TEXAS · WELLS · HOWARD COUNTY · GRANTHAM-STOKES 31 LEASE · API 42-227-38459 · DISTRICT 7B

Grantham-Stokes 31 #1

Plugged

Howard County · Garden City S. (Wolfcamp) field  · Vertical

Grantham-Stokes 31 #1 (API 42-227-38459) is a plugged well in Howard County, plugged May 15, 2024, last operated by SM Energy Company.

The RRC has issued one drilling permit, issued January 15, 2015, permitted to 12,000 ft.

It was permitted by Laredo Petroleum, Inc. and has since transferred to SM Energy Company on the wellbore schedule.

Completion filings report 11 formation tops, including Yates, Seven Rivers, Glorieta, San Andres.

Its lease has reported 15.8K barrels of oil and 44.1K mcf of gas since April 2015, last reporting in June 2024.

Operator of record

SM Energy Company

Permitted by Laredo Petroleum, Inc.; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Sep 3, 2025
Permits on file
2,485
Phone
(303) 861-8140

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSM Energy Company
Production reportsSM Energy Companythrough Mar 2021
Latest permitLaredo Petroleum, Inc.Jan 15, 2015

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

12,000
total depth, ft
1
permits on file
Jan 15, 2015
last permit issued
Mar 11, 2021
completed
15.8K
cumulative oil, bbl
44.1K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2015 THROUGH Jun 2024

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 11, 2021
Shut in
—
Plugged
May 15, 2024

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Grantham-Stokes 31 O-10-46282Garden City, S. (Wolfcamp)SM Energy Company115.8K44.1KApr 2015 – Jun 2024

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

Chain of custody

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

  1. 1Laredo Petroleum, Inc.Apr 2015 → Jan 2017
  2. 2SM Energy CompanyFeb 2017 → Jan 2021

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
802789-99DrillLaredo Petroleum, Inc.Jan 15, 2015Jan 15, 2015Feb 17, 201512,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 11, 2021Grantham-Stokes 31 O-10-46282Garden City S. (Wolfcamp)SM Energy CompanyPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,515 ft elevation.Download CSV →

FormationMD ftSubsea
Yates1,720795
Seven Rivers1,888627
Glorieta2,400115
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO3,029-514
Clear ForkCLEARFORK - SEVERE WATER FLOWS3,955-1,440
Spraberry5,534-3,019
Dean7,148-4,633
Wolfcamp7,339-4,824
Silurian (undifferentiated)SILURIAN-DEVONIAN10,012-7,497
Coleman Junction——
Leonard——

Perforations

Perforated and open-hole intervals.

FromToType
7,4209,370Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37527917.5350 S
8.6255,51111972 S
5.510,2267.875770 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
00Mar 14, 2022Feb 23, 2022—
00Jun 16, 2015Jun 4, 2015Yes

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/22738459, documented in the API reference.