WELL · 42-041-31797 · DISTRICT 3
Jr. Allen OL #1H
Brazos County · Giddings (Austin Chalk Gas) field · Horizontal
JR. Allen OL #1H (API 42-041-31797) is a horizontal well in Brazos County operated by Chesapeake Operating Inc., completed February 27, 1994.
The RRC has issued one drilling permit, issued December 17, 1993, permitted to 11,500 ft.
Completion filings report one formation top, including Austin Chalk.
Its 2 leases have reported 59.3K barrels of oil and 2.03M mcf of gas since February 1994, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Oklahoma City, OK · P-5 Y, filed Jul 4, 2026 · 13,061 permits on file · (405) 935-7500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chesapeake Operating Inc. |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Chesapeake Operating, Inc.Dec 17, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,500
- total depth, ft
- 1
- permits on file
- Dec 17, 1993
- last permit issued
- Feb 27, 1994
- completed
- 59.3K
- cumulative oil, bbl
- 2.03M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 1994 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 27, 1994
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Jr. Allen OL O-3-23971 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 1 | 59.3K | 421K | Mar 2001 – Jul 2026 |
| Jr. Allen OL G-3-149216 | Giddings (Austin Chalk, Gas) | Chesapeake Operating, Inc. | 1 | 0 | 1.61M | Feb 1994 – May 2001 |
Gas, mcf lease total
Last 12 months 7,827 · prior 12 9,250(-15%)
Oil, barrels lease total
Last 12 months 993 · prior 12 983(+1%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Feb 1994 → Jun 2009
- 2Enervest Operating, L.L.C.Jul 2009 → Jul 2018
- 3Magnolia Oil & Gas Operating LLCAug 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 419432-99 | Drill | Chesapeake Operating, Inc. | Dec 17, 1993 | Dec 17, 1993 | Jan 10, 1994 | 11,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-149216 | — | — | — | — |
| — | — O-3-23971 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 208 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 10,765 | -10,557 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,850 | 15,265 | Perforated |
| 10,925 | 13,846 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,019 | 14.75 | 1,211 S |
| 7.625 | 10,850 | 9.875 | 300 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 | Jun 11, 2001 | Mar 26, 2001 | — |
| 00 | Apr 11, 2001 | — | — |
| 00 | Jun 1, 1994 | Apr 26, 1994 | Yes |
| 00 | May 25, 1994 | — | — |
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 42-041-31797 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-041-31797 → 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/04131797, documented in the API reference.