OPERATORS · TEXAS · P-5 NUMBER 251925
Endrex Exploration Company
- P-5 status
- Inactive (I)
- P-5 last filed
- Aug 7, 1990
- Based in
- Irving, TX
Endrex Exploration Company has filed no drilling permits in the past 12 months; its most recent permit was issued October 24, 1985.
The RRC wellbore file lists 1 well under its operatorship.
37 drilling permits have been issued to this operator number since 1983; its P-5 organization report was last filed August 7, 1990.
- 0
- permits, last 12 months
- —
- vs prior 12 months (0)
- 0
- counties, 12 months
- 0
- producing wells, of 1 of record
- 0
- leases it reports
- —
- horizontal, 12 months
WINDOWS ON THE RRC ISSUE DATE · COMPUTED NOV 6, 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.
- 14%
- spud rate · 5 of 37 mature permits
- 10
- median days permit to spud · middle half 7–12
- 0
- spuds, last 180 days
- 0%
- canceled · 0 permits
- 32
- expired undrilled
- 12
- permits a year over 3 active years
Permits issued by month
LAST 60 MONTHS · BY ISSUE DATE
Last 12 months 0 · prior 12 0
Counties
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 |
|---|---|---|---|---|
| Fayette county → | — | 34 | 1 | Oct 24, 1985 |
| Lee county → | — | 2 | 0 | Jun 26, 1984 |
| Hidalgo county → | — | 1 | 0 | Aug 8, 1983 |
All 37 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 | 11 | 0 |
| Eagle Ford | 6 | 0 |
| Pecan Gap | 5 | 0 |
| Buda | 3 | 0 |
| Navarro | 2 | 0 |
| Wilcox | 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 →
- 0
- bbl oil, last 12 reported months
- —
- vs the 12 months before
- 0
- mcf gas incl. casinghead, last 12
- 0
- bbl oil since reporting began
No lease production reported under this operator number in the last ten years.
Beyond the permit record
RRC wellbore file
Wells of record
How it got them
Each count opens the wells it counts. Acquired means the well's permit names a different operator than the schedule does today; wells it permitted that others now run are in its permit history, marked with who runs them now. Transfers and operator numbers →
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 | 37 |
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.
P-5 organization report
As registered with the RRC. About the P-5 →
- Registration
- Status Inactive (I)
- Last filed Aug 7, 1990
- Address
- P. O. Box 160907
- Irving, TX 75016
- (972) 401-3111
- Officers and agents
- Gruy Petroleum Management Co. · Texas Resident Agent
- Vanderlaan, Mikell F. · President/Vice President/Secreta
- Lindauer, Joyce · Attorney
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 by the operator that filed them, through the statewide reported-through month; disposal from UIC permits and H-10 reports. Summary figures are rebuilt nightly. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/operators/tx/251925, documented in the API reference.