Rugao Yaou Import & Export Trade Co., Ltd.
 Business Services > Design Services >  Spiral drill collar

Spiral drill collar

Type:
Drill Collar
Machine Type:
Drilling Equipment
Certification:
API
Material:
Carbon Steel
Processing Type:
Forging
Use:
Well Drilling
Spiral drill collar
 
Detailed Description
 


The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension.

The drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. drill collar are manufactured strictly from API Spec.7 and SY5144 standard...........

 

Drill Collar Number

O.D.

I.D.

mm

in

mm

in

NC23-31

79.4

3 1/8

31.8

1 1/2

NC26-35(2 3/8 IF)

88.9

3 1/2

38.1

1 1/2

NC31-41(2 7/8 IF)

104.8

4 1/8

50.8

2

NC35-47

120.6

4 3/4

50.8

2

NC38-50(3 1/2 IF)

127.0

5

57.2

2 1/4

NC44-60

152.4

6

57.2

2 1/4

NC44-60

152.4

6

71.4

2 13/16

NC44-62

158.8

6 1/4

57.2

2 1/4

NC46-62(4IF)

158.8

6 1/4

71.4

2 13/16

NC46-65(4IF)

165.1

6 1/2

57.2

2 1/4

NC46-65(4IF)

165.1

6 1/2

71.4

2 13/16

NC46-67(4IF)

171.4

6 3/4

57.2

2 1/4

N50-67(4 1/2 IF)

171.4

6 3/4

71.4

2 13/16

NC50-70(4 1/2 IF)

177.8

7

57.2

2 1/4

NC50-70(4 1/2 IF)

177.8

7

71.4

2 13/16

NC50-72(4 1/2 IF)

184.2

7 1/4

71.4

2 13/16

NC56-77

196.8

7 3/4

71.4

2 13/16

NC56-80

203.2

8

71.4

2 13/16

6 5/8 REG

209.6

8 1/4

71.4

2 13/16

NC61-90

228.6

9

71.4

2 13/16

7 5/8 REG

241.3

9 1/2

76.2

3

NC70-97

247.6

9 3/4

76.2

3

NC70-100

254

10

76.2

3

8 5/8 REG

279.4

11

76.2

3

 


We promise to offer you the right Drilling equipments with best price and best service!Of course , if you have some good ideas that you want us to develop or reproduced, please feel free to send us your product image or design artwork, we are also pleased to become your Original Equipment Manufacture.We not only promise the good quality but also stable quality . Customer no need usually change suppliers again!We are sincerely looking for your cooperation!


Company information:
    Rugao Yaou Import & Export Trade Co., Ltd. Was established in 2004 . We is an exporter of China (Mainland) General Industrial Equipment Processing Services products.    We have exported products to many other countries, such as North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe. We are especially strict with quality and after-sales service, take Win-Win policy as our highest target, and do our up most to provide products with best.    If you are interested in our products ,for more details, please feel free to contact us.We welcome you to visit our website at www.yaoutrade.com!
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Send Inquiry to this Supplier
 
Rugao Yaou Import & Export Trade Co., Ltd.
Mr. aihong Xue
Room 907 #13 Jinjiuhuafu Ninghai RD.
86-513-87635480
13813647142

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