COYANOSA UNIT NO. 4

COYANOSA UNIT NO. 4 is a Texas gas lease in Pecos County, Railroad Commission district 08, operated by Exxon Corp. It has 1 wellbore on file with the Commission. Reported production runs from January 1993 to August 2026, totalling 8,876,881 thousand cubic feet. The lease is currently producing. Fitting a decline curve to that history and pricing the remaining production at today's forward curve values the whole lease — a 100% undivided interest — at about $947K, with roughly $143K expected over the next twelve months. An individual royalty owner receives their own decimal interest times that figure. Over the last twelve months on file it averaged 9,294 thousand cubic feet a month. Its strongest month on the record we hold was December 2016, at 45,251 thousand cubic feet. In our own backtest, leases producing at this rate are forecast to within about 17% of what they went on to produce, and that measured error is the range shown on the page rather than a confidence of our own devising.

Key facts about COYANOSA UNIT NO. 4

Who operates COYANOSA UNIT NO. 4?
COYANOSA UNIT NO. 4 is operated by Exxon Corp., Railroad Commission of Texas operator number 257097.
Where is COYANOSA UNIT NO. 4?
COYANOSA UNIT NO. 4 is a Texas gas lease in Pecos County, Texas, in Railroad Commission district 08. Its Railroad Commission lease number is 039846.
Is COYANOSA UNIT NO. 4 still producing?
COYANOSA UNIT NO. 4 is currently producing. The most recent month of production reported to the Railroad Commission of Texas for COYANOSA UNIT NO. 4 is August 2026.
How much has COYANOSA UNIT NO. 4 produced?
COYANOSA UNIT NO. 4 has reported 8,876,881 thousand cubic feet of gas (Mcf) to the Railroad Commission of Texas between January 1993 and August 2026, from 1 wellbore.
How much is COYANOSA UNIT NO. 4 worth?
The remaining production from COYANOSA UNIT NO. 4 is estimated to be worth about $947K in total as of 27 August 2026, within a range of $786K to $1.1M. That figure is the whole lease, undivided — not any one owner's share. A royalty interest in COYANOSA UNIT NO. 4 is a fraction of it. The estimate fits an Arps decline curve to the production COYANOSA UNIT NO. 4 has already reported, prices the remaining production at the current forward strip, and discounts it at 12% a year. The figure shown for COYANOSA UNIT NO. 4 is an estimate of value, not an offer and not an appraisal.
How much income does COYANOSA UNIT NO. 4 generate in a year?
COYANOSA UNIT NO. 4 is forecast to net about $143K across the whole undivided lease over the twelve months following 27 August 2026, before income tax. A royalty owner in COYANOSA UNIT NO. 4 receives a fraction of that, set by the decimal interest printed on their check stub.

Lease record

COYANOSA UNIT NO. 4 as filed with the Railroad Commission of Texas
OperatorExxon Corp.
FieldCoyanosa (Ellenburger)
CountyPecos County, Texas
RRC district08
Lease number039846
Wellbores1
Reported production8,876,881 mcf
First reported
Last reported
Estimated royalty value$947K

Where COYANOSA UNIT NO. 4 sits

Source: Railroad Commission of Texas lease production records, complete through . Figures on this page were computed on .

Production figures are as reported to the Railroad Commission of Texas. The value shown is an estimate produced by fitting a decline curve to that reported history; it is not an offer or an appraisal. How this estimate is calculated.