OPERATORS · RRC 745991 · P-5 STATUS Y
San Isidro Dev Co, L. C
Sandia, TX
Watch this operatorSan Isidro Dev CO, L. C has filed no drilling permits in the past 12 months; its most recent permit was issued August 31, 2023.
The RRC wellbore file lists 26 wells under its operatorship (7 producing).
Lease reports credit it with 15.6K barrels of oil and 2.48K mcf of gas in the 12 months reported through April 2026, down 8% on the year before.
It holds 1 active disposal or injection permit, injecting 350K barrels in the 12 months reported through June 2025.
46 drilling permits have been issued to this operator number since 2003; its P-5 organization report was last filed May 4, 2026.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 7
- producing wells, of 26 of record
- 22
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED OCT 29, 2026
From permit to spud
FROM THE DATES ON ITS W-1 PERMITS · ALL TIME
A permit is a plan, not a well. These figures count only permits old enough to have spudded, six months and more, and read the spud, cancel, and expiry dates the RRC records on each one.
- 67%
- spud rate · 31 of 46 mature permits
- 47
- median days permit to spud · middle half 23–54
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 15
- expired undrilled
- 2
- permits a year over 20 active years
Permits issued by month
LAST 3 MONTHS · BY ISSUE DATE
Last 12 months 3
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
| County | 12 mo | All time | Wells | Last |
|---|---|---|---|---|
| McMullen county → | — | 12 | 9 | Dec 31, 2018 |
| Webb county → | — | 10 | 3 | Mar 27, 2019 |
| Jim Wells county → | — | 8 | 1 | Sep 22, 2017 |
| Duval county → | — | 6 | 3 | Feb 3, 2017 |
| Bee county → | — | 3 | 1 | Sep 8, 2008 |
| Refugio county → | — | 3 | 8 | Aug 31, 2023 |
| Matagorda county → | — | 2 | 1 | Mar 23, 2009 |
| Wilson county → | — | 2 | 0 | Dec 31, 2018 |
All 46 permits, searchable → · Leases it reports → · On the map →
Formations in its completed wells
Tops reported on completion filings for wells it operates. RRC wellbore file. About tops →
| Formation | Wells | Permitted last 3 yrs |
|---|---|---|
| Austin Chalk | 7 | 0 |
| Eagle Ford | 7 | 0 |
| Wilcox | 5 | 0 |
| Queen City | 4 | 0 |
| Catahoula | 4 | 0 |
| Anacacho | 4 | 0 |
| Carrizo | 3 | 0 |
| Vicksburg | 3 | 0 |
| Miocene (undifferentiated) | 2 | 0 |
| Yegua | 2 | 0 |
| Frio | 2 | 0 |
| Midway | 1 | 0 |
| Olmos | 1 | 0 |
| Jackson | 1 | 0 |
Production by month
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Barrels on leases where this operator filed the production report. Lease-level by design; the latest months are revised upward as late reports arrive. How production is reported →
- 15.6K
- bbl oil, last 12 reported months
- -8%
- vs the 12 months before
- 2.48K
- mcf gas incl. casinghead, last 12
- 130K
- bbl oil since reporting began
Oil, barrels
Last 12 months 15,649 · prior 12 16,999(-8%)
Gas, mcf
Last 12 months 2,481 · prior 12 4,617(-46%)
Beyond the permit record
RRC wellbore file
Wells of record
- 26
- on the schedule
- 7
- producing
- 0
- shut in
- 1
- injection
- 0
- temp. abandoned
- 18
- plugged
How it got them
- 10
- permitted itself
- 16
- acquired from others
- 18
- permitted, now run by others
Acquired means the well's permit names a different operator than the schedule does today. Transfers and operator numbers →
RRC UIC permits · H-10 reported volumes
Disposal and injection
- 1
- active UIC permits of 1
- 10K
- permitted bbl/day, active
- 350K
- bbl injected, last 12 reported months
- Jun 2025
- reported through
By county
| Refugio | 1 active | 10K bbl/d |
Permitted volume is a ceiling, not throughput. How to read it →
Permit types
Last 12 months against the prior 12, and all time. A type opens the permit history filtered to it. What the types mean →
| Type | 12 mo | Prior 12 | All time |
|---|---|---|---|
| Drill | 0 | 0 | 43 |
| Recompletion | 0 | 0 | 3 |
Fields
RRC regulatory fields with the most wells of record under this operator. The field opens its page; the count opens this operator's wells in it.
| Field | Wells | Producing |
|---|---|---|
| Eagleville (Eagle Ford-1)27135700 | 8 | 0 |
| Wildcat8001 | 3 | 0 |
| Owen (Olmos)67885400 | 2 | 0 |
| Refugio New (6200 FB 1)75654792 | 2 | 2 |
| Refugio New (4500)75654264 | 1 | 0 |
| Refugio New (6100 Stringer 1)75654528 | 1 | 1 |
| Refugio New (6200 B)75654750 | 1 | 1 |
| Refugio New (6200 Stringer Sd.)75654858 | 1 | 1 |
| Refugio New (6400 Sand)75654924 | 1 | 1 |
| Refugio New (6400 Stringer Sd.)75654926 | 1 | 1 |
| Tuleta West (Hockley 3100)91685160 | 1 | 0 |
| Weatherby (Wilcox P)95580800 | 1 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed May 4, 2026
- Gas operatorOil operator
- Address
- 400 FM 534
- Sandia, TX 78383
- (361) 765-2450
- Officers and agents
- Dirks, Paul Martin · Manager
- Hagemann, Barry · Filing Agent
- McBroom, John Patrick · Manager
- Allison, Bryan Lee · Manager
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
About this data
Registration from the RRC P-5 organization report, refreshed weekly. Permits from the OGA049M master and daily daf420 files; wells of record from the EWA wellbore schedule; production from PDQ lease reports at the last vintage; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly.
Developers: this page as JSON is GET /v1/data/operators/tx/745991, documented in the API reference.