labyrinth jointladder veinlaminar flowlanding spoollanuching ramplap jointlap welded pipelatching the tongslateral corelateral core side wall samplelateral coringlateral coring gunlateral curve blind zonelateral curve reflection peaklateral device departure curveslateral device spacinglateral logging departure curve chartlateral migrationlateral permeabilitylateral stabilitylattice mastlay bargelay v down the drill pipesleak detectorleakage indicatorlean gaslean sandleft hand drill pipeleft hand stringlegleg base anchorage of the derrickleg guideleg lengthleg raising speedleg welllenticular fieldlenticular reservoirlenticular veinlevel contorl apparatuslevel gagelevel indicator recorderliberated gaslie keylife of a welllifting caplifting speed of a derrick cranelifting subligninligniteliguefied petroleum gas
