TEXAS · WELLS · FRIO COUNTY · MCCLANAHAN LEASE · API 42-163-32672 · DISTRICT 01
McClanahan #1
Frio County · Pearsall (Austin Chalk) field · Horizontal · Sidetrack
Mcclanahan #1 (API 42-163-32672) is a plugged horizontal well in Frio County, plugged December 12, 1996, last operated by Union Pacific Resources Company.
The RRC has issued 2 drilling permits (amended once) between 1990 and 1993, permitted to 14,000 ft.
Completion filings report 2 formation tops, including Anacacho, Austin Chalk.
Its lease has reported 8.21K barrels of oil and 17 mcf of gas since January 1993, last reporting in June 1997.
Operator of record
Union Pacific Resources Company
- Based in
- Fort Worth, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- May 2, 2000
- Permits on file
- 5,638
- Phone
- (817) 321-7424
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Union Pacific Resources Company |
| Production reports | Union Pacific Resources Companythrough Jan 1996 |
| Latest permit | Union Pacific Resources CompanyApr 15, 1993 |
- 14,000
- total depth, ft
- 3
- permits on file
- Apr 15, 1993
- last permit issued
- May 11, 1993
- completed
- 8.21K
- cumulative oil, bbl
- 17
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 1997
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 11, 1993
- Shut in
- —
- Plugged
- Dec 12, 1996
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 |
|---|---|---|---|---|---|---|
| McClanahan O-1-12663 | Pearsall (Austin Chalk) | Union Pacific Resources Company | 1 | 8.21K | 17 | Jan 1993 – Jun 1997 |
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.
- 1Union Pacific Resources CompanyMay 1993 → Jan 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 410735-99 | Recompletion · sidetrack | Union Pacific Resources Company | Apr 14, 1993 | Apr 15, 1993 | Apr 19, 1993 | 14,000 |
| 371014-98 | Drill | Williams, Clayton W., Jr., Inc. | Mar 30, 1990 | Mar 15, 1990 | May 17, 1990 | 7,500 |
| 371014-99 | Drill | Williams, Clayton W., Jr., Inc. | Mar 15, 1990 | Mar 15, 1990 | — | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 11, 1993 | McClanahan O-1-12663 | Pearsall (Austin Chalk) | Union Pacific Resources Company | Plugged | — |
| May 11, 1993 | McClanahan O-1-12663 | Pearsall (Austin Chalk) | Union Pacific Resources Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 25 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 6,686 | -6,661 |
| Anacacho | 6,795 | -6,770 |
| Austin Chalk | 7,039 | -7,014 |
| Austin Chalk | 7,098 | -7,073 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,098 | 10,750 | Perforated |
| 7,099 | 10,750 | Perforated |
| 7,150 | 11,359 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 763 | 14.75 | 555 S |
| 10.75 | 770 | — | 555 S |
| 7.625 | 3,826 | — | 955 S |
| 7.625 | 7,098 | 9.875 | 200 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 | Jul 2, 1993 | Jun 7, 1993 | Yes |
| 00 | Nov 5, 1990 | Jul 16, 1990 | Yes |
| 00 | Oct 18, 1990 | — | — |
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 42-163-32672 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-32672 → 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/16332672, documented in the API reference.