api 7-1 spiral drill collar in api spec 7

api 7-1 spiral drill collar in api spec 7

Model 4"-11" Mining Machinery Parts Shaanxi,China(Mainland) Ref 10317475

Price on request

Pricing is provided on request — use the quote form below.

Port
Tianjin Port
Minimum Order Quantity
20 Ton/Tons
Supply Ability
900 Ton/Tons per Month
Payment Terms
L/C,T/T,Western Union

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Product: api 7-1 spiral drill collar in api spec 7

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Key features

spiral drill collar·1.standard:API 7-1·2.OD:79.4mm-279.4mm·3.Certifactes: ISO ,API 7-1·4.Moq: 25 tons

Specifications

Place of Origin Shaanxi China (Mainland) Model Number 4"-11"
Type Drill Collar Machine Type Drilling Tool
Certification API Material Carbon Steel
Processing Type Forging Use Well Drilling
Details spiral drill collar · 1.standard:API 7-1 · 2.OD:79.4mm-279.4mm · 3.Certifactes: ISO ,API 7-1 · 4.Moq: 25 tons

Packaging & delivery

Packaging DetailIN bundle,All connections shall be equipped with pressed steel or plastic steel thread protectors.
Delivery DetailAccording to the order

Product description

spiral drill collar

1.standard:API7-1
2.OD:79.4mm-279.4mm
3.factory directly delivery
4.Moq: 25 tons

5.Certificates : ISO ,API 7-1

We are "Petrochina " subcompany

Descriptions:

Drill collars is one of the most important product of hexin oil drillings which mainly used to provide bit weight to drill so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. GANG GONGbrand drill collars are manufactured strictly from API Spec7-1 standard.

Type

OD(mm)

ID(mm)

L(m) ±152.4mm d

DF(mm) ±0.4

NC23-31

79.4

31.8

9.14

76.2

NC26-35

88.9

38.1

9.14

82.9

NC31-41

104.8

50.8

9.14or9.45

100.4

NC35-47

120.6

50.8

9.14or9.45

114.7

NC38-50

127

57.2

9.14or9.45

121

NC44-60

152.4

57.2

9.14or9.45

144.5

NC44-60

152.4

71.4

9.14or9.45

144.5

NC46-62

158.8

57.2

9.14or9.45

149.2

NC46-62

158.8

71.4

9.14or9.45

150

NC46-65

165.1

57.2

9.14or9.45

154.8

NC46-65

165.1

71.4

9.14or9.45

154.8

NC46-67

171.4

57.2

9.14or9.45

159.5

NC50-70

177.8

57.2

9.14or9.45

164.7

NC50-70

177.8

71.4

9.14or9.45

164.7

NC50-72

184.2

71.4

9.14or9.45

169.5

NC56-77

196.8

71.4

9.14or9.45

185.3

NC56-80

203.2

71.4

9.14or9.45

190.1

6-5/8REG

209.6

71.4

9.14or9.45

195.6

NC61-90

228.6

71.4

9.14or9.45

212.7

7-5/8REG

241.3

76.2

9.14or9.45

223.8

NC70-97

247.6

76.2

9.14or9.45

232.6

NC70-100

254

76.2

9.14or9.45

237.3

8-5/8REG

279.4

76.2

9.14or9.45

266.7

NC50-67

171.5

71.4

9.14or9.45

159.5

Certificates:

FAQ

What model is this machine?
The model number is 4"-11&quot.
What type of machine is it?
It is a Drill Collar.
What is it made of?
Material: Carbon Steel.
What certifications does it have?
Certification: API.

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