Redoing annular volume and sack counts on a clipboard while the crew waits burns money and invites mistakes. Enter your well geometry once and get every number — plus a full pump schedule — in seconds.
One-time purchase. No subscription. Works offline. Instant access.
Enter casing OD/ID, hole size, shoe depth, TOC, excess and slurry yield. Annular volume, sacks, mix water and displacement calculate instantly — no spreadsheet, no re-checking.
Get a clear, stage-by-stage schedule in barrels: pump slurry, drop plug, displace, bump. Print it or save it as a PDF to hand to the crew and the company man.
Rigs don't always have internet. Installs as a PWA and runs 100% offline on your phone or tablet. High-contrast light mode reads fine in direct sunlight.
From Oil Rigs Now — trusted by oilfield professionals since 2011.
We build practical tools for the people who work in the field, not the office. No subscriptions. No data collection. Just the numbers you need to run the job safely.
No refunds. All sales are final. Instant access on purchase.