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Beijing Ocean Renda Petroleum Equipment Co., Ltd.  

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You are here: home  > API Square Drilling Rig Kelly / AISI 4145H Alloy Kelly Bar Drilling Equipment

API Square Drilling Rig Kelly / AISI 4145H Alloy Kelly Bar Drilling Equipment 

Place of Origin: Guangdong, China (Mainland) 
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Product Detail

Model No.: AIA-1

API square Kelly for oilfield using , Drilling String e

API square Kelly for oilfield using , Drilling String equipment
 
Description:
 
Beijing Ocean Renda's square drill kelly are made from AISI 4145H alloy bars that are quenched and tempered full length. A hardness range of 285 to 341 BHM and a minimum impact value of 54 Joules as per ASTM A 370 are maintained one inch bellow the surface at room temperature. To improve resistance to galling, all connections are phosphate-coated with an API thread compond. Each bar used to manufacture kellys has been examined with magnetic partice inspections and ultrsonic inspections.
 
Specifications:

Kelly size

63.5

76.2

88.9

108

108

133.4

133.4

2 1/2

3

3 1/2

4 1/4

4 1/4

5 1/4

5 1/4

Lengthdrive 
Section

LD Standard

11280

11280

11280

11280

11280

11280

11280

LD optional

     

15540

15540

15540

15540

Lengthoverall

L Standard

12190

12190

12190

12190

12190

12190

12190

L optional

     

16460

16460

16460

16460

Length Drive
Section

DFL Across flate

63.5

76.2

88.9

108

108

133.4

133.4

DC Across cornere

83.3

100

115.1

141.3

141.3

175.4

175.4

DCC Across flate

82.55

98.43

122.7

139.7

139.7

171.45

171.45

RC Radlue

7.9

9.5

12.7

12.7

12.7

15.9

15.9

RCC Radlue

41.3

49.2

56.4

69.9

69.9

85.7

85.7

Wall thickness 
eccentric bore

11.43

11.43

11.43

12.07

12.07

15.88

15.88

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

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

146.1

146.1

   

Bevel 
diameter

Lu

406.4

406.4

406.4

406.4

406.4

406.4

406.4

DFStandard

186.1

186.1

186.1

186.1

186.1

186.1

186.1

DFOptional

134.5

134.5

134.5

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Tel: 86-10-84828178
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Company Info

Beijing Ocean Renda Petroleum Equipment Co., Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Beijing
Province/State: Beijing
Country/Region: China (Mainland)

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