WELL · 42-041-31645 · DISTRICT 3
Shaughnessy-McFarlane Unit #1
Brazos County · Giddings (Austin Chalk Gas) field · Horizontal
Shaughnessy-Mcfarlane Unit #1 (API 42-041-31645) is a plugged horizontal well in Brazos County, plugged November 3, 2020, last operated by Crawford Hughes Operating CO..
The RRC has issued one drilling permit, issued June 8, 1992, permitted to 14,600 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Crawford Hughes Operating CO. on the wellbore schedule.
Completion filings report 4 formation tops, including Midway, Navarro, Pecan Gap, Austin Chalk.
Operator of record
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
The Woodlands, TX · P-5 Active, filed Jul 1, 2025 · 18 permits on file · (713) 626-2637
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Crawford Hughes Operating Co. |
| Production reports | Crawford Hughes Operating Co.through Nov 2020 |
| Latest permit | Union Pacific Resources CompanyJun 8, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,600
- total depth, ft
- 1
- permits on file
- Jun 8, 1992
- last permit issued
- Oct 14, 1992
- completed
- 0
- cumulative oil, bbl
- 3.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2021
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 14, 1992
- Shut in
- —
- Plugged
- Nov 3, 2020
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 |
|---|---|---|---|---|---|---|
| Shaughnessy-McFarlane Unit G-3-143336 | Giddings (Austin Chalk, Gas) | Crawford Hughes Operating Co. | 1 | 0 | 3.3M | Jan 1993 – Aug 2021 |
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 CompanyJan 1993 → Jan 2001
- 2Rme Petroleum CompanyFeb 2001 → Nov 2002
- 3Anadarko E&P Company LPDec 2002 → Jul 2007
- 4Enervest Operating, L.L.C.Aug 2007 → Oct 2015
- 5Crawford Hughes Operating Co.Nov 2020 → Nov 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 399915-99 | Drill | Union Pacific Resources Company | Jun 3, 1992 | Jun 8, 1992 | Aug 25, 1992 | 14,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-143336 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 290 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 7,727 | -7,437 |
| Navarro | 8,708 | -8,418 |
| Pecan Gap | 10,837 | -10,547 |
| Austin Chalk | 11,424 | -11,134 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,586 | 15,673 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,014 | 14.75 | 1,410 S |
| 7.625 | 11,586 | 9.875 | 310 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 14, 1993 | Dec 1, 1992 | Yes |
| 00 | Jan 5, 1993 | — | — |
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 42-041-31645 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31645 → 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/04131645, documented in the API reference.