TEXAS · WELLS · SMITH COUNTY · THOMPSON "B" LEASE · API 42-423-31335 · DISTRICT 06
Thompson B #4
Smith County · Chapel Hill (Pettit) field · Producing · Vertical
Thompson B #4 (API 42-423-31335) is a well in Smith County operated by Atlas Operating LLC, completed January 7, 1992 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued July 24, 1991, permitted to 8,714 ft.
It was permitted by Dallas Production, Inc. and has since transferred to Atlas Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Rodessa, Jeames Lime, Pettit, Travis Peak.
Its lease has reported 82.5K barrels of oil and 489K mcf of gas since January 1993, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Dallas Production, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Hearing (H)
- P-5 last filed
- Mar 9, 2026
- Permits on file
- 78
- Phone
- (281) 893-9400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Atlas Operating LLC |
| Production reports | Atlas Operating LLCthrough Mar 2026 |
| Latest permit | Dallas Production, Inc.Jul 24, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,714
- total depth, ft
- 2
- permits on file
- Jul 24, 1991
- last permit issued
- Jan 7, 1992
- completed
- 82.5K
- cumulative oil, bbl
- 489K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 7, 1992
- 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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Thompson "B" O-6-11483 | Chapel Hill (Pettit) | Atlas Operating LLC | 4 | 82.5K | 489K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,054 · prior 12 974(+8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dallas Production, Inc.Jan 1993 → Feb 1996
- 2Dreyfus, Louis Natural Gas CorpMar 1996 → Nov 2001
- 3Dominion Oklahoma Texas E&P, IncDec 2001 → Jul 2003
- 4Samson Lone Star LPAug 2003 → Jun 2007
- 5Samson Lone Star, LLCJul 2007 → Apr 2013
- 6BRG Lone Star Ltd.May 2013 → Feb 2026
- 7Atlas Operating LLCMar 2026 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 390217-98 | Drill | Dallas Production, Inc. | Aug 30, 1991 | Jul 24, 1991 | Sep 15, 1991 | 8,700 |
| 390217-99 | Drill | Dallas Production, Inc. | Jul 24, 1991 | Jul 24, 1991 | — | 8,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 7, 1992 | Thompson B O-6-11483 | Chapel Hill (Pettit) | Atlas Operating LLC | Producing | 8,714 |
Formation tops
As filed on W-2/G-1. Subsea from 460 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rodessa | 7,588 | -7,128 |
| Jeames Lime | 8,026 | -7,566 |
| Pettit | 8,220 | -7,760 |
| Travis Peak | 8,438 | -7,978 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,264 | 8,272 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,411 | 12.25 | 1,270 S |
| 5.5 | 8,714 | 7.875 | 875 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 | Mar 24, 1992 | Jan 23, 1992 | Yes |
| 00 | Mar 17, 1992 | — | — |
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 42-423-31335 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-423-31335 → 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/42331335, documented in the API reference.