WELL · 42-441-34727 · DISTRICT 8

Gray Line Gray Sand #10

Y

Taylor County · Robertson-Griffin (Gray Sand) field · Producing  · Vertical

Gray Line Gray Sand #10 (API 42-441-34727) is a well in Taylor County operated by Quail Well Service Inc., completed December 10, 2025 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued August 15, 2025, permitted to 4,100 ft.

Completion filings report 10 formation tops, including Coleman Junction, Flippen - Disposal, Saddle Creek, Cook - Disposal.

Its lease has reported 36.2K barrels of oil since December 2013, last reporting in July 2026. The lease carries 8 wells, so these are lease totals, not this well alone.

Operator of record

Quail Well Service Inc.

Abilene, TX · P-5 Y, filed Jul 4, 2026 · 92 permits on file · (325) 201-7560

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleQuail Well Service Inc.
Production reportsQuail Well Service, Inc.through Apr 2026
Latest permitQuail Well Service, Inc.Aug 15, 2025
4,100
total depth, ft
2
permits on file
Aug 15, 2025
last permit issued
Dec 10, 2025
completed
36.2K
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2013 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 10, 2025
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

32.085476, -99.669972

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Taylor 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 8 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Gray Line Gray Sand O-8-31381Robertson-Griffin (Gray Sand)Quail Well Service, Inc.836.2K0Dec 2013 – Jul 2026

Oil, barrels lease total

Last 12 months 6,994 · prior 12 4,268(+64%)

05001K202420252026

Chain of custody

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

  1. 1Solar Exploration TX LLCDec 2013 → Nov 2017
  2. 2Aogp, LLCDec 2017 → Nov 2018
  3. 3Quail Well Service, Inc.Jan 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
909837-98DrillQuail Well Service, Inc.Aug 27, 2025Aug 15, 2025—4,100
909837-99DrillQuail Well Service, Inc.Aug 13, 2025Aug 15, 2025Sep 18, 20254,100

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-8-31381————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Coleman JunctionCOLEMAN JUNCTION - CORROSIVE, SW1,224
Flippen - Disposal1,496
Saddle CreekSADDLE CREEK - DISPOSAL1,816
Cook - Disposal2,194
Hope Lime - Disposal2,336
CiscoCISCO - DISPOSAL2,622
Swastika - Disposal2,689
Palo PintoPALO PINTO LIME - DISPOSAL3,121
King Sand - Disposal—
Unidentified-County Regular - DI—

Perforations

Perforated and open-hole intervals.

FromToType
3,9363,948Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62510912.2580 S
5.54,0847.875180 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 6, 2026Mar 11, 2026Yes

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). 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 →

Gray Line Gray Sand Unit42-441-34692

0.3 KM · Quail Well Service, Inc. · Section with this well →

Coleman Junction1,224
Flippen - Disposal1,426
Saddle Creek1,812
Cook - Disposal2,085
Hope Lime - Disposal2,150
King Sand - Disposal2,214
Palo Pinto2,695
Swastika - Disposal3,125

10 TOPS · FIRST 8

Gray Line Gray Sand Unit42-441-03649

0.3 KM · Quail Well Service, Inc. · Section with this well →

Coleman Junction1,220707
Saddle Creek1,810117
King Sand - Disposal2,015-88
Palo Pinto2,700-773
Unidentified-County Regular - DI—
Cisco—
Cook - Disposal—
Flippen - Disposal—

10 TOPS · FIRST 8

Gray Line Gray Sand Unit42-441-80568

0.4 KM · Quail Well Service, Inc. · Section with this well →

Coleman Junction1,220
Saddle Creek1,780
Flippen - Disposal2,110
Cook - Disposal2,180
Hope Lime - Disposal2,360
King Sand - Disposal2,430
Cisco2,630
Palo Pinto3,110

10 TOPS · FIRST 8

Gray Line Gray Sand Unit42-441-01810

0.5 KM · Quail Well Service, Inc. · Section with this well →

Coleman Junction1,240704
Saddle Creek1,800144
Palo Pinto3,130-1,186
Cisco—
Cook - Disposal—
Flippen - Disposal—
Hope Lime - Disposal—
King Sand - Disposal—

10 TOPS · FIRST 8

Gray Line Gray Sand Unit42-441-05226

1.0 KM · Quail Well Service, Inc. · Section with this well →

Coleman Junction1,240681
Saddle Creek1,800121
Palo Pinto3,130-1,209
Goen3,660-1,739
Gardner Lime3,740-1,819
Gray Sand3,918-1,997
Unidentified-County Regular - DI—
Cook - Disposal—

13 TOPS · FIRST 8

Richardson42-441-34628

3.1 KM · Chisholm Operating, Inc. · Section with this well →

Coleman Junction8001,045
Cook - Disposal1,600245
Palo Pinto3,070-1,225
Flippen - Disposal—
Cisco—
Hope Lime - Disposal—
King Sand - Disposal—
Saddle Creek—

10 TOPS · FIRST 8

Richardson42-441-34626

3.4 KM · Chisholm Operating, Inc. · Section with this well →

Coleman Junction990896
Cook - Disposal1,600286
Gray Sand3,840-1,954
Saddle Creek—
Cisco—
Flippen - Disposal—
King Sand - Disposal—
Hope Lime - Disposal—

10 TOPS · FIRST 8

Richardson42-441-34622

3.5 KM · Chisholm Operating, Inc. · Section with this well →

Coleman Junction990883
Palo Pinto3,070-1,197
Saddle Creek—
Cambrian Sand - Disposal—
Canyon—
Ellenburger—
Flippen - Disposal—
Hope Sand - Disposal—

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/44134727, documented in the API reference.