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| Categories | Encapsulated Control Line |
|---|---|
| Brand Name: | Meilong Tube |
| Model Number: | 3 / 8 '' OD x 0.049 '' WT |
| Certification: | ISO9001 : 2015 |
| Place of Origin: | China |
| MOQ: | 5000 meters |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 100 metric tons per month (including duplex staubkess steel tubing, nickel alloy tubing) |
| Delivery Time: | 30 days |
| Packaging Details: | Level wound coiled on spools/drums, and packed in wooden cases |
| Tubing Standard: | ASTM A269 |
| Material: | 316L |
| UNS: | S31603 |
| Condition: | Annealed |
| Tubing Type: | Laser welded and redrawn |
| Industrial Standard: | NACE MR0175 / ISO15156 |
| Surface: | Highly clean and bright |
| Feature: | Extremely high burst pressure |
| Size: | Tight dimensional tolerances |
| Test: | 100% length is hydraulic tested |
| Company Info. |
| Suzhou Meilong Tube Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Hydrostatic Tested TPV Encapsulated Chemical Injection Line Flatpack for Down Holes
Meilong Tube manufactures high quality seamless and redrawn, seam-welded and redrawn coiled tubing which are made from corrosion-resistant austenitic, duplex, super duplex stainless steel and nickel alloy grades. 100% of products are used as hydraulic power control lines, chemical injection lines, alloy tubing in umbilicals and instrumentation tubing for the exploitation engineering in the upstream oil and gas industry.
Coiled tubing is available in sizes arrange from outer diameter 0.125 inch (3.175 millimeters) to 1 inch (25.4 millimeters). Wall thickness is up to 0.083 inch (2.108 millimeters). Lengths up to 65600 feet (20,000 meters) are available for cost-effective umbilical manufacturing. More sizes within the scope can be customized to be produced and delivered for meeting your special requirements.
Stainless steel 316L chemical injection line properties
Welded & floating internal plug redrawn tubing. Supplied in the annealed condition
Continuous length without orbital joint welds
| Alloy | UNS | O.D. | W.T. | Working Pressure | Burst Pressure | Collapse Pressure | Test Pressure | |
| inch | inch | inch | psi | psi | psi | psi | ||
| Stainless 316L | S31603 | 1/8 | 0.125 | 0.028 | 9,931 | 40,922 | 9,525 | 11,600 |
| Stainless 316L | S31603 | 1/8 | 0.125 | 0.035 | 12,640 | 52,042 | 11,056 | 15,225 |
| Stainless 316L | S31603 | 1/4 | 0.250 | 0.035 | 5,939 | 24,474 | 6,621 | 7,250 |
| Stainless 316L | S31603 | 1/4 | 0.250 | 0.049 | 8,572 | 35,322 | 8,632 | 10,150 |
| Stainless 316L | S31603 | 1/4 | 0.250 | 0.065 | 11,694 | 48,166 | 10,562 | 13,775 |
| Stainless 316L | S31603 | 3/8 | 0.375 | 0.035 | 3,818 | 15,731 | 4,659 | 4,350 |
| Stainless 316L | S31603 | 3/8 | 0.375 | 0.049 | 5,483 | 22,575 | 6,222 | 6,525 |
| Stainless 316L | S31603 | 3/8 | 0.375 | 0.065 | 7,517 | 30,951 | 7,865 | 8,700 |
| Stainless 316L | S31603 | 3/8 | 0.375 | 0.083 | 9,808 | 40,372 | 9,551 | 11,600 |
| Stainless 316L | S31603 | 1/2 | 0.500 | 0.049 | 4,003 | 16,480 | 4,835 | 5,075 |
| Stainless 316L | S31603 | 1/2 | 0.500 | 0.065 | 5,461 | 22,512 | 6,206 | 6,525 |
| Stainless 316L | S31603 | 1/2 | 0.500 | 0.083 | 7,133 | 29,364 | 7,648 | 8,700 |
| Stainless 316L | S31603 | 5/8 | 0.625 | 0.049 | 3,144 | 12,955 | 3,957 | 3,625 |
| Stainless 316L | S31603 | 5/8 | 0.625 | 0.065 | 4,285 | 17,630 | 5,105 | 5,075 |
| Stainless 316L | S31603 | 5/8 | 0.625 | 0.083 | 5,472 | 22,513 | 6,519 | 6,525 |
| Stainless 316L | S31603 | 3/4 | 0.750 | 0.049 | 2,619 | 10,791 | 3,296 | 2,900 |
| Stainless 316L | S31603 | 3/4 | 0.750 | 0.065 | 3,570 | 14,686 | 4,283 | 4,350 |
| Stainless 316L | S31603 | 3/4 | 0.750 | 0.083 | 4,558 | 18,753 | 5,431 | 5,800 |
As more oil and gas extractions move into deeper and harsher waters where extreme offshore environments demand extreme safety, our work is to help you use the “right” corrosion resistant material for coiled umbilical tubing to improve the safety and reliability of your work. This is the power for driving our innovations and continuous development.
Encapsulation Description
Encapsulation is a plastic that is extruded over metal tube. Encapsulation prevents damage to the metal tubes during the manufacturing process. The encapsulation also provides additional abrasion resistance and is required if cable protectors are installed to enhance the holding force over each production tubing connection.
