WELL · 42-371-39568 · DISTRICT 8

GSL SWD 26 #261

WaterY

Pecos County · Coyanosa (Delaware Sd.) field · Injection  · Vertical

Gsl Swd 26 #261 (API 42-371-39568) is a well in Pecos County operated by Rattler Midstream Operating LLC, completed November 7, 2017 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit, issued June 16, 2017, permitted to 8,000 ft.

It was permitted by Diamondback E&P LLC and has since transferred to Rattler Midstream Operating LLC on the wellbore schedule.

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

No lease production has been reported under this well’s leases.

It holds an active disposal or injection permit, with 5.05M barrels injected in the 12 months reported through May 2025; TexNet located 6 M2+ earthquakes within 10 km over the last two years.

Operator of record

Rattler Midstream Operating LLC

Permitted by Diamondback E&P LLC; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Aug 4, 2025 · 14 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleRattler Midstream Operating LLC
Production reportsnone
Latest permitDiamondback E&P LLCJun 16, 2017

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

8,000
total depth, ft
1
permits on file
Jun 16, 2017
last permit issued
Nov 7, 2017
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2017 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 7, 2017
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.096132, -103.064264

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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
GSL SWD 26 O-10-49399Coyanosa (Delaware Sd.)Rattler Midstream Operating LLC100Nov 2017 – Jul 2026

No volumes reported on these leases in the last three years.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
827578-99DrillDiamondback E&P LLCJun 7, 2017Jun 16, 2017Oct 27, 20178,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-49399————

Formation tops

As filed on W-2/G-1. Subsea from 2,784 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler1,981803
Glorieta——
Grayburg——
O'Brien——
Queen——
Seven Rivers——
Soma——
Toborg——
Tubb——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
6,0557,334Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,335162,350 S
9.6257,70712.251,180 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
00Apr 5, 2018Jan 18, 2018—
00Feb 20, 2018——

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 31-36 E42-371-40163

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

Capitan—
Yates—
Toborg—
Soma—
Seven Rivers—
San Andres—
Rustler—
Queen—

10 TOPS · FIRST 8

Neal Lethco 31-36 D42-371-40162

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

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

10 TOPS · FIRST 8

Neal Lethco 31-36 C42-371-40068

1.8 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 31-36 B42-371-40067

1.8 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 31-36 F42-371-40245

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

Yates—
Capitan—
Grayburg—
O'Brien—
Queen—
Rustler—
San Andres—
Seven Rivers—

10 TOPS · FIRST 8

Neal Lethco 31-36 G42-371-40246

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

Capitan—
Grayburg—
O'Brien—
Queen—
Rustler—
San Andres—
Seven Rivers—
Soma—

10 TOPS · FIRST 8

State Neal Lethco 27-25 Unit42-371-39797

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

Rustler2,124669
Yates—
Tubb—
Toborg—
Soma—
Seven Rivers—
Queen—
O'Brien—

10 TOPS · FIRST 8

State Neal Lethco 27-25 Unit42-371-39798

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

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

10 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

5.05M
bbl, last 12 reported months
36.8M
bbl, all reported
May 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000115557W-14 DisposalActive24,0002,9505,900–7,623

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 5,049,397 · prior 12 5,509,442(-8%)

0200K400K600K20242025

TexNet catalog via USGS

Seismicity near this well

6
M2+ events within 10 km, last 2 years
M3.1
largest

A proximity count, not an attribution. How to read it →

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/37139568, documented in the API reference.