WELL · 42-317-33235 · DISTRICT 8
Tarzan #1
Martin County · Tarzan (Atoka) field · Vertical
Tarzan #1 (API 42-317-33235) is a plugged well in Martin County, plugged September 3, 1987, last operated by R K Petroleum Corp..
The RRC has issued 3 drilling permits (amended once) between 1985 and 2016, permitted to 12,500 ft.
It was permitted by Endeavor Energy Resources L.P. and has since transferred to R K Petroleum Corp. on the wellbore schedule.
Completion filings report 11 formation tops, including Yates, San Andres, Spraberry, Upper Straberry.
Its lease has reported 75.5K barrels of oil and 113K mcf of gas since January 2000, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Nov 4, 2025 · 530 permits on file · (432) 215-6708
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | R K Petroleum Corp. |
| Production reports | Diamondback E&P LLCthrough Jun 2025 |
| Latest permit | Endeavor Energy Resources L.P.Nov 2, 2016 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,500
- total depth, ft
- 4
- permits on file
- Nov 2, 2016
- last permit issued
- Nov 7, 1985
- completed
- 75.5K
- cumulative oil, bbl
- 113K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2000 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 7, 1985
- Shut in
- —
- Plugged
- Sep 3, 1987
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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cox "10" O-10-36201 | Spraberry (Trend Area) | Diamondback E&P LLC | 2 | 75.5K | 113K | Jan 2000 – Jul 2026 |
Oil, barrels lease total
Last 12 months 140 · prior 12 705(-80%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Stephens, Autry C.Jan 2000 → Aug 2000
- 2Endeavor Energy Resources L.P.Sep 2000 → Dec 2024
- 3Diamondback E&P LLCJan 2025 → Jun 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 818681-99 | Recompletion | Endeavor Energy Resources L.P. | Sep 21, 2016 | Nov 2, 2016 | Aug 10, 2004 | 12,306 |
| 483857-98 | Reenter | Stephens, Autry C. | Jan 7, 2000 | Apr 23, 1999 | Apr 23, 1999 | 11,900 |
| 483857-99 | Reenter | Stephens, Autry C. | Apr 14, 1999 | Apr 23, 1999 | — | 10,950 |
| 284566-99 | Drill | R K Petroleum Corporation | Aug 30, 1985 | Sep 12, 1985 | — | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-36201 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,845 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,894 | 8,094 | Perforated |
| 7,894 | 11,298 | Perforated |
| 8,606 | 8,752 | Perforated |
| 9,268 | 9,428 | Perforated |
| 9,698 | 9,876 | Perforated |
| 11,238 | 11,248 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 359 | 12.25 | 350 S |
| 13.375 | 359 | 17.5 | 360 S |
| 8.625 | 4,350 | 11 | 800 S |
| 5.5 | 11,893 | 7.875 | 1,000 S |
| 5.5 | 11,950 | 7.875 | 1,000 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 27, 2021 | Sep 16, 2021 | — |
| 00 | Dec 7, 2016 | Nov 29, 2016 | — |
| 00 | Mar 28, 2000 | Jan 12, 2000 | Yes |
| 00 | Mar 7, 2000 | — | — |
| 00 | Dec 19, 1985 | Dec 5, 1985 | — |
| 00 | Dec 13, 1985 | — | — |
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 42-317-33235 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-33235 → 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/31733235, documented in the API reference.