TEXAS · WELLS · MARTIN COUNTY · TARZAN "A" CALLAWAY LEASE · API 42-317-34187 · DISTRICT 7B
Tarzan a Callaway #3407
Martin County · Spraberry (Trend Area) field · Vertical
Tarzan A Callaway #3407 (API 42-317-34187) is a plugged well in Martin County, plugged January 8, 2026, last operated by Diamondback E&P LLC.
The RRC has issued one drilling permit, issued June 16, 1998, permitted to 10,150 ft.
It was permitted by Arco Permian and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its lease has reported 43.6K barrels of oil and 126K mcf of gas since November 1998, last reporting in January 2026.
Operator of record
Permitted by Arco Permian; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 4, 2026
- Permits on file
- 5,237
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Endeavor Energy Resources L.P.through Oct 2023 |
| Latest permit | Arco PermianJun 16, 1998 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,150
- total depth, ft
- 1
- permits on file
- Jun 16, 1998
- last permit issued
- Nov 4, 1998
- completed
- 43.6K
- cumulative oil, bbl
- 126K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1998 THROUGH Jan 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 4, 1998
- Shut in
- —
- Plugged
- Jan 8, 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 |
|---|---|---|---|---|---|---|
| Tarzan "a" Callaway O-10-35924 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 43.6K | 126K | Nov 1998 – Jan 2026 |
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Arco PermianNov 1998 → Dec 2001
- 2BP America Production CompanyJan 2002 → Jun 2003
- 3OXY USA WTP LPJul 2003 → Jul 2003
- 4Forest Oil CorporationAug 2003 → Dec 2009
- 5Sandridge Expl. and Prod., LLCJan 2010 → Sep 2010
- 6Athlon Energy Operating LLCOct 2010 → Dec 2013
- 7Athlon Holdings LPJan 2014 → May 2014
- 8Encana Oil & Gas(usa) Inc.Apr 2015 → Nov 2019
- 9Ovintiv USA Inc.Apr 2020 → Apr 2020
- 10Endeavor Energy Resources L.P.May 2020 → Oct 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 477134-99 | Drill | Arco Permian | Jun 15, 1998 | Jun 16, 1998 | Sep 27, 1998 | 10,150 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 4, 1998 | Tarzan a Callaway O-10-35924 | Spraberry (Trend Area) | Diamondback E&P LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,842 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,100 | -3,258 |
| Spraberry | 7,412 | -4,570 |
| Dean | 8,630 | -5,788 |
| Wolfcamp | 8,978 | -6,136 |
| Wolfcamp | 9,000 | -6,158 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,800 | 7,820 | Perforated |
| 7,800 | 9,640 | Perforated |
| 8,380 | 8,400 | Perforated |
| 8,990 | 9,010 | Perforated |
| 9,620 | 9,640 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 248 | 14.75 | 190 S |
| 8.625 | 3,901 | 11 | 300 S |
| 4.5 | 9,925 | 7.875 | 1,250 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 | Jul 1, 2022 | Apr 25, 2022 | — |
| 00 | Jan 26, 1999 | Nov 25, 1998 | Yes |
| 00 | Dec 30, 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 42-317-34187 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-34187 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/31734187, documented in the API reference.