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Rigs & Accessories -----
Onshore Drilling Rig
Onshore workover Rig
Rotary Table
Swivel
Travelling Block and Hook
Drilling Steel Rope
Top Drive
Rig motor
Drilling Hose
Air Winch
Rig Roller Chain

Mud pump & Fluid end parts
Triplex Single Acting Mud pump
Fluid end parts

Handling tools -----
Rotary Slips
Drill Collar Slips
Casing slips
Safety Clamp
BNC Type elevator
SSC Type Elevator
Slip type Elevator
Casing elevator spider
Sucker Rod elevator
Single Joint Elevator
Roller Kelly bushing
Master Casing Bushing
Casing Bushing
Manual tong
Power tong
Hydraulic cathead
Air Safety Spinning Wrench
Kelly Spinner

Solid control equipment ----
Solid Control Equipment

BOP and Accessories -----
BOP & ACCUMULATOR

Drilling Strings -----
Kelly
H-W Drill pipe
Drill Collar
Stabilizer
X-over Subs
drilling jar
Hole opner
Under reamer
Down Hole motor
Drill pipe

Fishing Tools -----
Safety Joint
Overshot
Spear
Reverse Circulating Junk Basket
Casing Scraper

Drilling Instruments -----

Flow control products -----
Gate valve
Butterfly valve
SPM Plug valve

Wellhead & X-mass -----
Wellhead & X-mass tree





 
   Kelly

Kelly

The Kelly is made from 4145 H modified alloy steel in accordance with API Spec. 7 lastest edition, which are quenched and tempered along full length with the hardness up to 285 to 341 BHN and minimum impact value of 54 Joules as per ASTM A370 Charpy-V, these values are guaranteed one inch below the surface. The kelly Bars are inspected by ultrasonic unit.
Standard Size for Square Kellys
Nom. Size (in)
Length (ft)
Top Upset
Bottom upset
Bore
Drive Section
Weight (kg)
A
B
LH Conn.
OD C (in)
RH Conn.
OD D (in)
E (in)
F (in)
G (in)
2 1/2
40
37
6 5/8 Reg.
7 3/4
2 3/8 IF
3 3/8
1 1/4
3 1/4
2 1/2
410
46
43
465
3
40
37
6 5/8 Reg.
7 3/4
2 7/8 IF
4 1/8
1 3/4
3 7/8
3
495
46
43
560
3 1/2
40
37
6 5/8 Reg.
7 3/4
3 1/2 IF
4 3/4
2 1/4
4 7/16
3 1/2
600
46
43
670
54
51
780
4 1/4
40
37
6 5/8 Reg.
7 3/4
4 IF or 4 1/2 IF
6, 6 3/8, 6 1/2
2 13/16
5 1/2
4 1/4
825
46
43
940
54
51
1070
5 1/4
40
37
6 5/8 Reg.
7 3/4
4 1/2IF or 5 1/2FH
7
3 1/4
6 7/8
5 1/4
1250
46
43
1430
54
51
1670
6
46
37
6 5/8 Reg.
7 3/4
6 5/8FH
8
3 1/2
7 5/8
6
1670
46
43
1920
54
51
2250

Standard Sizes for Hexagonal Kelly

Nom. Size (in)
Length (ft)
Top Upset
Bottom upset
Bore
Drive Section
Weight (kg)
A
B
LH Conn.
OD C (in)
RH Conn.
OD D (in)
E (in)
F (in)
G (in)
3
40
37
6 5/8 Reg.
7 3/4
2 3/8 IF
3 3 /8
1 1/2
3 3/8
3
450
46
43
500
3 1/2
40
37
6 5/8 Reg.
7 3/4
2 7/8 IF
4 1/8
1 3/4
3 15/16
3 1/2
580
46
43
670
54
51
780
4 1/4
40
37
6 5/8 Reg.
7 3/4
3 1/2 IF
4 3/4
2 1/4
4 7/8
4 1/4
750
46
43
840
54
51
980
5 1/4
40
37
6 5/8 Reg.
7 3/4
4 IIF or 4 1/2IF
6, 6 3/8 or 6 1/2
2 13/16 or 3 1/4
5 7/8
5 1/4
1020
46
43
1170
54
51
1350
6
46
37
6 5/8 Reg.
7 3/4
4 1/2IF, 5 1/2FH
7
3 1/2
6 13/16
6
1320
46
43
1500
54
51
1770

Order Instructions:

  • Kelly type: Square or Hexagonal
  • Working space and overall length
  • upper and bottom connection size and type.
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Tel:+86-21-5881-1945     


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Email:sales@mastpetroequip.com


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