WELL · 42-149-33066 · DISTRICT 3
Dopslauf Unit #1OL
Fayette County · Giddings (Austin Chalk Gas) field · Horizontal
Dopslauf Unit #1OL (API 42-149-33066) is a horizontal well in Fayette County operated by Swift Energy Company, completed December 7, 1997.
The RRC has issued one drilling permit, issued September 11, 1997, permitted to 14,500 ft.
Completion filings report 4 formation tops, including Wilcox, Midway, Pecan Gap, Austin Chalk.
Its 2 leases have reported 68.8K barrels of oil and 882K mcf of gas since December 1997, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Jul 7, 2006 · 719 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Swift Energy Company |
| Production reports | Magnolia Oil & Gas Operating LLCthrough Apr 2026 |
| Latest permit | Swift Energy CompanySep 11, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,500
- total depth, ft
- 1
- permits on file
- Sep 11, 1997
- last permit issued
- Dec 7, 1997
- completed
- 68.8K
- cumulative oil, bbl
- 882K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 7, 1997
- 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 |
|---|---|---|---|---|---|---|
| Dopslauf Unit O-3-23836 | Giddings (Austin Chalk-3) | Magnolia Oil & Gas Operating LLC | 1 | 68.8K | 314K | Apr 2000 – Jul 2026 |
| Dopslauf Unit G-3-166586 | Giddings (Austin Chalk, Gas) | Swift Energy Company | 1 | 0 | 568K | Dec 1997 – Aug 2000 |
Oil, barrels lease total
Last 12 months 685 · prior 12 528(+30%)
Gas, mcf lease total
Last 12 months 2,262 · prior 12 2,068(+9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Swift Energy CompanyDec 1997 → May 2004
- 2Chesapeake Operating, Inc.Jun 2004 → Jun 2009
- 3Enervest Operating, L.L.C.Jul 2009 → Jul 2018
- 4Magnolia Oil & Gas Operating LLCAug 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 467469-99 | Drill | Swift Energy Company | Sep 11, 1997 | Sep 11, 1997 | Sep 13, 1997 | 14,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-166586 | — | — | — | — |
| — | — O-3-23836 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 250 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 4,410 | -4,160 |
| Midway | 8,620 | -8,370 |
| Pecan Gap | 10,960 | -10,710 |
| Austin Chalk | 11,470 | -11,220 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,503 | 15,859 | Perforated |
| 11,503 | 16,139 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,587 | 14.75 | 1,535 S |
| 7.625 | 11,503 | 9.875 | 675 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 | Jul 19, 2000 | May 11, 2000 | — |
| 00 | Jun 19, 2000 | — | — |
| 00 | Mar 2, 1998 | Jan 23, 1998 | Yes |
| 00 | Feb 25, 1998 | — | — |
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 42-149-33066 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-149-33066 → 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/14933066, documented in the API reference.