Control Lines are widely used in many applications in the field of downhole and subsea. Baosheng manufactures high quality control lines / control line tubing in stainless steels and nickel alloys.
Encapsulation Line Tubes
Encapsulated Line Tubes for chemical injection
Control lines and chemical injection lines in austenitic stainless steel and duplex stainless steel. Baosheng’s range includes control lines and chemical injection lines in seamless or welded condition.
Baosheng’s service center is located in Changzhou, China(about 60 minutes from Shanghai by bullet train) holds extensive seamless coiled tube and laser welded tube stocks for control lines and chemical injection lines to ensure just-in-time deliveries. Baosheng also operates a complete package of additional services:
- Cut to length
- Hydrotesting
- Paint striping
- Encapsulation
- Flush and fill (acc. to Nas Class 8)
- Level wound on reels
- Customer specified packaging
- Direct delivery to site
Packing standards
- Coils wound on wooden spools
- Coils wound on customer-specific metal reels
- Full package marking service, customer specific
- Description
- Detailed Information
- Encapsulation materials
- Inquiry
Seamless control lines and chemical injection lines
The tables show materials, sizes and approvals for control lines and chemical injection lines in seamless condition.
Grade | UNS | C max. | Cr | Ni | Mo | N | Others |
---|---|---|---|---|---|---|---|
TP 316L | S31600/S31603 | 0.030 | 17.5 | 13 | 2.1 | – | – |
Alloy 825 | N08825 | 0.030 | 20 | 38.5 | 2.6 | – | Cu=1.7, Ti=0.7 |
28 | N08028 | 0.020 | 27 | 31 | 3.5 | – | Cu=1.0 |
2205 | S31803/S32205 | 0.030 | 22 | 5 | 3.2 | 0.18 | – |
2507 | S32750 | 0.030 | 25 | 7 | 4 | 0.3 | – |
* All materials are supplied in the solution annealed condition. Other grades can be offered on request.
Grade | Yield strength, psi (MPa) |
Tensile strength, psi (MPa) |
Elongation % |
---|---|---|---|
TP 316L | ≥32,000 (220) | ≥75,000 (515) | ≥35 |
Alloy 825 | ≥35,000 (240) | ≥80,000 (550) | ≥30 |
28 | ≥32,000 (220) | ≥100,000 (690) | ≥40 |
2205 | ≥70,000 (485) | ≥99,000 (680) | ≥25 |
2507 | ≥80,000 (550) | ≥116,000 (800) | ≥25 |
1) All materials in the solution annealed condition
Grade | UNS | PRE1) | CPT2) o F (oC) |
Max. H2S3 psi | CO24) |
---|---|---|---|---|---|
TP 316L | S31600/S31603 | ≥24 | 95 (35) | No Limit | + |
Alloy 825 | N08825 | ≥29 | 140 (60) | No Limit | ++ |
28 | N08028 | ≥39 | 150 (65) | No Limit | ++ |
2205 | S31803/S32205 | ≥35 | 150 (65) | 1.5 | + |
2507 | S32750 | ≥42.5 | 195 (90) | 3 | ++ |
1) PRE = (%Cr) + 3.3 (%Mo) +16 (%N)
2) Critical Pitting Temperature in neutral solution with approximately 3% chlorides
3) Per NACE MR0175 / ISO 15156 for downhole control lines in the solution annealed condition
4) General resistance to CO2 corrosion. ‘++’ indicates better resistance than ‘+’
Outside diameter | Wall thickness | Max single coil length (TP 316L) | Max single coil length (A825) |
Max LLBW1) 2) | |||
---|---|---|---|---|---|---|---|
in. | in. | m | ft | m | ft | m | ft |
1/4 | 0.035 | 252 | 827 | 640 | 2,100 | 29,000 | 95,149 |
1/4 | 0.049 | 192 | 630 | 488 | 1,601 | 22,000 | 72,182 |
1/4 | 0.065 | 158 | 518 | 401 | 1,316 | 18,000 | 59,058 |
3/8 | 0.035 | 159 | 522 | 404 | 1,326 | 18,000 | 59,058 |
3/8 | 0.049 | 118 | 387 | 300 | 984 | 14,000 | 45,934 |
3/8 | 0.065 | 94 | 308 | 239 | 784 | 11,000 | 36,091 |
3/8 | 0.083 | 78 | 256 | 199 | 653 | 9,000 | 29,529 |
1/2 | 0.035 | 116 | 381 | 296 | 971 | 13,000 | 24,653 |
1/2 | 0.049 | 85 | 279 | 217 | 712 | 10,000 | 32,810 |
1/2 | 0.065 | 67 | 220 | 171 | 561 | 7,500 | 24,608 |
1/2 | 0.083 | 55 | 180 | 139 | 456 | 6,000 | 19,686 |
5/8 | 0.035 | 92 | 302 | 234 | 767 | 10,750 | 35,271 |
5/8 | 0.049 | 67 | 220 | 171 | 561 | 7,500 | 24,608 |
5/8 | 0.065 | 52 | 171 | 131 | 430 | 6,100 | 20,014 |
5/8 | 0.083 | 25 | 82 | 25 | 82 | 5,000 | 16,405 |
3/4 | 0.035 | 25 | 82 | 25 | 82 | – | – |
3/4 | 0.049 | 25 | 82 | 25 | 82 | – | – |
3/4 | 0.065 | 25 | 82 | 25 | 82 | – | – |
3/4 | 0.083 | 25 | 82 | 25 | 82 | – | – |
1) Long length can be manufactured but with welded joint.
Category | Classification | Material | Size | |
Structure | Cable | Conductor | 铜 Copper | φ0.040in |
Insulation | FEP | φ0.103in*0.031in | ||
Filler | PP | φ0.178in*0.037in | ||
Tubing | 2507 | 3*φ1/4in*0.036in | ||
825 | 1*φ1/4in*0.036in | |||
Encapsulation | TPV | 1.299in*0.433in | ||
Property
|
1.The tube material is 825,yield strength of the tube is 40,000psi, tensile strength is 70,000psi. The tube material is 2507,yield strength of the tube is 80,000psi, tensile strength is 116,000psi.
2.Insulation material FEP temperature range: -110℃-200℃,the density 2.15g/cm3.
3.The filler material PP temperature range:-30℃-120℃,the density 0.92g/cm3
4.Encapsulation material TPV temperature range: - 30 ℃ -- 150 ℃, the density 1.77 g/cm3.
|
Encapsulation materials
Baosheng offers a wide range of encapsulation materials. The most frequent ones can be found in the table below. Other encapsulation materials can be offered upon request.
Material rating on a scale of 1 to 5 (1=not good, 5=excellent)
Materials | Max temp. oF (Co) |
Abrasion resistance | Resistance to inhibited brine well fluids | Resistance to oil/diesel well fluids |
---|---|---|---|---|
Polypropylene | 150 (65) | 2 | 5 | 3 |
Nylon 11 | 200 (93) | 4 | 3 | 3 |
PVC | 174 (79) | 3 | 2 | 3 |
TPV | 275 (135) | 3 | 5 | 3 |
Halar | 300 (149) | 4 | 4 | 5 |
PVDF | 310 (154) | 4 | 3 | 5 |
MPH340G | 340 /171) | 4 | 4 | 5 |