WELL · 42-079-32560 · DISTRICT 8
Lasseter Unit #1
Cochran County · Mry (Fusselman) field · NO Production · Vertical
Lasseter Unit #1 (API 42-079-32560) is a well in Cochran County operated by Walking X Oil CO., completed May 16, 1991 and listed as no production on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued January 10, 1991, permitted to 10,000 ft.
It was permitted by Young, Marshall R., Oil Company and has since transferred to Walking X Oil CO. on the wellbore schedule.
Completion filings report 6 formation tops, including Yates, San Andres, Clear Fork, Pennsylvanian.
Its lease has reported 171K barrels of oil and 58.6K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Young, Marshall R., Oil Company; the EWA schedule now lists a different operator.
Whiteface, TX · P-5 Y, filed May 4, 2026 · 2 permits on file · (806) 789-2300
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Walking X Oil Co. |
| Production reports | Walking X Oil Co.through Mar 2016 |
| Latest permit | Young, Marshall R., Oil CompanyJan 10, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 2
- permits on file
- Jan 10, 1991
- last permit issued
- May 16, 1991
- completed
- 171K
- cumulative oil, bbl
- 58.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 16, 1991
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 |
|---|---|---|---|---|---|---|
| Lasseter Unit O-11-66696 | Mry (Fusselman) | Walking X Oil Co. | 1 | 171K | 58.6K | Jan 1993 – Jul 2026 |
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.
- 1Young, Marshall R., Oil Co.Jan 1993 → Nov 1998
- 2Walking X Oil Co.Dec 1998 → Mar 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 383091-98 | Drill | Young, Marshall R., Oil Company | Feb 26, 1991 | Jan 10, 1991 | Apr 6, 1991 | 10,000 |
| 383091-99 | Drill | Young, Marshall R., Oil Company | Jan 7, 1991 | Jan 10, 1991 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-66696 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,750 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,477 | 1,273 |
| San AndresSAN ANDRES POROSITY | 4,157 | -407 |
| Clear ForkCLEARFORK | 5,500 | -1,750 |
| PennsylvanianPENN | 8,154 | -4,404 |
| Strawn | 8,970 | -5,220 |
| Fusselman | 9,225 | -5,475 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,263 | 9,276 | Perforated |
| 9,285 | 9,290 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 447 | 17.5 | 470 S |
| 8.625 | 4,245 | 11 | 1,500 S |
| 5.5 | 9,445 | 7.875 | 550 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 3, 1991 | May 21, 1991 | Yes |
| 00 | May 28, 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 42-079-32560 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-079-32560 → 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/07932560, documented in the API reference.