TEXAS · WELLS · ROBERTSON COUNTY · T-BAR-X/MARTIN LEASE · API 42-395-31191 · DISTRICT 05
T-Bar-X/Martin #4
Robertson County · Savell (Bossier Sand) field · Producing · Vertical
T-Bar-X/Martin #4 (API 42-395-31191) is a well in Robertson County operated by Diversified Production LLC, completed May 22, 2007 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 22, 2006, permitted to 15,020 ft.
It was permitted by Burlington Resources O & G CO LP and has since transferred to Diversified Production LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Pettit, Travis Peak, Knowles Lm, Bossier.
Its lease has reported 25 barrels of oil and 26.2M mcf of gas since May 2007, last reporting volume in April 2026.
Operator of record
Permitted by Burlington Resources O & G Co LP; the EWA schedule now lists a different operator.
- Based in
- Keithville, LA
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 25, 2026
- Permits on file
- 11
- Phone
- (318) 751-3917
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diversified Production LLC |
| Production reports | Diversified Production LLCthrough Apr 2026 |
| Latest permit | Burlington Resources O & G Co LPSep 22, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,020
- total depth, ft
- 1
- permits on file
- Sep 22, 2006
- last permit issued
- May 22, 2007
- completed
- 25
- cumulative oil, bbl
- 26.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2007 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 22, 2007
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 |
|---|---|---|---|---|---|---|
| T-Bar-X/Martin G-5-232217 | Savell (Bossier Sand) | Diversified Production LLC | 1 | 25 | 26.2M | May 2007 – Apr 2026 |
Gas, mcf lease total
Last 12 months 283,239 · prior 12 318,785(-11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Burlington Resources O & G Co LPJun 2007 → Dec 2015
- 2Tanos Exploration II, LLCJan 2016 → Jul 2021
- 3Diversified Production LLCAug 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 626397-99 | Drill | Burlington Resources O & G Co LP | Sep 21, 2006 | Sep 22, 2006 | Feb 14, 2007 | 15,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 22, 2007 | T-Bar-X/Martin G-5-232217 | Savell (Bossier Sand) | Diversified Production LLC | Producing | 15,020 |
Formation tops
As filed on W-2/G-1. Subsea from 462 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| PettitPETTET | 9,152 | -8,690 |
| Pettit | 9,152 | -8,690 |
| Travis Peak | 9,475 | -9,013 |
| Knowles LM | 12,767 | -12,305 |
| BossierLOWER BOSSIER | 14,399 | -13,937 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 14,420 | 14,426 | Perforated |
| 14,464 | 14,470 | Perforated |
| 14,532 | 14,539 | Perforated |
| 14,557 | 14,833 | Perforated |
| 14,557 | 15,562 | Perforated |
| 14,662 | 14,833 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,460 | 13.5 | 1,075 S |
| 7.625 | 12,985 | 9.875 | 670 S |
| 5 | 15,053 | 6 | 435 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 4, 2010 | Jul 30, 2009 | — |
| 00 | Jan 29, 2008 | Nov 14, 2007 | Yes |
| 00 | Jan 11, 2008 | — | — |
Well logs
3 logs loaded from the RRC's log index, the latest received May 27, 2010. Density, Neutron, Resistivity. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.
Open the RRC's log search for this well ↗| Logas described | Files | Intervalft, as filed | Datereceived | SizeMB |
|---|---|---|---|---|
| COMBINATION: RESISTIVITY/NEUTRON/DENSITY POROSITYSpans Knowles Lm, Bossier | TIFF | 13,778 to 15,063 | May 27, 2010run May 17, 2007 | 3.21 |
| COMBINATION: RESISTIVITY/NEUTRON/DENSITY POROSITYSpans Knowles Lm | TIFF | 12,985 to 13,772 | May 27, 2010run Apr 6, 2007 | 2.38 |
| COMBINATION: RESISTIVITY/NEUTRON/DENSITY POROSITYSpans Pettit, Travis Peak, Knowles Lm | TIFF | 2,460 to 12,985 | May 27, 2010run Mar 18, 2007 | 9.39 |
"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.
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 42-395-31191 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-395-31191 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
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/39531191, documented in the API reference.