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China OEM Hss Drill Bits - Coring Tools – LUQI

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China OEM Hss Drill Bits - Coring Tools – LUQI Detail:

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 core 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


Product detail pictures:

China OEM Hss Drill Bits - Coring Tools – LUQI detail pictures

China OEM Hss Drill Bits - Coring Tools – LUQI detail pictures


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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for China OEM Hss Drill Bits - Coring Tools – LUQI , The product will supply to all over the world, such as: South Africa, Croatia, India, Wide selection and fast delivery for you! Our philosophy: Good quality, great service, keep improving. We are looking forward that more and more oversea friends join in our family for further development near the future!
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    5 Stars By Belle from Porto - 2018.06.26 19:27
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