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Beijing Ocean Renda Petroleum Equipment Co., Ltd.
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Heavy Weight Spiral Drill Collar Drilling Equipment For Oil And Gas API Standard

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Heavy Weight Spiral Drill Collar Drilling Equipment For Oil And Gas API Standard

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Brand Name : Renda

Certification : API

Place of Origin : China

MOQ : 1

Payment Terms : L/C, D/A, D/P, T/T, Western Union

Supply Ability : Based on Detailed Order

Delivery Time : 10-15 working days

Packaging Details : Standard wooden export box

Material : Stainless Steel

Condition : New

Application : Oilfield

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Spiral Grooved Drill Collar for oilfield using , Drilling String equipment

Description:

This type of drill collar is made of 4145H or 4145H modified alloy steel and has spiral grooves on the pipe body of drill collar. This will decrease the surface area contacted with the hole of the oil well, which will greatly reduces the probability of pressure differential detention occurring.

Specifications:

Grooved Drill Collar

OD Range (in)

4-4 3/8

4 1/2-5 1/8

5 1/4-6 3/8

6 1/2-7

7 1/8-7 7/8

8-8 7/8

9-9 7/8

Depth of cut (in)

6 2/3 ± 1/32

7/32 ± 1/32

1/4 ± 1/32

5/16 ± 1/16

11/32 ± 1/16

3/8 ± 1/16

13/32 ± 3/32

Spiral Pitch (in)

36 ± 1

38 ± 1

42 ± 1

42 ± 1

64 ± 1

68 ± 1

72 ± 1


Product Tags:

kelly bar drilling equipment

      

heavy weight drill pipe

      
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