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Coring Tools

Short Description:

The coring tool is designed according to the characteristics of the US 250 coring tool, combined with the domestic conventional coring and material processing conditions, and new conventional coring tools designed for use in the field with existing problems. 40CrMnMo high quality steel is preferred for outer tube. It can be used for well depth up to 7000 meters, and the inner cylinder can be used for disposable glass cylinder.


Product Detail

Product Tags

We pursue the management tenet of “Quality is top-quality, Company is supreme, Status is first”, and will sincerely create and share success with all shoppers for Coring Tools, We look forward to determine a long-term organization marriage with your esteem co-operation.
We pursue the management tenet of “Quality is top-quality, Company is supreme, Status is first”, and will sincerely create and share success with all shoppers for China manufacturer, China supplier, Coring tools, Downhole Tools, With the goal of “zero defect”. To care for the environment, and social returns, care employee social responsibility as own duty. We welcome friends from all over the world to visit and guide us so that we can achieve the win-win goal together.
The coring tool is designed according to the characteristics of the US 250 coring tool, combined with the domestic conventional coring and material processing conditions, and new conventional coring tools designed for use in the field with existing problems. 40CrMnMo high quality steel is preferred for outer tube. It can be used for well depth up to 7000 meters, and the inner cylinder can be used for disposable glass cylinder.

Coring Parameters

bit pressure(KN)

RPM(r/min)

pumping pressure(MPa)

CC(L/S))

40~60

80~120

6~10

25~35

Technology Characteristics:

1. The threaded joint has an open elastic ring.

2. Rotating suspension assemblies have two reverse buckles and caps to prevent steel-flue tripping.

3. There are adjuster to guarantee 1mm coaxiality between inner barrel and coring bit.

4. Formation-keeping inner barrel and composite core catcher cutting coring device can gurantee the shallow stratum coring and soft broken stratum boring.

5. This tool should have a good performance in inclined well coring.

7. High strength material can guarantee the safety and reliability in 7000m coring.

Conventional deep well anti-back button c

ore tool series

Model

180-124

172-121

168-121

133-89

127-89

121-89

141-89

OD

Φ180×144

(Φ172×144)

Φ172×136

Φ168×146

Φ133×101

Φ127×108

Φ121×100

Φ141×119

ID

Φ124×108

Φ121×107

Φ121×107

Φ89×76

Φ89×76

Φ89×81

Φ89×81

Core diameter

Φ100

Φ100

Φ100

Φ70

Φ70

Φ70

Φ70

Coring length

9m and u18m

9m and u18m

9m and u18m

9m

9m

9m

9m and u18m

Adjuster OD

Φ198-Φ213

Φ198-Φ213

Φ184

Φ149

Φ149

Φ139

Φ1494

Shackle type

NC50

NC50

NC46

NC38

NC38

NC38

NC38

Coring bit size

Φ200

Φ215.4

Φ200

Φ215.4

Φ187

-Φ200

Φ152

Φ142

Φ152

Φ142

Φ152

Remarks

40CrNiMo

Outer barrel

40CrNiMo

Special custom made for inner and outer barrel

6 5/8

drill stem

Φ142

(No adjuster)

Special custom made for inner and outer barrel

5 9/16

Drill stem

 

45


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