Home   |    Favorite   |   Contact
Shaanxi Senwell Drilling Equipment Co., Ltd
Jenny(General manager)
Tel:0086-29-85370919
Fax:0086-29-85370919
E-mail:Jennysaless@vip.163.com
                sales@oiltoolsdp.com
Website:Http://www.oiltoolsdp.com
 

Kelly

Kelly basic infomation

Catalog: Drill Stem Tools
Keywords: Kelly
Tel: 0086-29-85370919
Fax: 0086-29-85370919
E-mail: Jennysaless@vip.163.com
Kelly basic infomation

Kelly
Usage: Kelly is driving section of whole drill stem. Kelly are made from AISI 4145H-4145H Mod. alloy bars that are quenched and tempered full length, which up to 16meter long. A hardness range of 285 to 341 BHN and a minimum impact value of 54Joules as per ASTM A370 are maintained one inch below the surface at room temperature. All ends and center drive sections trepanned to provide true bores. They are drifted to API specifications, and all connections are phosphate-coated with an API thread compound.

It is integral, not weld

Material: AISI 4145H-4145H Mod.

Standard: According to API Spec7-1 standard.

Type: Square Kelly and Hexagonal Kelly

Detail Specification

Kelly Size

Length of Drive Section mm

Length Overall   mm

Drive Section

mm

in

Standard  LD mm

Optional LD mm

Standard

L mm

Optional L

Across Flats DFL

Across Corners EC

Across Corners DCC

Radius RC

Radius RC

Min. Wall ECC. Boret

63.5

2 1/2

11280

 

12190

 

63.5

83.3

82.55

7.9

41.3

11.43

76.2

3

11280

 

12190

 

76.2

100.0

98.43

9.5

49.2

11.43

88.9

3 1/2

11280

 

12190

 

88.9

115.1

112.70

12.7

56.4

11.43

108.0

4 1/4

11280

15540

12190

16460

108.0

141.3

139.70

12.7

69.9

12.07

108.0

4 1/4

11280

15540

12190

16460

108.0

141.3

139.70

12.7

69.9

12.07

133.4

5 1/4

11280

15540

12190

16460

133.4

175.4

171.45

15.9

85.7

15.88

133.4

5 1/4

11280

15540

12190

16460

133.4

175.4

171.45

15.9

85.7

15.88

 

Kelly Size

Upper Box Connection

Lower Pin Connection

Size and style LH

Outside Diameter

Bevel Diameter

Size and Style

Outside Dia.r

Length

Bevel Dia. DF

Inside

Dia.

mm

in

Standard

Optional

Standard DU

Optional DU

LU

DF

DF

DLR

LL

63.5

2 1/2

(6 5/8) REG

(4 1/2) REG

196.9

146.1

406.4

186.1

134.5

NC26 (23/8IF)

85.7

508

82.9

31.8

76.2

(3)

(6 5/8) REG

(4 1/2) REG

196.9

146.1

406.4

186.1

134.5

NC31 (27/8IF)

104.8

508

100.4

44.5

88.9

3 1/2

(6 5/8) REG

(4 1/2) REG

196.9

146.1

406.4

186.1

134.5

NC38 (31/2IF)

120.7

508

116.3

57.2

108.0

4 1/4

(6 5/8) REG

(4 1/2) REG

196.9

146.1

406.4

186.1

134.5

NC46 (4IF)

158.8

508

145.3

71.4

108.0

4 1/4

(6 5/8) REG

(4 1/2) REG

196.9

146.1

406.4

186.1

134.5

NC50 (41/2IF)

161.9

508

154.0

71.4

133.4

5 1/4

(6 5/8) REG

 

196.9

 

406.4

186.1

 

5 1/2FH

177.8

508

170.7

82.6

133.4

5 1/4

(6 5/8) REG

 

196.9

 

406.4

186.1

 

NC56

177.8

508

171.1

82.6

Specification of Hexagonal Kelly (in)

