WELL · 42-177-31873 · DISTRICT 1
Gordon Unit #1
Gonzales County · Pilgrim (Austin Chalk) field · Horizontal
Gordon Unit #1 (API 42-177-31873) is a plugged horizontal well in Gonzales County, plugged May 18, 2007, last operated by Tdc Engineering Inc..
The RRC has issued one drilling permit, issued February 1, 1991, permitted to 9,500 ft.
It was permitted by Sanchez-O'Brien / Texaco Inc. and has since transferred to Tdc Engineering Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Wilcox, Escondido, Taylor, Anacacho.
Its lease has reported 84.1K barrels of oil and 37.8K mcf of gas since January 1993, last reporting in June 2010.
Operator of record
Permitted by Sanchez-O'Brien / Texaco Inc.; the EWA schedule now lists a different operator.
Abilene, TX · P-5 Y, filed Aug 4, 2025 · 227 permits on file · (325) 668-6333
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | TDC Engineering Inc. |
| Production reports | TDC Engineering, Inc.through Apr 2005 |
| Latest permit | Sanchez-O'Brien / Texaco Inc.Feb 1, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,500
- total depth, ft
- 1
- permits on file
- Feb 1, 1991
- last permit issued
- Apr 3, 1991
- completed
- 84.1K
- cumulative oil, bbl
- 37.8K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 3, 1991
- Shut in
- —
- Plugged
- May 18, 2007
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 |
|---|---|---|---|---|---|---|
| Gordon Unit O-1-13103 | Pilgrim (Austin Chalk) | TDC Engineering, Inc. | 1 | 84.1K | 37.8K | Jan 1993 – Jun 2010 |
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.
- 1Sanchez-O'Brien Oil & Gas Corp.Jan 1993 → Oct 1994
- 2First Rock, Inc.Dec 1994 → Dec 1995
- 3TDC Engineering, Inc.Jan 1996 → Apr 2005
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 384144-99 | Drill | Sanchez-O'Brien / Texaco Inc. | Feb 1, 1991 | Feb 1, 1991 | Feb 13, 1991 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-13103 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 239 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 5,390 | -5,151 |
| Escondido | 6,393 | -6,154 |
| Taylor | 7,004 | -6,765 |
| Anacacho | 7,856 | -7,617 |
| Austin Chalk | 7,993 | -7,754 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,000 | 11,596 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,025 | 12.25 | 385 S |
| 7 | 8,198 | 8.75 | 720 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 15, 1991 | Apr 23, 1991 | Yes |
| 00 | Jul 12, 1991 | — | — |
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 42-177-31873 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-31873 → 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/17731873, documented in the API reference.