接箍 Coupling: 1、标准接箍 Stabdard Coupling 2、特殊间歇接箍 Special Space Coupling 3、特殊倒角接箍 Special Bevellde Coupling 4、改进型带密封环接箍 API Improved Seal-Ring Coupling(SR13) 5、组合接箍或异径接箍 Combination Coupling or Special Diameter Coupling
短节或连接管 Pup Joint or Connector: 包括所有油套管规格、螺纹或其他组合 All Size,thread or their combination of tubing and casing are supplied.
尺寸偏差 Dimensions and Tolerances: 外径、壁厚、重量允许偏差 Outside Diameter,Wall Thickness and Weight Tolerances:
项目Item |
允许偏差Tolerance |
外径 Outside Diameter |
管体Pipe Body |
D≤101.60mm±0.79m |
D≤114.30mm± |
+1.0%D |
-0.5%D |
接箍 coupling |
±1%D |
壁厚Wall Thickness |
0,-12.5%t |
重量 Weight |
单根Single Lengths |
+6.5% |
-3.5% |
车载量Carload Lots |
0,-1.75% |
螺纹参数允许偏差 Thread Parameter Tolerances:
品种规格 Type and Size |
锥度 taper mm/m |
螺距Pitch mm |
齿 高 Height mm |
螺纹角度 Angle 度 deg. |
螺纹长度a Length L4 (外螺纹 External Thread) |
管 端 倒 角 Chamfer on End of Pipe 度 deg. |
紧密矩a Standoff |
每英寸 Per Inch |
累 计 Accu- mulative |
管体螺纹 Pipe Thread |
接箍螺纹 Coupling Thread |
圆螺纹油管 Round Thread Tubing 2 3/8"~4 1/2" |
10 |
牙/英寸 Threads per inch |
+5.208 -2.600 |
±0.76 |
±0.152 |
+0.051 -0.102 |
11/2 |
11/2P |
+5 -0 |
±11/2P |
±11/2P |
8 |
牙/英寸 Threads per inch |
+5.208 -2.600 |
±0.76 |
±0.152 |
+0.051 -0.102 |
11/2 |
1P |
+5 -0 |
±1P |
±1P |
圆螺纹套管 Round Thread Casing 4"~7" |
+5.208 -2.600 |
±0.76 |
±0.152 |
+0.051 -0.102 |
11/2 |
1P |
+5 -0 |
±1P |
±1P |
偏梯形螺纹套管 Buttress Thread Casing 4 1/2"~7" |
接箍 Coupling |
+4.50 -2.50 |
±0.051 |
±0.102 |
±0.025 |
/ |
- |
+5 -0 |
+11/2P -0 |
+0 -11/2P |
|
完整螺纹 Perfect thread |
+3.50 -1.50 |
不完整螺纹 Lmperfect thread length |
+4.50 -1.50 |
注a:p---螺距 Note:p---Pitch.
接箍料常用规格 Normal size range of coupling stock
代号 Labels |
外径 OD(mm) |
壁厚WT(mm) |
2 3/8 |
72 |
12 |
2 3/8 EU |
78 |
12 |
2 7/8 |
89 |
13 |
2 7/8 EU |
94 |
13 |
3 1/2 |
108 |
15 |
3 1/2 EU |
114 |
15.5 |
4 |
121 |
15.5 |
4 EU |
127 |
16 |
4 1/2 |
132 |
15.5 |
41/2 EU |
141 |
15 |
5 |
141 |
14.5 |
5 1/2 |
154 |
14.5 |
6 5/8 |
188 |
15 |
7 |
195 |
17 |
7 5/8 |
216 |
19.5 |
8 5/8 |
245 |
21.5 |
9 5/8 |
270 |
21.5 |
10 3/4 |
299 |
21.5 |
11 3/4 |
324 |
21.5 |
13 3/8 |
365 |
25.4 |
16 |
432 |
22 |
|