About Us
About Tejas
Contact Us
Quality
Campus
Products
Tejas Merla
Flow Control Valves
Adjustable Choke Valves
Positive In-line Chokes
Electric Rotary Actuators
Motor Valves
Flow Com Software
Artificial Lift
Engineering Services
New Product Development
Testing Services
Consulting & Project Management
Finite Element Analysis
Feasibility Studies
HPHT Lab
Technical Library
Technical Library
Engineering Data
Contact Us
9185 Six Pines Drive • The Woodlands, TX 77380 • T. 281 466 8700 • F. 281 466 8063 •
info@tejasre.com
Engineering Data
UNCONTROLLED DOCUMENT FOR REFERENCE ONLY.
Pressure
Length
Volume
Pressure Gradient
Gas/Liquid Ratio
Productivity Index
API Tubing
Pressure
From
Multiply By
Results In
atm
1.01325
bar
atm
1.033227
kg/cm2
atm
101.325
kPa
atm
0.101325
mPa
atm
14.69595
psi
bar
0.9869233
atm
bar
1.019716
kg/cm2
bar
100
kPa
bar
0.1
mPa
bar
14.50377
psi
kg/cm2
0.9678411
atm
kg/cm2
0.980665
bar
kg/cm2
98.0665
kPa
kg/cm2
0.0980665
mPa
kg/cm2
14.22334
psi
kPa
0.009869233
atm
kPa
0.01
bar
kPa
0.01019716
kg/cm2
kPa
0.001
mPa
kPa
0.1450377
psi
mPa
9.86923266716
atm
mPa
10.0
bar
mPa
10.19716
kg/cm2
mPa
1000.0
kPa
mPa
145.03773773
psi
psi
0.6804596
atm
psi
0.06894757
bar
psi
0.07030695
kg/cm2
psi
6.894757
kPa
psi
0.006894757
mPa
Length
From
Multiply By
Results In
kilometer
100,000
cm
kilometer
3,280.83989501
feet
kilometer
39,370.0787402
inches
kilometer
1,000
meters
kilometer
0.621371192237
miles
kilometer
1,000,000
mm
kilometer
1,093.61329834
yards
meters
100
cm
meters
3.28083989501
feet
meters
39.3700787402
inches
meters
0.001
kilometer
meters
6.2137119e-4
miles
meters
1,000
mm
meters
1.09361329834
yards
miles
160,934.4
cm
miles
5,280
feet
miles
63,360
inches
miles
1.609344
kilometer
miles
1,609.344
meters
miles
1,609,344
mm
miles
1,760
yards
mm
0.1
cm
mm
3.28084e-3
feet
mm
0.03937008
inches
mm
0.000001
kilometer
mm
0.001
meters
mm
6.213712e-7
miles
mm
1.093613e-3
yards
yards
91.44
cm
yards
3
feet
yards
36
inches
yards
0.0009144
kilometer
yards
0.9144
meters
yards
5.681818e-4
miles
yards
914.4
mm
Volume
From
Multiply By
Results In
barrels
5.61458333
cu feet
barrels
9,702
cu inches
barrels
0.158987294928
cu meters
barrels
0.207947530864
cu yards
barrels
42
gallons
barrels
158.987294928
liters
barrels
0.181
ton
barrels
0.16420043794
ton(m)
cu feet
0.178107606679
barrels
cu feet
1,728
cu inches
cu feet
0.028316846592
cu meters
cu feet
0.037037037037
cu yards
cu feet
7.48051948052
gallons
cu feet
28.316846592
liters
cu inches
