WELL · 42-059-36173 · DISTRICT 7
Chatham William #4
Callahan County · Grand Old Oplin (Gray) field · Vertical
Chatham William #4 (API 42-059-36173) is a plugged well in Callahan County, plugged January 27, 1999, last operated by Conquistador Petroleum Inc..
The RRC has issued one drilling permit, issued June 24, 1991, permitted to 4,990 ft.
Completion filings report one formation top, including Gray Sand.
Its lease has reported 1.1K barrels of oil and 20 mcf of gas since January 1993, last reporting in April 1999.
Operator of record
Coleman, TX · P-5 Y, filed Jul 8, 2011 · 52 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Conquistador Petroleum Inc. |
| Production reports | Conquistador Petroleum,inc.through Jan 1999 |
| Latest permit | Conquistador Petroleum,inc.Jun 24, 1991 |
- 4,990
- total depth, ft
- 1
- permits on file
- Jun 24, 1991
- last permit issued
- Nov 26, 1991
- completed
- 1.1K
- cumulative oil, bbl
- 20
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 1999
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 26, 1991
- Shut in
- —
- Plugged
- Jan 27, 1999
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 |
|---|---|---|---|---|---|---|
| Chatham, William O-8-26387 | Grand Old Oplin (Gray) | Conquistador Petroleum,inc. | 1 | 1.1K | 20 | Jan 1993 – Apr 1999 |
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.
- 1Conquistador Petroleum,inc.Jan 1993 → Jan 1999
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 388928-99 | Drill | Conquistador Petroleum,inc. | Jun 13, 1991 | Jun 24, 1991 | Jun 25, 1991 | 4,990 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-26387 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,928 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Gray Sand | 3,698 | -1,770 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,698 | 3,708 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 100 | 12.25 | 70 S |
| 5.5 | 3,790 | 7.875 | 150 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 | Jan 21, 1992 | Dec 4, 1991 | Yes |
| 00 | Dec 18, 1991 | — | — |
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 42-059-36173 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-059-36173 → 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/05936173, documented in the API reference.