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WELLFLINT GUIDES

Guides for independent operators

Updated October 6, 2026 · By Ben Tremblay, founder of WellFlint

Plain answers to the month-end and field questions independent operators ask us most. Written for owners, office managers and pumpers running up to 150 wells.

• Texas Form PR: when it's due and how to prepare it

  Texas Form PR is due the last day of the month after production: October 2026 production is due November 30, 2026. Full 2026–2027 due dates, codes and checklist.

• RRC pit registration: the July 1, 2026 deadline explained

  Which lease pits had to be registered, closed or permitted under the RRC's new Chapter 4 rules, and how to register one in LoneSTAR.

• How to reconcile run tickets with the purchaser statement

  What's on a crude oil run ticket, how to check it against the purchaser statement, and why ticket and statement volumes differ. A guide for small operators.

• Oil tank chart and barrels per inch calculator

  A 400 bbl tank holds 1.68 bbl per inch, a 210 bbl tank 1.17. Free oil tank chart by the foot, standard tank dimensions, and a gauge calculator.

• Net oil calculator: gross to net barrels

  Free net oil calculator: turn gross barrels into net barrels with BS&W deduction and temperature correction to 60°F, the way a crude oil run ticket does.

• Run ticket checklist for pumpers

  A printable run ticket checklist for pumpers and lease operators: what to check before, during and after a crude oil load, and what the office needs.

• RRC Forms P-5, W-10 and H-10: what small Texas operators file each year

  The recurring RRC filings for small Texas operators: P-5 renewal and financial assurance, W-10 well tests and H-10 disposal reports, with due dates.

• Texas oil and gas severance tax calculator

  Texas taxes oil at 4.6% of market value plus $0.00625 per barrel, and gas at 7.5% plus $0.000667 per Mcf. Free calculator, rates, due dates and credits.

• 400 bbl tank chart

  Printable 400 barrel tank chart: gross barrels at every inch from 0 to 20 feet. A 400 bbl tank is 12 ft wide, 1.68 bbl per inch, about 403 bbl full.

• Free printable pumper gauge sheet

  A free printable pumper gauge sheet: tank gauges in feet, inches and quarters, barrels, BS&W, temperature, run ticket numbers, well pressures and notes.