整体提升短节
整体提升短节是石油、***和地质勘探钻井工种中提升钻具的专用工具。整体式结构的提升短节,分 a ,b,两种,如图所示。a 型是18度台肩,b 型为90度台肩。使用时可根据吊卡的结构型式选择a 型 或b 型提升短节。所有螺纹符合API 标准。是钻井过程中提升钻具的专用工具。分斜台肩和直台肩两种结构。
Integral Lifting Sub
Integral Lifting Sub is the special tools for lifting of the drilltools in petroleum, natural gas industry and
geologic exploration.The drill tool lifting sub is divided into a or b type structure.The a type has 18 degree
shoulder, the b type has 90degree shoulder.The lifting sub can be selected according to elevator’s structure. The integral lifting subs are made of high strength alloy steel. All connecti*** are complied
with API standard.
整体提升短节技术参数
Specification of Integral Lifting Sub
公称尺寸 Norminal size D&plu***n;0.08 (1/32 mm(in) |
内径 I.D d/mm |
外螺纹接头External Thread |
提升端Lift End |
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螺纹类型 Types of Thread
|
外径 O.D Dp&plu***n;0.08 (&plu***n;1/32) Mm(in) |
倒角 直径 Bevel Dia. Df/mm |
大钳咬合 长度 Length of Action Lpb/mm |
外径 O.D Db&plu***n;0.08 Mm |
吊卡台肩根部 圆角半径 Corner Radius of Shoulder End Rse&plu***n;0.04 Mm |
大钳咬合长度 Length of Action Lb/mm |
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71.0(2 7/8) |
31.8 |
NC23 |
79.4(3 1/8) |
76.2 |
250.0 |
111.1 |
4.8 |
100.0 |
44.5 |
NC26(2 3/8) |
88.9(3 1/2) |
82.9 |
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88.9(3 1/2) |
54.0 |
NC31(2 7/8) |
104.8(4 1/8) |
100.4 |
127.0 |
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50.8 |
NC35 |
120.7(4 3/4) |
114.7 |
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68.3 |
NC38(3 1/2IF) |
127.0(5) |
121.0 |
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127.0(5) |
71.4 |
N***4 |
152.4(6) |
144.5 |
168.3 |
6.4 |
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158.8(6 1/4) |
149.2 |
|||||||
82.6
95.3 |
N***6(4IF) |
158.8(6 1/4) |
150.0 |
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165.1(6 1/2) |
154.8 |
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171.5(6 3/4) |
159.5 |
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NC50(4 1/2IF) |
177.8(7) |
164.7 |
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184.2(7 1/4) |
169.5 |
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NC56 |
196.8(7 3/4) |
185.3 |
300.0 |
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203.2(8) |
190.1 |
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6 5/8REG |
209.6(3 1/4) |
195.7 |
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NC61 |
228.6(9) |
212.7 |
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7 5/8 REG |
241.3(9 1/2) |
223.8 |
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NC70 |
247.7(9 3/4) |
232.6 |
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254.0 (10) |
237.3 |
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NC77 |
279.4(11) |
260.7 |