22 Petroleum Mapping

a range of levels or numbers used for measuring something

• scale

• pay zone

• sea level

• contour

a line on a map that joins two points that are at the same height above sea level

• scale

• pay zone

• sea level

• contour

the average height of the sea, used as the basis for measuring the height of all the places on the land

• scale

• elevation

• sea level

• contour

the area of a formation where oil and gas can be found

• scale

• pay zone

• sea level

• contour

the height of a place, especially its height above sea level

• scale

• elevation

• sea level

• contour

any flat or level surface

• thickness

• elevation

• plane

• plan

rising or falling quickly, not gradually

• thickness

• elevation

• steep

• plan

the size of something between opposite surfaces or sides

• thickness

• elevation

• plane

• plan

not steep or sharp

• thickness

• elevation

• gentle

• plan

the direction in which an object faces

• orientation

• elevation

• gentle

• plan