Drill Stem

  • Description
Product Detail

Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level drill stem manufacturers and suppliers, with professional factory, we are able to produce API and oilfield cross over sub, float valve, lifting sub, drill string stabilizer , welcome to contact us.

API Stabilizer/Centralizer in oilfield

Standard: API 7-1

Material: AISI 4145H and Non-magnetic

Type: Drill string stabilizer

         Near bit stabilizer


Specification of the oil well drilling stabilizer



Bit size /in

Working OD/mm

End OD of

 body /mm

ID /mm

Length /mm

Thread code on both ends

Drill string type Near bit type
TOP Down TOP Down

6

152.2

121

51

1200

NC38

3 1/2REG

6 1/4

158.7

6 1/2

165.1

7 1/2

190.5

159

57

1600

NC 46

4 1/2 REG

7 7/8

200

8 3/8

212.7

159

165

71

1600

1800

NC 46

NC 50

8 1/2

215.2

159

165

178

8 3/4

222.2

9 1/2

241.3

178

197

1600

NC50

9 5/8

244.5

1800 6 5/8 REG

9 7/8

250.8

12 1/4

311.2

203

209

76

1800

NC56

6 5/8 REG

6 5/8 REG

16

406

229

241.3

2000

2200

NC 61

7 5/8 REG

17 1/2

444.5

24

609.6

26

660.4

28

711.2



Drill pipe

Standard: API 7

Grade: E75, X95, G105, S135

Coating: TK34, TC2000, TC3000

Hard banding: ARNCO 100 XT, ARNCO 300XT

Length: R1/R2/R3


Drill collar:

Standard: API 7

Material: AISI 4145H and Non. Magnetic

OD: 3 1/8”- 11”

Length: 10’ - 31’


Crossover Sub/X-over Sub

Standard: API 7

Material: AISI 4145, AISI4140, AISI4130

Connection: IF, REG, EUE, CAS, ACME,NPT



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