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鑽 杆
標準：API SPEC 5D，API SPEC 7
用途：用於鑽井
鑽杆成品規格(對焊工具接頭后)：
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管體
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管端形式
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對焊工具接頭
|
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規格外徑
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公稱重量
|
鋼級
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壁厚
|
|
in.
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mm
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lb./ft
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kg/m
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in.
|
mm
|
|
2 7/8
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73.0
|
10.40
|
15.48
|
E,X,G,S
|
0.362
|
9.19
|
I,E
|
NC31
|
|
3 1/2
|
88.9
|
13.30
|
19.80
|
E,X,G,S
|
0.368
|
9.35
|
I,E
|
NC38
|
|
3 1/2
|
88.9
|
15.50
|
23.08
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E
|
0.449
|
11.40
|
I,E
|
NC38
|
|
3 1/2
|
88.9
|
15.50
|
23.08
|
X,G,S
|
0.449
|
11.40
|
E,I,E
|
NC38
|
|
4 1/2
|
114.3
|
16.60
|
24.71
|
E,X,G,S
|
0.337
|
8.56
|
E,I,E
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NC50
|
|
4 1/2
|
114.3
|
20.00
|
29.78
|
E,X,G,S
|
0.430
|
10.92
|
E,I,E
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NC50
|
|
5
|
127.0
|
19.50
|
29.03
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E
|
0.362
|
9.19
|
I,E
|
NC50
|
|
5
|
127.0
|
19.50
|
29.03
|
X,G,S
|
0.362
|
9.19
|
E,I,E
|
NC50
|
|
5
|
127.0
|
25.60
|
38.11
|
E
|
0.500
|
12.70
|
I,E
|
NC50
|
|
5
|
127.0
|
25.60
|
38.11
|
X,G,S
|
0.500
|
12.70
|
E,I,E
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NC50
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注：1.管體管端形式代號為：I =內加厚
E =外加厚
I-E =內外加厚
2.工具接頭按API SPEC7製造
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