Tubulars and Drilling String

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We provide a variety seamless and welded petroleum industry tubulars per the quality standards of : API 5CT、API 5B、API 5DP、API 5L、ISO and any other applicable standards.

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1. Casing

Size: 4-1/2” to 30”

Grade: J55, K55, N80, L80, C90, C95, P110, Q125, V150

Connection: BTC, STC, LTC and Premium connection, such like: VAM, TPCQ, Hydrill connections, etc…

Length: R1, R2, R3


2. Tubing

Size: 2-3/8” to 4-1/2”

Grade: J55, N80, L80, C90, T95, P110

Connection: 8RD and Premium connection, such like: VAM, TPCQ, Hydrill connections, etc…

Length: R1, R2, R3

Type of finish: NU ( Non Upset), EU (External Upset), IEU (Internal and External Upset).

 

3. Heavy Weight Drill Pipe (HWDP)

Size: 2-7/8”, 3-1/2”, 4”, 4-1/2”, 5”, 5-1/2”, 6-5/8”.

Length: 31ft

Others: Internal coating and hardbanding is available per clients’ requirement.

 

4. Drill Pipe

Size: 2-3/8”, 2-7/8”, 3-1/2”, 4”, 4-1/2”, 5”, 5-1/2”, 6-5/8”;   Grade: E, X, G, S ;  Length: R1, R2 and R3.

Upset type: NU ( Non Upset), EU (External Upset), IEU (Internal and External Upset).

Others:

(1). Internal coating and hardbanding is available per clients’ requirement.

(2). We can provide high strength, Sour service and double shoulder drill pipes per client’s requirement.


5. Drill Collar

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Size: 3-1/8”, 4-1/8”, 4-3/4”, 5”, 6”, 6-1/4”, 6-1/2”, 6-3/4”, 7”, 7-1/4”, 8”, 8-1/4”, 9”, 9-1/2”, 9-3/4”, 10”, 11”.

Length: 9150mm, 9450mm.

Others:

(1)Internal coating and hardbanding is available per clients’ requirement.

(2)Slick drill collar and Spiral drill collar is available.

(3)NMDC (Non Magnetic drill collar) is available.

 


6. Kelly

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Size: 2-1/2”, 3”, 3-1/2”, 4-1/4”, 5-1/4”, 6”.                                   

Type: Square Kelly and Hex Kelly.

Length: 40ft, 46ft, 54ft.

 

7. Pup Joints

We supply full ranges pup joints for casing, tubing, drill pipe, drill collar.



8. Others

Couplings, Flanges, Elbows, Tees, X-Overs, Lifting nubbins, Lifting caps, Gasket, Bolts and nuts, etc.

 

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9. Sucker Rod

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Sucker rod conforms to API Specification 11B (Oil extraction rod Standard) and other related standards, authorized to use the API monogram.

Grade: C, D, K, KD, HL, HY

Name

API     Standard

API Nominal     Dia

API Length

Weight (kg/pc)

Sucker rod

Grade D            Grade C      Grade K

3/4inch(19mm)

25feet(7620mm)

18.38

30ft(9140mm)

21.77

7/8inch(22mm)

25feet(7620mm)

24.51

30feet(9140mm)

29.04

1inch(25mm)

25feet(7620mm)

32.36

30feet(9140mm)

38.21

Coupling

Grade SM     Grade T

3/4inch(19mm)

4inch(101.6mm)

0.61

7/8inch(22mm)

4inch(101.6mm)

0.78

1inch(25mm)

4inch(101.6mm)

1.17



10. Drill Bit

PDC bits and Rock bits are designed and manufactured per API standard.

 

                  PDC bit                                                              Rock bit

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