WELL · 42-485-42914 · DISTRICT 9
Cropper Unit #4
Wichita County · Wichita County Regular field · Vertical
Cropper Unit #4 (API 42-485-42914) is a plugged well in Wichita County, plugged May 3, 2007, last operated by Muller Oil & Gas.
The RRC has issued one drilling permit, issued January 14, 1994, permitted to 1,500 ft.
It was permitted by Cal-Tex Operating CO. and has since transferred to Muller Oil & Gas on the wellbore schedule.
Completion filings report 2 formation tops, including Gunsite Lime, Gunsite Sand.
Its lease has reported 9.43K barrels of oil and 58 mcf of gas since January 1993, last reporting in March 2008. The lease carries 49 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Cal-Tex Operating Co.; the EWA schedule now lists a different operator.
Wichita Falls, TX · P-5 Y, filed May 6, 2011
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Muller Oil & Gas |
| Production reports | Muller Oil & Gasthrough Feb 2001 |
| Latest permit | Cal-Tex Operating Co.Jan 14, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 1,500
- total depth, ft
- 1
- permits on file
- Jan 14, 1994
- last permit issued
- Jan 26, 1994
- completed
- 9.43K
- cumulative oil, bbl
- 58
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 26, 1994
- Shut in
- —
- Plugged
- May 3, 2007
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; they carry 49 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cropper Unit O-13-5307 | Wichita County Regular | Muller Oil & Gas | 49 | 9.43K | 58 | Jan 1993 – Mar 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.
- 1Cal-Tex Operating Co.Jan 1993 → Jan 1996
- 2Armour, Eulan B.Feb 1996 → Jul 1996
- 3Muller Oil & GasAug 1996 → Feb 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 420146-99 | Drill | Cal-Tex Operating Co. | Jan 13, 1994 | Jan 14, 1994 | Jan 19, 1994 | 1,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-5307 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,360 | 1,370 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 60 | 12.25 | 50 S |
| 4.5 | 1,380 | 7.875 | 130 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 | Mar 15, 1994 | Feb 18, 1994 | Yes |
| 00 | Mar 7, 1994 | — | — |
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 42-485-42914 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-485-42914 → 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/48542914, documented in the API reference.