WELL · 42-003-39219 · DISTRICT 8

Serio (Grayburg)unit #104

Y

Andrews County · Serio (Grayburg) field · Injection  · Vertical

Serio (Grayburg)Unit #104 (API 42-003-39219) is a well in Andrews County operated by Fasken Oil And Ranch Ltd., completed September 21, 2004 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit, issued February 27, 2004, permitted to 4,925 ft.

Completion filings report 4 formation tops, including Rustler, Yates, Queen, Grayburg.

Its 2 leases have reported 2.97M barrels of oil and 369K mcf of gas since January 1993, last reporting in July 2026. The leases carry 86 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 207K barrels injected in the 12 months reported through February 2026.

Operator of record

Fasken Oil and Ranch Ltd.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Nov 14, 2025
Permits on file
2,057
Phone
(432) 687-1777

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleFasken Oil and Ranch Ltd.
Production reportsFasken Oil and Ranch, Ltd.through Mar 2026
Latest permitFasken Oil and Ranch, Ltd.Feb 27, 2004
4,925
total depth, ft
1
permits on file
Feb 27, 2004
last permit issued
Sep 21, 2004
completed
2.97M
cumulative oil, bbl
369K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 21, 2004
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 2 leases this well is completed on; they carry 86 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Fee -Y- O-10-23655Serio (Grayburg)Fasken Oil and Ranch, Ltd.341.43M210KJan 1993 – Jul 2026
Serio (Grayburg)unit O-10-37270Serio (Grayburg)Fasken Oil and Ranch, Ltd.521.54M159KMay 2004 – Jul 2026

Oil, barrels lease total

Last 12 months 41,779 · prior 12 43,175(-3%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 3,960 · prior 12 3,860(+3%)

05001K202420252026

Chain of custody

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

  1. 1Fasken, BarbaraJan 1993 → Dec 1995
  2. 2Fasken Oil and Ranch, Ltd.Jan 1996 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
542514-99DrillFasken Oil and Ranch, Ltd.Feb 25, 2004Feb 27, 2004Jun 24, 20045,100

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 21, 2004Serio (Grayburg)unit O-10-37270Serio (Grayburg)Fasken Oil and Ranch Ltd.Injection4,925
Sep 21, 2004Serio (Grayburg)unit O-10-37270Serio (Grayburg)Fasken Oil and Ranch Ltd.Not on Schedule—
Sep 21, 2004Fee -Y- O-10-23655Serio (Grayburg)Fasken Oil and Ranch Ltd.Not on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 2,920 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler1,8721,048
Yates2,967-47
Queen3,689-769
Grayburg4,428-1,508

Perforations

Perforated and open-hole intervals.

FromToType
4,7264,779Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,68512.25625 S
5.54,9257.875225 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
00Jul 10, 2024Sep 23, 2004Yes
00Jun 17, 2024Sep 23, 2004Yes
00Jan 27, 2005Sep 23, 2004Yes
00Nov 12, 2004——

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

207K
bbl, last 12 reported months
3.15M
bbl, all reported
Feb 2026
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000094102H-1 InjectionActive1,0001,5004,455–4,948

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

Last 12 months 206,874 · prior 12 151,617(+36%)

010K20K30K20252026

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

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