WELL · 42-507-30975 · DISTRICT 1
White Carrol #1
Zavala County · Crooked Lake (Olmos) field · Vertical
White Carrol #1 (API 42-507-30975) is a plugged well in Zavala County, plugged December 5, 1991, last operated by Tubular-Wellhead Services Inc..
The RRC has issued one drilling permit, issued March 29, 1978, permitted to 3,200 ft.
It was permitted by Grelling Investments and has since transferred to Tubular-Wellhead Services Inc. on the wellbore schedule.
Operator of record
Tubular-Wellhead Services Inc.
Permitted by Grelling Investments; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Apr 16, 1987 · 6 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Tubular-Wellhead Services Inc. |
| Production reports | none |
| Latest permit | Grelling InvestmentsMar 29, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,200
- total depth, ft
- 1
- permits on file
- Mar 29, 1978
- last permit issued
- Apr 16, 1978
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 16, 1978
- Shut in
- —
- Plugged
- Dec 5, 1991
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 |
|---|---|---|---|---|---|---|
| — G-1-77757 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 20998-99 | Drill | Grelling Investments | Mar 29, 1978 | Mar 29, 1978 | — | 3,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-77757 | — | — | — | — |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 2.875 | 2,962 | 6.5 | 618 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 12, 1984 | May 11, 1978 | — |
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 42-507-30975 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-30975 → 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/50730975, documented in the API reference.