WELL · 42-103-34685 · DISTRICT 8
McElroy Ranch 44 #1
Crane County · McElroy (Wolfcamp) field · Vertical
Mcelroy Ranch 44 #1 (API 42-103-34685) is a plugged well in Crane County, plugged June 10, 2002, last operated by Cobra Oil & Gas Corporation.
The RRC has issued one drilling permit, issued April 21, 1999, permitted to 8,200 ft.
Completion filings report 6 formation tops, including Yates, Seven Rivers, Grayberg, Tubb.
Its lease has reported 6.28K barrels of oil and 3.14K mcf of gas since June 1999, last reporting in August 2002.
Operator of record
Wichita Falls, TX · P-5 Y, filed Dec 4, 2025 · 778 permits on file · (940) 720-2597
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cobra Oil & Gas Corporation |
| Production reports | Cobra Oil & Gas Corporationthrough Jun 2002 |
| Latest permit | Cobra Oil & Gas CorporationApr 21, 1999 |
- 8,200
- total depth, ft
- 1
- permits on file
- Apr 21, 1999
- last permit issued
- May 18, 1999
- completed
- 6.28K
- cumulative oil, bbl
- 3.14K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 1999 THROUGH Aug 2002
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 18, 1999
- Shut in
- —
- Plugged
- Jun 10, 2002
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 |
|---|---|---|---|---|---|---|
| McElroy Ranch 44 O-10-36140 | McElroy (Wolfcamp) | Cobra Oil & Gas Corporation | 1 | 6.28K | 3.14K | Jun 1999 – Aug 2002 |
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.
- 1Cobra Oil & Gas CorporationJun 1999 → Jun 2002
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 484000-99 | Drill | Cobra Oil & Gas Corporation | Apr 21, 1999 | Apr 21, 1999 | Apr 22, 1999 | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-36140 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,522 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,980 | 542 |
| Seven Rivers7 RIVERS | 2,110 | 412 |
| Grayberg | 2,964 | -442 |
| Tubb | 5,400 | -2,878 |
| Wolfcampdetrital | 7,273 | -4,751 |
| Cisco | 7,870 | -5,348 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,513 | 7,523 | Perforated |
| 7,572 | 7,582 | Perforated |
| 7,628 | 7,638 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 680 | 14.75 | 290 S |
| 8.625 | 3,397 | 11 | 1,140 S |
| — | 8,057 | 7.875 | 400 S |
| 4.5 | — | 7.875 | 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 | Dec 29, 1999 | Jun 15, 1999 | Yes |
| 00 | Dec 23, 1999 | — | — |
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 42-103-34685 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-103-34685 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/10334685, documented in the API reference.