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disp dist distr div dls dn drlstr DST dTim dtm DTS DVTool dxc E ecd eff elect emw engr ent epent equip eth eTim ew fact fatig fet flor for form fric geo govt grav gtf guide displacement distance distribution division dogleg severity down drillstring Drill Stem Test date and time datum Distributed Temperature Survey Diverter tool drilling exponent calculated east effective circulating density efficiency electric equivalent mud weight engineer entered neo-Pentane equipment ethane elapsed time east-west factor fatigue formation exposure time fluorescence force formation friction geoid government gravity gravity toolface guideline h2s hhp hi hkld hr hse ht Hthp hyd IADC ibut id ihex in inc incl init inj insp int ipent KCl KCl lap lcm ld len LH lith lot Ltlp maasp mag mag mag man mbt Hrdrogen Sulfide hydraulic horsepower high hookload hour Health, Safety and Environmental height high temperature (and) high pressure hydraulics International Association of Drilling Contractors iso-Butane inner diameter iso-Hexane inside incident inclination initial injector inspection integrator iso-Pentane Consistency index (Power Law and HB) Consistency index (Power Law and HB) overlap lost circulation material load length left-handed lithology leak off test low temperature (and) low pressure maximum allowable shut-in pressure magnetic magnetism magnetometer manifold methylene blue titration md meas mech meth mid min mn mnem moor MSL mtf mwd mx N2 N n NAD nat nbut nhex npent ns num obj obj od op op op orig OTDR pa param pc PDC pdl perf measured depth measured mechanical methane middle minute minimum mnemonic mooring Mean Sea Level magnetic toolface angle measurement while drilling maximum nitrogen north Power Law index (Power Law and HB) North American Datum natural nor-Butane neo-Hexane nor-Pentane north-south number object objective outer diameter operations operating operations origin Optical Time Domain Reflectometry plugged and abandoned parameter percent polycrystalline diamond compact pressure dependent leakoff perforation perf perm perpen pf PG pm pmp PO pob poly POSC pow precip pres prog proj prop prop pv qty qual ream ream rec recip ref ref reg rqd rheom RKB rop rot rot rot rpm rpt perforated permanent perpendicular Methyl orange alkalinity of filtrate pressure gradient Phenolpthalein alkalinity of mud pump Purchase Order personnel on board polymer Petrotechnical Open Standards Consortium power precipitation pressure program projection proppant propane plastic viscosity quantity quality reamed reaming recovered reciprocation reference reference regulatory required rheometer Rotary Kelly Bushing rate of penetration rotary rotating rotation revolutions per minute report