TEXAS · WELLS · PECOS COUNTY · BLACKSTONE SLAUGHTER LEASE · API 42-371-37679 · DISTRICT 6E
Blackstone Slaughter #4019
Pecos County · Sheffield SE (Devonian) field · Producing · Horizontal
Blackstone Slaughter #4019 (API 42-371-37679) is a horizontal well in Pecos County operated by Vaquero Operating, completed December 13, 2006 and listed as producing on the RRC schedule, shut in August 1, 2019.
The RRC has issued 2 drilling permits (amended twice) between 2006 and 2008, permitted to 9,480 ft.
It was permitted by Cimarex Energy CO. and has since transferred to Vaquero Operating on the wellbore schedule.
Completion filings report 6 formation tops, including Strawn, Pennsylvanian, Devonian, Fusselman.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Cimarex Energy Co.; the EWA schedule now lists a different operator.
- Based in
- FT Stockton, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Sep 25, 2025
- Phone
- (432) 336-5214
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Acorn Oil & Gas, LLCthrough Oct 2022 |
| Latest permit | Cimarex Energy Co.Apr 18, 2008 |
- 9,480
- total depth, ft
- 4
- permits on file
- Apr 18, 2008
- last permit issued
- Dec 13, 2006
- completed
- 0
- cumulative oil, bbl
- 299K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 13, 2006
- Shut in
- Aug 1, 2019
- Plugged
- —
Operator's P-5 on the schedule: Delinquent (D)
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 |
|---|---|---|---|---|---|---|
| Blackstone Slaughter G-9-250828 | Sheffield, SE (Devonian) | Vaquero Operating | 1 | 0 | 299K | Aug 2007 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Cimarex Energy Co.Oct 2007 → May 2019
- 2Special Energy CorporationJun 2019 → Jul 2019
- 3Overstreet, Jamie LOct 2020 → Jan 2021
- 4Acorn Oil & Gas, LLCOct 2022 → Oct 2022
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 658680-99 | Recompletion | Cimarex Energy Co. | Apr 2, 2008 | Apr 18, 2008 | — | 9,480 |
| 614853-97 | Drill | Cimarex Energy Co. | Dec 15, 2006 | Apr 7, 2006 | May 30, 2006 | 9,460 |
| 614853-98 | Drill | Cimarex Energy Co. | Jun 6, 2006 | Apr 7, 2006 | May 30, 2006 | 10,250 |
| 614853-99 | Drill | Cimarex Energy Co. | Feb 24, 2006 | Apr 7, 2006 | May 30, 2006 | 10,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 13, 2006 | Blackstone Slaughter G-9-250828 | Sheffield SE (Devonian) | Vaquero Operating | Producing · shut in Aug 1, 2019 | 9,480 |
Formation tops
As filed on W-2/G-1. Subsea from 2,389 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Strawn | 8,060 | -5,671 |
| PennsylvanianPENN DETRITAL | 8,203 | -5,814 |
| Devonian | 8,295 | -5,906 |
| Fusselman | 8,972 | -6,583 |
| Simpson | 9,115 | -6,726 |
| EllenburgerELLENBERGER | 10,025 | -7,636 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,382 | 8,724 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,114 | 17.5 | 610 S |
| 9.625 | 3,105 | 12.25 | 1,150 S |
| 7 | 10,293 | 8.75 | 340 S |
| 7 | — | 8.75 | 445 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 | Dec 4, 2009 | Jan 16, 2007 | Yes |
| 00 | Sep 14, 2009 | — | — |
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 42-371-37679 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-37679 → 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/37137679, documented in the API reference.