Probelma Diagrama de Goodman Modificado

miles Carga min.

Carga max. 0 12 0

0 12 0 140 120 100

Carga min

80

Carga max 0 66

28.75 66

60 40 20 0 0

20

40

Ca 70 60 50 40 30 20 10 0 0

20

40

Chart Title

Carga max. Carga max Linear (Carga max.) Linear (Carga max)

60

80

100

12 0

14 0

rga max

Carga max Linear (Carga max)

60

80

Problema: diagrama de Goodman Modificado

Solucion: Sarta 87 grado D Grado de varillas:

De la carta dinamometrica - valor maximo en libras: 18000 libras De la carta dinamometrica - valor minimo en libras: 4000 libras

Para el problema:

Grado D Resistencia minima a la tension:

115000

Diagrama de Goodman Modificado Linea de Pendiente 45 grados Carga min. (Miles psi) Carga max. (Miles psi) 0 0 120 120

Linea de Goodman Modificada: T/4 y T/1.75

Factor de seguridad: 1.0 T/4 (carga maxima): T/1.75(carga minima) : Graficando

28750 psi 65714 psi

Carga min. (Miles psi)

Carga max. (Miles psi) 0 28.75 66 66

Factor de seguridad: 0.9 T/4 (carga maxima): T/1.75(carga minima) :

25875 psi 59143 psi

Carga min. (Miles psi)

Carga max. (Miles psi) 0 59

26 59 80 60 40 20 0 0

1" =

8"/8"

7/8" =

7/8"

3/4" =

6/8"

5/8" =

5/8"

Denominacion API

Primer numero

Ultimo numero

85

1" =

8"/8"

Primer numero

7/8" =

7/8"

Ultimo numero

Denomiancion API: 87

Chart Title 140

psi 120

100

80

60

40

20

0 0

20

40

60

80

Carga max. (Miles psi)

100

Carga max. ( 80 60

Carga max. (Miles psi)

40 20 0

20

40

60

80

0

20

40

60

Carga max. (Miles psi) Carga max. (Miles psi) Carga max. (Miles psi) Linear (Carga max. (Miles psi)) Linear (Carga max. (Miles psi)) Linear (Carga max. (Miles psi))

120

140

iles psi) Carga max. (Miles psi) Linear (Carga max. (Miles psi)) 80

Equipo de superficie Crank Angle deg 0 15 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300 315 330 345 360

Rod Load lbs

PR

Torque Factor in

Calculo Tor qu Rod in lb

CB in lb

s

Rating Net in lb

Positivo in lb

30000

Ne gativo in lb

Permisible Load lb

Angulo Crank 0 15 30 45 60 75 90 105 120 135 150 165 180 195 210 225 240 255 270 285 300 315 330 345 360

20000

10000

0 0 -10000

-20000

-30000

0.2

0.4

0.6

Graficar: Road load vs PR y PR vs Permisible Road en una misma grafica Graficar: Grank angle vs Torque Rod, Crank angle vs torque CB, Crank angle vs Torque Neto. Los tres e Torque Calculo Torques Road Load (lbs) carrera de la PR factor in carga según la carta Rod in lb CB in lb Net in lb 6250 0.052 21.993 213002.205 231433.1499 -18430.9449 6800 0.11 31.295 320304.325 89011.21061 231293.114 7000 0.188 39.673 413987.755 -59476.6956 473464.451 5625 0.282 45.7 414042 -203911.363 617953.363 6150 0.39 52.115 499522.275 -334449.809 833972.084 8000 0.508 55.083 629874.105 -442196.052 1072070.16 6200 0.628 55.062 530522.37 -519807.365 1050329.74 4650 0.745 51.47 416134.95 -561994.666 978129.616 4000 0.85 43.831 325883.485 -565882.958 891766.443 5250 0.933 31.872 276808.32 -531207.263 808015.583 6360 0.986 15.684 153624.78 -460330.67 613955.45 9800 0.999 -4.006 -53019.41 -358083.303 305063.893 11000 0.967 -25.492 -367977.02 -231433.15 -136543.87 11800 0.889 -45.992 -700688.12 -89011.2106 -611676.909 12000 0.77 -61.712 -952524.72 59476.6956 -1012001.42 12200 0.625 -69.83 -1091792.05 203911.3633 -1295703.41 12180 0.472 -69.321 -1082447.42 334449.8086 -1416897.22 14000 0.328 -61.716 -1076018.46 442196.0521 -1518214.51 14100 0.206 -49.879 -874628.265 519807.3654 -1394435.63 13800 0.111 -36.453 -628267.455 561994.6658 -1190262.12 13900 0.047 -23.091 -400282.485 565882.9585 -966165.443 14300 0.01 -10.512 -186430.32 531207.2627 -717637.583 11850 0 1.137 17379.045 460330.6698 -442951.625 7500 0.015 11.939 130552.965 358083.3025 -227530.338 6250 0.052 21.993 213002.205 231433.1499 -18430.9449

1500000

1000000

500000

30000 0 0

50

100

150

200

20000

-500000

10000

0 0.8

1

-1000000 1.2 -10000

-1500000

-20000

-30000 -2000000

n una misma grafica Rating Permisible Load Positivo lib in Negativo lib in lb 640000 -640000 22012.13136 640000 -640000 21041.28821 640000 -640000 21066.05123 640000 -640000 21901.3318 640000 -640000 22133.0679 640000 -640000 23081.64329 640000 -640000 24498.66215 640000 -640000 26788.30612 640000 -640000 30947.10236 640000 -640000 40182.21582 640000 -640000 73591.25286 640000 -640000 -245712.105 640000 -640000 -30749.57359 640000 -640000 -12415.82646 640000 -640000 -5971.976024 640000 -640000 -2810.004106 640000 -640000 -972.7579874 640000 -640000 229.932466 640000 -640000 1025.315872 640000 -640000 1295.112084 640000 -640000 225.2194996 640000 -640000 -6914.38521 640000 -640000 161455.5191 640000 -640000 27048.09134 640000 -640000 22012.13136

Series1 Series2 Series3 250

300

350

400

Series4

Series5 Series6 Series7 Series8

FT probando tubing FT sin probar tubing F1 F2 F3 F4

2445.00955 psi

Grav esp oil

0.87502319

Grad fluido mix Grav. Esp mezcla

0.43660885 1.00675348

L bomba Ndi Nes Diam.Tbg API BSW Grav esp agua Tamb Tfluido L ancla

7587 ft 7387 ft 5600 ft 2 7/8"

6.5 lib/ft 30.21 85 1.03 68 100 7200

% F F ft