WELL · 42-339-31038 · DISTRICT 3
South Texas Development Co. 1 #104P
Montgomery County · Conroe (Cons. U) field · Temp Abandoned · Vertical
South Texas Development CO. 1 #104P (API 42-339-31038) is a well in Montgomery County operated by Highmark Energy Operating LLC, completed February 9, 2015 and listed as temp abandoned on the RRC schedule.
The RRC has issued one drilling permit, issued January 28, 2003, permitted to 2,300 ft.
It was permitted by Exxon Mobil Corporation and has since transferred to Highmark Energy Operating LLC on the wellbore schedule.
Completion filings report 14 formation tops, including P-11 Sand, P11 Sand, P-13 Sand, P13 Sand.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Exxon Mobil Corporation; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 9, 2026
- Permits on file
- 23
- Phone
- (469) 214-5299
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Highmark Energy Operating LLC |
| Production reports | Denbury Onshore, LLCthrough May 2018 |
| Latest permit | Exxon Mobil CorporationJan 28, 2003 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,300
- total depth, ft
- 1
- permits on file
- Jan 28, 2003
- last permit issued
- Feb 9, 2015
- completed
- 0
- cumulative oil, bbl
- 1.07M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2003 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 9, 2015
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| South Texas Development Co. "1" G-3-195818 | Conroe (Cons. U) | Highmark Energy Operating, LLC | 1 | 0 | 1.07M | Jun 2003 – 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.
- 1Exxon Mobil CorporationAug 2003 → Aug 2006
- 2Wapiti Operating, LLCSep 2006 → Dec 2009
- 3Denbury Onshore, LLCJan 2010 → May 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 527762-99 | Drill | Exxon Mobil Corporation | Jan 27, 2003 | Jan 28, 2003 | May 15, 2003 | 2,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-195818 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 176 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| P-11 Sand | 897 | -721 |
| P11 Sand | 897 | -721 |
| P-13 Sand | 992 | -816 |
| P13 Sand | 992 | -816 |
| P-15 Sand | 1,169 | -993 |
| P15 Sand | 1,169 | -993 |
| P-20 Sand | 1,403 | -1,227 |
| P-20SAND | 1,403 | -1,227 |
| P20 Sand | 1,403 | -1,227 |
| P-21 Sand | 1,428 | -1,252 |
| P-21SAND | 1,428 | -1,252 |
| P21 Sand | 1,428 | -1,252 |
| P-22 Sand | 1,504 | -1,328 |
| P22 Sand | 1,504 | -1,328 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 903 | 913 | Perforated |
| 994 | 1,004 | Perforated |
| 1,430 | 1,440 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7 | 364 | 8.5 | 230 S |
| 2.875 | 1,816 | 6.125 | 360 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 | Apr 28, 2016 | May 7, 2015 | — |
| 00 | Oct 20, 2003 | Sep 18, 2003 | — |
| 00 | Aug 20, 2003 | Jul 30, 2003 | Yes |
| 00 | Aug 6, 2003 | — | — |
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 42-339-31038 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-339-31038 → 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/33931038, documented in the API reference.