TEXAS · WELLS · MARTIN COUNTY · ROMINE '37A' LEASE · API 42-317-38013 · DISTRICT 7B

Romine 37A #1

On schedule

Martin County · Spraberry (Trend Area) field · Producing  · Vertical

Fields on the latest permit · any of 3
J. L. M. (Mississippian) · Mon Bak (Strawn) · Spraberry (Trend Area)
Not one formation; the well must be completed in one of them, and no target formation is stated.

Romine 37a #1 (API 42-317-38013) is a well in Martin County operated by Diamondback E&P LLC, completed October 8, 2012 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued July 18, 2012, permitted to 10,840 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 3 formation tops, including Spraberry, Strawn, Mississippian.

Its lease has reported 55K barrels of oil and 87.3K mcf of gas since October 2012, last reporting volume in August 2026.

Operator of record

Diamondback E&P LLC

Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active (A)RRC P-5 file of Oct 22, 2026
P-5 last filed
May 4, 2026
Permits on file
5,263
Phone
(432) 221-7400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Aug 2026
Latest permitEndeavor Energy Resources L.P.Jul 18, 2012

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

10,840
total depth, ft
2
permits on file
Jul 18, 2012
last permit issued
Oct 8, 2012
completed
55K
cumulative oil, bbl
87.3K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · OCT 2012 THROUGH AUG 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 8, 2012
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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Romine '37A' O-10-43232Spraberry (Trend Area)Diamondback E&P LLC155K87.3KOct 2012 – Aug 2026

Oil, barrels lease total

Last 12 months 2,855 · prior 12 3,041(-6%)

05001K202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 0

05001K202420252026

Wells named Romine 37A

Diamondback E&P LLC's other wells filed under this lease name in Martin County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

Operator on the lease's P-4

Each operator named on the P-4 filings for this well's lease (a gas well is its own lease), from the date its filing took effect. The P-4 is filed by lease, so a date before the well was drilled is the lease's.

OperatorFromTo
Diamondback E&P LLCJan 1, 2025today
Endeavor Energy Resources L.P.Oct 8, 2012Jan 1, 2025

Reporting production

Every operator that reported production on this well's lease, in order.

  1. 1Endeavor Energy Resources L.P.Oct 2012 → Oct 2024
  2. 2Diamondback E&P LLCFeb 2025 → Aug 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
744321-98DrillEndeavor Energy Resources L.P.Jul 27, 2012Jul 18, 2012Aug 8, 201212,000
744321-99DrillEndeavor Energy Resources L.P.Jul 10, 2012Jul 18, 2012—12,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 8, 2012Romine 37A O-10-43232Spraberry (Trend Area)Diamondback E&P LLCProducing10,840

Formation tops

As filed on W-2/G-1. Subsea from 2,530 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberrySPRABERRY (TREND AREA)6,850-4,320
Strawn9,925-7,395
Mississippian10,125-7,595

Perforations

Perforated and open-hole intervals.

FromToType
8,20310,625Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37531017.5350 S
8.6254,42911600 S
5.510,8407.8751,270 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 →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Oct 17, 2013Nov 26, 2012Yes

Well logs

1 log loaded from the RRC's log index, the latest received Aug 12, 2015. Neutron.

Click a log to get its files from the RRC (free account). It opens in a new tab on the RRC's log search for this well, which lists each file to view or download; the RRC has no address for a single file.

Logas describedFiles Intervalft, as filedDatereceivedSizeMB
NEUTRON POROSITYSpans Spraberry, Strawn, MississippianTIFF5,000 to 10,720Aug 12, 2015run Sep 5, 20122.37

"Spans" is by this well's own filed formation tops: a formation runs from its top to the next deeper top filed, and the deepest runs to the bottom of the log. Depths are measured along the wellbore, so on a horizontal the lateral counts in the formation it was landed in.

These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it.

Find logs withinmiles of this well:List →Map →

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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.

The logs loaded for this well are under Well logs, with the RRC's log search 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/31738013, documented in the API reference.