OPERATORS · RRC 911640 · P-5 STATUS Y
Westco Oil Co
Ozona, TX
Watch this operatorWestco Oil CO has filed no drilling permits in the past 12 months; its most recent permit was issued March 5, 1998.
The RRC wellbore file lists 8 wells under its operatorship.
9 drilling permits have been issued to this operator number since 1998; its P-5 organization report was last filed May 8, 2009.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 8 of record
- 3
- 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.
- 33%
- spud rate · 3 of 9 mature permits
- 13
- median days permit to spud · middle half 12–16
- 0
- spuds, last 180 days
- 0%
- cancelled · 0 permits
- 6
- expired undrilled
- 9
- permits a year over 1 active year
Where
Counties by permits in the last 12 months, with all-time permits and current wells of record there.
All 9 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 |
|---|---|---|
| Queen | 3 | 0 |
| San Andres | 3 | 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 →
- 0
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 226K
- bbl oil since reporting began
No lease production reported under this operator number in the last three years.
Beyond the permit record
RRC wellbore file
Wells of record
- 8
- on the schedule
- 0
- producing
- 0
- shut in
- 0
- injection
- 0
- temp. abandoned
- 6
- plugged
How it got them
- 0
- permitted itself
- 4
- acquired from others
- 5
- 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
- 0
- active UIC permits of 1
- 0
- permitted bbl/day, active
- 0
- bbl injected, last 12 reported months
- Jun 2025
- reported through
By county
| Polk | 0 active | 0 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 | 9 |
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 |
|---|---|---|
| Camp Ruby (Yegua 3645)15109750 | 8 | 0 |
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status code Y
- Last filed May 8, 2009
- Address
- P O Box F
- Ozona, TX 76943
- Officers and agents
- Smith, Marshall a III · President
- Bigham, Jim C · Secretary
- Nguyen, Van A · Vice President
- Barrow, Rejahna · Vice President
- Creel, Richard L · Vice President
Latest permits
NEWEST FIRST BY ISSUE DATE · FILED OR ON WELLS IT NOW OPERATES
| Permit | Seen | Issued | Operator | County | Lease / well | Depth | API |
|---|---|---|---|---|---|---|---|
| 473931 | Mar 5, 1998 | Mar 5, 1998 | Westco Oil Company | Crockett | Shannon, J. M. Estate -A- #26 | 1,900 | 10538071 |
| 473930 | Mar 5, 1998 | Mar 5, 1998 | Westco Oil Company | Crockett | Shannon, J. M. Estate -A- #25 | 1,900 | 10538069 |
| 473929 | Mar 5, 1998 | Mar 5, 1998 | Westco Oil Company | Crockett | Shannon, J. M. Estate -A- #24 | 1,900 | 10538070 |
| 472345 | Jan 21, 1998 | Jan 21, 1998 | Westco Oil Company | Crockett | Shannon, J. M. Estate -A- #23 | 1,900 | 10538007 |
| 472344 | Jan 21, 1998 | Jan 21, 1998 | Westco Oil Company | Crockett | Shannon, J. M. Estate -A- #22 | 1,900 | 10538006 |
| 472343 | Jan 21, 1998 | Jan 21, 1998 | Westco Oil Company | Crockett | Shannon, J. M. Estate -A- #21 | 1,900 | 10538005 |
| 472342 | Jan 21, 1998 | Jan 21, 1998 | Westco Oil Company | Crockett | Shannon, J. M. Estate -A- #20 | 1,900 | 10538004 |
| 471885 | Jan 7, 1998 | Jan 7, 1998 | Westco Oil Company | Crockett | Shannon, J. M. Estate -A- #18 | 1,900 | 10537992 |
| 471884 | Jan 7, 1998 | Jan 7, 1998 | Westco Oil Company | Crockett | Shannon, J. M. Estate -A- #19 | 1,900 | 10537991 |
| 226209 | Dec 15, 1983 | Dec 15, 1983 | McCauley, F. R. | Polk | Dabney, J. T. #5 | 3,750 | 37330575 |
| 137803 | Oct 23, 1981 | Oct 23, 1981 | Logue and Patterson Inc. | Polk | Carter, W. T. & Bros. "B" #2 | 3,800 | 37330520 |
| 88346 | Jul 31, 1980 | Jul 31, 1980 | McCauley, F. R. | Polk | Carter, W. T. & Bros. #3 | 3,710 | 37380207 |
| 82153 | May 27, 1980 | May 27, 1980 | McCauley, F. R. | Polk | Carter, W. T. & Bros. #5 | 3,710 | 37300701 |
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/911640, documented in the API reference.