WELL · 42-423-30671 · DISTRICT 6
Clark Estate #1
Smith County · Chapel Hill NE. (Travis Peak) field · Vertical
Clark Estate #1 (API 42-423-30671) is a well in Smith County operated by Pitts Oil CO.-Dallas Prod. Inc., completed July 10, 1983.
The RRC has issued 2 drilling permits between 1983 and 2005, permitted to 8,700 ft.
It was permitted by Samson Lone Star LP and has since transferred to Pitts Oil CO.-Dallas Prod. Inc. on the wellbore schedule.
Completion filings report 10 formation tops, including Massive Anhydrite (marker), B. Massive Anhydrite, Rodessa, T. Rodessa.
Its 2 leases have reported 8.85K barrels of oil and 670K mcf of gas since January 1993, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Pitts Oil Co.-Dallas Prod. Inc.
Permitted by Samson Lone Star LP; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jun 3, 1992 · 160 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pitts Oil Co.-Dallas Prod. Inc. |
| Production reports | BRG Lone Star Ltd.through Mar 2019 |
| Latest permit | Samson Lone Star LPApr 14, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,700
- total depth, ft
- 2
- permits on file
- Apr 14, 2005
- last permit issued
- Jul 10, 1983
- completed
- 8.85K
- cumulative oil, bbl
- 670K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 10, 1983
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Clark Estate G-6-240166 | Chapel Hill (Pettit) | Formation Resour Field Svcs, LLC | 1 | 0 | 129K | Jul 2005 – Jul 2026 |
| Clark Estate O-6-11380 | Chapel Hill (Travis Peak) | Samson Lone Star, LLC | 1 | 8.85K | 542K | Jan 1993 – Oct 2008 |
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.
- 1Dallas Production, Inc.Jan 1993 → Feb 1996
- 2Dreyfus, Louis Natural Gas CorpMar 1996 → Nov 2001
- 3Dominion Oklahoma Texas E&P, IncDec 2001 → Jun 2003
- 4Samson Lone Star LPAug 2003 → Aug 2006
- 5Samson Lone Star, LLCSep 2006 → Oct 2012
- 6BRG Lone Star Ltd.May 2013 → Mar 2019
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 560504-99 | Recompletion | Samson Lone Star LP | Apr 14, 2005 | Apr 14, 2005 | Jun 8, 2005 | 8,240 |
| 190172-99 | Drill | Pitts Oil Co.-Dallas Prod. Inc. | Mar 19, 1984 | Mar 28, 1983 | — | 8,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-240166 | — | — | — | — |
| — | — O-6-11380 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 521 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Massive Anhydrite (marker)BASE MASSIVE ANHYDRITE | 7,390 | -6,869 |
| B. Massive Anhydrite | 7,390 | -6,869 |
| Rodessa | 7,400 | -6,879 |
| T. Rodessa | 7,400 | -6,879 |
| James LimeJAMES | 7,820 | -7,299 |
| T. James | 7,820 | -7,299 |
| Pettit | 8,010 | -7,489 |
| T. Pettit | 8,010 | -7,489 |
| Travis Peak | 8,202 | -7,681 |
| T. Travis Peak | 8,202 | -7,681 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,183 | 8,193 | Perforated |
| 8,252 | 8,250 | Perforated |
| 8,252 | 8,520 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,520 | 11 | 700 S |
| 2.375 | 8,200 | — | — |
| 5.5 | 8,710 | 7.875 | 950 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 | Oct 21, 2008 | Sep 23, 2008 | Yes |
| 00 | Oct 10, 2008 | — | — |
| 00 | Jun 13, 1984 | May 29, 1984 | — |
| 00 | Jun 8, 1984 | May 29, 1984 | — |
| 00 | Jan 12, 1984 | Jul 21, 1983 | — |
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 42-423-30671 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-423-30671 → 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/42330671, documented in the API reference.