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Beijing Ocean Renda Petroleum Equipment Co., Ltd.
Beijing Ocean Renda Petroleum Equipment Co., Ltd.
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API Square Drilling Rig Kelly / AISI 4145H Alloy Kelly Bar Drilling Equipment

Beijing Ocean Renda Petroleum Equipment Co., Ltd.
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API Square Drilling Rig Kelly / AISI 4145H Alloy Kelly Bar Drilling Equipment

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Brand Name : Renda

Certification : API

Place of Origin : China

MOQ : 1

Payment Terms : L/C, D/A, D/P, T/T, Western Union

Supply Ability : Based on Detailed Order

Delivery Time : 10-15 working days

Packaging Details : Standard wooden export box

Material : Stainless Steel

Condition : New

Application : OIl field

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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

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



Product Tags:

oilfield drilling bits

      

kelly bar drilling equipment

      
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