WELL · 42-317-35175 · DISTRICT 8
Carlile #4
Martin County · Spraberry (Trend Area) field · Producing · Vertical
Carlile #4 (API 42-317-35175) is a well in Martin County operated by Diamondback E&P LLC, completed March 25, 2008 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued February 11, 2008, permitted to 9,553 ft.
It was permitted by Merit Energy Company and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Wolfcamp, Dean.
Its lease has reported 142K barrels of oil and 239K mcf of gas since January 1993, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Merit Energy 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
- 5,237
- 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 | Merit Energy CompanyFeb 11, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,553
- total depth, ft
- 2
- permits on file
- Feb 11, 2008
- last permit issued
- Mar 25, 2008
- completed
- 142K
- cumulative oil, bbl
- 239K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 25, 2008
- 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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Carlile O-10-22868 | Spraberry (Trend Area) | Diamondback E&P LLC | 4 | 142K | 239K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,846 · prior 12 3,579(-20%)
Gas, mcf lease total
Last 12 months 2,698 · prior 12 3,739(-28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hanley Petroleum Inc.Jan 1993 → Feb 1999
- 2Concho Resources Inc.Mar 1999 → Jun 2001
- 3Devon Energy Production Co, L.P.Jul 2001 → Jun 2002
- 4Merit Energy CompanyJul 2002 → Nov 2013
- 5Hunt Oil CompanyDec 2013 → May 2023
- 6DE IV Operating, LLCAug 2023 → Apr 2025
- 7Diamondback E&P LLCMay 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 654491-98 | Drill | Merit Energy Company | Jan 8, 2010 | Feb 11, 2008 | Feb 20, 2008 | 10,500 |
| 654491-99 | Drill | Merit Energy Company | Feb 1, 2008 | Feb 11, 2008 | Feb 20, 2008 | 10,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 25, 2008 | Carlile O-10-22868 | Spraberry (Trend Area) | Diamondback E&P LLC | Producing | 9,553 |
Formation tops
As filed on W-2/G-1. Subsea from 2,737 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,352 | 8,642 | Perforated |
| 8,736 | 8,936 | Perforated |
| 9,044 | 9,166 | Perforated |
| 9,261 | 9,385 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 500 | 17.5 | 545 S |
| 8.625 | 4,823 | 11 | 365 S |
| 5.5 | 9,553 | 7.875 | 655 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 | Mar 1, 2010 | May 7, 2008 | Yes |
| 00 | Dec 1, 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 42-317-35175 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-35175 → 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/31735175, documented in the API reference.