Encapsulations are available in a wide range of configurations with options of single pass encapsulation and dual pass encapsulation for added protection.
Encapsulation material
- PP (Polypropylene) /TPR (Santoprene) / PA (Nylon) / PVDF / ETFE (Tefzel) / ECTFE (Halar) / FEP / PFA / ECA 3000 / PVC
Dimensional Tolerance for Chemical Injecton Line
| ASTM A269 / ASME SA269, SS 316L (UNS S31603) | ||
| Size OD | Tolerance OD | Tolerance WT |
1/8’’≤OD<3/16’’ (3.18≤OD<4.76 mm) 3/16≤OD<1/2’’ (4.76≤OD<12.7 mm) 1/2’’≤OD≤1’’ (12.7≤OD≤25.4 mm) | +0.003’’ (+0.08 mm) / -0 +0.004’’ (+0.10 mm) / -0 +0.005’’ (+0.13 mm) / -0 | ±10% ±10% ±10% |
Meilong Tube Standard
| Size OD | Tolerance OD | Tolerance WT |
1/8’’ ≤OD<3/16’’ (3.18≤OD<4.76 mm) 3/16≤OD<1/2’’ (4.76≤OD<12.7 mm) 1/2’’≤OD≤1’’ (12.7≤OD≤25.4 mm) | +0.003’’ (+0.08 mm) / -0 +0.004’’ (+0.10 mm) / -0 +0.004’’ (+0.10 mm) / -0 | ±10% ±10% ±8% |
Tests for Quality
Eddy current Surface roughness Hydrostatic Dimensional analysis Grain size Rockwell hardness | Yield strength Tensile strength Elongation Hardness Positive material identification (PMI) Corrosion resistance tests |
Features of Encapsulated Chemical Injection Line Flatpack
- Maximize protection of downhole line
- Increase crush resistance during installation
- Protect control line against abrasion and pinching
- Eliminate long term stress corrosion failure of control line
- Improve clamping profile
- Single or multiple encapsulation for ease of running and added protection
Packing
Hydraulic control line flatpack is level wound coiled on the metal / drums or spools.
All drums are packed in wooden crates for easy logistic operation.
Profiles of Single & Multiple Injection Lines Encapsulation
Round section
| 1/4’’ OD line tubing | 0.433’’ Dia (11.0 mm) |
| 3/8’’ OD line tubing | 0.535’’ Dia (13.6 mm) |
| 1/2’’ OD line tubing | 0.660’’ Dia (16.8 mm) |
Square section
| 1/4’’ OD line tubing | 0.433’’ x 0.433’’ (11.0 mm x 11.0 mm) |
| 3/8’’ OD line tubing | 0.535’’ x 0.535’’ (13.6 mm x 13.6 mm) |
| 1/2’’ OD line tubing | 0.660’’ x 0.660’’ (16.8 mm x 16.8 mm) |
Rectangular section
| 1/4’’ OD line x 1 | 0.710’’ x 0.410’’ (18.0 mm x 10.4 mm) |
| 1/4’’ OD line x 2 | 0.990’’ x 0.410’’ (25.1 mm x 10.4 mm) |
| 1/2’’ OD line x 2 | 1.220’’ x 0.669’’ (31.0 mm x 17.0 mm) |
| 1/2’’ OD line x 3 | 1.772’’ x 0.669’’ (45.0 mm x 17.0 mm) |
Other sizes on request
Available Alloy Grades for Control Line Tubing Inside Encapsulation
| Austenitic: | 316L |
| Duplex: | S31803/S32205 S32750 |
| Nickel alloy: | N08825 N06625 |
Features of Encapsulation Materials
| Polypropylene | -25C to 150C | Good resistance to brines |
Santoprene, TPV | -30C to 150C | Good resistance to brines |
Nylon 11, Rilsan 11 | -60C to 135C | Good resistance to hydrocarbons, good abrasion resistance |
| PVDF | -30C to 150C | Good resistance to brines and hydrocarbons, good abrasion resistance |
| FEP | -110C to 200C | Good resistance to brines and hydrocarbons |
Application
- Capillary coiled alloy tubing for chemical injection
- Bare and encapsulated hydraulic control line coiled alloy tubing for subsea safety valves
- Velocity strings, work strings, and steel tube umbilicals
- Geothermal coiled alloy tubing
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FEP TP316L Encapsulated Chemical Injection Line Hydraulic Control Line
TP316L PVDF Encapsulated Control Line Flatpack With Two Tubes High Pressure
Incoloy 825 Ss Capillary Tubes Hydraulic Control Line Flatpack With Multi Line
Duplex 2205 Encapsulated Control Line Flatpack With 3 Lines For Oil And Gas Fields
PVDF Encapsulated Ss Capillary Tube Control Line Flatpack For Oil And Gas Wells
UNS S32750 Encapsulated Control Line Super Duplex 2507 Rilsan Nylon
Duplex 2205 Encapsulated Control Line Santoprene TPV 1 / 2 '' OD X 0.065 '' WT
Uns S32205 Stainless Coil Tubing Duplex 2205 TPV Encapsulated Control
TPE PVDF Encapsulated Control Line Super Duplex 2507 Capillary Control Line Tubing
PVDF Encapsulated 304 Stainless Steel Capillary Tube Nickel Alloy
