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Connections 1

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325 views70 pages

Connections 1

Uploaded by

huyenhvtc252
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPT, PDF, TXT or read online on Scribd
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Finite Analysis of Connections

and Associated Failure


Mechanisms
B
O
X

P
I
N
API/IADC pipe-failure distribution

100
Pin End
Box End (w ith no Slip Cuts)
80
Records

60

40

20

0
0 10 20 30 40 50
Distance (inches) Pin/Box
API/IADC pipe-failure distribution

100
Pin End
Box End (w ith Slip Cuts)
80
Records

60

40

20

0
0 10 20 30 40 50
Distance (inches) Pin/Box
Finite Element Model Geometry Plot for 4-1/2" 16.60# E IEU
Drill Pipe

1.3
R = 0.5"

1.22
Stress Concentration

R = 2.0"
1.14

R = 5.0"
1.06

R = 10.0"
R = 12.0"
0.98
1 2 3 4
Miu (inches)

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