WELL · 42-181-31299 · DISTRICT 9

Sadler (Dornick Hills) Sand Unit #12

Y

Grayson County · Andrade (Dornick Hills) field · Injection  · Vertical

Sadler (Dornick Hills) Sand Unit #12 (API 42-181-31299) is a well in Grayson County operated by Grayson Petroleum Company, completed October 11, 2015 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit, issued May 29, 1996, permitted to 6,250 ft.

Completion filings report 7 formation tops, including Paluxy, Strawn, Pennsylvanian, Dornick Hills.

Its lease has reported 222K barrels of oil and 21 mcf of gas since January 1993, last reporting in July 2026. The lease carries 13 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 995 barrels injected in the 12 months reported through September 2025.

Operator of record

Grayson Petroleum Company

Based in
Whitesboro, TX
P-5 status
Active (A)
P-5 last filed
Apr 8, 2026
Permits on file
124
Phone
(903) 564-6279

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleGrayson Petroleum Company
Production reportsGrayson Petroleum Companythrough Apr 2026
Latest permitGrayson Petroleum CompanyMay 29, 1996
6,250
total depth, ft
1
permits on file
May 29, 1996
last permit issued
Oct 11, 2015
completed
222K
cumulative oil, bbl
21
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 11, 2015
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.

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 13 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sadler (Dornick Hills) Sand Unit O-13-27921Andrade (Dornick Hills)Grayson Petroleum Company13222K21Jan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 6,570 · prior 12 7,565(-13%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Grayson Petroleum CompanyJan 1993 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
448624-99DrillGrayson Petroleum CompanyMay 29, 1996May 29, 1996Jun 10, 19966,250

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-13-27921————

Formation tops

As filed on W-2/G-1. Subsea from 695 ft elevation.Download CSV →

FormationMD ftSubsea
Paluxy930-235
Strawn2,910-2,215
Pennsylvanian4,525-3,830
Dornick Hills6,025-5,330
Andrade Dormick Hills6,036-5,341
Oil Creek6,150-5,455
Oil Creek6,210-5,515
Ellenburger6,230-5,535

Perforations

Perforated and open-hole intervals.

FromToType
6,0386,066Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
12.752648.625145 S
8.62527212.25145 S
7.8751,8545.5335 S
5.56,2577.875250 S
7.8756,2855.5250 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 28, 2021Oct 19, 2021—
00Jan 27, 2016Jan 20, 2016—
00Aug 28, 1996Jul 24, 1996Yes
00Aug 5, 1996——

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

995
bbl, last 12 reported months
9.26K
bbl, all reported
Sep 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000113221H-1 InjectionActive1001,0006,038–6,066

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

Last 12 months 995 · prior 12 920(+8%)

05010020242025

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/18131299, documented in the API reference.