• hot selling interlocking system kelly bar for drilling rigs
  • hot selling interlocking system kelly bar for drilling rigs

hot selling interlocking system kelly bar for drilling rigs

1.Light weight
2.High strength
3.Good abrasion resistance

Product Details

Quick Details Parameter

Place of Origin : Liaoning, China
Certification : API
Secondary Or Not : Non-secondary
Use : Well Drilling
kelly bar color : customized
usage : oilfield

Description

 
       The main function of the square kelly is to turn the rotation of the rotary table into the rotation of the whole drill string and the drilling bit, and the straturn breaking can be fulfilled, that is to transmit the torque and to bear the full weight of the drill string.

      PDM makes square or hexagonal kellies with the materials of AISI 4145H or AISI 4145HM alloy steel according to API Spec 7-1. Full-length heat treating, full-length and full-section ultrasonic testing and magnetic leaking detection assure the quality reliability of kellies.

      All square kellies manufactured by our company are provided with stamping steel thread protecting cap, and pipe packing can also be provided according to the client requirements.

 

Parameters

 

Four kelly

 

规格 Size 长度
Length Overall
(ft)
上部连接 Upper Box Connection 下部链接 内径Inside dia 驱动部分Drive Section 近似重量 Similar Weight
标准 Standardx 选用 Optional 标准 Standard 选用 Optional
A B 左旋扣型
Size and Style LH
OD C 左旋扣型
Size and Style LH
OD C 左旋扣型
Size and Style RH
OD D E F G
(in) (in) (in) (in) (in) (in)
2 1/2 40
46
37
43
6 5/8 REG 7 3/4 4 1/2 REG 5 3/4 NC 26
(2 3/8 IF)
3 3/8 1 1/4 3 1/4 2 1/2 410
465
360
420
3 40
46
37
43
6 5/8 REG 7 3/4 4 1/2 REG 5 3/4 NC 26
(2 3/8 IF)
4 1/8 1 3/4 3 7/8 3 495
560
450
515
3 1/2 40
46
54
37
43
51
6 5/8 REG 7 3/4 4 1/2 REG 5 3/4 NC 26
(2 3/8 IF)
4 3/4 2 1/4 4 3/7 3 1/2 600
670
780
555
630
730
4 1/4 40
46
54
37
43
51
6 5/8 REG 7 3/4 4 1/2 REG 5 3/4 NC 46(4 IF) or
NC50(4 1/2 IF)
6 or 6 3/8-6 1/2 2 4/5 5 1/2 4 1/4 825
940
1070
780
890
1040
5 1/4 40
46
54
37
43
51
6 5/8 REG 7 3/4 -- -- NC 50 or
5 1/2 FH or NC56
7 3 1/4 6 3/4 5 1/4 1250
1430
1670
--
6 40
46
54
37
43
51
6 5/8 REG 7 3/4 -- -- 6 5/8 FH 8 3 1/2 7 5/8 6 1670
1920
2250
--

Hexagonal kelly

规格 Size 长度
Length Overall
(ft)
上部连接 Upper Box Connection 下部链接 内径Inside dia 驱动部分Drive Section 近似重量 Similar Weight
标准 Standardx 选用 Optional 标准 Standard 选用 Optional
A B 左旋扣型
Size and Style LH
OD C 左旋扣型
Size and Style LH
OD C 左旋扣型
Size and Style RH
OD D E F G
(in) (in) (in) (in) (in) (in)
3 40
46
37
43
6 5/8 REG 7 3/4 4 1/2 REG 5 3/4 NC 26
(2 3/8 IF)
3 3/8 1 1/4 3.375 3 450
500
400
555
3 1/2 40
46
54
37
43
51
6 5/8 REG 7 3/4 4 1/2 REG 5 3/4 NC 31
(2 7/8 IF)
4 1/8 1 3/4 3.937 3 1/2 580
670
780
535
620
730
4 1/4 40
46
54
37
43
51
6 5/8 REG 7 3/4 4 1/2 REG 5 3/4 NC 38
(2 3/8 IF)
4 3/4 2 1/4 4.781 4 1/4 750
840
980
700
800
940
5 1/4 40
46
54
37
43
51
6 5/8 REG 7 3/4 -- -- NC 46(4 IF) or
NC50(4 1/2 IF)
6 or 6 3/8 -6 1/2 2 13/16 or 3 1/4 5.9 5 1/4 1020
1170
1350
--
6 40
46
54
37
43
51
6 5/8 REG 7 3/4 -- -- NC50 or
5 1/2 FH
or NC56
7 3 1/2 6.812 6 1320
1500
1770
--

 

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