WELL · 42-329-33906 · DISTRICT 8
Willis #1A
Midland County · Spraberry (Trend Area) field · Shut IN · Vertical
Willis #1A (API 42-329-33906) is a well in Midland County operated by Extex Operating Company, completed December 7, 2018 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued September 12, 1997, permitted to 9,200 ft.
It was permitted by Tmbr/Sharp Drilling, Inc. and has since transferred to Extex Operating Company on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its lease has reported 30.3K barrels of oil and 95.2K mcf of gas since October 1997, last reporting in July 2026.
Operator of record
Permitted by Tmbr/Sharp Drilling, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Nov 4, 2025 · 117 permits on file · (713) 870-4327
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Extex Operating Company |
| Production reports | Extex Operating Companythrough Dec 2022 |
| Latest permit | Tmbr/Sharp Drilling, Inc.Sep 12, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,200
- total depth, ft
- 1
- permits on file
- Sep 12, 1997
- last permit issued
- Dec 7, 2018
- completed
- 30.3K
- cumulative oil, bbl
- 95.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 7, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Willis O-10-35661 | Spraberry (Trend Area) | Extex Operating Company | 1 | 30.3K | 95.2K | Oct 1997 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Tmbr/Sharp Drilling, Inc.Nov 1997 → Feb 2004
- 2Patterson Petroleum LPMar 2004 → May 2007
- 3BC Operating, Inc.Jun 2007 → Apr 2008
- 4Legacy Reserves Operating LPMay 2008 → Sep 2018
- 5Extex Operating CompanyDec 2022 → Dec 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 467547-99 | Drill | Tmbr/Sharp Drilling, Inc. | Sep 12, 1997 | Sep 12, 1997 | Sep 16, 1997 | 9,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-35661 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,706 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,424 | 7,597 | Perforated |
| 8,257 | 8,386 | Perforated |
| 8,778 | 8,956 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 363 | 17.5 | 445 S |
| 8.625 | 5,350 | 11 | 1,135 S |
| 5.5 | 9,100 | 7.875 | 755 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 | Jul 22, 2019 | Jun 17, 2019 | — |
| 00 | Apr 22, 1998 | Jan 14, 1998 | Yes |
| 00 | Apr 7, 1998 | — | — |
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 42-329-33906 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-33906 → 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/32933906, documented in the API reference.