Encapsulated Multi Core Control Line

EMHK is a professional and experienced manfacture in Encapsulated tubings , Cables ‘s field. Inclduing 825, 2205, 625, 304, 316L Encapsulated tubings and Tubing Encapsulated Conductor (TEC), which is used to supply power downhole to the gauge and transfer the digital data uphole. The copper conductor is double insulated and the protected by a  stainless steel tube . A coating Polypropylene is used to add additional protect the tube wire. Muti core tubing, TEC and Encapsulated tubing are our hot products. We can accept any type testings.

Aailable materials: Austenitic steel 304L, 316L, Duplex 2205 ,Super Duplex 2507 ,Incoloy 825, Inconel 625

OD size:1/8″; 3/16″;1/4″;5/16″;3/8″;1/2″

Wall thickness:0.02″,0.028″,0.035″,0.049″,0.065″.0.083″

Encapsulation materials:Santoprene,F40;F46;FEP (Fluorinated Ethylene Propylene);PVC (Polyvinyl chloride);Nylon Encapsulated etc..

Available Encapsulation shapes: Round Type, Square type, Flatpack

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Product Description

Encapsulated control Line for Downhole Chemical Injection

Our products are tested by SGS, BV, APPLUS+ Inspection agents and Center of China National Petroleum Corporation, and each performance index meets America ASTM A269, and related industry standards, partial quality index even exceeds the international level. Our products are well accepted by CNPC, KOC, KNPC,Halliburton, Baker Hughes, Schlumberger, Weatherford ,OXY ect….

EMHK Encapsulated tubings are mainly applied in petroleum industry, chemical industry, shipbuilding, natural gas, and  Hydraulic system ect…

ENCAPSULATED CONTROL LINE PRESSURE RATING

Bare tube Material Encapsulation material OD
(inch)
Wall Thickness (inch) Working Pressure (MPa) Length (M/Pcs)
Austenitic steel 304L (UNS S30403)
Austenitic steel 316L (UNS S31603)
Duplex 2205 (UNS S32205 & S31803)
Super Duplex 2507 (UNS S32750)
Incoloy 825 (UNS N08825)
Inconel 625 (UNS N06625)
F40
F46
FEP (Fluorinated Ethylene Propylene)
PVC (Polyvinyl chloride)
Nylon Encapsulated
etc..
1/8” 0.025”, 0.035”, 0.049” 80–120 50–4000
1/4” 0.035”, 0.049”, 0.065” 60–120 50–3000
3/8” 0.035”, 0.049”, 0.065” 60–120 50–2500
1/2” 0.035”, 0.049”, 0.065” 60–120 50–2000

ENCAPSULATED CONTROL LINE DIMENSIONAL TOLERANCES

SIZE OD NOMINAL WALL THICKNESS OUTSIDE DIAMETER TOLERANCE LENGTH TOLERANCE WALL THICKNESS TOLERANCE
(in) (mm) (in) (mm) (in) (mm) (in) (mm) (%)
½ 12.7 0.065 1.65 +/-0.005 +/-0.13 +⅛, -0 +3.18, -0 +/-10.0%
¾ 19.1 0.065 1.65 +/-0.005 +/-0.13 +⅛, -0 +3.18, -0 +/-10.0%
1 25.4 0.065 1.65 +/-0.005 +/-0.13 +⅛, -0 +3.18, -0 +/-10.0%
38.1 0.065 1.65 +/-0.008 +/-0.20 +⅛, -0 +3.18, -0 +/-10.0%
2 50.8 0.065 1.65 +/-0.008 +/-0.20 +⅛, -0 +3.18, -0 +/-10.0%
63.5 0.065 1.65 +/-0.010 +/-0.25 +⅛, -0 +3.18, -0 +/-10.0%
3 76.2 0.065 1.65 +/-0.010 +/-0.25 +⅛, -0 +3.18, -0 +/-10.0%
4 101.6 0.083 2.11 +/-0.015 +/-0.38 +⅛, -0 +3.18, -0 +/-10.0%
6 152.4 0.109 2.77 +/-0.030 +/-0.76 +1, -0 +25.4, -0 +/-10.0%
OD Wall
(inch)
Materials Standard Working Pressure
(MPa)
Length
1/8″ 0.02,0.028,0.035 Austenitic steel 304L (UNS S30403)
Austenitic steel 316L (UNS S31603)
Duplex 2205 (UNS S32205 & S31803)
Super Duplex 2507 (UNS S32750)
Incoloy 825 (UNS N08825)
Inconel 625 (UNS N06625)
ASTM-A 269
ASTM-A 632
ASTM-A 789
ASTM-B 704
60-120 Mpa Customized
3/16″ 0.02,0.028,0.035,0.049
1/4″ 0.02,0.028,0.035,0.049

