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LO、HI HI、LO MIN、MAX MAX、MIN
开井时Hi-Lo PILOT要旁通。 井口Hi-Lo Pilot仪表管路的出口通向井口控制盘。 井口控制盘单井控制柜接受来自相应井的Hi-Lo Pilot信号。 当Hi-Lo Pilot报警时，单井控制柜相应指示器由红色变为绿色。
Rf=l/lo Rf•lo =l lo =l/ Rf K=Cs/Cm tR=to(1+k)
Lo/200; Lo/250 Lo/300; Lo/400
HI和LO HO、MI和LI HI、MI和LO HI、MO和LO
Had you taken， wouldn't have made If you had taken， would make Were you lo take， shouldn't have made Have you taken， won't have made
Lo/200； Lo/250； Lo/300； Lo/400。
lO^-6g lO^-9g lO^-12g lO^-15g 10^-18g
am used to was used to have been used lo used to
lo/200； lo/250； lo/300； lo/400。
ε＝（Lt－Lo）/（Lo－Ld） ε＝（Lt－Lo）/（Lo－2Ld） ε＝（Lt－Lo）/（Lo－3Ld） ε＝（Lt－Lo）/（Lo－4Ld）
Had you taken; wouldn't have made If you had taken; would make Were you lo take; shouldn’t have made Have you taken; won’t have made
run out of get rid of let go of make fun of
R1->LO R3->LO R1->T3->LO R3->T3->LO
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