div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader040fdocumentsusreader040viewer20220225145af5b0a77f8b9a8d1c8deff3html5page1jpg target=_blank img data-url=documentpf4-trifold-final-petroskills-john-m-darcys-equation-for-radial-flow-throughhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: PF4 trifold FINAL - PetroSkills John M Campbell€” DarcyS equation for radial flow through porous media — Effect of facilities-imposed back pressure on well productionrates loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader040fdocumentsusreader040viewer20220225145af5b0a77f8b9a8d1c8deff3html5thumbnails1jpg width=140 height=200 adivdiv