WELL · 42-439-31617 · DISTRICT 9
Mahaffey Unit #1H
Tarrant County · Newark East (Barnett Shale) field · Temp Abandoned · Horizontal
Mahaffey Unit #1H (API 42-439-31617) is a horizontal well in Tarrant County operated by Gas Tap Corp., completed January 3, 2008 and listed as temp abandoned on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 8, 2006, permitted to 7,500 ft.
It was permitted by Carrizo Oil & Gas, Inc. and has since transferred to Gas Tap Corp. on the wellbore schedule.
Completion filings report 4 formation tops, including Base Cretaceous (marker), Marble Falls, Barnett, Top Marble Shale.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Carrizo Oil & Gas, Inc.; the EWA schedule now lists a different operator.
Plano, TX · P-5 Y, filed Jul 4, 2026 · (972) 672-1612
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Gas Tap Corp. |
| Production reports | Carrizo Oil & Gas, Inc.through Dec 2008 |
| Latest permit | Carrizo Oil & Gas, Inc.May 8, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,500
- total depth, ft
- 2
- permits on file
- May 8, 2006
- last permit issued
- Jan 3, 2008
- completed
- 0
- cumulative oil, bbl
- 58.6K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 3, 2008
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Mahaffey Unit G-13-230427 | Newark, East (Barnett Shale) | Gas Tap Corp. | 1 | 0 | 58.6K | Oct 2006 – Jul 2026 |
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.
- 1Carrizo Oil & Gas, Inc.Mar 2008 → Dec 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 618802-98 | Drill | Carrizo Oil & Gas, Inc. | Jun 28, 2006 | May 8, 2006 | Jul 5, 2006 | 7,500 |
| 618802-99 | Drill | Carrizo Oil & Gas, Inc. | May 5, 2006 | May 8, 2006 | — | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-230427 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 654 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 650 | 4 |
| Marble FallsTOP MARBLE FALLS | 6,406 | -5,752 |
| BarnettTOP BARNETT SHALE | 6,790 | -6,136 |
| Top Marble Shale | 6,790 | -6,136 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,103 | 8,703 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 744 | 12.25 | 360 S |
| 5.5 | 8,817 | 8.75 | 920 S |
| 5.5 | 8,820 | 8.75 | 920 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 | Sep 24, 2008 | Apr 22, 2008 | — |
| 00 | Aug 11, 2008 | Nov 8, 2006 | Yes |
| 00 | Oct 30, 2007 | — | — |
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 42-439-31617 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-439-31617 → 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/43931617, documented in the API reference.