WELL · 42-041-31563 · DISTRICT 3
Deerfield Unit #1G
Brazos County · Giddings (Austin Chalk-3) field · Horizontal · Sidetrack
Deerfield Unit #1G (API 42-041-31563) is a horizontal well in Brazos County operated by Sage Energy Company, completed January 13, 1992.
The RRC has issued 2 drilling permits (amended once) between 1991 and 1996, permitted to 10,850 ft.
Completion filings report 2 formation tops, including Pecan Gap, Austin Chalk.
Its 2 leases have reported 38.9K barrels of oil and 1.18M mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- San Antonio, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 10, 2025
- Permits on file
- 1,060
- Phone
- (210) 404-2828
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sage Energy Company |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Sage Energy CompanySep 16, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,850
- total depth, ft
- 3
- permits on file
- Sep 16, 1996
- last permit issued
- Jan 13, 1992
- completed
- 38.9K
- cumulative oil, bbl
- 1.18M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 13, 1992
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Deerfield -a- Unit G-3-161757 | Kurten (Georgetown) | Magnolia Oil & Gas Operating LLC | 1 | 0 | 892K | Nov 1996 – Jul 2026 |
| Deerfield Unit O-3-21368 | Giddings (Austin Chalk-3) | Sage Energy Company | 2 | 38.9K | 288K | Jan 1993 – Mar 1997 |
Gas, mcf lease total
Last 12 months 5,210 · prior 12 6,256(-17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Sage Energy CompanyJan 1993 → Aug 1997
- 2Union Pacific Resources CompanySep 1997 → Jan 2001
- 3Rme Petroleum CompanyFeb 2001 → Nov 2002
- 4Anadarko E&P Company LPDec 2002 → Jul 2007
- 5Enervest Operating, L.L.C.Aug 2007 → Jul 2018
- 6Magnolia Oil & Gas Operating LLCAug 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 452522-99 | Recompletion · sidetrack | Sage Energy Company | Sep 11, 1996 | Sep 16, 1996 | Sep 24, 1996 | 10,850 |
| 394772-98 | Drill | Sage Energy Company | Feb 14, 1992 | Dec 9, 1991 | — | 9,852 |
| 394772-99 | Drill | Sage Energy Company | Dec 6, 1991 | Dec 9, 1991 | Dec 10, 1991 | 9,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-161757 | — | — | — | — |
| — | — O-3-21368 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 310 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 8,435 | -8,125 |
| Austin Chalk | 9,335 | -9,025 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,377 | 12,809 | Perforated |
| 10,478 | 14,079 | Perforated |
| 10,479 | 14,989 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,755 | 14.75 | 960 S |
| 7.625 | 9,377 | 9.875 | 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 | Mar 10, 1997 | Jan 14, 1997 | Yes |
| 00 | Mar 4, 1997 | — | — |
| 00 | Mar 10, 1992 | Jan 21, 1992 | Yes |
| 00 | Feb 27, 1992 | — | — |
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 42-041-31563 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31563 → 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/04131563, documented in the API reference.