WELL · 42-221-31467 · DISTRICT 9
Colonel Flagg Unit #4H
Hood County · Newark East (Barnett Shale) field · Horizontal
Colonel Flagg Unit #4H (API 42-221-31467) is a horizontal well in Hood County operated by Quicksilver Resources Inc., completed February 25, 2008.
The RRC has issued one drilling permit, issued August 27, 2007, permitted to 9,000 ft.
Completion filings report 2 formation tops, including Marble Falls, Barnett.
No lease production has been reported under this well’s leases.
Operator of record
Fort Worth, TX · P-5 Delinquent, filed Feb 8, 2016 · 1,778 permits on file · (817) 665-5572
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Quicksilver Resources Inc. |
| Production reports | Diversified Production LLCthrough Feb 2026 |
| Latest permit | Quicksilver Resources Inc.Aug 27, 2007 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 1
- permits on file
- Aug 27, 2007
- last permit issued
- Feb 25, 2008
- completed
- 0
- cumulative oil, bbl
- 733K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 25, 2008
- 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 |
|---|---|---|---|---|---|---|
| Colonel Flagg Unit G-13-240019 | Newark, East (Barnett Shale) | Diversified Production LLC | 1 | 0 | 731K | Jun 2007 – Jul 2026 |
| Colonel Flagg Unit G-13-240562 | Newark, East (Barnett Shale) | Quicksilver Resources Inc. | 1 | 0 | 2.16K | Feb 2008 – Mar 2008 |
Gas, mcf lease total
Last 12 months 2,271 · prior 12 4,384(-48%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Quicksilver Resources Inc.Mar 2008 → Apr 2015
- 2Barnett Shale Operating LLCFeb 2012 → Apr 2012
- 3Bluestone Natural Res. II, LLCMay 2016 → Dec 2019
- 4Blackbeard Operating, LLCJan 2020 → May 2021
- 5Diversified Production LLCAug 2021 → Feb 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 645004-99 | Drill | Quicksilver Resources Inc. | Aug 24, 2007 | Aug 27, 2007 | Oct 15, 2007 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-13-240019 | — | — | — | — |
| — | — G-13-240562 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 719 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Marble Falls | 5,020 | -4,301 |
| BarnettBARNETT SHALE | 5,717 | -4,998 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,021 | 9,170 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 738 | 12.25 | 265 S |
| 5.5 | 9,247 | 8.75 | 755 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 | Oct 31, 2008 | Jul 7, 2008 | — |
| 00 | Oct 21, 2008 | May 7, 2008 | Yes |
| 00 | Oct 15, 2008 | — | — |
| 00 | Oct 9, 2008 | — | — |
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 42-221-31467 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-221-31467 → 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/22131467, documented in the API reference.