WELL · 42-221-30464 · DISTRICT 7

Sigley-Spencer #1

Y

Hood County · Brazos East (Caddo) field · Producing  · Vertical

Sigley-Spencer #1 (API 42-221-30464) is a well in Hood County operated by Brazos Operating LLC, completed March 28, 1978 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued February 16, 1978, permitted to 5,000 ft.

It was permitted by Arrowhead Energy CO. and has since transferred to Brazos Operating LLC on the wellbore schedule.

No lease production has been reported under this well’s leases.

Operator of record

Brazos Operating LLC

Permitted by Arrowhead Energy Co.; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Jun 4, 2026 · (817) 371-6410

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBrazos Operating LLC
Production reportsBrazos Operating LLCthrough Apr 2026
Latest permitArrowhead Energy Co.Feb 16, 1978

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

5,000
total depth, ft
1
permits on file
Feb 16, 1978
last permit issued
Mar 28, 1978
completed
0
cumulative oil, bbl
116K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 28, 1978
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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
Sigley-Spencer G-8-94538Brazos, East (Caddo)Brazos Operating LLC10116KJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 960 · prior 12 1,744(-45%)

0100200202420252026

Chain of custody

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

  1. 1Arrowhead Energy Co.Jan 1993 → Dec 1993
  2. 2MKS Consulting CorporationDec 1997 → Jul 2005
  3. 3MKS Natural Gas CompanyAug 2005 → Mar 2011
  4. 4K & S Oil & Gas Company, LLCApr 2011 → Jan 2015
  5. 5Rollo Resources, LLCFeb 2015 → Aug 2022
  6. 6Brazos Operating LLCOct 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
18474-99DrillArrowhead Energy Co.Feb 16, 1978Feb 16, 1978Feb 20, 19785,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-8-94538————

Perforations

Perforated and open-hole intervals.

FromToType
4,2444,278Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62573412.25430 S
2.3754,212——
4.55,0017.875375 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
00Jan 12, 1984Aug 3, 1981—

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/22130464, documented in the API reference.