TEXAS · WELLS · HARRISON COUNTY · CLARK LEASE · API 42-203-31773 · DISTRICT 06
Clark #4
Harrison County · Elysian N. (Cotton Valley) field · Vertical
Clark #4 (API 42-203-31773) is a plugged well in Harrison County, plugged December 30, 1994, last operated by Sonat Exploration Company -Tyler.
The RRC has issued one drilling permit, issued March 16, 1989, permitted to 10,000 ft.
It was permitted by Marshall Expl. Inc. and has since transferred to Sonat Exploration Company -Tyler on the wellbore schedule.
Completion filings report 6 formation tops, including T/Paluxy, T/Glen Rose, T/Massive Anhydrite, B/Massive Anhydrite.
Operator of record
Sonat Exploration Company -Tyler
Permitted by Marshall Expl. Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Jun 29, 1992
- Permits on file
- 655
- Phone
- (903) 561-3360
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sonat Exploration Company -Tyler |
| Production reports | Sonat Exploration Company -Tylerthrough Jan 1994 |
| Latest permit | Marshall Expl. Inc.Mar 16, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 1
- permits on file
- Mar 16, 1989
- last permit issued
- May 4, 1989
- completed
- 0
- cumulative oil, bbl
- 8.38K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 1994
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 4, 1989
- Shut in
- —
- Plugged
- Dec 30, 1994
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-6-130953 | Elysian, N. (Cotton Valley) | Sonat Exploration Company -Tyler | 1 | 0 | 8.38K | Jan 1993 – Dec 1994 |
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.
- 1Sonat Exploration Company -TylerJan 1993 → Jan 1994
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 357127-99 | Drill | Marshall Expl. Inc. | Mar 16, 1989 | Mar 16, 1989 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 4, 1989 | Clark G-6-130953 | Elysian N. (Cotton Valley) | Sonat Exploration Company -Tyler | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 386 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| T/Paluxy | 2,938 | -2,552 |
| T/Glen Rose | 3,277 | -2,891 |
| T/Massive Anhydrite | 4,761 | -4,375 |
| B/Massive Anhydrite | 5,008 | -4,622 |
| T/Pettit | 5,801 | -5,415 |
| T/Travis Peak | 6,114 | -5,728 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,120 | 8,130 | Perforated |
| 8,420 | 8,430 | Perforated |
| 9,484 | 9,670 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,526 | 12.25 | 625 S |
| 4.5 | 9,785 | 7.875 | 1,100 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 | Jun 23, 1989 | May 26, 1989 | Yes |
| 00 | Jun 17, 1989 | — | — |
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 42-203-31773 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-203-31773 → 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/20331773, documented in the API reference.