WELL · 42-121-31671 · DISTRICT 9
Anderson B Unit #4
Denton County · Newark East (Barnett Shale) field · Vertical
Anderson B Unit #4 (API 42-121-31671) is a plugged well in Denton County, plugged June 11, 2026, last operated by Lime Rock Resources IV-A L.P..
The RRC has issued one drilling permit, issued September 19, 2002, permitted to 8,850 ft.
It was permitted by Dallas Production, Inc. and has since transferred to Lime Rock Resources IV-A L.P. on the wellbore schedule.
Completion filings report 6 formation tops, including Bend, Marble Falls, Barnett, Forestburg.
Operator of record
Permitted by Dallas Production, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 18, 2025
- Permits on file
- 117
- Phone
- (713) 292-9510
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Lime Rock Resources IV-a L.P. |
| Production reports | Lime Rock Resources IV-a, L.P.through Mar 2026 |
| Latest permit | Dallas Production, Inc.Sep 19, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,850
- total depth, ft
- 1
- permits on file
- Sep 19, 2002
- last permit issued
- Nov 15, 2002
- completed
- 0
- cumulative oil, bbl
- 682K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2002 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 15, 2002
- Shut in
- —
- Plugged
- Jun 11, 2026
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 |
|---|---|---|---|---|---|---|
| Anderson "B" Unit G-13-191912 | Newark, East (Barnett Shale) | Lime Rock Resources IV-a, L.P. | 1 | 0 | 682K | Oct 2002 – Jul 2026 |
Gas, mcf lease total
Last 12 months 12 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Burlington Resources O & G Co LPNov 2002 → Oct 2018
- 2Lime Rock Resources IV-a, L.P.Nov 2018 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 523837-99 | Drill | Dallas Production, Inc. | Sep 19, 2002 | Sep 19, 2002 | Oct 14, 2002 | 8,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 15, 2002 | Anderson B Unit G-13-191912 | Newark East (Barnett Shale) | Lime Rock Resources IV-a L.P. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 740 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| BendBEND CONGL | 6,471 | -5,731 |
| BendBEND CONGLOMERATE | 6,471 | -5,731 |
| Marble Falls | 7,516 | -6,776 |
| BarnettUPPER BARNETT | 7,852 | -7,112 |
| Forestburg | 7,920 | -7,180 |
| BarnettLOWER BARNETT | 8,155 | -7,415 |
| LWR Barnett | 8,155 | -7,415 |
| Viola | 8,617 | -7,877 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,848 | 7,920 | Perforated |
| 7,920 | 7,848 | Perforated |
| 8,154 | 8,580 | Perforated |
| 8,580 | 8,154 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,086 | 12.25 | 520 S |
| 5.5 | 8,678 | 7.875 | 230 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 | May 21, 2003 | Apr 4, 2003 | — |
| 00 | Apr 28, 2003 | Feb 10, 2003 | — |
| 00 | Feb 24, 2003 | Dec 3, 2002 | Yes |
| 00 | Jan 2, 2003 | — | — |
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 42-121-31671 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-121-31671 → 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/12131671, documented in the API reference.