WELL · 42-371-39619 · DISTRICT 8

Neal Lethco 39-37 Unit #4WA

Y

Pecos County · Hoefs T-K (Wolfcamp) field · Producing  · Horizontal

Neal Lethco 39-37 Unit #4WA (API 42-371-39619) is a horizontal well in Pecos County operated by Diamondback E&P LLC, completed July 28, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued September 19, 2017, permitted to 18,000 ft.

Completion filings report 10 formation tops, including Rustler, Glorieta, Grayburg, O'Brien.

Its lease has reported 2.3M barrels of oil and 3.77M mcf of gas since December 2017, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.

Operator of record

Diamondback E&P LLC

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitDiamondback E&P LLCSep 19, 2017
18,000
total depth, ft
1
permits on file
Sep 19, 2017
last permit issued
Jul 28, 2018
completed
2.3M
cumulative oil, bbl
3.77M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2017 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jul 28, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

31.133611, -103.039861

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Pecos 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 6 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Neal Lethco 39-37 Unit O-10-50210Hoefs T-K (Wolfcamp)Diamondback E&P LLC62.3M3.77MDec 2017 – Jul 2026

Oil, barrels lease total

Last 12 months 122,743 · prior 12 144,688(-15%)

010K20K202420252026

Gas, mcf lease total

Last 12 months 362,201 · prior 12 365,564(-1%)

020K40K60K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCMar 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
830850-99DrillDiamondback E&P LLCSep 12, 2017Sep 19, 2017—18,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-50210————

Formation tops

As filed on W-2/G-1. Subsea from 2,724 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler1,956768
Glorieta——
Grayburg——
O'Brien——
Queen——
Seven Rivers——
Soma——
Toborg——
Tubb——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
10,44718,014Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.752,40012.251,525 S
7.6259,4609.875830 S
5.518,0126.751,255 S
4.518,1386.751,255 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Dec 20, 2018Nov 7, 2018Yes

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.

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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Neal Lethco 39-37 Unit42-371-39480

0.0 KM · Diamondback E&P LLC · Section with this well →

Glorieta—
Grayburg—
O'Brien—
Queen—
Rustler—
Seven Rivers—
Soma—
Toborg—

10 TOPS · FIRST 8

Neal Lethco 39-40 B42-371-39915

0.2 KM · Diamondback E&P LLC · Section with this well →

Tubb—
Glorieta—
Grayburg—
O'Brien—
Queen—
Rustler—
Seven Rivers—
Soma—

10 TOPS · FIRST 8

Neal Lethco 39-40 A42-371-39914

0.3 KM · Diamondback E&P LLC · Section with this well →

Yates—
Glorieta—
Grayburg—
O'Brien—
Queen—
Rustler—
Seven Rivers—
Soma—

10 TOPS · FIRST 8

Neal Lethco 39-37 Unit42-371-39921

0.4 KM · Diamondback E&P LLC · Section with this well →

Yates—
Glorieta—
Grayburg—
O'Brien—
Queen—
Rustler—
Seven Rivers—
Soma—

10 TOPS · FIRST 8

Neal Lethco 39-37 Unit42-371-39923

0.4 KM · Diamondback E&P LLC · Section with this well →

Yates—
Glorieta—
Grayburg—
O'Brien—
Queen—
Rustler—
Seven Rivers—
Soma—

10 TOPS · FIRST 8

Neal Lethco N 40 A42-371-40087

0.5 KM · Diamondback E&P LLC · Section with this well →

Glorieta—
Grayburg—
O'Brien—
Queen—
Rustler—
Seven Rivers—
Soma—
Toborg—

10 TOPS · FIRST 8

State Neal Lethco 36-32 Unit42-371-39602

0.5 KM · Diamondback E&P LLC · Section with this well →

Rustler1,958766
Yates—
Tubb—
Toborg—
Soma—
Seven Rivers—
Queen—
O'Brien—

10 TOPS · FIRST 8

State Neal Lethco 36-32 Unit42-371-39888

0.6 KM · Diamondback E&P LLC · Section with this well →

Grayburg—
Yates—
Tubb—
Toborg—
Soma—
Seven Rivers—
Rustler—
Queen—

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/37139619, documented in the API reference.