External Upset Tubing

 

  • With two tubing upsetting production lines, Sanjack has an annual upsetting capacity of 20,000 tons.
  • Tubing threads strictly comply with Intl Standard. The internal control and accuracy of thread parameters is higher than Intl Standard standard.
  • Magnetic Flux Leakage Testing, Ultrasonic Flaw Testing, Magnetic Particle Testing, Tubing Integrity Testing.
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Upsetting is a forging process that creates thicker wall at the pipe ends. External Upsetting Tubing (EUE) is a long tubing with joint installed in a wellbore to facilitate the extraction of oil and gas. The tubing joints are designed to fit specific well types based on the subsurface conditions and fluids. It acts as a conduit, through which the produced fluids or gas is transported from the bottom to the surface. A tubing joint is relatively a single length pipe that can vary in length anywhere from 25 to 30 feet. This ideal length facilitates production as the tubing connections are threaded on both ends and can be passed down wells of any depth.
external upset

Types of Integral Connections：
external upset supplier

1. The upsetting process has enhanced the connection strength of the joints.
2. With the help of thread compound, the external upset tubing can be sealed. There is a space of 0.076mm between the rest and root of the thread. When the thread is screwed up, this space will be filled with thread compound. When the thread compound is solidified, it will jam the space to realize the sealing effect.
3. Coupling of external upset tubing has light weight (Its minimum weight is 1.55kg and the maximum weight is 6.02kg). Customers can feel convenient to install and use it.
4. Our product has undergone the manual thread inspection, the nondestructive coupling test, the surface paint spraying and other processes. Therefore, reliable quality of the product and stability of the oil tube connection are ensured.

Tubing Pipe Dimensions and Weight Chart for API non-upset, external upset, and integral tubing connections

 

 Labels  Outside dia.  Nominal linear masses  Wall thickness  Inside dia. Mass gain or loss due to end finishing lb
 Plain end External upset  Integral joint
 1 2 Non-upset Ext.upsetT&C Integraljoint Non-upset  Regular Special clearance
NU T&C EU T&C IJ D (in) lb/ft lb/ft lb/ft t (in) d (in)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1.050 1.14 1.20 1.050 1.14 1.20 0.113 0.824 1.13 0.20 1.40
1.050 1.48 1.54 1.050 1.48 1.54 0.154 0.742 1.48 1.32
1.315 1.70 1.80 1.72 1.315 1.70 1.80 1.72 0.133 1.049 1.68 0.40 1.40 0.20
1.315 2.19 2.24 1.315 2.19 2.24 0.179 0.957 2.17 1.35
1.660 2.09 2.10 1.660 2.10 0.125 1.410 2.05 0.20
1.660 2.30 2.40 2.33 1.660 2.30 2.40 2.33 0.140 1.380 2.27 0.80 1.60 0.20
1.660 3.03 3.07 1.660 3.03 3.07 0.191 1.278 3.00 1.50
1.900 2.40 2.40 1.990 2.40 0.125 1.650 2.37 0.20
1.900 2.75 2.90 2.76 1.990 2.75 2.90 2.76 0.145 1.610 2.72 0.60 2.00 0.20
1.900 3.65 3.73 1.990 3.65 3.73 0.200 1.500 3.63 2.03
1.900 4.42 1.990 4.42 0.250 1.400 4.41
1.900 5.15 1.990 5.15 0.300 1.300 5.13
2.063 3.24 2.063 3.25 0.156 1.751 3.18 0.20
2.063 4.50 2.063 0.225 1.613 4.42
2 3/8 4.00 2.375 4.00 0.167 2.041 3.94 1.60
2 3/8 4.60 4.70 2.375 4.60 4.70 0.190 1.995 4.44 1.60 4.00 2.96
2 3/8 5.80 5.95 2.375 5.80 5.95 0.254 1.867 5.76 1.40 3.60 2.56
2 3/8 6.60 2.375 6.60 0.295 1.785 6.56
2 3/8 7.35 7.45 2.375 7.35 7.45 0.336 1.703 7.32
2 7/8 6.40 6.50 2.875 6.40 6.50 0.217 2.441 6.17 3.20 5.60 3.76
2 7/8 7.80 7.90 2.875 7.80 7.90 0.276 2.323 7.67 0.80 5.80 3.92
2 7/8 8.60 8.70 2.875 8.60 8.70 0.308 2.259 8.45 2.60 5.00 3.16
2 7/8 9.35 9.45 2.875 9.35 9.45 0.340 2.195 9.21
2 7/8 10.50 2.875 10.50 0.392 2.091 10.40
2 7/8 11.50 2.875 11.50 0.440 1.995 11.45
3 1/2 7.70 3.500 7.70 0.216 3.068 7.58 5.40
3 1/2 9.20 9.30 3.500 9.20 9.30 0.254 2.992 8.81 5.00 9.20 5.40
3 1/2 10.20 3.500 10.20 0.289 2.992 9.92 4.80
3 1/2 12.70 12.95 3.500 12.70 12.95 0.375 2.750 12.53 4.00 8.20 4.40
3 1/2 14.30 3.500 14.30 0.430 2.640 14.11
3 1/2 15.50 3.500 15.50 0.476 2.548 15.39
3 1/2 17.00 3.500 17.00 0.530 2.440 16.83
4 9.50 4.000 9.50 0.226 3.548 9.12 6.20
4 10.70 11.00 4.000 11.00 0.262 3.476 10.47 10.60
4 13.20 4.000 13.20 0.330 3.340 12.95
4 16.10 4.000 16.10 0.415 3.170 15.90
4 18.90 4.000 18.90 0.500 3.000 18.71
4 22.20 4.000 22.20 0.610 2.780 22.11
4 1/2 12.60 12.75 4.500 12.60 12.75 0.271 3.958 12.25 6.00 13.20
4 1/2 15.20 4.500 15.20 0.337 3.826 15.00
4 1/2 17.00 4.500 17.00 0.380 3.740 16.77
4 1/2 18.90 4.500 18.90 0.430 3.640 18.71
4 1/2 21.50 4.500 21.50 0.500 3.500 21.38
4 1/2 23.70 4.500 23.70 0.560 3.380 23.59
4 1/2 26.10 4.500 26.10 0.630 3.240 26.06

