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Quick Details

Standard: API 7 Spec
Processing Type: Forging
fully heat- treated: hot forged
Size: 2-1/2"-6"
Box connection type: 6-5/8REG 4-1/2REG

Specifications


 

KINGWELL Kelly Features & Benefits:

 

Kelly is the drive part of whole drill string, it transmit the torsional energy from the rotary table to the bit in the bottom of the hole.

KINGWELL can produce square and hexagonal Kelly as per API standard.

 

Size: 2-1/2"-6"

Processing Type: Forging

Kelly type: square or hexagonal

Box connection type: 6 5/8 REG

Material:AISI 4142H-4145H forged or rolled alloy steel

 

KINGWELL Kelly Technical Data:

 

 

Kelly size

76.2

88.9

108

133.4

133.4

152.4

152.4

3

3 1/2

4 1/4

5 1/4

5 1/4

6  

6  

Length drive 
Section

LD Standard

11280

11280

11280

11280

11280

11280

11280

LD optional

 

 

15540

15540

15540

15540

15540

Length overall

L Standard

12190

12190

12190

12190

12190

12190

12190

L optional

 

 

16460

16460

16460

16460

16460

Length Drive
Section

DFL Across flate

76.2

88.9

108

133.4

133.4

152.4

152.4

DC Across cornere

85.7

100.8

122.2

151.6

175.4

173

173

DCC Across flate

85.73

100

121.44

149.86

171.45

173.02

173.02

RC Radlue

6.4

6.4

9.9

9.9

15.9

9.5

9.5

RCC Radlue

42.9

50

60.7

75

85.7

86.5

86.5

Wall thickness 
eccentric bore

12.1

13.3

15.9

15.9

15.88

15.9

15.9

Upper box
connection

Thread size
and style LF

Standard

6 5/8 REG

6 5/8 REG

6 5/8 REG

6 5/8 REG

6 5/8 REG

6 5/8 REG

6 5/8 REG

Optional

4 1/2 REG

4 1/2 REG

4 1/2 REG

 

 

 

 

OD

Du Standard

196.9

196.9

196.9

196.9

196.9

196.9

196.9

Du Optional

146.1

146.1

146.1

 

 

 

 

Bevel 
diameter

Lu

406.4

406.4

406.4

406.4

406.4

406.4

406.4

DF Standard

186.1

186.1

186.1

186.1

186.1

186.1

186.1

DF Optional

134.5

134.5

134.5

 

 

 

 

Lower pin
connection

Label

NC26

NC31

NC38

NC46

NC50

5 1/2 FH

NC56

Outsize diameter

85.7

104.8

120.7

158.8

161.9

177.8

177.8

LL

508

508

508

508

508

508

508

DF Bevel diameter

82.9

100.4

116.3

145.3

154

170.7

171.1

Inside diameter

31.8

44.5

57.2

71.4

71.4

82.6

82.6

 



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.