WELL · 42-041-31698 · DISTRICT 3
McGruder-Anderson Unit #1
Brazos County · Giddings (Austin Chalk Gas) field · Horizontal
Mcgruder-Anderson Unit #1 (API 42-041-31698) is a plugged horizontal well in Brazos County, plugged September 18, 2013, last operated by Williams Clayton Energy Inc..
The RRC has issued one drilling permit (amended once), issued December 4, 1992, permitted to 11,650 ft.
It was permitted by Williams, Clayton W., JR., Inc. and has since transferred to Williams Clayton Energy Inc. on the wellbore schedule.
Completion filings report 2 formation tops, including Austin Chalk, Buda.
Its 3 leases have reported 43.2K barrels of oil and 306K mcf of gas since March 1993, last reporting in November 2017. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Williams, Clayton W., Jr., Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Apr 11, 2017
- Permits on file
- 1,139
- Phone
- (281) 872-3100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Williams Clayton Energy Inc. |
| Production reports | Williams, Clayton Energy, Inc.through Sep 2013 |
| Latest permit | Williams, Clayton W., Jr., Inc.Dec 4, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,650
- total depth, ft
- 2
- permits on file
- Dec 4, 1992
- last permit issued
- Sep 1, 2010
- completed
- 43.2K
- cumulative oil, bbl
- 306K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 1993 THROUGH Nov 2017
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 1, 2010
- Shut in
- —
- Plugged
- Sep 18, 2013
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 3 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McGruder-Anderson Unit O-3-21933 | Giddings (Austin Chalk-3) | Williams, Clayton Energy, Inc. | 2 | 35.9K | 288K | Mar 1993 – Nov 2017 |
| McGruder-Anderson Unit G-3-258034 | Giddings (Austin Chalk, Gas) | Williams, Clayton Energy, Inc. | 1 | 0 | 3.6K | Sep 2010 – Aug 2014 |
| McGruder-Anderson Unit O-3-21934 | Giddings (Buda) | Williams, Clayton Energy, Inc. | 1 | 7.35K | 15K | Mar 1993 – Aug 1993 |
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.
- 1Williams, Clayton W., Jr., Inc.Mar 1993 → Apr 1993
- 2Williams, Clayton Energy, L.L.CMay 1993 → May 1993
- 3Williams, Clayton Energy, Inc.Jun 1993 → Sep 2013
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 406817-98 | Drill | Williams, Clayton W., Jr., Inc. | Feb 3, 1993 | Dec 4, 1992 | Dec 7, 1992 | 11,650 |
| 406817-99 | Drill | Williams, Clayton W., Jr., Inc. | Dec 4, 1992 | Dec 4, 1992 | — | 10,819 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-258034 | — | — | — | — |
| — | — O-3-21933 | — | — | — | — |
| — | — O-3-21933 | — | — | — | — |
| — | — O-3-21934 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 254 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 10,249 | -9,995 |
| Buda | 11,396 | -11,142 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,282 | 13,016 | Perforated |
| 10,282 | 13,016 | Open hole |
| 11,466 | 15,213 | Perforated |
| 11,466 | 15,213 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,930 | 14.75 | 1,280 S |
| 7.625 | 11,466 | 9.875 | 1,915 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 16, 2010 | Sep 29, 2010 | — |
| 00 | Jun 2, 1993 | May 18, 1993 | Yes |
| 00 | May 5, 1993 | Mar 19, 1993 | Yes |
| 00 | Apr 20, 1993 | Mar 19, 1993 | Yes |
| 00 | Apr 2, 1993 | — | Yes |
| 00 | Mar 26, 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 42-041-31698 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31698 → 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/04131698, documented in the API reference.