CONSTRUCTION: mini drill press hitachi press zosen shipbuilding &engineering depth co. ltd. tokyo, 1980.performance: water depth--300''; drilling depth--20,000''.quarters: 108 persons.drilling equipment: drawworks--nat''l 1320ue, 2,000 hp; pumps--two nat''l triplex 12-p-160,one 10-p-130; prime control movers--two emd 16-645e9,one emd 12-645 e9 & scr system; rotarytable--nat''l c-375; top drive--varco tds-3.cranes: two nat''l os-105, 37 t @ 20'', oneletourneau pcm-80as 25 t @ 20''.other information data: typical of hand drill press nan hai no. 1.work area: south china sea.

aban press and depth loyd chiles offshore ltd. (alco)aban iirig design: bethlehem steel corp., ju-250msconstruction: bethlehem steel corp., sparrows point, md, 1981.performance: water depth--250''; drilling depth--25,000''.quarters: 65 persons.hull: 166'' x 132'' control x 16''.variable load: 4,500 kips.storage: mud & cmt bulk--6,600 cf; liquidmud--1,500 bbl; water for drilling--4,700 information and drill press bbl;potable water--450 bbl.drilling equipment: press drawworks--midco1220; depth pumps--gardner denver control pz-11, information 1,600 hp;prime movers--three 12 cyl emd, 1,650 hp each;

however, many industry pundits claim these gizmos are drill nigh-on revolutionary, as claims fly around about how time at the ironing board can be slashed press by 50% a week when using one. all agree, too, that the benefits of steam generators soon dispel the issue of cost to a customer who, a few loads of ironing down the line, will wonder how they coped in those darker pre-generator days; just as dishwasher owners can''t imagine how they ever managed without depth and control a dishwasher."cost immediately dismisses them [steam generators] from consideration for most buyers but those who see or get the chance to use a generator tend to put one at information the top of their buying list, so the potential is enormous," says alan poulain, director of small appliance sales at bsh,

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