Oilfield Calculator: Drilling

Blast, Mud Weight & Hookload

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Mud weight to blast pattern in seconds — pro oilfield and mining calculators offline at the wellsite or mine bench. No ads, no subscription. 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.

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Updated app name and metadata.

Version 1.0.9

The developer, Shanghai Sheyuan Network Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    Accessibility

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    Information

    Seller
    Shanghai Sheyuan Network Technology Co., Ltd.
    Size
    1.4 MB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Sheyuan Inc.
  • Developer Website
  • Privacy Policy

    • More by Shanghai Sheyuan Network Technology Co., Ltd.

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