DRILL CALC - Oilfield Tool — Old versions
OJANA DEVNo older versions available yet. Current release.
What's new in 1.2.2
Bug fixes and calculation improvements.
Signing history
Android only installs an update signed by the same key as the version already on your device. This timeline shows every signing key we've seen for DRILL CALC - Oilfield Tool. One known signing key across every release we hold.
1.2.2
Current key1 release · Aug 2, 2026df74 b008 4f3a de06…
Certificates on record (1)
Every key we have ever recorded for DRILL CALC - Oilfield Tool. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
- df74 b008 4f3a de06…Recorded the first time we scanned this package · Aug 2, 2026CN=Android, O=Google Inc.