1.03071532e-4
barrels
cu inches
5.78703704e-4
cu feet
cu inches
1.6387064e-5
cu meters
cu inches
2.14334705e-5
cu yards
cu inches
0.00432900433
gallons
cu inches
0.016387064
liters
cu meters
6.28981077043
barrels
cu meters
35.3146667215
cu feet
cu meters
61,023.7440947
cu inches
cu meters
1.30795061931
cu yards
cu meters
264.172052358
gallons
cu meters
1,000
liters
cu meters
1.13845574945
ton
cu meters
1.03278968306
ton(m)
cu yards
4.80890538033
barrels
cu yards
27
cu feet
cu yards
46,656
cu inches
cu yards
.764554857984
cu meters
cu yards
201.974025974
gallons
cu yards
764.554857984
liters
gallons
2.38095238e-2
barrels
gallons
0.133680555556
cu feet
gallons
231
cu inches
gallons
3.78541178e-3
cu meters
gallons
4.95113169e-3
cu yards
gallons
3.78541178401
liters
liters
6.28981077e-3
barrels
liters
3.53146667e-2
cu feet
liters
61.0237440947
cu inches
liters
0.001
cu meters
liters
1.30795062e-3
cu yards
liters
0.264172052358
gallons
ton
5.52486187845
barrels
ton
0.907184739999
ton(m)
ton(m)
6.09011773992
barrels
ton(m)
1.10231131092
ton
Pressure Gradient
From
Multiply By
Results In
atm/mtr
1.01325
bar/mtr
atm/mtr
1.033227
kg/cm2/mtr
atm/mtr
101.35
kPa/mtr
atm/mtr
86.1408689765
lbs/gal
atm/mtr
0.101325
mPa/mtr
atm/mtr
4.47932518678
psi/ft
bar/mtr
0.986923266716
atm/mtr
bar/mtr
1.019716
kg/cm2/mtr
bar/mtr
100
kPa/mtr
bar/mtr
85.0144278079
lbs/gal
bar/mtr
0.1
mPa/mtr
bar/mtr
4.42075024601
psi/ft
kPa/mtr
9.86923266716e-3
atm/mtr
kPa/mtr
0.01
bar/mtr
kPa/mtr
0.01019716
kg/cm2/mtr
kPa/mtr
0.850144278081
lbs/gal
kPa/mtr
0.001
mPa/mtr
kPa/mtr
4.42075024602e-2
psi/ft
lbs/gal
1.160889148E-2
atm/mtr
lbs/gal
1.176270929E-2
bar/mtr
lbs/gal
kg/cm2/mtr
lbs/gal
1.17627092928
kPa/mtr
lbs/gal
3.585273792E-4
mPa/mtr
lbs/gal
0.052
psi/ft
mPa/mtr
9.86923266716
atm/mtr
mPa/mtr
10
bar/mtr
mPa/mtr
10.19716
kg/cm2/mtr
mPa/mtr
1,000
kPa/mtr
mPa/mtr
2,789.18726404
lbs/gal
mPa/mtr
145.03773773
psi/ft
psi/ft
0.22324791309
atm/mtr
psi/ft
0.226205947939
bar/mtr
psi/ft
0.230665846457
kg/cm2/mtr
psi/ft
22.6205947938
kPa/mtr
psi/ft
19.2307692308
lbs/gal
psi/ft
0.022605947939
mPa/mtr
Gas/Liquid Ratio
From
Multiply By
Results In
NM/mtr3
1.13845561
NM/ton
NM/mtr3
1.03278937941
NM/ton(m)
NM/mtr3
5.6145833333
scf/bbl
NM/ton
0.878382952498
NM/mtr3
NM/ton
0.907184584394
NM/ton(m)
NM/ton
6.3919546766
scf/bbl
NM/ton(m)
0.968251629943
NM/mtr3
NM/ton(m)
1.1023115
NM/ton
NM/ton(m)
5.79868374139
scf/bbl
scf/bbl
0.178107606679
NM/mtr3
scf/bbl
0.156446666254
NM/ton(m)
