TEXAS · WELLS · EASTLAND COUNTY · EARNEST (LAKE SAND) UNIT LEASE · API 42-133-36388 · DISTRICT 6E
Earnest (Lake Sand) Unit #4
Eastland County · Ranger (Black Lime West) field · Vertical
Earnest (Lake Sand) Unit #4 (API 42-133-36388) is a plugged well in Eastland County, plugged December 29, 2022, last operated by Eastland Operating L.L.C..
The RRC has issued one drilling permit, issued March 5, 1985, permitted to 3,900 ft.
It was permitted by Ridge Oil Company and has since transferred to Eastland Operating L.L.C. on the wellbore schedule.
Completion filings report one formation top, including Marble Falls.
Operator of record
Permitted by Ridge Oil Company; the EWA schedule now lists a different operator.
- Based in
- Ranger, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 11, 2026
- Permits on file
- 3
- Phone
- (254) 647-5181
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Ridge Oil Company |
| Production reports | Eastland Operating, L.L.C.through Feb 2009 |
| Latest permit | Ridge Oil CompanyMar 5, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,900
- total depth, ft
- 1
- permits on file
- Mar 5, 1985
- last permit issued
- May 14, 1985
- completed
- 0
- cumulative oil, bbl
- 21.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 14, 1985
- Shut in
- —
- Plugged
- Dec 29, 2022
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 |
|---|---|---|---|---|---|---|
| Earnest (Lake Sand) Unit G-8-118744 | Ranger (Black Lime West) | Eastland Operating, L.L.C. | 1 | 0 | 21.9K | Jan 1993 – Dec 2022 |
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.
- 1Mustang Oil & Gas CorporationJan 1993 → Jun 1998
- 2Gruy Petroleum Management Co.Jul 1998 → Jan 1999
- 3R & B Energy Co.Feb 1999 → Nov 1999
- 4Eastland Operating, L.L.C.Dec 1999 → Feb 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 268810-99 | Drill | Ridge Oil Company | Mar 4, 1985 | Mar 5, 1985 | — | 3,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 14, 1985 | Longmire O-8-19868 | Ranger (Black Lime West) | Ridge Oil Company | Plugged | — |
| May 14, 1985 | Earnest (Lake Sand) Unit G-8-118744 | Ranger (Black Lime West) | Eastland Operating L.L.C. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,573 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Marble Falls | 3,404 | -1,831 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,404 | 3,520 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 215 | 12.25 | 150 S |
| 4.5 | 3,805 | 7.875 | 110 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 | Jun 10, 1991 | Apr 24, 1991 | — |
| 00 | Feb 4, 1986 | Jan 22, 1986 | — |
| 00 | Nov 26, 1985 | Oct 30, 1985 | — |
| 00 | Nov 19, 1985 | — | — |
| 00 | Jun 13, 1985 | May 21, 1985 | — |
| 00 | Jun 5, 1985 | — | — |
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 42-133-36388 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-133-36388 → 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/13336388, documented in the API reference.