El revestimiento de pozo API SPEC 5CT se utiliza para fijar la pared del pozo o el fondo del pozo, que tiene diámetros más amplios. API SPEC 5CT se puede dividir en carcasa de conductor, carcasa técnica y carcasa de aceite.
Carcasa API 5CT |
Rango 1 |
Rango 2 |
Rango 3 |
4,88 ~ 7,62 |
7,62 ~ 10,36 |
10,36 ~ 14,63 |
Casing&tubing y sus colores:
Etiquetas |
OD(mm) |
WT(mm) |
J55/K55 |
N80 |
L80 |
C90/T95 |
P110 |
Q125 |
|
4 1/2 |
9.5 |
114.3 |
5.21 |
PS |
- |
- |
- |
- |
- |
10.5 |
114.3 |
5.69 |
PSB |
- |
- |
- |
- |
- |
|
11.6 |
114.3 |
6.36 |
PSLB |
PLB |
PLB |
PLB |
PLB |
- |
|
13.5 |
114.3 |
7.37 |
- |
PLB |
PLB |
PLB |
PLB |
- |
|
15.1 |
114.3 |
8.56 |
- |
- |
- |
- |
PLB |
PLB |
|
5 |
11.5 |
127 |
5.59 |
PS |
- |
- |
- |
- |
- |
13 |
6.43 |
PSLB |
- |
- |
- |
- |
- |
||
15 |
7.52 |
PSLBE |
PLBE |
PLBE |
PLBE |
PLBE |
- |
||
18 |
9.19 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
PLBE |
||
21.4 |
11.10 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
||
23.2 |
12.14 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
||
24.1 |
12.7 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
||
5 1/2 |
14 |
139.7 |
6.20 |
PS |
- |
- |
- |
- |
- |
15.5 |
6.98 |
PSLBE |
- |
- |
- |
- |
- |
||
17 |
7.72 |
PSLBE |
PLBE |
PLBE |
PLBE |
PLBE |
- |
||
20 |
9.17 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
- |
||
23 |
10.54 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
PLBE |
||
26.8 |
12.7 |
- |
- |
- |
P |
- |
- |
||
29.7 |
14.27 |
- |
- |
- |
P |
- |
- |
||
32.6 |
15.88 |
- |
- |
- |
P |
- |
- |
||
35.3 |
17.45 |
- |
- |
- |
P |
- |
- |
||
38 |
19.05 |
- |
- |
- |
P |
- |
- |
||
40.5 |
20.62 |
- |
- |
- |
P |
- |
- |
||
43.1 |
64.14 |
- |
- |
- |
P |
- |
- |
||
6 5/8 |
20 |
168.28 |
7.32 |
PSLB |
|
|
|
|
|
24 |
8.94 |
PSLBE |
PLBE |
PLBE |
PLBE |
PLBE |
- |
||
28 |
10.59 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
- |
||
32 |
12.06 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
PLBE |
||
7 |
20 |
177.8 |
6.91 |
PS |
|
|
|
|
|
23 |
8.05 |
PSLBE |
PLBE |
PLBE |
PLBE |
- |
- |
||
26 |
9.19 |
PSLBE |
PLBE |
PLBE |
PLBE |
PLBE |
- |
||
29 |
10.6 |
|
PLBE |
PLBE |
PLBE |
PLBE |
|
||
32 |
11.51 |
|
PLBE |
PLBE |
PLBE |
PLBE |
|
||
35 |
12.65 |
|
PLBE |
PLBE |
PLBE |
PLBE |
PLBE |
||
38 |
13.72 |
|
PLBE |
PLBE |
PLBE |
PLBE |
PLBE |
||
7 5/8 |
26.4 |
193.67 |
8.33 |
PSLBE |
PLBE |
PLBE |
PLBE |
- |
- |
29.7 |
9.52 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
- |
||
33.7 |
10.92 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
- |
||
39 |
12.7 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
PLBE |
||
42.8 |
14.27 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
||
45.3 |
15.11 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
||
47.1 |
15.88 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
||
8 5/8 |
24 |
219.08 |
6.71 |
PS |
- |
- |
- |
- |
- |
28 |
7.72 |
- |
- |
- |
- |
- |
- |
||
32 |
8.94 |
PSLBE |
- |
- |
- |
- |
- |
||
36 |
10.16 |
PSLBE |
PLBE |
PLBE |
PLBE |
- |
- |
||
40 |
11.43 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
- |
||
44 |
12.70 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
- |
||
49 |
14.15 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
PLBE |
||
9 5/8 |
36 |
244.48 |
8.94 |
PSLB |
- |
- |
- |
- |
- |
40 |
10.03 |
PSLBE |
PLBE |
PLBE |
PLBE |
- |
- |
||
43.5 |
11.05 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
|
