WELL · 42-181-30951 · DISTRICT 9

Shankles, D. L. #1

N

Grayson County  · Vertical

Shankles, D. L. #1 (API 42-181-30951) is a permitted well in Grayson County filed by Samson Lone Star, LLC; no completion report is on file yet.

The RRC has issued 3 drilling permits between 1983 and 2010, permitted to 12,800 ft.

Completion filings report 3 formation tops, including Davis Sand, Cordell Sand, Viola.

Its 4 leases have reported 77.4K barrels of oil and 441K mcf of gas since January 1993, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.

Operator of record

Samson Lone Star, LLC

Based in
Tulsa, OK
P-5 status
Delinquent (D)
P-5 last filed
Jan 30, 2020
Permits on file
1,290
Phone
(918) 591-1834

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsBKM Productionthrough Apr 2026
Latest permitSamson Lone Star, LLCJun 30, 2010
12,800
total depth, ft
3
permits on file
Jun 30, 2010
last permit issued
—
completed
77.4K
cumulative oil, bbl
441K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

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 4 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
D. L. Shankles O-13-31194Perrin, N. Afb (Baker SD)BKM Production244.2K47.2KApr 2006 – Jul 2026
D. L. Shankles Unit O-13-32817Perrin, N. Afb (Baker SD)BKM Production125.6K38.6KMay 2012 – Jul 2026
Shankles, D. L. G-13-205423Grace-Mag (Penn Cordell)Samson Lone Star, LLC1091.1KOct 2004 – May 2012
Shankles, D. L. O-13-23727Grace-Mag (Penn Cordell)Samson Lone Star LP17.52K264KJan 1993 – Sep 2005

Oil, barrels lease total

Last 12 months 2,433 · prior 12 2,381(+2%)

0100200300202420252026

Gas, mcf lease total

Last 12 months 5,099 · prior 12 4,182(+22%)

0200400600202420252026

Chain of custody

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

  1. 1Geodyne Operating CompanyJan 1993 → Mar 1993
  2. 2Samson Resources CompanyApr 1993 → Mar 1995
  3. 3Samson Hydrocarbons CompanyApr 1995 → Jul 1996
  4. 4Samson Lone Star LPAug 1996 → Jun 2007
  5. 5Samson Lone Star, LLCMay 2006 → Sep 2014
  6. 6Arrow Rock Energy, LLCOct 2014 → Mar 2018
  7. 7White Marlin Operating Co, LLCApr 2018 → Aug 2018
  8. 8BKM ProductionSep 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
695626-99RecompletionSamson Lone Star, LLCMay 7, 2010Jun 30, 2010Mar 28, 201210,962
192644-99DrillGrace Petroleum Corp.Apr 18, 1983Apr 18, 1983—12,800
192642-99DrillGrace Petroleum Corp.Apr 18, 1983Apr 18, 1983—12,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-13-205423————
—— O-13-23727————
—— O-13-31194————
—— O-13-32817————

Formation tops

As filed on W-2/G-1. Subsea from 739 ft elevation.Download CSV →

FormationMD ftSubsea
Davis Sand8,740-8,001
Cordell Sand9,600-8,861
ViolaVIOLA SAND10,600-9,861

Perforations

Perforated and open-hole intervals.

FromToType
7,9928,020Perforated
8,0928,122Perforated
8,2528,282Perforated
10,27410,306Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
1660——
9.6252,22512.25775 S
2.87510,167——
5.510,9757.8752,090 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 16, 2014Jul 11, 2012—
00Feb 27, 2014Jul 11, 2012—
00Apr 13, 2005Nov 15, 2004—
00Jan 26, 2005——
00Jan 12, 1984Nov 10, 1983—

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.

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/18130951, documented in the API reference.