TEXAS · WELLS · PANOLA COUNTY · CHADWICK UNIT LEASE · API 42-365-31400 · DISTRICT 06
Chadwick Unit #4
Panola County · Carthage (Cotton Valley) field · Producing · Vertical
Chadwick Unit #4 (API 42-365-31400) is a well in Panola County operated by Diversified Production LLC, completed March 24, 1982 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 11, 1981, permitted to 9,540 ft.
It was permitted by Pennzoil Producing CO. and has since transferred to Diversified Production LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Glen Rose, Massive Anhydrite (marker), James Lime, Pettit.
Its lease has reported 13.4K barrels of oil and 1.72M mcf of gas since January 1993, last reporting volume in April 2026.
Operator of record
Permitted by Pennzoil Producing Co.; the EWA schedule now lists a different operator.
- Based in
- Keithville, LA
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 25, 2026
- Permits on file
- 11
- Phone
- (318) 751-3917
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diversified Production LLC |
| Production reports | Diversified Production LLCthrough Apr 2026 |
| Latest permit | Pennzoil Producing Co.Dec 11, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,540
- total depth, ft
- 1
- permits on file
- Dec 11, 1981
- last permit issued
- Mar 24, 1982
- completed
- 13.4K
- cumulative oil, bbl
- 1.72M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 24, 1982
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chadwick Unit G-6-98673 | Carthage (Cotton Valley) | Diversified Production LLC | 1 | 13.4K | 1.72M | Jan 1993 – Apr 2026 |
Gas, mcf lease total
Last 12 months 24,303 · prior 12 25,857(-6%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pennzoil Exploration & Prod. Co.Jan 1993 → Feb 1999
- 2Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
- 3Devon Energy Production Co, L.P.Apr 2000 → Jun 2016
- 4Sheridan Production Company, LLCJul 2016 → Dec 2019
- 5Sheridan Production Co III, LLCJan 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 143836-99 | Drill | Pennzoil Producing Co. | Dec 11, 1981 | Dec 11, 1981 | Dec 27, 1981 | 9,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 24, 1982 | Chadwick Unit G-6-98673 | Carthage (Cotton Valley) | Diversified Production LLC | Producing | 9,540 |
Formation tops
As filed on W-2/G-1. Subsea from 291 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Glen RoseTOP GLEN ROSE | 3,348 | -3,057 |
| Massive Anhydrite (marker)BASE MASSIVE ANHYDRITE | 5,010 | -4,719 |
| James LimeTOP JAMES | 5,492 | -5,201 |
| PettitTOP PETTIT | 5,750 | -5,459 |
| Travis PeakTOP TRAVIS PEAK | 6,116 | -5,825 |
| Cotton Valley | 8,332 | -8,041 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,393 | 8,534 | Perforated |
| 8,677 | 8,860 | Perforated |
| 9,052 | 9,128 | Perforated |
| 9,439 | 9,456 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,475 | 12.25 | 1,300 sx |
| 2.875 | 8,320 | — | — |
| 5.5 | 9,540 | 8.75 | 1,325 sx |
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 | Aug 9, 1984 | Jul 24, 1984 | — |
| 00 | Jan 12, 1984 | Jul 24, 1984 | Yes |
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 42-365-31400 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-365-31400 → 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/36531400, documented in the API reference.