What is the DST$?$

a$.$ Digital Sound Testing

b$.$ Discrete Signal Test

c$.$ Drill Stem Test

d$.$ Dude Surely Toasted

The methods applied to answer the question "Will a well produce hydrocarbons" are:

a$.$ Mud logging

b$.$ Well logging

c$.$ DST

d$.$ Depends on the amount of money for appraisal

With mud logs we record:

a$.$ R$.$O$.$P

b$.\%$ hydrocarbons in various pay zones

c$.\%$ types of rocks coming at the shale shakers

d$.$ Various well characteristics

e$.$ All the above

Saltwater formation conduct electricity poorly?

a$.$ Yes

b$.$ No

c$.$ None of the above

Oil formation conduct electricity well??

a$.$ Yes

b$.$ No

c$.$ None of the above

Sonic logs transmit and measure sound waves. Sound recorded moves fast in solid rocks than in fluid filled pores of the rocks

a$.$ Yes

b$.$ No

c$.$ None of the above

What is the purpose of a reverse circulation sub in the DST$?$

a$.$ Record time

b$.$ Close fluid flux

c$.$ Provide safety

d$.$ Avoid inward fluid flux in the drill string

e$.$ None of the above

What is the purpose of a shut$-$in valve the DST$?$

a$.$ Record time

b$.$ Close fluid flux

c$.$ Provide safety

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