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DRILL PIPE
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Product description

DRILL PIPE

Drill pipe is in accordance with API SPEC 5D, it can be divided into two groups: 
Group 1--Grade E drill pipe
Group 3--All high strength grades of drill pipe.(Grades X-95, G-105, S-135)
Note: A the minimum elongation in 2 in.(50.8mm) shall be that determined by the following formula:
e=625,000A0.2/U0.9
 where e = minimum elongation in 2 in (50.8 mm) in percent rounded to nearest 0.5%.
 A = cross-sectional area of the tensile test specimen in square inches, based on specified outside     diameter, or nominal specimen width, and specified wall thickness rounded to the nearest 0.01 in.2, or 0.75 in.2, whichever is smaller.
U = specified tensile strength, psi.
 Note: See Table 5 in API SPEC 5D for minimum elongation values for various size strip tensile specimens and grades. The minimum elongation for either round bar tensile specimen (0.350-in. diameter with 1.4 -in, gauge length and the 0.500-in. diameter with 2.00-in. gauge length) shall be that shown in Table 5 for a cross-sectional area "A"of 0.20 in.2.
Tolerances on dimensions 
 The following tolerance apply to the outside diameter of the drill pipe body immediately behind the upset for a distance of approximately 5 in. for sizes 5-1/2 and smaller, and a distance approximately equal to the OD for sizes larger than 5-1/2. Measurements shall be made with calipers or snap gages.
Inside Diameter: d, is governed by the outside diameter and weight tolerances.
Upset Dimensions: Tolerances on upset dimensions are given in Tables 7 and 8 in API SPEC 5D.
Eccentricity:
Outside Diameter: The maximum eccentricity is measured with a saddle gage (see Figure 5) at a distance of 5 to 6 in. from the end of the upset, shall not exceed 0.093 in. (total indicator reading).
Inside Diameter: The maximum eccentricity of the bore of the upset with respect to the outside surface of the drill pipe shall not be more than 1/16 in. (1/8 in. total indicator reading).
Ovality: Maximum ovality is measured with a micrometer on outside diameter of upset shall not exceed 0.093 in.

Drill Pipe Size

Size

Weight Designation

Calculated Plain-End Weight

Outside Diameter

Grade

Wall Thickness

Upset Ends. For Weld-on Tools Joint

Lb/ft

kg/m

in

mm

In

mm

2 3/8

6.65

6.26

9.32

2.375

60.3

E,X,G,S

0.280

7.11

EU

2 7/8

10.40

9.72

14.48

2.875

73.0

E,X,G,S

0.362

9.19

IU or EU

3 1/2

9.50

8.81

13.12

3.500

88.9

E

0.254

6.45

IU or EU

3 1/2

13.30

12.31

18.34

3.500

88.9

E,X,G,S

0.368

9.35

IU or EU

3 1/2

15.50

14.63

21.79

3.500

88.9

E

0.449

11.40

IU or EU

3 1/2

15.50

14.63

21.79

3.500

88.9

X,G,S

0.449

11.40

EU or IEU

4

14.00

12.93

19.26

4.000

101.6

E,X,G,S

0.330

8.38

IU or EU

4 1/2

13.75

12.24

18.23

4.500

114.3

E

0.271

6.88

IU or EU

4 1/2

16.60

14.98

22.31

4.500

114.3

E,X,G,S

0.337

8.56

EU or IEU

4 1/2

20.00

18.69

27.84

4.500

114.3

E,X,G,S

0.430

10.92

EU or IEU

5

16.25

14.87

22.15

5.000

127.0

X,G,S

0.296

7.52

IU

5

19.50

17.93

26.71

5.000

127.0

E

0.362

9.19

IEU

5

19.50

17.93

26.71

5.000

127.0

X,G,S

0.362

9.19

EU or IEU

5

25.60

24.03

35.79

5.000

127.0

E

0.500

12.70

IEU

5

25.60

24.03

35.79

5.000

127.0

X,G,S

0.500

12.70

EU or IEU

5 1/2

21.90

19.81

29.51

5.500

139.7

E,X,G,S

0.361

9.17

IEU

5 1/2

24.70

22.54

33.57

5.500

139.7

E,X,G,S

0.415

10.54

IEU

6 5/8

25.20

22.19

33.05

6.625

168.3

E,X,G,S

0.330

8.38

IEU

6 5/8

27.70

24.21

36.06

6.625

168.3

E,X,G,S

0.362

9.19

IEU

 

Mechanical Properties

 

Tensile

Group

Grade

Yield Strength

Tensile Strength

Elongation, Min.Percent in 2 in. (50.80mm)%

Minimum

Maximum

Minimum

psi

Mpa

psi

Mpa

psi

Mpa

1

E-75

75000

517

105000

724

100000

689

See footnote

3

X-95

95000

655

125000

862

105000

724

See footnote

G-105

105000

724

135000

931

115000

793

See footnote

S-135

135000

931

165000

1138

145000

1000

See footnote

 

Weld Zone Parameters

Steel Grade

Min. Yield Strength

Min. Tensile Strength

Min. Elongation

Min. AKV Impact

Mpa

Mpa

%

J

E-75

517

689

13

20(Average)
15Min Single

X-95

609

712

G-105

655

724

S-135

724

793


Usage :

Drill Pipe Drilling is a major component, the above linked side drill pipe, drill collar couples below, the role of Torque Transmission, downward drilling bits, plus the Sham Tseng eyes.

 

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OILRIG warrants our products for a period of one year to be free from defective material and workmanship. OILRIG's products equal or exceed the quality and tolerances of the products provided by the original manufacturer. 

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