文档介绍：API TUBING COLLAPSE TABLES FOR COILED TUBING
Table xx: COLLAPSE TABLES FOR NEW COILED TUBING
Specified Minimum Yield Strength
Specified 55,000 psi 60,000 psi 65,000 psi
Outside Wall Min Ratio Ovality (Dmax - Dmin)/D
Diameter Thickness Wall 0 0 0
D t tmin D/tmin Tensile Load Tensile Load Tensile Load
(in) (in) (in) L=0 L=0 L=Ly/2 L=0 L=Ly/2 L=0 L=0 L=Ly/2 L=0 L=Ly/2 L=0 L=0 L=Ly/2 L=0
Collapse Pressure, psi
Pc Pco P Pco Pc Pc Pco P Pco Pc Pc Pco P Pco
9900 6510 4460 4910 3360 10800 7100 4860 5360 3670 11700 7700 5270 5800
10250 6840 4680 5190 3550 11180 7460 5110 5660 3870 12110 8080 5530 6130
10710 7280 4980 5560 3810 11690 7940 5430 6070 4150 12660 8600 5890 6570
11620 8160 5580 6320 4330 12670 8900 6090 6900 4720 13730 9640 6600 7470
12390 8930 6110 7000 4790 13510 9740 6670 7640 5230 14640 10550 7220 8270
13140 9700 6640 7690 5260 14330 10580 7240 8390 5740 15530 11460 7840 9090
; 13770 10360 7090 8280 5670 15020 11300 7730 9030 6180 16270 12240 8380 9790
14480 11120 7610 8980 6150 15800 12130 8300 9790 6700 17120 13140 8990 10610
7630 4510 3090 3250 2220 8330 4920 3370 3550 2430 9020 5330 3650 3840
7910 4740 3240 3440 2350 8630 5180 3550 3760 2570 9350 5610 3840 4070
8280 5060 3460 3700 2530 9030 5520 3780 4040 2770 9790 5980 4090 4380
9010 5700 3900 4230 2900 9830 6220 4260 4620 3160 10650 6740 4610 5000
9640 6270 4290 4710 3220 10510 6840 4680 5130 3510 11390 7410 5070 5560
10250 6840 4680 5190 3550 11180 7460 5110 5660 3870 12110 8080 5530 6130
10770 7330 5020 5610 3840 11750 8000 5480 6120 4