TEXAS · WELLS · WASHINGTON COUNTY · API 42-477-30861 · DISTRICT 03
Hahn Unit #1RE
Washington County · Giddings (Austin Chalk Gas) field · Horizontal
Hahn Unit #1RE (API 42-477-30861) is a plugged horizontal well in Washington County, plugged May 11, 2023, last operated by Crawford Hughes Operating CO..
The RRC has issued 2 drilling permits (amended 3 times) between 1998 and 2006, permitted to 16,500 ft.
It was permitted by Anadarko E&P Company LP and has since transferred to Crawford Hughes Operating CO. on the wellbore schedule.
Completion filings report 4 formation tops, including Wilcox, Navarro, Austin Chalk, Lower Cretaceous.
Operator of record
Permitted by Anadarko E&P Company LP; the EWA schedule now lists a different operator.
- Based in
- The Woodlands, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 1, 2025
- Permits on file
- 18
- Phone
- (713) 626-2637
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Crawford Hughes Operating Co.through Feb 2023 |
| Latest permit | Anadarko E&P Company LPMar 31, 2006 |
- 16,500
- total depth, ft
- 5
- permits on file
- Mar 31, 2006
- last permit issued
- Aug 5, 2006
- completed
- 0
- cumulative oil, bbl
- 808K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1998 THROUGH Jan 2024
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 5, 2006
- Shut in
- —
- Plugged
- May 11, 2023
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 |
|---|---|---|---|---|---|---|
| Hahn Unit G-3-169856 | Giddings (Austin Chalk, Gas) | Crawford Hughes Operating Co. | 1 | 0 | 737K | Jul 1998 – Jan 2024 |
| Hahn Unit G-3-169855 | Navasota River (Cretaceous Lwr.) | Southwest Resources, Inc. | 1 | 0 | 70.9K | Jul 1998 – May 2023 |
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.
- 1Union Pacific Resources CompanyJul 1998 → Apr 2000
- 2Anadarko E&P Company LPAug 2006 → Jul 2007
- 3Enervest Operating, L.L.C.Aug 2007 → Apr 2016
- 4Crawford Hughes Operating Co.May 2016 → Feb 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 616746-98 | Recompletion | Anadarko E&P Company LP | Dec 14, 2006 | Mar 31, 2006 | Jun 3, 2006 | 12,500 |
| 616746-99 | Recompletion | Anadarko E&P Company LP | Mar 30, 2006 | Mar 31, 2006 | — | 12,500 |
| 474732-97 | Drill | Union Pacific Resources Company | Jun 17, 1998 | Mar 27, 1998 | — | 12,800 |
| 474732-98 | Drill | Union Pacific Resources Company | Apr 1, 1998 | Mar 27, 1998 | Apr 18, 1998 | 12,800 |
| 474732-99 | Drill | Union Pacific Resources Company | Mar 25, 1998 | Mar 27, 1998 | — | 16,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 5, 2006 | Hahn Unit G-3-169856 | Giddings (Austin Chalk Gas) | Crawford Hughes Operating Co. | Plugged | — |
| Jul 11, 1998 | Hahn Unit G-3-169855 | Navasota River (Cretaceous Lwr.) | Southwest Resources Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 195 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 3,850 | -3,655 |
| Navarro | 9,030 | -8,835 |
| Austin Chalk | 11,670 | -11,475 |
| Lower Cretaceous | 12,300 | -12,105 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,723 | 11,882 | Perforated |
| 11,735 | 13,275 | Perforated |
| 11,743 | 13,347 | Perforated |
| 11,757 | 11,917 | Perforated |
| 11,760 | 13,590 | Perforated |
| 12,280 | 13,482 | Perforated |
| 12,394 | 15,895 | Perforated |
| 12,670 | 16,143 | Perforated |
| 12,711 | 13,888 | Perforated |
| 12,750 | 2 | Perforated |
| 12,750 | 13,489 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 3,550 | 14.75 | 1,580 S |
| 7.625 | 12,394 | 9.625 | 495 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 | Apr 30, 2007 | Dec 4, 2006 | Yes |
| 00 | Jul 1, 1999 | Mar 31, 1999 | — |
| 00 | Oct 6, 1998 | Sep 9, 1998 | — |
| 00 | Oct 6, 1998 | Aug 12, 1998 | Yes |
| 00 | Sep 23, 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 42-477-30861 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-477-30861 → 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/47730861, documented in the API reference.