--- title: "Oilfield Calculator: Drilling - Reviews, Revenue and Downloads in Colombia | Apple App Store" description: "Oilfield Drilling & Blast Calc is a professional engineering calculator suite built for drilling rigs, mine benches, and quarry pits. Ten focused tools for mud engineers, drilling engineers, blast eng" --- # Oilfield Calculator: Drilling — Colombia ![Oilfield Calculator App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/6c/65/63/6c65634a-ddb3-c2dd-8801-30500fa832f7/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [Shanghai Sheyuan Network Technology Co](https://apptail.io/developer/shanghai-sheyuan-network-technology-co-mkXe) **Category:** Utilities **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** com.sy.oilgasminingtoolkit **Store:** Apple App Store **Country:** Colombia **Version:** 1.0.9 (released 2026-09-03) **Original Release:** 2026-04-15 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/co/app/app/id6762048533) **AppTail Page:** [https://apptail.io/app/oilfield-calculator-drilling-yBpz/colombia](https://apptail.io/app/oilfield-calculator-drilling-yBpz/colombia) ## Oilfield Calculator Description Oilfield Drilling & Blast Calc is a professional engineering calculator suite built for drilling rigs, mine benches, and quarry pits. Ten focused tools for mud engineers, drilling engineers, blast engineers, mining engineers, and field technicians — all running fully offline, so you get answers whether you are at a remote wellsite, a pit wall, or an underground heading with zero signal. No ads. No subscriptions. No sign-up. Open the app and calculate. WHAT'S INCLUDED: Drilling & Completion - Mud Weight Calculator (FREE): Hydrostatic pressure, mud gradient in psi/ft, pore pressure, frac pressure at the shoe, overbalance, and kick tolerance from mud weight, TVD, and shoe depth. - Casing Burst & Collapse: API 5C3 burst and collapse ratings from OD, grade, and weight, with safety factor, body yield, buoyed weight, and hydrostatic at depth. - Drill String Weight: Compute drill pipe, HWDP, and collar hookload, buoyed weight, and air weight for trip planning. Mining & Blasting - Screen Size Selector (FREE): Pick the correct screen aperture and deck size for target particle cuts. - Pit Slope Stability: Quick factor-of-safety check for open-pit slope angles and bench geometry. - Blast Hole Pattern: Burden, spacing, stemming, and powder factor for surface blast design. - Rock Density & Porosity: Bulk density, grain density, and porosity from lab or field samples. - Mine Ventilation Airflow: Size airflow, velocity, and pressure drop for underground mine ventilation circuits. Environmental & Flow - Flow Weir Calculator: V-notch, rectangular, and Cipolletti weir discharge for field water measurement. - Sludge Volume & Dewatering: Wet weight, dry solids, moisture content, and dewatered volume and weight for pit and process water. WHO IS IT FOR: - Drilling engineers sizing casing and planning trips - Mud engineers mixing and monitoring circulating systems - Blast engineers laying out shot patterns and powder loads - Mining engineers running pit and ventilation checks - Quarry operators screening aggregate - Field technicians and supervisors who need answers on the rig floor or bench WHY OILFIELD & MINING PROS LOVE IT: - Fully offline — works at the wellsite, underground, or deep in the pit with no cell service - No ads and no subscription — pay once, own it - API-aware and MSHA-aware inputs that match the units and conventions you already use on the job - Professional accuracy with clear formulas, unit conversions, and sensible defaults - Clean iPhone and iPad interface designed for gloves, hard hats, and bright sunlight ONE-TIME UNLOCK: Upgrade to Pro for a single $12.99 USD payment (non-consumable, no subscription) to unlock all 8 Pro calculators plus job sheet PDF export. Buy once, use forever — on every iPhone and iPad signed in to your Apple ID. From the rig floor to the quarry bench, Oilfield Drilling & Blast Calc keeps the numbers you need one tap away. Download now and put a full drilling and mining toolkit in your pocket. ## Oilfield Calculator Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3c/a2/ff/3ca2ff5b-cc4f-862d-62e8-fbe3da1c2ca9/screenshot_iphone_1.jpg/1284x2778.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/31/85/6d/31856d41-4e50-b777-65cf-ed292ad59151/screenshot_iphone_1.jpg/1284x2778.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/4c/05/a6/4c05a670-4595-a3a0-ac28-c7dc046e3f54/screenshot_iphone_2.jpg/1284x2778.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/91/84/d8/9184d8f6-2ec6-a398-4623-682f492fa7b7/screenshot_iphone_2.jpg/1284x2778.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f0/e1/42/f0e14220-d071-5b71-e82c-6814f1b49e86/screenshot_iphone_3.jpg/1284x2778.png) ## Oilfield Calculator In-App Purchases | Item | Price | |------|-------| | Unlock All Calculators | $99,900.00 | ## Oilfield Calculator Available In - [United Arab Emirates](https://apptail.io/app/oilfield-calculator-drilling-yBpz/united-arab-emirates) - [Austria](https://apptail.io/app/oilfield-calculator-drilling-yBpz/austria) - [Bulgaria](https://apptail.io/app/oilfield-calculator-drilling-yBpz/bulgaria) - [Brazil](https://apptail.io/app/oilfield-calculator-drilling-yBpz/brazil) - [Canada](https://apptail.io/app/oilfield-calculator-drilling-yBpz/canada) - [Colombia](https://apptail.io/app/oilfield-calculator-drilling-yBpz/colombia) - [Czechia](https://apptail.io/app/oilfield-calculator-drilling-yBpz/czechia) - [Spain](https://apptail.io/app/oilfield-calculator-drilling-yBpz/spain) - [Grenada](https://apptail.io/app/oilfield-calculator-drilling-yBpz/grenada) - [Kazakhstan](https://apptail.io/app/oilfield-calculator-drilling-yBpz/kazakhstan) - [Malaysia](https://apptail.io/app/oilfield-calculator-drilling-yBpz/malaysia) - [Norway](https://apptail.io/app/oilfield-calculator-drilling-yBpz/norway) - [New Zealand](https://apptail.io/app/oilfield-calculator-drilling-yBpz/new-zealand) - [Pakistan](https://apptail.io/app/oilfield-calculator-drilling-yBpz/pakistan) - [Romania](https://apptail.io/app/oilfield-calculator-drilling-yBpz/romania) - [Türkiye](https://apptail.io/app/oilfield-calculator-drilling-yBpz/turkey) - [Ukraine](https://apptail.io/app/oilfield-calculator-drilling-yBpz/ukraine) - [United States](https://apptail.io/app/oilfield-calculator-drilling-yBpz/united-states) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. 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