||
47 |
11.99 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
PLBE |
||
53.5 |
13.84 |
- |
PLBE |
PLBE |
PLBE |
PLBE |
PLBE |
||
58.4 |
15.11 |
- |
PLB |
PLB |
PLB |
PLB |
PLB |
||
10 3/4 |
40.5 |
273.05 |
8.89 |
PSB |
- |
- |
- |
- |
- |
45.5 |
10.16 |
PSBE |
- |
- |
- |
- |
- |
||
51 |
11.43 |
PSBE |
PSBE |
PSBE |
PSBE |
PSBE |
- |
||
55 |
12.57 |
- |
PSBE |
PSBE |
PSBE |
PSBE |
- |
||
60.7 |
13.84 |
- |
- |
- |
PSBE |
PSBE |
PSBE |
||
65.7 |
15.11 |
- |
- |
- |
PSB |
PSB |
PSB |
||
113/4 |
47 |
298.45 |
9.53 |
PSB |
- |
- |
- |
- |
- |
54 |
11.05 |
PSB |
- |
- |
- |
- |
- |
||
60 |
12.42 |
PSB |
PSB |
PSB |
PSB |
PSB |
PSB |
||
13 3/8 |
48 |
339.72 |
8.38 |
- |
- |
- |
- |
- |
- |
54.5 |
9.65 |
PSB |
- |
- |
- |
- |
- |
||
61 |
10.92 |
PSB |
- |
- |
- |
- |
|
||
68 |
12.19 |
PSB |
PSB |
PSB |
PSB |
PSB |
- |
||
72 |
13.06 |
- |
PSB |
PSB |
PSB |
PSB |
PSB |
||
16 |
75 |
406 |
11.13 |
PSB |
- |
- |
- |
- |
- |
84 |
12.57 |
PSB |
- |
- |
- |
- |
- |
||
109 |
16.66 |
P |
P |
P |
- |
P |
P |
||
20 |
94 |
508 |
11.13 |
PSLB |
- |
- |
- |
- |
- |
30 |
96 |
762 |
16.13 |
PSLB |
- |
- |
- |
- |
- |
P - extremo plano; S - hilo redondo corto; L - hilo redondo largo; B - hilos de muelle; Línea e - Extreme; |
API Spec 5CT – Specification 5CT/ISO 11960, Specification for Casing and Tubing, Eighth Edition, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells
Mechanical Properties
Grade |
Type |
Total elongation under load % |
Yield Strength M pa |
Tensile strength min Mpa |
Hardness |
Specified wall thickness mm |
Allowable hardness variation |
||
HRC |
|||||||||
min |
max |
HRC |
HBW |
||||||
J55 |
- |
0.5 |
379 |
552 |
517 |
- |
- |
- |
- |
K55 |
- |
0.5 |
379 |
552 |
655 |
- |
- |
- |
- |
N80
|
1 |
0.5 |
552 |
758 |
689 |
- |
- |
- |
- |
Q |
0.5 |
552 |
758 |
689 |
- |
- |
- |
- |
|
M65 |
- |
0.5 |
448 |
586 |
586 |
22 |
235 |
- |
- |
L80
|
1 |
0.5 |
552 |
655 |
655 |
23 |
241 |
- |
- |
9Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
- |
- |
|
13Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
- |
- |
|
C90 |
1、2 |
0.5 |
621 |
724 |
689 |
25.4 |
255 |
≤12.70 |
3.0 |
1、2 |
0.5 |
621 |
724 |
689 |
25.4 |
255 |
12.71-19.04 |
4.0 |
|
1、2 |
0.5 |
621 |
724 |
689 |
25.4 |
255 |
19.05-25.39 |
5.0 |
|
1、2 |
0.5 |
621 |
724 |
689 |
25.4 |
255 |
≥25.4 |
6.0 |
|
C95 |
- |
0.5 |
655 |
724 |
724 |
- |
- |
- |
- |
T95 |
1、2 |
0.5 |
655 |
724 |
724 |
25.4 |
255 |
≤12.70 |
3.0 |
1、2 |
0.5 |
655 |
724 |
724 |
25.4 |
255 |
12.71-19.04 |
4.0 |
|
1、2 |
0.5 |
655 |
724 |
724 |
25.4 |
255 |
19.05-25.39 |
5.0 |
|
1、2 |
0.5 |
655 |
724 |
724 |
25.4 |
255 |
≥25.4 |
6.0 |
|
P110 |
- |
0.6 |
758 |
965 |
862 |
- |
- |
- |
- |
Q125 |
All |
0.65 |
862 |
1034 |
931 |
b |
- |
≤12.70 |
3.0 |
All |
0.65 |
862 |
1034 |
931 |
b |
- |
12.71-19.04 |
4.0 |
|
All |
0.65 |
862 |
1034 |
931 |
b |
- |
≥19.05 |
5.0 |
Chemical Composition
Standard |
Grade |
Composition(%) |
||||||||||
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
AIs |
||
API SPEC 5CT |
J55 |
0.34~0.39 |
0.20~ |
1.25~1.50 |
≤0.020 |
≤0.015 |
≤0.15 |
≤0.20 |
≤0.20 |
|
|
≤0.020 |
K55· |
||||||||||||
N80 |
0.34~0.38 |
0.20~ |
1.45~1.70 |
≤0.020 |
≤0.015 |
≤0.15 |
/ |
/ |
/ |
0.11 |
≤0.020 |
|
L80 |
0.15~0.22 |
≤1.00 |
0.25~1.00 |
≤0.020 |
≤0.010 |
12.0~ |
≤0.20 |
≤0.20 |
/ |
/ |
≤0.020 |
|
P110 |
0.26~0.35 |
0.17~ |
0.40~0.70 |
≤0.020 |
≤0.010 |
0.80~ |
≤0.20 |
≤0.20 |
0.15 |
≤0.08 |
≤0.020 |