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Casing & tubing

API Casing& Tubing

Casing is the major structural component of a well. Casing is needed to:

·        Maintain borehole stability

·        Prevent contamination of water sands

·        Isolate water from producing formations

·        Control well pressures during drilling, production, and workover operations

Casing provides locations for the installation of:

·        Blowout preventers

·        Wellhead equipment

·        Production packers

·        Production tubing

The cost of casing is a major part of the overall well cost, so selection of casing size, grade, connectors, and setting depth is a primary engineering and economic consideration.

Casing strings

There are six basic types of casing strings:

·        Conductor Casing

·        Surface Casing

·        Intermediate Casing

·        Production Casing

·        Liner

·        Liner tieback casing

 

 

 

 

 

 

Labels Nominal Linear masses  Wall Thickness(in) Type of End-finish
1      2 O.D.(in) Ext-upset T&C(Ib/ft) Non-upset T&C(Ib/ft) Integ.joint(Ib/ft)
NU T&C EU T&C IJ H40 J55 L80/R95 N80 Type1.Q C90 T95 P110
1    2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
2 3/8" 4     2.375 4     0.167 PN PN PN PN PN PN  
4.6 4.7   2.375 4.6 4.7   0.19 PNU PNU PNU PNU PNU PNU PNU
5.8 5.95   2.375 5.8 5.95   0.254     PNU PNU PNU PNU PNU
6.6     2.375 6.6     0.295     P   P P  
7.35 7.45   2.375 7.36 7.45   0.336     PU   PU PU  
2 7/8" 6.4 6.5   2.875 6.4 6.5   0.217 PNU PNU PNU PNU PNU PNU PNU
7.8 7.9   2.875 7.8 7.9   0.276     PNU PNU PNU PNU PNU
8.6 8.7   2.875 8.6 8.7   0.308     PNU PNU PNU PNU PNU
9.35 9.45   2.875 9.35 9.45   0.34     PU   PU PU  
10.5     2.875 10.5     0.392     P   P P  
11.5     2.875 11.5     0.44     P   P P  
3 1/2" 7.7     3.5 7.7     0.216 PN PN PN PN PN PN  
9.2 9.3   3.5 9.2 9.3   0.254 PNU PNU PNU PNU PNU PNU PNU
10.2     3.5 10.2     0.289 PN PN PN PN PN PN  
12.7 12.95   3.5 12.7 12.9   0.375     PNU PNU PNU PNU PNU
14.3     3.5 14.3     0.43     P   P P  
15.5     3.5 15.5     0.476     P   P P  
17     3.5 17     0.53     P   P P  
4" 9.5     4 9.5     0.226 PN PN PN PN PN PN  
10.7 11   4   11   0.262 PU PU PU PU PU PU  
13.2     4 13.2     0.33     P   P P  
16.1     4 16.1     0.415     P   P P  
18.9     4 18.9     0.5     P   P PP  
22.2     4 22.2     0.61     P   P    
4 1/2" 12.6 12.75   4.5 12.6 12.75   0.271 PNU PNU PNU PNU PNU PNU  
15.2     4.5 15.2     0.337     P   P P  
17     4.5 17     0.38     P   P P  
18.9     4.5 18.9     0.43     P   P P  
21.5     4.5 21.5     0.5     P   P P  
23.7     4.5 23.7     0.56     P   P P  
26.1     4.5 26.1     0.63     P   P P  



 

 

