payment, Just order from US!!!

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