TEXAS · WELLS · MONTGOMERY COUNTY · SOUTH TEXAS DEVELOPMENT CO. "1" LEASE · API 42-339-31027 · DISTRICT 03
South Texas Development Co. 1 #102P
Montgomery County · Conroe (Cons. U) field · Temp Abandoned · Vertical
South Texas Development CO. 1 #102P (API 42-339-31027) is a well in Montgomery County operated by Highmark Energy Operating LLC, completed October 2, 2003 and listed as temp abandoned on the RRC schedule, shut in November 1, 2003.
The RRC has issued one drilling permit, issued December 27, 2002, permitted to 1,550 ft.
It was permitted by Exxon Mobil Corporation and has since transferred to Highmark Energy Operating LLC on the wellbore schedule.
Completion filings report 8 formation tops, including P-10 Sand, P10 Sand, P-70 Sand, P-15 Sand.
Its lease has reported 2.26K mcf of gas since May 2003, with no volume in the three years through April 2026.
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 | Highmark Energy Operating, LLCthrough Oct 2003 |
| Latest permit | Exxon Mobil CorporationDec 27, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,550
- total depth, ft
- 1
- permits on file
- Dec 27, 2002
- last permit issued
- Oct 2, 2003
- completed
- 0
- cumulative oil, bbl
- 2.26K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2003 THROUGH Oct 2003
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 2, 2003
- Shut in
- Nov 1, 2003
- 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-3-195388 | Conroe (Cons. U) | Highmark Energy Operating, LLC | 1 | 0 | 2.26K | May 2003 – Oct 2003 |
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 CorporationJun 2003 → Oct 2003
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 526733-99 | Drill | Exxon Mobil Corporation | Dec 27, 2002 | Dec 27, 2002 | Apr 20, 2003 | 2,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 2, 2003 | South Texas Development Co. 1 G-3-195388 | Conroe (Cons. U) | Highmark Energy Operating LLC | Temp Abandoned · shut in Nov 1, 2003 | 1,550 |
Formation tops
As filed on W-2/G-1. Subsea from 188 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| P-10 Sand | 818 | -630 |
| P10 Sand | 818 | -630 |
| P-70 Sand | 818 | -630 |
| P-15 Sand | 1,191 | -1,003 |
| P-15SAND | 1,191 | -1,003 |
| P15 Sand | 1,191 | -1,003 |
| P-20 Sand | 1,470 | -1,282 |
| P20 Sand | 1,470 | -1,282 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 978 | 980 | Perforated |
| 986 | 992 | Perforated |
| 1,035 | 1,040 | Perforated |
| 1,046 | 1,050 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7 | 355 | 8.5 | 165 S |
| 2.875 | 1,550 | 6.125 | 255 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Dec 1, 2003 | Oct 30, 2003 | — |
| 00 | Sep 25, 2003 | Aug 6, 2003 | — |
| 00 | Jul 24, 2003 | Jun 20, 2003 | Yes |
| 00 | Jul 11, 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 42-339-31027 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-339-31027 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/33931027, documented in the API reference.