Lease Operator Toolkit is a practical field companion designed specifically for oilfield lease operators and production personnel. It combines commonly used field calculations, workover utilities, and note-taking tools into one easy-to-use app so you can work faster and stay organized at the wellsite. Whether you are monitoring wells, calculating volumes, performing tubing integrity tests, or documenting field activity, Lease Operator Toolkit keeps essential tools in one place—right on your phone. Built by someone who works in the field, this app focuses on speed, clarity, and reliability when you need answers quickly. Core Tools Gas Volume Calculator, Estimate gas volumes quickly using field inputs. Spill Calculator – Pro, Calculate spill volumes and store results for later reference or reporting. Volume in Pipe, Estimate gas volume contained in pipe using pipe dimensions and temperature. Workover Assistant, Includes pipe tally tools to help track tubing and workover operations. H.I.T. Test Tracker, Record and trend Tubing Integrity Test data to monitor well performance. Field Notes, Capture and store notes directly from the field. Field Notes allow you to quickly document wellsite observations, operational details, and important reminders so information is always available when you need it. Designed for Real Field Conditions Simple and fast interface Works entirely on your device No accounts or logins required Built for production operators and field personnel Clean layout that works in both light and dark mode Privacy First Lease Operator Toolkit does not collect or transmit user data. All information entered into the app is stored locally on your device. Important Notice Lease Operator Toolkit is intended as a field reference tool only. All calculations should be verified using company standards, engineering practices, and operational procedures.