TEXAS · WELLS · AUSTIN COUNTY · DIERKING UNIT LEASE · API 42-015-30729 · DISTRICT 03
Dierking Unit #1
Austin County · Giddings (Austin Chalk-3) field · Producing · Horizontal
- Fields on the latest permit · any of 2
- Giddings (Austin Chalk-3) · Giddings (Austin Chalk, Gas)
- Not one formation; the well must be completed in one of them, and no target formation is stated.
Dierking Unit #1 (API 42-015-30729) is a horizontal well in Austin County operated by Magnolia Oil & Gas Operating LLC, completed May 29, 1999 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued February 11, 1999, permitted to 14,598 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Magnolia Oil & Gas Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Pecan Gap.
Its lease has reported 453 barrels of oil and 33.1M mcf of gas since May 1999, last reporting volume in April 2026.
Operator of record
Magnolia Oil & Gas Operating LLC
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 6, 2026
- Permits on file
- 617
- Phone
- (713) 842-9050
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Magnolia Oil & Gas Operating LLC |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Union Pacific Resources CompanyFeb 11, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,598
- total depth, ft
- 2
- permits on file
- Feb 11, 1999
- last permit issued
- May 29, 1999
- completed
- 453
- cumulative oil, bbl
- 33.1M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1999 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 29, 1999
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| Dierking Unit G-3-174174 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 1 | 453 | 33.1M | May 1999 – Apr 2026 |
Gas, mcf lease total
Last 12 months 124,868 · prior 12 153,262(-19%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Pacific Resources CompanyMay 1999 → Jan 2001
- 2Rme Petroleum CompanyMar 2001 → Nov 2002
- 3Anadarko E&P Company LPDec 2002 → Jul 2007
- 4Enervest Operating, L.L.C.Aug 2007 → Jul 2018
- 5Magnolia Oil & Gas Operating LLCAug 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 482645-98 | Drill | Union Pacific Resources Company | Aug 10, 1999 | Feb 11, 1999 | Feb 20, 1999 | 19,100 |
| 482645-99 | Drill | Union Pacific Resources Company | Feb 11, 1999 | Feb 11, 1999 | — | 16,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 29, 1999 | Dierking Unit G-3-174174 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | Producing | 14,598 |
Formation tops
As filed on W-2/G-1. Subsea from 275 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Pecan Gap | 14,000 | -13,725 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 14,600 | 17,157 | Perforated |
| 15,079 | 18,796 | Perforated |
| 16,723 | 19,081 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,770 | 17.5 | 1,500 S |
| 9.625 | 12,299 | 12.25 | 650 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Sep 29, 1999 | Jun 24, 1999 | Yes |
| 00 | Sep 22, 1999 | — | — |
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 42-015-30729 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-015-30729 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/01530729, documented in the API reference.