Kelly Size

Length of Drive Section mm

Length Overall mm

Drive Section

mm

in

Standard  LD mm

Optional LD mm

Standard

L mm

Optional L

Across Flats DFL

Across Corners EC

Across Corners DCC

Radius RC

Radius RC

Min. Wall ECC. Boret

76.2

3

11280

 

12190

 

76.2

85.7

85.73

6.4

42.9

12.1

88.9

3 1/2

11280

 

12190

 

88.9

100.8

100.00

6.4

50.0

13.3

108.0

4 1/4

11280

15540

12190

16460

108.0

122.2

121.44

9.9

60.7

15.9

133.4

5 1/4

11280

15540

12190

16460

133.4

151.6

149.86

9.5

75.0

15.9

133.4

5 1/4

11280

15540

12190

16460

133.4

151.6

149.86

9.5

75.0

15.9

152.4

6

11280

15540

12190

16460

152.4

173.0

173.02

9.5

86.5

15.9

152.4

6

11280

15540

12190

16460

152.4

173.0

173.02

9.5

86.5

15.9

 

Kelly Size

Upper Box Connection

Lower Pin Connection

Size and style LH

Outside Dia.

Bevel Diameter

Size and Style

Outside Dia.

Length

Bevel Dia. DF

Inside

Dia.

mm

in

Standard

Optional

Standard DU

Optional DU

LU

DF

DF

DLR

LL

76.2

3

(6 5/8) REG

(4 1/2) REG

196.9

146.1

406.4

186.1

134.5

NC26  (2 3/8IF)

85.7

508

82.9

31.8

88.9

3 1/2

(6 5/8) REG

(4 1/2) REG

196.9

146.1

406.4

186.1

134.5

NC31  (2 7/8IF)

104.8

508

100.4

44.5

108.0

4 1/4

(6 5/8) REG

(4 1/2) REG

196.9

146.1

406.4

186.1

134.5

NC38  (3 1/2IF)

120.7

508

116.3

57.2

133.4

5 1/4

(6 5/8) REG

 

196.9

 

406.4

186.1

 

NC46 (4IF)

158.8

508

145.3

71.4

133.4

5 1/4

(6 5/8) REG

 

196.9

 

406.4

186.1

 

NC50  (4 1/2IF)

161.9

508

154.0

71.4

152.4

6

(6 5/8) REG

 

196.9

 

406.4

186.1

 

5 1/2 FH

177.8

508

170.7

82.6

152.4

6

(6 5/8) REG

 

196.9

 

406.4

186.1

 

NC56

177.8

508

171.1

82.6

 

Shaanxi Senwell Drilling Equipment Co.,Ltd    Jenny (General Manager)
Tel:0086-29-85370919     Fax:0086-29-85370919
Email:Jennysaless@vip.163.com     sales@oiltoolsdp.com
Forging and Casting (4)
Drill Stem Tools (31)
Stabilizer (6)
Subs (8)
Valves (4)
New Products (4)
Non-Magnetic Products (5)
Core Tools (1)
Drill Bits (4)
Fishing Tools (27)
Mill Tools (13)
Cementing Tools (17)
Cement Head (3)
Stage Cementer (5)
Centralizer and Stop Collar (4)
Float Collar & Float Shoe (1)
Casing & Drill Pipe Protector (1)
Cementing Truck (1)
Liner Hanger (2)
Accessory Tools (4)
Wellhead Tools (12)
Rotary Slips (6)
Downhole Tools (10)
Downhole Motor (1)
Jar tools (9)
Oil Mining Equipment (27)
Casing Head (1)
Tubing Head (1)
Christmas Tree (6)
Sucker Rod (3)
Sucker Rod Pump (4)
Pumping Unit (9)
Other Pump (3)
Drill Equipments (28)
Truck-mounted Rig (5)
Rig Component (10)
Solid Control System (6)
Workover Rig (7)
Well Control System (14)
BOP (5)
Valve (3)
Hose (3)
Choke and Kill Manifold (3)
Pipe Series (21)
Casing (2)
Line Pipe (1)
Vessel,Boiler and Other pipe (14)
Petrochemical Pipe (2)
Tubing (2)