Identification of casing string failure modes using caliper data
Conference
·
OSTI ID:602652
- Centre for Engineering Research Inc., Edmonton, Alberta (Canada)
Geothermal well casing failures can occur by several principal failure modes including: buckling; collapse; tensile; and shear. By identifying the specific mode of failure, the loading conditions on the casing can be inferred and appropriate corrective actions taken. Conventional directional wellbore surveys cannot resolve the local deformations associated with most casing failures. Caliper data, processed using the Caliper Trajectory Algorithm, however, can provide enough information to identify the mode of failure. Several options for mitigating the effect of formation loads are also presented.
- OSTI ID:
- 602652
- Report Number(s):
- CONF-971048--
- Country of Publication:
- United States
- Language:
- English
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