WELL · 42-287-31299 · DISTRICT 3
Matilda Unit #3
Lee County · Giddings (Austin Chalk Gas) field · Horizontal · Sidetrack
Matilda Unit #3 (API 42-287-31299) is a plugged horizontal well in Lee County, plugged December 15, 2005, last operated by U. S. Operating Inc..
The RRC has issued 3 drilling permits (amended once) between 1982 and 2004, permitted to 11,700 ft.
It was permitted by Anadarko Austin Chalk Company and has since transferred to U. S. Operating Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Pecan Gap, Austin Chalk, Eagle Ford, Buda.
Operator of record
Permitted by Anadarko Austin Chalk Company; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Nov 18, 2024
- Permits on file
- 495
- Phone
- (214) 891-3300
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | U. S. Operating Inc. |
| Production reports | Anadarko E&P Company LPthrough Apr 2004 |
| Latest permit | Anadarko Austin Chalk CompanyJan 8, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,700
- total depth, ft
- 4
- permits on file
- Jan 8, 2004
- last permit issued
- Feb 15, 1983
- completed
- 0
- cumulative oil, bbl
- 150K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2006
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 15, 1983
- Shut in
- —
- Plugged
- Dec 15, 2005
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 2 leases this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Stranger, T. Unit G-3-141600 | Giddings (Austin Chalk, Gas) | Anadarko E&P Company LP | 1 | 0 | 150K | Jan 1993 – Feb 2006 |
| — O-3-20413 | — | — | 0 | 0 | 0 | — |
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.
- 1U. S. Operating, Inc.Jan 1993 → Jul 1994
- 2Union Pacific Resources CompanyAug 1994 → Oct 1996
- 3Anadarko E&P Company LPMar 2004 → Apr 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 539594-98 | Recompletion · sidetrack | Anadarko Austin Chalk Company | Aug 19, 2004 | Jan 8, 2004 | — | 8,700 |
| 539594-99 | Recompletion · sidetrack | Anadarko Austin Chalk Company | Dec 12, 2003 | Jan 8, 2004 | Jan 4, 2004 | 11,700 |
| 361938-99 | Recompletion | U. S. Operating, Inc. | Jul 25, 1989 | Aug 24, 1989 | — | 9,205 |
| 172328-99 | Drill | U. S. Operating, Inc. | Sep 17, 1982 | Sep 17, 1982 | — | 9,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-141600 | — | — | — | — |
| — | — O-3-20413 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 320 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 7,600 | -7,280 |
| Austin Chalk | 8,205 | -7,885 |
| Eagle Ford | 8,885 | -8,565 |
| Eagle FordEAGLEFORD | 8,885 | -8,565 |
| Buda | 9,061 | -8,741 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,235 | 8,402 | Perforated |
| 8,236 | 8,750 | Perforated |
| 8,436 | 8,868 | Perforated |
| 8,646 | 8,871 | Perforated |
| 8,657 | 10,276 | Perforated |
| 9,061 | 9,128 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,200 | 12.25 | 450 S |
| 7 | 8,150 | 8.75 | 250 S |
| 2.375 | 8,150 | — | — |
| 2.375 | 8,570 | — | — |
| 7 | — | 8.75 | 600 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 10, 2005 | Jun 30, 2004 | — |
| 00 | Dec 17, 2003 | Nov 4, 2003 | — |
| 00 | Jul 27, 1992 | Jul 2, 1992 | — |
| 00 | Jul 10, 1992 | — | — |
| 00 | Dec 8, 1989 | Nov 13, 1989 | — |
| 00 | May 15, 1989 | Apr 21, 1989 | — |
| 00 | May 2, 1989 | — | — |
| 00 | Jan 12, 1984 | Mar 10, 1983 | — |
| 00 | Jan 12, 1984 | Jan 19, 1983 | — |
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 42-287-31299 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-287-31299 → 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/28731299, documented in the API reference.