LEASES · O-10-29977 · OIL · DISTRICT 08

Mahaffey -A-

No volume since Jun 2006

Range Production Company · Sterling County · Conger (Penn) field

Mahaffey -A- is an RRC oil lease (O-10-29977) in Sterling County operated by Range Production Company, with 3 wells completed on it.

It has reported 11.9K barrels of oil and 895K mcf of gas since January 1993, last reporting volume in June 2006 (statewide data runs through April 2026).

The last 12 reported months total 271 barrels of oil, down 40% on the year before; the lease peaked at 299 barrels in December 1997.

3 operators have filed production on it, most recently Range Production Company since September 1998.

11.9K
bbl oil, all reported
895K
mcf gas incl. casinghead
271
bbl oil, last 12 reported
-40%
vs the 12 before
3
wells completed on it
299
peak month, bbl (Dec 1997)

PDQ LEASE REPORTS · FIRST JAN 1993 · LAST VOLUME JUN 2006 · STATEWIDE DATA THROUGH APR 2026

Oil by month

Barrels reported on Form PR for the whole lease. The latest months are revised upward as late reports arrive.

Last 12 months 271 · prior 12 450(-40%)

01002003001997199819992000200120022003200420052006

Gas by month

Gas-well gas plus casinghead gas, mcf. On an oil lease all gas is reported as casinghead. The latest months are revised upward as late reports arrive.

Last 12 months 26,275 · prior 12 46,858(-44%)

05K10K1997199819992000200120022003200420052006

Who reported it

Each run of months one operator filed the production report, oldest first.

  1. Grand Banks Energy CompanyJan 1993 → May 1994 · 17 mo
  2. Lomak Production CompanyJun 1994 → Aug 1998 · 51 mo
  3. Range Production CompanySep 1998 → Nov 2006 · 99 mo

Wells on the lease

FROM COMPLETION REPORTS · PRODUCTION ABOVE IS THEIR TOTAL

3

wells completed on the lease

Not on Schedule
3

Operates them now

Newest permits

All 3 wells, searchable →

About this data

Monthly oil, gas, and casinghead from the RRC PDQ production dump, which lags the reporting month by two to three months; figures shown through Apr 2026. Wells from completion reports; operator runs from who filed each month's report.

Developers: this page as JSON is GET /v1/data/leases/tx/o-10-29977, documented in the API reference.