TEXAS · WELLS · HARRISON COUNTY · LETOURNEAU GU 1 LEASE · API 42-203-31931 · DISTRICT 06
Letourneau GU 1 #4
Harrison County · Oak Hill (Cotton Valley) field · Producing · Vertical
Letourneau GU 1 #4 (API 42-203-31931) is a well in Harrison County operated by Tgnr East Texas LLC, completed October 23, 1990 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued June 22, 1990, permitted to 10,555 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Tgnr East Texas LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Massive Anhydrite (marker), Pettit, Travis Peak, Cotton Valley.
Its lease has reported 754K mcf of gas since the record begins in January 1993, last reporting volume in August 2026.
Operator of record
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)RRC P-5 file of Oct 22, 2026
- P-5 last filed
- Feb 4, 2026
- Permits on file
- 41
- Phone
- (346) 308-2250
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | TGNR East Texas LLC |
| Production reports | TGNR East Texas LLCthrough Aug 2026 |
| Latest permit | Union Pacific Resources CompanyJun 22, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,555
- total depth, ft
- 2
- permits on file
- Jun 22, 1990
- last permit issued
- Oct 23, 1990
- completed
- 0
- cumulative oil, bbl
- 754K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH AUG 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 23, 1990
- 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 |
|---|---|---|---|---|---|---|
| Letourneau GU 1 G-6-136384 | Oak Hill (Cotton Valley) | TGNR East Texas LLC | 1 | 0 | 754K | by Jan 1993 – Aug 2026 |
Gas, mcf lease total
Last 12 months 12,415 · prior 12 20,200(-39%)
Wells named Letourneau GU 1
TGNR East Texas LLC's other wells filed under this lease name in Harrison County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Operator on the lease's P-4
Each operator named on the P-4 filings for this well's lease (a gas well is its own lease), from the date its filing took effect. The P-4 is filed by lease, so a date before the well was drilled is the lease's.
| Operator | From | To |
|---|---|---|
| TGNR East Texas LLC | Feb 1, 2021 | today |
| Cci East Texas Upstream LLC | Dec 1, 2016 | Feb 1, 2021 |
| Anadarko E&P Onshore LLC | Jan 1, 2013 | Dec 1, 2016 |
| Anadarko E&P Company LP | Dec 1, 2002 | Jan 1, 2013 |
| Rme Petroleum Company | Feb 1, 2001 | Dec 1, 2002 |
| Union Pacific Resources Company | Jan 8, 1991 | Feb 1, 2001 |
Reporting production
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyJan 1993 → Jan 2001
- 2Rme Petroleum CompanyFeb 2001 → Nov 2002
- 3Anadarko E&P Company LPDec 2002 → Dec 2012
- 4Anadarko E&P Onshore LLCJan 2013 → Sep 2016
- 5Cci East Texas Upstream LLCDec 2016 → Jan 2021
- 6TGNR East Texas LLCFeb 2021 → Aug 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 374767-98 | Drill | Union Pacific Resources Company | Sep 6, 1990 | Jun 22, 1990 | — | 11,200 |
| 374767-99 | Drill | Union Pacific Resources Company | Jun 22, 1990 | Jun 22, 1990 | — | 11,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 23, 1990 | Letourneau GU 1 G-6-136384 | Oak Hill (Cotton Valley) | TGNR East Texas LLC | Producing | 10,555 |
Formation tops
As filed on W-2/G-1. Subsea from 240 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Massive Anhydrite (marker)MASSIVE ANHYDRITE | 5,661 | -5,421 |
| PettitPETTET | 6,639 | -6,399 |
| Travis Peak | 6,906 | -6,666 |
| Cotton Valley | 8,773 | -8,533 |
| Taylor | 10,030 | -9,790 |
| Bossier | 10,410 | -10,170 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,138 | 10,162 | Perforated |
| 10,177 | 10,181 | Perforated |
| 10,208 | 10,230 | Perforated |
| 10,240 | 10,264 | Perforated |
| 10,276 | 10,280 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,875 | 12.25 | 900 S |
| 4.5 | 10,555 | 7.875 | 2,160 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 | Jan 28, 1991 | Nov 15, 1990 | Yes |
| 00 | Jan 8, 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 42-203-31931 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-203-31931 → 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/20331931, documented in the API reference.