 

Chemical Composition

 

Chemical Composition, a mass fraction (%)
Group Grade Type C Mn Mo Cr Ni Cu P S Si
min. max. min. max. min. max. min. max. max. max. max. max. max
 

 

1

 H40 — — — — — — — — — — — 0.03 0.03 —
J55 — — — — — — — — — — — 0.03 0.03 —
N80 1 — — — — — — — — — — 0.03 0.03 —
N80 Q — — — — — — — — — — 0.03 0.03 —
R95 — — 0.45 — 1.90 — — — — — — 0.03 0.03 0.45
 

 

2

 M65 — — — — — — — — — — — 0.03 0.03 —
L80 1 — 0.43 — 1.90 — — — — 0.25 0.35 0.03 0.03 0.45
L80 9Cr — 0.15 0.30 0.60 0.90 1.10 8.00 10.00 0.50 0.25 0.02 0.01 1
L80 13Cr 0.15 0.22 0.25 1.00 — — 12.00 14.00 0.50 0.25 0.02 0.01 1
C90 1 — 0.35 — 1.20 0.25 0.85 — 1.50 0.99 — 0.02 0.01 —
T95 1 — 0.35 — 1.20 0.25 0.85 0.40 1.50 0.99 — 0.02 0.01 —
C110 — — 0.35 1.20 0.25 1.00 0.40 1.50 0.99 0.02 0.005 —
3 P110 — — — — — — — — — — 0.03 0.03 —
4 Q125 1 — 0.35 — 1.35 — 0.85 — 1.50 0.99 — 0.02 0.01 —
  • The carbon content for L80 may be increased up to 0,50 % maximum if the product is oil-quenched.
  • The molybdenum content for Grade C90 Type 1 has no minimum tolerance if the WT is less than 17,78 mm.
  • The carbon content for R95 may be increased up to 0,55 % maximum if the product is oil-quenched.
  • The molybdenum content for T95 Type 1 may be decreased to 0,15 % minimum if the WT is less than 17,78 mm.
  • For EW Grade P110, the phosphorus content shall be 0,020 % maximum and the sulfur content 0,010 % maximum. NL = no limit. Elements shown shall be reported in product analysis.

 

Mechanical Properties

 

Mechanical Properties
Group Grade Type Total elongationunder load Yield strength MPa Tensile strength min. Hardness max.
% min. max. MPa HRC HBW
 

 

1

 H40 — 0.5 276 552 414 — —
J55 — 0.5 379 552 517 — —
K55 — 0.5 379 552 655 — —
N80 1 0.5 552 758 689 — —
N80 Q 0.5 552 758 689 — —
R95 — 0.5 655 758 724 — —
 

 

2

 M65 — 0.5 448 586 586 22 235
L80 1 0.5 552 655 655 23 241
L80 9Cr 0.5 552 655 655 23 241
L80 13Cr 0.5 552 655 655 23 241
C90 1 0.5 621 724 689 25.4 255
T95 1 0.5 655 758 724 25.4 255
C110 — 0.7 758 828 793 30 286
3 P110 — 0.6 758 965 862 — —
4 Q125 1 0.65 862 1034 931 —
  1. In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method
  2. No hardness limits, but the maximum variation is controlled by the manufacturer acc API 5ct

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