Control Line
Control line, also known as capillary tube, are coiled tubes made of stainless steel, duplex stainless steel or alloys. The coiled tubes mostly are welded & redrawn tubes or cold-drawn seamless tubes. The control line is mainly used for serving the following purposes:
Ø Connecting the sensors of transmitting downhole temperature and pressure in wells.
Ø Controlling the downhole safety valves and vent valves of cable packers in production
Ø Injecting the chemicals into wells.
Ø Connecting pipelines for instrument control systems etc.
SPECIFICATIONS
SIZE (Inches) | Material | Length | Standard | Available Jackets | |
O.D. | WALL | FT/Reel | |||
1/8 | .020 | 316L Duplex 2205 (S31803/S32205) Super Duplex 2507 (S32750) Incoloy 825 Inconel 625 | 500/ 1000/ 2000/ 5000/ 10000/ 20000/ Customized | ASTM-A 269 ASTM-A 632 ASTM-A 789 ASTM-B 704 | FEP PVC PVDF Nylon |
.028 | |||||
.035 | |||||
3/16 | .020 | ||||
.028 | |||||
.035 | |||||
.049 | |||||
1/4 | .020 | ||||
.028 | |||||
.035 | |||||
.049 | |||||
.065 | |||||
.083 | |||||
5/16 | .020 | ||||
.028 | |||||
.035 | |||||
.049 | |||||
.065 | |||||
.083 | |||||
3/8 | .020 | ||||
.028 | |||||
.035 | |||||
.049 | |||||
.065 | |||||
.083 | |||||
1/2 | .020 | ||||
.028 | |||||
.035 | |||||
.049 | |||||
.065 | |||||
.083 |
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