scf/bbl
0.172452929768
NM/ton(m)
Productivity Index
From
Multiply By
Results In
bbl/dy/psi
2.338235
m3/dy/atm
bbl/dy/psi
2.307692
m3/dy/bar
bbl/dy/psi
2.26151
m3/dy/kg/cm2
bbl/dy/psi
0.023061
m3/dy/kPa
bbl/dy/psi
23.81436
ton(m)/dy/mPa
bbl/dy/psi
26.25091
ton/dy/mPa
m3/dy/atm
0.427995
bbl/dy/psi
m3/dy/atm
1.01325
m3/dy/bar
m3/dy/atm
1.033227
m3/dy/kg/cm2
m3/dy/atm
0.009869
m3/dy/kPa
m3/dy/bar
0.433667
bbl/dy/psi
m3/dy/bar
0.986923
m3/dy/atm
m3/dy/bar
0.980665
m3/dy/kg/cm2
m3/dy/bar
0.01
m3/dy/kPa
m3/dy/kg/cm2
0.442217
bbl/dy/psi
m3/dy/kg/cm2
1.033227
m3/dy/atm
m3/dy/kg/cm2
1.019716
m3/dy/bar
m3/dy/kg/cm2
0.010197
m3/dy/kPa
m3/dy/kPa
43.36666
bbl/dy/psi
m3/dy/kPa
101.325
m3/dy/atm
m3/dy/kPa
100
m3/dy/bar
m3/dy/kPa
98.06652
m3/dy/kg/cm2
Dimensional Data and Minimum Perfomance Properties of Tubing Made to API Specifications
OD
(in.)
(mm)
Nominal Weight
Wall Thickness
(in.)
(mm)
ID
(in.)
(mm)
Threaded and Coupled
Int. Joint
Grade
Collapse Resistance
(psi)
Internal Yield Pressure
(psi)
Joint Yield Strength
T & C Non-Up
(lb / ft)
T & C Upset
(lb / ft)
Int. Jt.
(lb / ft)
Drift Dia.
(in.)
(mm)
Coupling OD
Drift Dia.
(in.)
(mm)
Box OD
(in.)
(mm)
T & C Non-Up
(lb)
T & C Upset
(lb)
Integral Joint
(lb)
Non-Up
(in.)
(mm)
Upset Reg
(in.)
(mm)
Upset Spec
(in.)
(mm)
1.050
26.7
1.14
1.20
.113
2.87
.824
21.0
.730
18.54
1.313
33.35
1.660
42.16
H-40
7,680
7,530
6,360
13,310
J-55
10,560
10,360
8,740
18,290
C-75
14,410
14,120
11,920
24,950
N-80
15,370
15,070
12,710
26,610
1.315
33.4
1.70
1.80
1.72
.133
3.38
1.049
26.6
.955
24.26
1.660
42.16
1.900
48.26
.955
24.26
1.550
39.37
H-40
7,270
7,080
10,960
19,760
15,970
J-55
10,000
9,730
15,060
27,160
21,960
C-75
13,640
13,270
20,540
37,040
29,940
N-80
14,550
14,160
21,910
39,510
31,940
1.660
42.2
2.30
2.40
1.72
.133
3.38
1.049
26.6
1.286
32.66
1.880
47.75
H-40
5,570
5,270
22,180
J-55
7,660
7,250
30,500
2.33
.140
3.56
1.380
35.1
1.286
32.66
2.054
52.17
2.200
55.88
1.286
32.66
1.880
47.75
H-40
6,180
5,900
15,530
26,740
22,180
J-55
8,490
8,120
21,360
36,770
30,500
C-75
11,580
11,070
29,120
50,140
41,600
N-80
12,360
11,810
31,060
53,480
44,370
1.900
48.3
2.75
2.90
2.40
.125
3.17
1.650
41.9
1.516
38.51
2.110
53.59
H-40
4,920
4,610
26,890
J-55
6,640
6,330
36,970
2.76
.145
3.68
1.610
40.9
1.516
38.50
2.200
55.88
2.500
63.50
1.516
38.51
2.110
53.59
H-40
5,640
5,340
19,090
31,980
26,890
J-55
7,750
7,350
26,250
43,970
36,970
C-75
10,570
10,020
35,800
59,960
50,420
N-80
11,280
10,680
38,180
63,960
53,780
