HYDRAULIC CONTROL LINE
The STARSE Seamless control lines are used in SCSSV, Chemical Injection, and Advanced Well Completions.
Whatever the requirement for the supply of control lines and chemical injection lines, STARSE can supply a quick and effective solution whether the order is for straightforward, cut-to-length lines or a group of lines, encapsulated, flushed and filled, supplied on customer's reels and delivered directly to the site.
Seamless (floating plug drawn and annealed) and encapsulated design.
Material Selection Incoloy-825 is high strength, excellent fabricability, easily welded, and very corrosion resistant. Good resistance to sulfuric, hydrochloric, phosphoric, nitric, and organic acids. Also good in alkalis/salts/seawater and chloride cracking environments.
Associated fittings for terminations to be included.
Encapsulation material Thermoplastic.
The maximum hardness can be B85.
Pre-flush with control-line hydraulic fluid. Cleanliness criteria to comply with NAS Class 6.
Control Line |
Theoretical Mechanical Calculations |
Size/Type |
Seamless |
OD |
WT |
Alloy |
Min Tensile Strength |
Min Yield |
Theoretical Collapse
Pressure1 |
Theoretical |
Theoretical Working Pressure3 (psi) |
Recommended Test Pressure (psi) |
(psi) |
Strength (psi) |
(psi) |
Burst Pressure2 (psi) |
0.25 |
0.035 |
316L |
75000 |
30000 |
6500 |
20600 |
6200 |
7500 |
825 |
85000 |
35000 |
7600 |
23400 |
7300 |
8700 |
625 |
120000 |
60000 |
13000 |
33000 |
12500 |
14900 |
0.25 |
0.049 |
316L |
75000 |
30000 |
8500 |
29200 |
8800 |
10600 |
825 |
85000 |
35000 |
10000 |
33100 |
10300 |
12300 |
625 |
120000 |
60000 |
17200 |
46800 |
17700 |
21100 |
0.25 |
0.065 |
316L |
75000 |
30000 |
10600 |
37500 |
11300 |
13600 |
825 |
85000 |
35000 |
12400 |
42500 |
13200 |
15800 |
625 |
120000 |
60000 |
21200 |
60000 |
22600 |
25000 |
0.25 |
0.083 |
316L |
75000 |
30000 |
12400 |
45500 |
13700 |
16400 |
825 |
85000 |
35000 |
14500 |
51600 |
16000 |
19200 |
625 |
120000 |
60000 |
24900 |
72800 |
27400 |
25000 |
0.375 |
0.035 |
316L |
75000 |
30000 |
4500 |
13300 |
4000 |
4900 |
825 |
85000 |
35000 |
5300 |
15100 |
4700 |
5700 |
625 |
120000 |
60000 |
9100 |
21300 |
8100 |
9700 |
0.375 |
0.049 |
316L |
75000 |
30000 |
6100 |
19200 |
5800 |
7000 |
825 |
85000 |
35000 |
7200 |
21800 |
6800 |
8100 |
625 |
120000 |
60000 |
12300 |
30700 |
11600 |
13900 |
0.375 |
0.065 |
316L |
75000 |
30000 |
7800 |
26200 |
7900 |
9500 |
825 |
85000 |
35000 |
9100 |
29700 |
9300 |
11100 |
625 |
120000 |
60000 |
15600 |
42000 |
15800 |
19000 |
0.375 |
0.083 |
316L |
75000 |
30000 |
9400 |
32800 |
9900 |
11900 |
825 |
85000 |
35000 |
11000 |
37100 |
11600 |
13800 |
625 |
120000 |
60000 |
19000 |
52500 |
19800 |
23700 |
0.5 |
0.035 |
316L |
75000 |
30000 |
3500 |
9800 |
3000 |
3600 |
825 |
85000 |
35000 |
4100 |
11100 |
3500 |
4200 |
625 |
120000 |
60000 |
7000 |
15700 |
6000 |
7200 |
0.5 |
0.049 |
316L |
75000 |
30000 |
4700 |
14100 |
4300 |
5100 |
825 |
85000 |
35000 |
5500 |
15900 |
5000 |
6000 |
625 |
120000 |
60000 |
9500 |
22500 |
8500 |
10200 |
0.5 |
0.065 |
316L |
75000 |
30000 |
6100 |
19100 |
5800 |
7000 |
825 |
85000 |
35000 |
7100 |
21700 |
6800 |
8100 |
625 |
120000 |
60000 |
12300 |
30700 |
11600 |
13900 |
0.5 |
0.083 |
316L |
75000 |
30000 |
7500 |
25200 |
7600 |
9100 |
825 |
85000 |
35000 |
8800 |
28500 |
2800 |
10600 |
625 |
120000 |
60000 |
15100 |
40300 |
15200 |
18200 |
1Theoretical Collapse pressure based on max OD, minimum wall thickness, and minimum yield strength. |
2Theoretical Burst pressure based on max OD, minimum wall thickness, and minimum tensile strength. |
3Theoretical working pressure utilizes a 1.33 S.F. from theoretical Yield Point |
Working Temperature: 350°F |
Test pressures above 25ksi are available upon request. |
E - "Enhanced" properties increased yield strengths, coils without orbital welds at final size. |
HIGH-PRESSURE BEARING CAPACITY
Hydraulic control pipelines are designed to withstand high-pressure hydraulic oil, usually capable of handling pressures of tens to hundreds of megapascals (MPa). Pipelines and joints are made of high-strength materials (such as stainless steel, carbon steel, or high-strength alloys) to ensure that they will not break or leak in high-pressure environments.
CORROSION RESISTANCE
Use corrosion-resistant materials (such as stainless steel or surface plating) to extend service life and ensure system reliability. Hydraulic control pipelines are often used in industrial environments and may be exposed to corrosive media such as water, oil, and chemicals.
FLEXIBILITY AND FATIGUE RESISTANCE
Hydraulic control pipelines need to have a certain degree of flexibility to adapt to complex installation layouts and mechanical movements. Pipeline materials need to be fatigue-resistant and able to withstand repeated pressure changes and vibrations to avoid damage due to fatigue.
GOOD SEALING PERFORMANCE
The joints and connection parts of the hydraulic control pipeline adopt a high-precision sealing design to ensure that the hydraulic oil will not leak. Good sealing performance is the key to ensuring the efficient operation of the hydraulic system.
HIGH AND LOW TEMPERATURE RESISTANCE
Use high and low temperature resistant materials to ensure that the pipeline can still maintain stable performance under extreme temperatures. Hydraulic control pipelines need to work in a wide temperature range and may face the test of high temperature (such as heating of hydraulic oil) or low temperature (such as cold environment).






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A:1. Please provide us with your exact quantity. We can provide you with samples according to your specifications.
2. We can provide you with counter samples according to the samples you sent.
Q2. How can I get the price of the product?
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A: Yes. We can accept OEM services. Also, welcome to choose our ODM. Welcome to your inquiry!