Derun spiral drill collar

Payment Terms: T/T,L/C
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Basic Info.
  • Brand Name: Derun 
  • spiral drill collar: non-magnetic drillc ollar 
  • Place of Origin: Beijing  
  • Means of Transport: Ocean, Land
Supply Capacity
  • Production Capacity: 1
  • Packing:iron shelf

Technical Specifications and Parameters

O.D.

Cutting depth

Lead ±25.4

(mm)

(in)

A(mm)

B(mm)

(mm)

86

3 3/8

3.5±0.79


679

98.4

3 7/8

4.0±0.79


914

101.6~111.1

4~4 1/8

4.8±0.79


914

114.3~130.2

4 1/2~5 1/8

5.6±0.79


965

133.4~146.1

5 1/4~5 3/4

6.4±0.79


1067

149.2~161.9

5 7/8~6 3/8

7.1±1.59


1067

165.1~177.8

6 1/2~7

7.9±1.59


1168

181.0~200.0

7 1/8~7 7/8

8.7±1.59

5.6±0.79

1626

203.2~225.4

8~8 7/8

9.5±1.59

6.4±0.79

1727

228.6~250.8

9~9 7/8

10.3±2.37

7.1±1.59

1829

254.0~276.2

10~10 7/8

11.1±2.37

7.9±1.59

1930

279.4

11

11.9±2.37

8.7±1.59

2032

 



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Luhai Energy Co.,Ltd
Room 2101, Building 1, No 6 Shuguang Xili, Chaoyang Dist., Beijing, China (Mainland)
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