TEXAS · WELLS · MARTIN COUNTY · ESTEP LEASE · API 42-317-32465 · DISTRICT 7B
Estep #1
Martin County · Breedlove East (Spraberry) field · Producing · Vertical
Estep #1 (API 42-317-32465) is a well in Martin County operated by Diamondback E&P LLC, completed March 14, 1982 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued December 4, 1981, permitted to 9,525 ft.
It was permitted by Saxon Oil Company and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Its lease has reported 33.3K barrels of oil and 8.19K mcf of gas since January 1993, last reporting volume in April 2026.
Operator of record
Permitted by Saxon Oil Company; 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
- 5,251
- 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 Apr 2026 |
| Latest permit | Saxon Oil CompanyDec 4, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,525
- total depth, ft
- 1
- permits on file
- Dec 4, 1981
- last permit issued
- Mar 14, 1982
- completed
- 33.3K
- cumulative oil, bbl
- 8.19K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 14, 1982
- 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 |
|---|---|---|---|---|---|---|
| Estep O-10-27212 | Breedlove, East (Spraberry) | Diamondback E&P LLC | 1 | 33.3K | 8.19K | Jan 1993 – Apr 2026 |
Oil, barrels lease total
Last 12 months 291 · prior 12 546(-47%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hallwood Energy CorporationJan 1993 → Nov 1994
- 2Hallwood Petroleum, Inc.Dec 1994 → Dec 2001
- 3Hec Petroleum, Inc.Jan 2002 → Mar 2006
- 4Chevron Midcontinent, L.P.Apr 2006 → Nov 2008
- 5Endeavor Energy Resources L.P.Dec 2008 → Dec 2024
- 6Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 142720-99 | Drill | Saxon Oil Company | Dec 4, 1981 | Dec 4, 1981 | — | 9,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 14, 1982 | Estep O-10-27212 | Breedlove East (Spraberry) | Diamondback E&P LLC | Producing | 9,525 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,888 | 9,379 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 351 | 17.5 | 400 S |
| 8.625 | 4,300 | 11 | 460 S |
| 2.375 | 7,795 | — | — |
| 4.5 | 9,525 | 7.875 | 1,300 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 12, 1984 | Mar 22, 1982 | — |
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 42-317-32465 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-32465 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/31732465, documented in the API reference.