OIil and gas L3- Units 21-24

The geologist had to _____ the hardness of the rock before drilling.

• determine

• submit

• impress

• convince

The data from the last drilling operation was carefully _____ to the management team for review.

• transmitted

• emitted

• submitted

• reflected

Engineers look at the _____ of the formation to understand its composition.

• lithology

• thickness

• echo

• elevation

A _____ is a visual representation showing the elevation changes across an area.

• contour

• boundary

• map

• grid

The height of the formation above ____ is recorded during the survey.

• sea level

• ground level

• tree line

• mountain base

To record the sound waves, we must ____ the microphone at the right position.

• plot

• place

• move

• adjust

The map shows the ____ where two formations meet.

• boundary

• center

• peak

• valley

When they measure the rock layers, they consider both the thickness and the _____.

• elevation

• color

• texture

• density

The technician noted the _____ of the sound waves in the report.

• echo

• frequency

• amplitude

• velocity

_____ can help identify changes in the properties of different rock layers.

• Sound waves

• Light waves

• Magnetic fields

• Electric currents