WELL · 42-431-31848 · DISTRICT 8
Collins Claude Jr. Estate #1
Sterling County · China Draw (Ellenburger) field · Vertical
Collins Claude JR. Estate #1 (API 42-431-31848) is a plugged well in Sterling County, plugged February 12, 2007, last operated by Ladd Oil & Gas Corporation.
The RRC has issued one drilling permit, issued June 8, 1987, permitted to 8,500 ft.
It was permitted by Farmers Oil Company and has since transferred to Ladd Oil & Gas Corporation on the wellbore schedule.
Completion filings report 6 formation tops, including San Andres, Clear Fork, Wichita-Albany, Wolfcamp.
Its lease has reported 4.92K barrels of oil and 14 mcf of gas since January 1993, last reporting in March 2007.
Operator of record
Permitted by Farmers Oil Company; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Jun 10, 2022 · 39 permits on file · (432) 557-9640
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ladd Oil & Gas Corporation |
| Production reports | Ladd Oil & Gas Corporationthrough Jan 2005 |
| Latest permit | Farmers Oil CompanyJun 8, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 1
- permits on file
- Jun 8, 1987
- last permit issued
- Jul 29, 1987
- completed
- 4.92K
- cumulative oil, bbl
- 14
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2007
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 29, 1987
- Shut in
- —
- Plugged
- Feb 12, 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Collins, Claude Jr. Estate O-10-31354 | China Draw (Ellenburger) | Ladd Oil & Gas Corporation | 1 | 4.92K | 14 | Jan 1993 – Mar 2007 |
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.
- 1J. B. Roustabout Service Co,inc.Apr 1995 → Sep 2001
- 2Ladd Oil & Gas CorporationOct 2003 → Jan 2005
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 330901-99 | Drill | Farmers Oil Company | May 29, 1987 | Jun 8, 1987 | — | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-31354 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,463 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 1,059 | 1,404 |
| Clear ForkCLEARFORK | 1,818 | 645 |
| Wichita-AlbanyWICHITA ALBANY | 2,964 | -501 |
| Wolfcamp | 3,750 | -1,287 |
| Strawn | 7,716 | -5,253 |
| Ellenburger | 7,836 | -5,373 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,838 | 7,862 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 850 | 12.25 | 750 S |
| 5.5 | 8,100 | 7.875 | 1,475 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 | Sep 4, 1987 | Aug 19, 1987 | Yes |
| 00 | Aug 27, 1987 | — | — |
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 42-431-31848 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-431-31848 → 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/43131848, documented in the API reference.