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Quick Details

Use: Well Drilling
Certification: API
Machine Type: Drilling Tool
Model Number: API SPEC 7-1
Brand Name: KINGWELL
Place of Origin: China (Mainland)
Standard: API 7-1 Spec
Steel Grade: 4145H
Processing Type: Heavy Weight Drill Pipe
Coating: Black painting / Vanish painting / 1PE/ 3PE/ FBE coated
Marking: According to standard or according the client

Specifications

HWDP of offshore oil & gas petroleum equipment


HWDP:

1. Size: 2-3/8"-6-5/8"

2. Standard: API 7K

3. Steel Grade: 4145H

4. Supply Ability: 500sets per month

5. Place of Origin: China

6. Machine Type: Drilling Equipment

7. MOQ: 10 sets

8. Marking: According to standard or according the client's requirement

9. Packing: In bundles or Loose

XI'AN KINGWELL OILFIELD MACHINERY CO.,LTD. heavy weight drill pipe is the industry standard for an intermediate weight drill stem member, and is available in standard or spiral designs, making it useful in a number of applications. It shares its dimensions with standard drill pipe for easier handling. Our heavy weight drill pipe carries a unique center upset or wear pad to increase tube life while reducing hole drag and differential sticking problems.

All tool joints exceed API requirements, and all threading is performed in accordance with API Spec 7. Our hardbanding is applied based on our customers specifications and requirements. Tungsten carbide and casing-friendly hardbanding options are also available upon request.



HWDP
Nominal Size(in)

Pipe Body

Tool Joint

Weight

D (mm)

d (mm)

Upset Dimension

RSC Type

DJ (mm)

I.D. (mm)

HSC Bevel DF(mm)

Kg/Pc

Center Dia. DM(mm)

End Dia. DTE(mm)

3-1/2

88.9

57.4

101.6

98.4

NC38

127

52.4

116.3

312

3-1/2

88.9

57.2

101.6

98.4

NC38

127

57.2

116.3

282

4

101.6

65.1

114.3

106.4

NC40

133.4

65.1

127.4

370

4-1/2

114.3

69.9

127

119.1

NC46

158.8

69.9

145.3

558

5

127

76.2

139.7

130.2

NC50

168.3

76.2

154

672

5-1/2

139.7

92.1

152.4

144.5

5-1/2FH

184.2

92.1

170.7

776

6-5/8

168.3

114.3

184.2

176.2

6-5/8FH

203.2

144.3

195.7

964


Features and Options

? API Stress Relief Features (SRF)

The pin stress relief groove and box boreback features increase connection flexibility and reduce stress concentration, thereby reducing the frequency of fatigue failures.

? Phosphate Coating

All drill pipe connections are coated with a durable phosphate coating that inhibits corrosion resistance, and prevents shoulder and thread galling.

? Internal Plastic Coating

An internal plastic coating option is available upon request.

? Hardbanding

Various optional hardbanding materials are available and applied either flush or raised to the tool joint surface to meet your individual needs.