===== Terms beginning with L =====

[[Lag]]

[[Lag time]]

[[Laminar]]

[[Laminar flow]]

[[Last reading]]

[[Lateral curve]]

[[Lateral device]]

[[Laterolog]]

[[Latitude]]

[[Latitude correction]]

[[Lava]]

[[Lay down pipe]]

[[leak|Leak, leakage]]

[[Lease]]

[[Least squares fit|Least-squares fit]]

[[Lens]]

[[Liberated gas]]

[[Limestone]]

[[Limestone device]]

[[Limestone sonde]]

[[Line]]

[[Liner]]

[[Liner hanger]]

[[Line wiper]]

[[Liquefied natural gas]]

[[Liquefied petroleum gas]]

[[Liquid]]

[[Liquid junction potential|Liquid-junction potential]]

[[Lithification]]

[[Litho Density Log|Litho-Density Log]]

[[Lithologic log]]

[[Lithology]]

[[Lithostatic load]]

[[Little slam]]

[[Live oil]]

[[Log]]

[[Logarithmic grid]]

[[Logging cable]]

[[Logging tool]]

[[Log scale insert]]

[[Log zero]]

[[Longitudinal wave]]

[[Long normal curve]]

[[Long spaced sonic log|Long-spaced sonic log]]

[[Long string]]

[[Lose returns]]

[[Lost circulation]]

[[Lost circulation material|Lost-circulation material]]

[[Low explosive]]

[[LR]]

[[Lubricator]]