API Drilling Collar of Downhole Drilling Equipment

Model: API KINGWELL 7-1 11" drilling collar 005
Place of Origin: Shaanxi,China (Mainland)
Standard: API Spec 7-1
Material: AISI 4145H Modified Alloy steel
Type: Drilling Tool
Size: 8-1/4"
Place of Origin: China
Packaging: bundling or loose
Delivery Port: Tianjin Port or Shanghai Port
Payment terms: T/T, L/C
Brank Name: KW
Supply Ability: 1000 sets per month

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Product Description

Payment & Shipping Terms Supply Capacity
Unit Price:10.0 USDProduction Capacity:1000 set per month
Trade Term:FOB,CFR,CIF,DDP,DAP,CIP,CPT,FCA,EXWPacking:EXPORT PACKAGES
Payment Terms:L/C, D/P, D/A, T/TDelivery Date:30 days after received...
Min. Order:1 Piece/Pieces
Means of Transport:Ocean, Air, Land

API Drilling Collar of Downhole Drilling Equipment 

1. Quick detail:

A. Material:AISI 4145H Modified Alloy steel, Non-mag Material
B. Size: 3-1/8"-11"

C. Inspection&Test: When producing, traceability are maintained from the receipt of raw material to completion of final products, and serial numbers are die-stamped on each workpiece body. During each manufacturing process, inspection and test are performed.

D. Main Market:Middle East, North America, Europe

E. Export Percentage: 95%

F. Supply Ability: 1000 sets per month


2. Goods Description:
Drill collars are manufactured strictly according to API Spec7-1 standard with material of AISI 4145 Mod. Kingwell supplies slick drill collars, spiral drill collars and non-magnetic drill collars etc. The size of drill collar Kingwell is from 3-1/8 to 11 inches. Besides models listed in the table below, other drill collars at customers' specific request can be available. 


API Drilling Collar Detail:



3. Drilling Collar Technical parameter

Drill Collar Model

D

d

L(mm)

DF(mm)

Bending Strength ratio

Drill Collar
Nominal size

mm

In

mm

in

QW-DC3-1/8

79.4

3-1/8

31.8

1-1/2

9,150

76.2

2.57:1

NC23-31

QW-DC 3-1/2

88.9

3-1/2

38.1

1-1/2

9,150

82.9

2.42:1

NC26-35(2-3/8IF)

QW-DC 4-1/8

104.8

4-1/8

50.8

2

9,150

100.4

2.43:1

NC31-41(2-7/8IF)

QW-DC 4-3/4

120.7

4-3/4

50.8

2

9,150

114.7

2.58:1

NC35-47

QW-DC 5

127

5

57.2

2-1/4

9,150

121

2.38:1

NC38-50(3-1/2IF)

QW-DC 6A

152.4

6

57.2

2-1/4

9,150/9,450

144.5

2.49:1

NC44-60

QW-DC 6B

152.4

6

71.4

2-13/16

9,150/9450

144.5

2.84:1

NC44-60

QW-DC 6-1/4A

158.8

6-1/4

57.2

2-1/4

9,150/9,450

149.2

2.91:1

NC44-62

QW-DC 6-1/4B

158.8

6-1/4

71.4

2-13/16

9,150/9,450

150

2.63:1

NC46-62(4IF)

QW-DC 6-1/2A

165.1

6-1/2

57.2

2-1/4

9,150/9,450

154.8

2.76:1

NC46-65(4IF)

QW-DC 6-1/2B

165.1

6-1/2

71.4

2-13/16

9,150/9,450

154.8

3.05:1

NC46-65(4IF)

QW-DC 6-3/4A

171.4

6-3/4

57.2

2-1/4

9,150/9,450

159.5

3.18:1

NC46-67(4IF)

QW-DC 6-3/4B

171.4

6-3/4

71.4

2-13/16

9,150/9,450

159.5

2.37:1

NC50-67(4-1/2IF)

QW-DC 7A

177.8

7

57.2

2-1/4

9,150/9,450

164.7

2.54:1

NC50-70(4-1/2IF)

QW-DC 7B

177.8

7

71.4

2-13/16

9,150/9,450

164.7

2.73:1

NC50-70(4-1/2IF)

QW-DC 7-1/4

184.2

7-1/4

71.4

2-13/16

9,150/9,450

169.5

3.12:1

NC50-72(4-1/2IF)

QW-DC 7-3/4

196.8

7-3/4

71.4

2-13/16

9,150/9,450

185.3

2.70:1

NC56-77

QW-DC 8

203.2

8

71.4

2-13/16

9,150/9,450

190.1

3.02:1

NC56-80

QW-DC 8-1/4

209.6

8-1/4

71.4

2-13/16

9,150/9,450

195.7

2.93:1

6-5/8REG

QW-DC 9

228.6

9

71.4

2-13/16

9,150/9,450

212.7

3.17:1

NC61-90

QW-DC 9-1/2

241.3

9-1/2

76.2

3

9,150/9,450

223.8

2.81:1

7-5/8REG

QW-DC 9-3/4

247.6

9-3/4

76.2

3

9,150/9,450

232.6

2.57:1

NC70-97

QW-DC 10

254

10

76.2

3

9,150/9,450

237.3

2.81:1

NC70-100

QW-DC 11

279.4

11

76.2

3

9,150/9,450

266.7

2.84:1

8-5/8 REG




Xi'an Kingwell Oilfield Machinery Co.,Ltd is a highly reputable supplier for oilfield equipment and services to Oil & Gas industries and provide complete solutions.

With over 10 years developing, we were developed from the beginning drilling service to manufacture factory who produce OCTG, DST tools and Solid Control products.

KINGWELL have experienced team, stronger enough to meet any challenge, we do believe honest is the base of business and cooperation, our aim is to build solid relationship with any part of honest. kingwell can provide highly efficient services to its clients resulting in accurate and timely deliveries at the best prices.
It is a professional supplier for oilfield products according to the API standard. We exporting ALL KINDS OF OILFIELD MACHINERY AND TOOLS with super Quality and Competitive Price in CHINA.   


Qualification:

Kingwell Workshop:



Category: Drill Pipe/HWDP/Drill Collar

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