TEXAS · WELLS · MARTIN COUNTY · BLOCK -X- LEASE · API 42-317-32957 · DISTRICT 7B
Block -X- #1
Martin County · Sulphur Draw (Dean 8790) field · Producing · Vertical
Block -X- #1 (API 42-317-32957) is a well in Martin County operated by Diamondback E&P LLC, completed December 16, 1984 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 4, 1984, permitted to 9,200 ft.
It was permitted by Henry Petroleum Corp. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Yates, San Andres, Spraberry, Jo Mill.
Its lease has reported 30.7K barrels of oil and 14.3K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Henry Petroleum Corp.; 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
- 5,243
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Jun 2025 |
| Latest permit | Henry Petroleum Corp.Sep 4, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,200
- total depth, ft
- 1
- permits on file
- Sep 4, 1984
- last permit issued
- Dec 16, 1984
- completed
- 30.7K
- cumulative oil, bbl
- 14.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 16, 1984
- 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 |
|---|---|---|---|---|---|---|
| Block -X- O-10-29483 | Sulphur Draw (Dean 8790) | Diamondback E&P LLC | 1 | 30.7K | 14.3K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 33 · prior 12 429(-92%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Henry Petroleum Corp.Jan 1993 → Mar 2001
- 2Henry Petroleum LPApr 2001 → Dec 2008
- 3COG Operating LLCJan 2009 → Dec 2010
- 4Legacy Reserves Operating LPJan 2011 → Jan 2022
- 5Endeavor Energy Resources L.P.Feb 2022 → Dec 2024
- 6Diamondback E&P LLCJan 2025 → Jun 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 250541-99 | Drill | Henry Petroleum Corp. | Dec 31, 1984 | Sep 4, 1984 | Oct 7, 1984 | 9,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 16, 1984 | Block -X- O-10-29483 | Sulphur Draw (Dean 8790) | Diamondback E&P LLC | Producing | 9,200 |
Formation tops
As filed on W-2/G-1. Subsea from 2,764 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,470 | 294 |
| San Andres | 3,921 | -1,157 |
| SpraberryUPPER SPRABERRY | 7,519 | -4,755 |
| Jo MillJO-MILL | 8,410 | -5,646 |
| Dean | 8,908 | -6,144 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,908 | 9,105 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 369 | 17.5 | 350 S |
| 8.625 | 3,980 | 11 | 300 S |
| 4.5 | 9,200 | 7.875 | 1,170 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 | Jan 29, 1985 | Jan 9, 1985 | — |
| 00 | Jan 16, 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 42-317-32957 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-32957 → 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/31732957, documented in the API reference.