TEXAS · WELLS · MARTIN COUNTY · ROMINE - DILLON UNIT LEASE · API 42-317-36849 · DISTRICT 7B
Romine - Dillon Unit #1
Martin County · Spraberry (Trend Area) field · Producing · Vertical
Romine - Dillon Unit #1 (API 42-317-36849) is a well in Martin County operated by Diamondback E&P LLC, completed January 6, 2012 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 2011 and 2018, permitted to 10,606 ft.
It was permitted by Endeavor Energy Resources L.P. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Spraberry, Strawn, Mississippian, Atoka.
Its lease has reported 46.3K barrels of oil and 150K mcf of gas since January 2012, 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.
- 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 Apr 2026 |
| Latest permit | Endeavor Energy Resources L.P.Jul 26, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,606
- total depth, ft
- 2
- permits on file
- Jul 26, 2018
- last permit issued
- Jan 6, 2012
- completed
- 46.3K
- cumulative oil, bbl
- 150K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 6, 2012
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
32.328491, -101.725856
Permit surface location from the RRC GIS record, in Martin County.
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 |
|---|---|---|---|---|---|---|
| Romine - Dillon Unit O-10-42078 | Spraberry (Trend Area) | Diamondback E&P LLC | 2 | 46.3K | 150K | Jan 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 414 · prior 12 431(-4%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Endeavor Energy Resources L.P.Jan 2012 → Dec 2024
- 2Diamondback E&P LLCJan 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 838015-99 | Recompletion | Endeavor Energy Resources L.P. | Mar 26, 2018 | Jul 26, 2018 | — | 10,606 |
| 716114-99 | Drill | Endeavor Energy Resources L.P. | May 11, 2011 | May 13, 2011 | Aug 4, 2011 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 6, 2012 | Romine - Dillon Unit O-10-42078 | Spraberry (Trend Area) | Diamondback E&P LLC | Producing | 10,606 |
| Jan 6, 2012 | Romine - Dillon Unit O-10-42078 | Spraberry (Trend Area) | Diamondback E&P LLC | Producing | 10,606 |
Formation tops
As filed on W-2/G-1. Subsea from 2,552 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Spraberry | 6,775 | -4,223 |
| SpraberrySPRABERRY (TREND AREA) | 6,775 | -4,223 |
| Strawn | 9,775 | -7,223 |
| Mississippian | 9,925 | -7,373 |
| Atoka | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,225 | 9,683 | Perforated |
| 8,225 | 10,480 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 349 | 17.5 | 410 S |
| 8.625 | 4,262 | 11 | 520 S |
| 5.5 | 10,606 | 7.875 | 1,235 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 | Jul 31, 2018 | Jul 27, 2018 | — |
| 00 | Dec 21, 2012 | Feb 1, 2012 | Yes |
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 42-317-36849 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-36849 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbors, subsea-aligned so they line up regardless of surface terrain.
Bigtooth Maple42-317-42313
0.5 KM · Crownquest Operating, LLC · Section with this well →
| Santa Rosa | 815 | 1,743 |
| Yates | 1,973 | 585 |
| Grayburg | 3,277 | -719 |
| San Andres | 3,559 | -1,001 |
| Spraberry | 6,767 | -4,209 |
| Spraberry | 6,767 | -4,209 |
| Spraberry | 7,248 | -4,690 |
| Queen | — |
10 TOPS · FIRST 8
Bigtooth Maple42-317-42314
0.5 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,979 | 578 |
| Grayburg | 3,285 | -728 |
| San Andres | 3,564 | -1,007 |
| Spraberry | 6,763 | -4,206 |
| Dean | 8,025 | -5,468 |
| Wolfcamp | 8,156 | -5,599 |
| Santa Rosa | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Bigtooth Maple42-317-42315
0.5 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,979 | 578 |
| Grayburg | 3,285 | -728 |
| San Andres | 3,572 | -1,015 |
| Spraberry | 5,166 | -2,609 |
| Wolfcamp | 7,902 | -5,345 |
| Dean | — | |
| Santa Rosa | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Bigtooth Maple C42-317-42317
0.5 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,986 | 572 |
| Grayburg | 3,291 | -733 |
| San Andres | 3,579 | -1,021 |
| Spraberry | 6,784 | -4,226 |
| Dean | 8,130 | -5,572 |
| Wolfcamp | 8,235 | -5,677 |
| Cisco | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Bigtooth Maple D42-317-42318
0.6 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,955 | 586 |
| Grayburg | 3,260 | -719 |
| San Andres | 3,543 | -1,002 |
| Spraberry | 6,766 | -4,225 |
| Dean | 8,141 | -5,600 |
| Wolfcamp | 8,301 | -5,760 |
| Cisco | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Bigtooth Maple D42-317-42321
0.6 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,951 | 591 |
| Grayburg | 3,253 | -711 |
| San Andres | 3,533 | -991 |
| Spraberry | 6,763 | -4,221 |
| Dean | 8,030 | -5,488 |
| Wolfcamp | 8,200 | -5,658 |
| Queen | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
Bigtooth Maple D42-317-42320
0.6 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,984 | 558 |
| Grayburg | 3,290 | -748 |
| San Andres | 3,585 | -1,043 |
| Spraberry | 6,837 | -4,295 |
| Spraberry | 7,275 | -4,733 |
| Cisco | — | |
| Dean | — | |
| Queen | — |
10 TOPS · FIRST 8
Apollo 38-1 Unit 142-317-45127
0.8 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 820 | 1,730 |
| Yates | 2,001 | 549 |
| Queen | 2,820 | -270 |
| Grayburg | 3,196 | -646 |
| San Andres | 3,743 | -1,193 |
| Spraberry | 6,810 | -4,260 |
| Cisco | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
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/31736849, documented in the API reference.