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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 opener
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





 
   HWDP

HWDP

The Heavy Weight Drill Pipe is made from one piece of AISI 4145H solid bar, fully heat-treated, all physical properties confirm with API Spec.7 Latest Editions.

Hard banding

The wear-resistance hard banding is standard on tool joints connections and central upset. Hard banding is made by an aving.utomatic machine after preheating the pipe and is followed by stress relie

The Type of hand banding include Iron-Matrix powder alloy, Tungsten Carbide particle, and Arnco 100XT.

Standard Bands:

  • one 4" wear band on both pin and box ends, plus one 1" band on 18 degree shoulder of box.
  • Two 3" wear bands on central upsets
  • The hard banding is completing flush on both joints and 1/8" oversize on the central upset (full flush on request).

Internal Coating: The HWDP could be internally coated with DPC (Equivalent to TK34) as customers request which are able to prevent corrosion and extend life.

Order Instruction:

  • Nominal Size
  • Range
  • Hard banding type
  • Internal coating if required.
  • Extra-long tool joints if required
  • API Stress relief recess.

Integral Heavy Weight Dirll Pipe Spec.

Nom. Size (in)
Approx. Overall Length (ft)
Tool Joints
Tube
Approx. Weight
Make-up Torque (lb-ft)
OD (in)
ID (in)
Conn.
Center upset OD (in)
Center upsets end (in)
ID (in)
Center upset length (in)
lb/ft
kg /jts
3 1/2
30.5
4 3/4
2 1/16
3 1/2IF
4
3 5/8
2 1/16
24
25.3
350
11,500
4
30.5
5 1/4
2 1/2
4 FH
4 1/2
4 1/8
2 1/2
24
29.5
410
17,300
4 1/2
30.5
6 1/4
2 13/16
4IF
5
4 5/8
2 13/16
24
41
565
25,500
5
30.5
6 1/2~6 5/8
3
4 1/2IF
5 1/2
5 1/8
3
24
49.3
681
34,000
5 1/2
30.5
7~7 1/4
3 5/8
5 1/2 FH
6
5 11/16
3 5/8
24
55
760
38,000
6 5/8
30.5
8~8 1/4
4
6 5/8 FH
7 1/4
6 3/4
4
24
70
970
55,800

Integral Spiraled Heavy Weight Drill Pipe

Nom. Size (in)
Approx. Overall Length (ft)
Tool Joints
Tube
Approx. Weight
Make-up Torque (lb-ft)
OD (in)
ID (in)
Conn.
Center upset OD (in)
Center upsets end (in)
ID (in)
Center upset length (in)
lb/ft
kg /jts
3 1/2
30.5
4 3/4
2 1/16
3 1/2IF
4
3 5/8
2 1/16
18.5
28
387
11,500
4
30.5
5 1/4
2 1/2
4 FH
4 1/2
4 1/8
2 1/2
18.5
33
457
17,300
4 1/2
30.5
6 1/4
2 13/16
4IF
5
4 5/8
2 13/16
18.5
45
623
25,500
5
30.5
6 1/2~6 5/8
3
4 1/2IF
5 1/2
5 1/8
3
18.5
54
748
34,000
5 1/2
30.5
7~7 1/4
3 5/8
5 1/2 FH
6
5 11/16
3 5/8
18.5
62
858
38,000
6 5/8
30.5
8~8 1/4
4
6 5/8 FH
7 1/4
6 3/4
4
18.5
76
1052
55,800
,
 

   

 
 




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Tel:+86-21-5881-1945     


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Email:sales@mastpetroequip.com


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