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[Copy] High quality Coring Tools

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Our company insists all along the quality policy of “product good quality is base of enterprise survival; buyer fulfillment will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff” and also the consistent purpose of “reputation very first, shopper first” for High quality Coring Tools, We’re prepared to present you with the most effective ideas over the designs of the orders in a qualified way for those who need. While in the meantime, we continue to keep on producing new technologies and building new designs so as to help make you ahead from the line of this small business.
Our company insists all along the quality policy of “product good quality is base of enterprise survival; buyer fulfillment will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff” and also the consistent purpose of “reputation very first, shopper first” for China coring tools suppler, Coring tools, coring tools suppler, High quality Coring Tools, The company has perfect management system and after-sales service system. We devote ourselves to building a pioneer in the filter industry. Our factory is willing to cooperate with different customers domestic and overseas to gain better and better future.
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


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