2.063
52.4
3.25
.156
3.96
1.751
44.5
1.657
2.325
H-40
5,590
5,290
35,690
J-55
7,690
7,280
49,070
C-75
10,480
8,920
66,910
N-80
11,180
10,590
71,370
2.375
60.3
4.00
.167
4.24
2.041
51.8
1.947
49.45
2.875
73.03
H-40
5,230
4,920
30,130
J-55
7,190
6,770
41,430
C-75
9,520
9,230
56,500
N-80
9,980
9,840
60,260
4.60
4.70
.190
4.83
1.995
50.6
1.901
48.29
2.875
73.03
3.063
77.80
2.910
73.91
H-40
5,890
5,600
35,960
52,170
J-55
8,100
7,700
49,450
71,730
C-75
11,040
10,500
67,430
97,820
N-80
11,780
11,200
71,930
104,340
P-105
15,460
14,700
94,410
136,940
5.80
5.95
.254
6.45
1.867
47.4
1.773
45.03
2.875
73.03
3.063
77.80
2.910
73.91
C-75
14,330
14,040
96,560
126,940
N-80
15,280
14,970
102,990
135,400
P-105
20,060
19,650
135,180
177,710
2.875
73.0
6.40
6.50
.217
5.51
2.441
62.0
2.347
59.61
3.500
88.90
3.668
93.17
3.460
87.88
H-40
5,580
5,280
52,780
72,480
J-55
7,680
7,260
72,580
99,660
C-75
10,470
9,910
98,970
135,900
N-80
11,160
10,570
105,570
144,960
P-105
14,010
13,870
138,560
190,260
2.33
.140
3.56
1.380
35.1
1.286
32.66
2.054
52.17
2.200
55.88
1.286
32.66
1.880
47.75
C-75
14,350
14,060
149,360
186,290
N-80
15,300
15,000
159,310
198,710
P-105
20,090
19,690
209,100
260,810
3.500
88.9
7.70
.216
5.49
3.068
77.9
2.943
74.75
4.250
107.95
H-40
4,630
4,320
65,070
J-55
5,970
5,940
89,470
C-75
7,540
8,100
122,010
N-80
7,870
8,640
130,140
9.20
9.30
.254
6.45
2.992
76.0
2.867
72.82
4.250
107.95
4.500
114.30
4.180
106.17
H-40
5,380
5,080
79,540
103,610
J-55
7,400
6,980
109,370
142,460
C-75
10,040
9,520
149,140
194,260
N-80
10,530
10,160
159,090
202,220
P-105
13,050
13,340
208,800
271,970
10.20
.289
7.34
2.922
74.2
2.797
71.04
4.250
107.95
H-40
6,060
5,780
92,550
J-55
8,330
7,950
127,250
C-75
11,360
10,840
173,530
N-80
12,120
11,560
185,100
12.70
12.95
.375
9.52
2.750
69.9
2.625
66.68
4.250
107.95
4.500
114.30
4.180
106.17
C-75
14,350
14,060
230,990
276,120
N-80
15,310
15,000
246,390
294,530
P-105
20,090
19,690
323,390
386,570
4.000
101.6
9.50
11.00
.226
5.74
3.548
90.1
3.423
86.94
4.750
120.65
H-40
4,060
3,960
72,000
J-55
5,110
5,440
99,010
C-75
6,350
7,420
135,010
N-80
6,590
7,910
144,010
.262
6.65
3.476
88.3
3.351
85.12
5.000
127.00
H-40
4,900
4,590
123,070
J-55
6,590
6,300
169,220
C-75
8,410
8,600
230,750
N-80
8,800
9,170
246,140
4.500
114.3
12.60
12.75
.271
6.88
.3958
100.5
3.833
97.36
5.200
132.08
5.563
141.3
H-40
4,500
4,220
104,360
144,020
J-55
5,720
5,800
143,500
198,030
C-75
7,200
7,900
195,680
270,040
N-80
7,500
8,430
208,730
288,040