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industrial Drilling Stabilizer Lifting Subs for Petroleum / Natural Gas Industry
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industrial Drilling Stabilizer Lifting Subs for Petroleum / Natural Gas Industry

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Drilling Stabilizer Lifting Subs for Oil Drilling Equipment Petroleum, Natural Gas Industry
 

Applications:

Lifting sub is a special tool for lifting of the drill tools in petroleum, natural gas industry and geologic exploration. It is a short drill pipe, used to trip up in drill collars when the collars of threads to hang card can be started drilling down. All threads are phosphated, copperized or cold worked. 


Description:

Lifting sub is a special tool for lifting of the drill tools in petroleum, natural gas industry and geologic exploration.

Have better mechanical properties, grain size and metallurgical structure higher than API Spec 7-1 standard, according to a special heat treatment process the product’s hardness, strength, impact performance can be ensured. Wear layers mosaic cylindrical carbide has high-strength and durable resistance point.


Specifications:

1. Material: 4145H, 4145HMod, 40CrMnMo, etc.

2. UT: ASTM A388

Standard size for lifting subs

No

Basic size D±0.08 (1/32) mm(in)

I.D. d/mm

Pin connection

Lifting end

Thread Type

O.D. D±0.08(1/32) mm(in)

Bevel Diameter DF/mm

Tongs Space Length LPB/mm

O.D. DB±0.08 mm

Elevator bevel root radius RSE±0.04mm

Tongs Space Length LB/mm

1

73.0 (2 7/8)

31.8

NC23

79.4 (3 1/8)

76.2

250.0

111.1

4.8

100.0

2

44.5

NC26 (2 3/8)

88.9 (3 1/2)

82.9

3

88.9 (3 1/2)

54.0

NC31 (2 7/8)

104.8 (4 1/8)

100.4

127.0

4

50.8

NC35

120.7 (4 3/4)

114.7

5

68.3

NC3

(3 1/2IF)

127.0 (5)

121.0

6

127.0(5)

71.4

NC44

152.4 (6)

144.5

168.3

6.4

7

158.8 (6 1/4)

149.2

8

82.6

95.3

NC46 (4IF)

158.8 (6 1/4)

150.0

9

165.1 (6 1/2)

154.8

10

171.5 (6 3/4)

159.5

11

NC50 (4 1/2IF)

177.8 (7)

164.7

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Mr. Frank li
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Jiyuan City Kunyuan Forging Co., Ltd
Huling,Chengliu Town, Jiyuan, Henan, China (Mainland)
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