TEXAS · WELLS · HARRISON COUNTY · CLARK LEASE · API 42-203-31659 · DISTRICT 06
Clark #1
Harrison County · Waskom (Cotton Valley) field · Producing · Vertical
Clark #1 (API 42-203-31659) is a well in Harrison County operated by Brookston Energy Inc., completed March 2, 1988 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued October 7, 1987, permitted to 9,750 ft.
It was permitted by Marshall Expl. Inc. and has since transferred to Brookston Energy Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including B/Austin Chalk, T/Massive Anhydrite, T/Pettit, T/Travis Peak.
Its lease has reported 12.6K barrels of oil and 438K mcf of gas since January 1993, last reporting volume in April 2026.
Operator of record
Permitted by Marshall Expl. Inc.; the EWA schedule now lists a different operator.
- Based in
- Tyler, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 5, 2025
- Permits on file
- 46
- Phone
- (903) 405-1901
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Brookston Energy Inc. |
| Production reports | Brookston Energy, Inc.through Apr 2026 |
| Latest permit | Marshall Expl. Inc.Oct 7, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,750
- total depth, ft
- 3
- permits on file
- Oct 7, 1987
- last permit issued
- Mar 2, 1988
- completed
- 12.6K
- cumulative oil, bbl
- 438K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 2, 1988
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 |
|---|---|---|---|---|---|---|
| Clark G-6-126810 | Waskom (Cotton Valley) | Brookston Energy, Inc. | 1 | 12.6K | 438K | Jan 1993 – Apr 2026 |
Gas, mcf lease total
Last 12 months 8,471 · prior 12 6,072(+40%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Sonat Exploration Company -TylerJan 1993 → Jul 1995
- 2Comstock Oil & Gas, Inc.Aug 1995 → Oct 2004
- 3Comstock Oil & Gas, LPNov 2004 → Aug 2019
- 4Comstock Oil & Gas, LLCSep 2019 → Aug 2025
- 5Brookston Energy, Inc.Oct 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 336996-97 | Drill | Marshall Expl. Inc. | Mar 28, 1988 | Oct 7, 1987 | — | 9,750 |
| 336996-98 | Drill | Marshall Expl. Inc. | Dec 28, 1987 | Oct 7, 1987 | — | 9,800 |
| 336996-99 | Drill | Marshall Expl. Inc. | Oct 6, 1987 | Oct 7, 1987 | — | 8,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 2, 1988 | Clark G-6-126810 | Waskom (Cotton Valley) | Brookston Energy Inc. | Producing | 9,750 |
Formation tops
As filed on W-2/G-1. Subsea from 385 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| B/Austin Chalk | 2,502 | -2,117 |
| T/Massive Anhydrite | 4,702 | -4,317 |
| T/Massive Anhydrite | 4,957 | -4,572 |
| T/Pettit | 5,750 | -5,365 |
| T/Travis Peak | 6,074 | -5,689 |
| B/B Lime | 8,312 | -7,927 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,450 | 9,501 | Perforated |
| 9,507 | 9,646 | Perforated |
| 9,658 | 9,661 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,595 | 12.25 | 800 S |
| 4.5 | 9,750 | 8.75 | 1,450 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 | Apr 11, 1988 | Mar 25, 1988 | Yes |
| 00 | Apr 8, 1988 | — | — |
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 42-203-31659 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-203-31659 → 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/20331659, documented in the API reference.