Eiger Operating Company, LLC vs Mack Energy Company
Side-by-side comparison of two oil and gas operators in KS,OK and KS,LA,OK,TX.
Drawn from public well data and state-regulator production filings.
Important — Public-Data Disclaimer.
The information shown on this page is sourced exclusively from publicly available oil and gas regulatory records (Texas Railroad Commission, Oklahoma Corporation Commission, and aggregated public well data). Valor is presenting these public records side-by-side as an informational convenience only.
This page is NOT an endorsement, recommendation, ranking, or qualitative judgment of either operator listed.
This page is NOT investment, legal, accounting, engineering, or operational advice of any kind.
This page does NOT imply that the listed operators are competitors, peers, partners, or that they have any relationship with one another or with Valor.
Public records can be incomplete, delayed, mis-coded by the underlying regulator, or subject to operator name changes. Figures shown are point-in-time estimates and may be inaccurate.
Mineral owners, investors, and counterparties should independently verify any operator-specific data with the relevant state regulator and their own qualified advisors before making decisions.
Operator names, marks, and well identifiers are the property of their respective owners. No affiliation with or sponsorship by either listed operator is asserted or implied.
Data sources: Publicly available well data (well counts, formations, counties, lateral lengths, permit/spud dates), Texas Railroad Commission lease-level production filings, and Oklahoma Corporation Commission well-level production filings.
Last-12-month production is summed across the most recent 12 months of public filings on file at the time of refresh and may lag by 30–90 days depending on regulator reporting cadence.
Refreshed monthly. Data as of 2026-07-13.
Methodology: Operator names from public records are normalized and matched to Valor's operator directory; small spelling variants may consolidate or split entities. Verify before relying on totals.