Casing & tubing

عرض طلب اسعار

Size Weight Outside Wall Type of end finish
Designation Designation Diameter Thickness Grade
In Mm In Mm J55/K55 L80-1 N80 C90 C95 T95 P110 M65
4  1/2" 9.5 4.5 114.3 0.21 5.21 PS - - - - - - -
10.5 4.5 114.3 0.22 5.69 PSB - - - - - - -
11.6 4.5 114.3 0.25 6.35 PSLB PLB PLB PLB PLB PLB PLB PLB
13.5 4.5 114.3 0.29 7.37 - - PLB PLB PLB PLB PLB PLB
15.1 4.5 114.3 0.34 8.56 - - - - - - PLB -
5 11.5 5 127 0.22 5.59 PS - - - - - - -
13 5 127 0.25 6.43 PSLB - - - - - - -
15 5 127 0.3 7.52 PSLB PLB PLB PLB PLB PLB PLB PLB
18 5 127 0.36 9.19 - PLB PLB PLB PLB PLB PLB PLB
5 21.4 5 127 0.44 11.1 - PLB PLB PLB PLB PLB PLB PLB
23.2 5 127 0.48 12.14 - PLB PLB PLB PLB PLB PLB PLB
24.1 5 127 0.5 12.7 - PLB PLB PLB PLB PLB PLB PLB
5  /2" 14 5.5 139.7 0.24 6.2 PS - - - - - - -
15.5 5.5 139.7 0.28 6.99 PSLB - - - - - - -
17 5.5 139.7 0.3 7.72 PSLB PLB PLB PLB PLB PLB PLB PLB
20 5.5 139.7 0.36 9.17 - PLB PLB PLB PLB PLB PLB PLB
23 5.5 139.7 0.42 10.54 - PLB PLB PLB PLB PLB PLB PLB
26.8 5.5 139.7 0.5 12.7 - - - P - P - -
29.7 5.5 139.7 0.56 14.27 - - - P - P - -
32.6 5.5 139.7 0.63 15.88 - - - P - P - -
35.3 5.5 139.7 0.69 17.45 - - - P - P - -
38 5.5 139.7 0.75 19.05 - - - P - P - -
40.5 5.5 139.7 0.81 20.62 - - - P - P - -
43.1 5.5 139.7 0.88 22.22 - - - P - P - -
6  5/8" 20 6.63 168.28 0.29 7.32 PSLB - - - - - - -
24 6.63 168.28 0.35 8.94 PSLB PLB PLB PLB PLB PLB PLB PLB
26 6.63 168.28 0.42 10.59 - PLB PLB PLB PLB PLB PLB PLB
32 6.63 168.28 0.48 12.06 - PLB PLB PLB PLB PLB PLB PLB
7" 20 7 177.8 0.27 6.91 PS - - - - - - PS
23 7 177.8 0.32 8.05 PSLB PLB PLB PLB PLB - - PLB
26 7 177.8 0.36 9.19 PSLB PLB PLB PLB PLB PLB PLB PLB
29 7 177.8 0.41 10.36 - PLB PLB PLB PLB PLB PLB PLB
32 7 177.8 0.45 11.51 - PLB PLB PLB PLB PLB PLB PLB
35 7 177.8 0.5 12.65 - PLB PLB PLB PLB PLB PLB PLB
38 7 177.8 0.54 13.72 - PLB PLB PLB PLB PLB PLB PLB
7  5/8" 26.4 7.63 193.68 0.33 8.33 PSLB PLB PLB PLB PLB PLB PLB PLB
29.7 7.63 193.68 0.38 9.52 - PLB PLB PLB PLB PLB PLB PLB
33.7 7.63 193.68 0.43 10.92 - PLB PLB PLB PLB PLB PLB PLB
39 7.63 193.68 0.5 12.7 - PLB PLB PLB PLB PLB PLB PLB
42.8 7.63 193.68 0.56 14.27 - PLB PLB PLB PLB PLB PLB PLB
45.3 7.63 193.68 0.6 15.11 - PLB PLB PLB PLB PLB PLB PLB
47.1 7.63 193.68 0.63 15.68 - PLB PLB PLB PLB PLB PLB PLB
8  5/8" 24 8.63 219.08 0.26 6.71 PS - - - - - - -
28 8.63 219.08 0.3 7.72 - - - - - - - -
32 8.63 219.08 0.35 8.94 PSLB - - - - - - -
36 8.63 219.08 0.4 10.16 PSLB PLB PLB PLB PLB PLB PLB  
40 8.63 219.08 0.45 11.43 - PLB PLB PLB PLB PLB PLB PLB
44 8.63 219.08 0.5 12.7 - PLB PLB PLB PLB PLB PLB PLB
49 8.63 219.08 0.56 14.15 - PLB PLB PLB PLB PLB PLB PLB
9  5/8" 32.3 9.63 244.48 0.31 7.92 - - - - - - - -
36 9.63 244.48 0.35 8.94 PSLB - - - - - - PSLB
40 9.63 244.48 0.4 10.03 PSLB PLB PLB PLB PLB PLB   PSLB
43.5 9.63 244.48 0.44 11.05 - PLB PLB PLB PLB PLB PLB PLB
47 9.63 244.48 0.47 11.99 - PLB PLB PLB PLB PLB PLB PLB
53.5 9.63 244.48 0.55 13.84 - PLB PLB PLB PLB PLB PLB -
58.4 9.63 244.48 0.6 15.11 - PLB PLB PLB PLB PLB PLB -
59.4 9.63 244.48 0.61 15.47 - - - P - P - -
64.9 9.63 244.48 0.67 17.07 - - - P - P - -
70.3 9.63 244.48 0.73 18.64 - - - P - P - -
75.6 9.63 244.48 0.8 20.24 - - - P - P - -
10  3/4" 32.75 10.75 273.05 0.28 7.09 - - - - - - - -
40.5 10.75 273.05 0.35 8.89 PSB - - - - - - PSB
10  3/4" 45.5 10.75 273.05 0.4 10.16 PSB - - - - - - PSB
51 10.75 273.05 0.45 11.43 PSB PSB PSB PSB PSB PSB PSB PSB
55.5 10.75 273.05 0.5 12.57 - PSB PSB PSB PSB PSB PSB PSB
60.7 10.75 273.05 0.55 13.84 - - - PSB - PSB PSB -
65.7 10.75 273.05 0.96 15.11 - - - PSB - PSB PSB -
73.2 10.75 273.05 0.67 17.07 - - - P - P - -
79.2 10.75 273.05 0.73 18.64 - - - P - P - -
85.3 10.75 273.05 0.8 20.24 - - - P - P - -
11  3/4" 42 11.75 298.45 0.33 8.46 - - - - - - - -
47 11.75 298.45 0.38 9.53 PSB - - - - - - PSB
54 11.75 298.45 0.44 11.05 PSB - - - - - - PSB
60 11.75 298.45 0.49 12.42 PSB PSB PSB PSB PSB PSB PSB PSB
65 11.75 298.45 0.53 13.56 - P P P P P P -
71 11.75 298.45 0.58 14.78 - P P P P P P -
13  3/8" 48 13.38 339.72 0.33 8.38 - - - - - - - -
54.5 13.38 339.72 0.38 9.65 PSB - - - - - - PSB
61 13.38 339.72 0.43 10.92 PSB - - - - - - PSB
68 13.38 339.72 0.48 12.19 PSB PSB PSB PSB PSB PSB PSB PSB
72 13.38 339.72 0.54 13.06 - PSB PSB PSB PSB PSB PSB -
16" 65 16 406.4 0.38 9.53 - - - - - - - -
75 16 407.4 0.44 11.13 PSB - - - - - - PSB
84 16 408.4 0.5 12.57 PSB - - - - - - -
109 16 409.4 0.66 16.66 PSB P P - - - P -
18 5/8" 87.5 18.63 437.08 0.44 11.05 PSB - - - - -