WELL · 42-287-30528 · DISTRICT 3
Mary B #1
Lee County · Giddings (Austin Chalk-3) field · Producing · Vertical
Mary B #1 (API 42-287-30528) is a well in Lee County operated by Warren Production Services, completed October 1, 1979 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued July 19, 1979, permitted to 8,950 ft.
It was permitted by Ammex Petroleum Corporation and has since transferred to Warren Production Services on the wellbore schedule.
Its lease has reported 101K barrels of oil and 871K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Ammex Petroleum Corporation; the EWA schedule now lists a different operator.
Caldwell, TX · P-5 Y, filed Apr 4, 2026 · (979) 567-3405
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Warren Production Services |
| Production reports | Warren Production Servicesthrough Apr 2026 |
| Latest permit | Ammex Petroleum CorporationJul 19, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,950
- total depth, ft
- 1
- permits on file
- Jul 19, 1979
- last permit issued
- Oct 1, 1979
- completed
- 101K
- cumulative oil, bbl
- 871K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 1, 1979
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mary"b" O-3-12482 | Giddings (Austin Chalk-3) | Warren Production Services | 1 | 101K | 871K | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 12,580 · prior 12 13,860(-9%)
Oil, barrels lease total
Last 12 months 697 · prior 12 987(-29%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1United Trans-Western, Inc.Jan 1993 → Mar 1994
- 2Williams, Clayton Energy, Inc.Apr 1994 → Nov 2016
- 3Wildhorse Resources Mngt Co, LLCDec 2016 → May 2019
- 4Chesapeake Operating, L.L.C.Jun 2019 → Aug 2020
- 5Warren Production ServicesJul 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 53263-99 | Drill | Ammex Petroleum Corporation | Jul 19, 1979 | Jul 19, 1979 | Jul 27, 1979 | 8,950 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-12482 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| — | 8,482 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,735 | 12.25 | 965 S |
| 2.375 | 8,310 | — | — |
| 5.5 | 8,395 | 8.75 | 375 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1984 | Oct 11, 1979 | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-287-30528 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-287-30528 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/28730528, documented in the API reference.