0.065.0.083

5/16″
3/8″
1/2″
OD: Up to 1 Inch

The specification and length per coil can be customized according to customer’s requirements.

Encapsulation materials:Santoprene,F40;F46;FEP (Fluorinated Ethylene Propylene);PVC (Polyvinyl chloride);Nylon Encapsulated etc..

Chemical Composition,%
Standard ASTM A269 ASTM A789 ASTM B704
Material SS 304 SS 304L SS 316 SS 316L Duplex 2205 Super Duplex 2507 Incoloy 625 Incoloy 825
UNS S30400 S30403 S31600 S31603 S32205 S32750 N06625 N08825
C 0.080 0.035 0.080 0.035 0.030 0.030 0.10 0.05
Mn 2.00 2.00 2.00 2.00 2.00 1.20 0.50 1.00
P 0.045 0.045 0.045 0.045 0.030 0.035 0.015
S 0.030 0.030 0.030 0.030 0.020 0.020 0.015 0.030
Si 1.00 1.00 1.00 1.00 1.00 0.80 0.50 0.50
Ni 8.0-11.0 8.0-12.0 10.0-14.0 10.0-15.0 4.5-6.5 6.0-8.0 min 58.0 38.0-46.0
Cr 18.0-20.0 18.0-20.0 16.0-18.0 16.0-18.0 22.0-23.0 24.0-26.0 20.0-23.0 19.5-23.5
Mo 2.00-3.00 2.00-3.00 3.0-3.5 3.0-3.5 8.0-10.0 2.5-3.5
N 0.14-0.20 0.24-0.32
Cu 0.50 1.5-3.0
Fe 5.0 min 22.0
Al 0.4 0.2
Ti 0.40 0.6-1.2
Cb+Ta 3.15-4.15

Two joint of 3/8″ x 0.035″ Encapsulated Control Line flatpacked in a 24mm X 13mm jacket, The encapsulation materials can be Santoprene or others nominated by customer, two joint of control line tubing can be color coded. Tube material can be weather stailess steel or alloy steel like Incoloy 825 or Incoloy 625 . Inside of tube,can be pre-flushed, tested and supplied with any fluid,The Flatpack finally will be level wound on wooden drum  and install protector to prevent from mechanical damage.

The encapsulated tubing are designed to protect the (duplex) stainless steel tubing coils free from various harsh corrosion environments. Tube will be Encapsulated with high performance thermoplastic or elastomer materials, and could withstand the temperature of 150C or 200C operating temperature environments.The tube size and encapsulation material can be made as per requirement, Flatpack is also available.

Application:

  • Downhole hydraulic control lines.
  • Downhole chemical control lines.
  • Subsea control lines for hydraulic power and chemical injection.
  • Smoothbore control lines used in fibre optic applications.
  • Chemical Injection Lines
  • Capillary Tubing
  • Electrical Lines
  • Tubing Encapsulated Conductor
  • Intelligent Well Completions
  • Multi-Line Flat Packs

 

Contact us

Are you looking for a reliable supplier of stainless steel products from China? Are you afraid of being scammed by some dishonest ones? 

Wide Steel can not only supply quality ss products to worldwide customers, but also help customers investigate their supplier’s background in China.

If you need useful advice, just contact us freely.  Friendship first, business second.

Pro Service Team

Our professional service team are ready to answer any question from customers 24/7/365

Expert Engineers

The founder and the engineers have at least 10 year experiences in stainless steel industry

Top Quality Guarantee

We ship what we describled to customers, never ship low quality steel instead. We cherish our image and we want to be a company for more than 100 years.

Powerful Production Ability

We have more than 150 employees and also work with a lot of factories to fulfil our orders. We have powerful sources in China

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