Mechanical properties of friable sands from conventional log data
Conference
·
OSTI ID:7175782
When considering what the mechanical stability of friable sands would be under different conditions of drilling or production, basic mechanical properties of the sands should be determined. This paper presents improved methods for determining measures of such mechanical properties from commonly available well log data. The properties determined include strength of cementation between sand grains, in-situ total sand strength, formation compressibility, and Poisson's ratio. Log data needed for the techniques presented include conventional sonic, density, induction and open-hole gamma ray. Sand loads considered in the procedures include overburden weight, fluid pressure, and additional earth loads caused by local geological conditions. Also given in the procedures is a means for dealing with sonic logs run in wells where mud weights are different. (auth)
- OSTI ID:
- 7175782
- Report Number(s):
- CONF-750924-4
- Country of Publication:
- United States
- Language:
- English
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