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Drill Pipe

According to API 5DP,API 5CT and API Spec. 7 latest edition

Sizes: 2 3/8” to 6 5/8″

Grades: E, X, G, S, E-75 to S135

Tool joints: NC26, NC31, NC38, NC40, NC46, NC50, NC56, 5FH, 6 5/8 FH and HLDS26 to HLDS50, HLDS 5 to HLDS 6 5/8, others available on request.

Sour service grades: C95S and C105S

High strength grades: S140 and S150

DRILL PIPE

Tolerance on Dimensions

Chemical Composition and Mechanical Properties

HEAVY WEIGHT DRILL PIPES (HWDP)

According to API 7 and API RP 7G

Size Range: 3 1/2″ to 6 5/8″

Hard Banding: As per request

DRILL COLLARS

Size Range: 3 1/8″ to 14″ Slick or Spiral

Connections: NC 23, NC 26, NC 31, to NC 50

Hard Banding: Arnco Series, others on request

Welded Casing

Grades: API 5CT H40, J55, L80, N80 and P110; and proprietary E80.

Diameters: 2 3/8 – 16 in (60.3 – 406.4 mm)

Wall Thickness: 0.190 – 0.545 in (4.8 – 13.8 mm)

Lengths: Range 1, 2, and 3

Seamless Casing

Grades: API 5CT N80, L80, P110 and proprietary CF95.

Diameters: 7 – 9 5/8 in (177.8 – 244.5 mm)

Wall Thickness: 0.231 – 0.557 in (5.9 – 14.1 mm)

TUBING AND CASING

Standard:API 5CT

Application:Used in the oil well extracting the petroleum or the natural gas

Chemical Composition

Mechanical Properties

Various special-shaped drawings customization

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