CleanMax Lite vs TallyRig

Successfully conducting a wellbore cleanup ensures hassle-free completions, reduces the risk of formation damage, and enhances well productivity. Pegasus Vertex, Inc. has extracted most-used components from our advanced software, CleanMax, and created a handy mobile app CleanMax Lite to aid with wellbore cleanup operations. CleanMax Lite quickly and accurately calculates fluid volumes, contact times and creates 2D and 3D fluid displacement animations.

17 oilfield & drilling calculators — with a digital tally-book history. TallyRig is a focused, field-ready calculator set for drilling and well control workflows. Run the essentials fast, save every result, and share a clean record when you need it. DESIGNED FOR THE RIG • Sunlight Mode: high-contrast screens you can read outside • Glove-friendly: big targets, minimal tapping • Offline-first: works without a signal • Trust the math: review the formula / show-work for each result 17 FIELD CALCULATORS, ORGANIZED BY CATEGORY • Well Control: Kill Sheet (Wait & Weight), Kick Tolerance, Gas Migration, Trip Fill, BOP Check (API Std. 53) • Pressure: Hydrostatic, EMW from Pressure, ECD • Fluids: Mud Weight-Up (barite), Slug, Cementing • Tubulars: Pipe Tally, Buoyancy, Capacity, Stuck Pipe (Free Point) • Hydraulics: Pump Output, Flow, Annular Velocity, Bottoms-Up • Utilities: Oilfield Unit Converter FIND TOOLS FAST Search, category filters, and a drag-to-arrange dashboard so your most-used calculators are always on top. HISTORY THAT'S ACTUALLY USEFUL • Save any calculation to a clean history timeline • Share a result card or a history record with your team • Sync across devices via iCloud (when enabled) UNITS Switch between Imperial and Metric (SI) where supported. Languages - Full in-app translation in English, Português (Brasil) and Español — including every calculator, result view and formula label. Switch any time in Settings → Language. WHO IT'S FOR Drilling engineers, toolpushers, drillers, mud engineers, wellsite supervisors, and well control trainees who want a fast, reliable pocket reference. IMPORTANT TallyRig is a calculation aid for reference and cross-checking. Always verify inputs and outputs and follow your company procedures and training.