WELL · 42-371-37822 · DISTRICT 8

Longfellow 600 MD #803

Y

Pecos County · Allison Ranch (Wolfcamp) field · Producing  · Vertical

Longfellow 600 MD #803 (API 42-371-37822) is a well in Pecos County operated by Longfellow Energy LP, completed January 22, 2007 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended twice), issued November 9, 2006, permitted to 3,115 ft.

It was permitted by Sandridge Energy, Inc. and has since transferred to Longfellow Energy LP on the wellbore schedule.

Completion filings report 2 formation tops, including Base Cretaceous (marker), Wolfcamp.

Its lease has reported 27.1K barrels of oil and 214K mcf of gas since May 2007, last reporting in July 2026.

Operator of record

Longfellow Energy LP

Permitted by Sandridge Energy, Inc.; the EWA schedule now lists a different operator.

Based in
Dallas, TX
P-5 status
Active (A)
P-5 last filed
Mar 26, 2026
Permits on file
37
Phone
(972) 590-9900

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleLongfellow Energy LP
Production reportsLongfellow Energy, LPthrough Apr 2026
Latest permitSandridge Energy, Inc.Nov 9, 2006

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

3,115
total depth, ft
3
permits on file
Nov 9, 2006
last permit issued
Jan 22, 2007
completed
27.1K
cumulative oil, bbl
214K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2007 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 22, 2007
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; this well is the only one on it.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Longfellow 600 MD O-10-38331Allison Ranch (Wolfcamp)Longfellow Energy, LP127.1K214KMay 2007 – Jul 2026

Gas, mcf lease total

Last 12 months 42 · prior 12 0

0200400600202420252026

Oil, barrels lease total

Last 12 months 180 · prior 12 2(+8900%)

0100200202420252026

Chain of custody

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

  1. 1Sandridge Energy, Inc.May 2007 → May 2009
  2. 2Sandridge Expl. and Prod., LLCJun 2009 → Jan 2016
  3. 3Occidental W TX Overthrust, Inc.Mar 2016 → Dec 2021
  4. 4Longfellow Energy, LPJan 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
628598-97DrillSandridge Energy, Inc.Jul 17, 2007Nov 9, 2006Dec 17, 200612,000
628598-98DrillSandridge Energy, Inc.Jan 3, 2007Nov 9, 2006Dec 17, 200612,000
628598-99DrillSandridge Energy, Inc.Nov 4, 2006Nov 9, 2006Dec 17, 20067,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Jan 22, 2007Longfellow 600 MD O-10-38331Allison Ranch (Wolfcamp)Longfellow Energy LPProducing3,115

Formation tops

As filed on W-2/G-1. Subsea from 3,916 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE CRETACEOUS1,3452,571
WolfcampMIDDLE WOLFCAMP2,2451,671
WolfcampLOWER WOLFCAMP (UNCONFORMITY)3,095821

Perforations

Perforated and open-hole intervals.

FromToType
2,7202,774Perforated
2,9172,958Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,11511345 S
4.53,1007.875480 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 7, 2007Jul 25, 2007Yes
00Nov 30, 2007——

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.

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/37137822, documented in the API reference.