TEXAS · WELLS · LUBBOCK COUNTY · API 42-303-30535 · DISTRICT 7B

Sides Unit #4

Y

Lubbock County · Lee Harrison field · Injection  · Vertical

Sides Unit #4 (API 42-303-30535) is a well in Lubbock County operated by Ctoc Energy LLC, completed December 12, 2007 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit, issued January 7, 1980, permitted to 4,840 ft.

It was permitted by Gulf Oil Corp. and has since transferred to Ctoc Energy LLC on the wellbore schedule.

Completion filings report 5 formation tops, including Rustler, Yates, Penrose, Glorieta.

Its 2 leases have reported 961K barrels of oil and 647 mcf of gas since January 1993, last reporting in July 2026. The leases carry 61 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 73.1K barrels injected in the 12 months reported through March 2026.

Operator of record

Ctoc Energy LLC

Permitted by Gulf Oil Corp.; the EWA schedule now lists a different operator.

Based in
Fort Worth, TX
P-5 status
Active (A)
P-5 last filed
Apr 24, 2026
Phone
(817) 334-7804

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleMerit Energy Company
Production reportsCross Timbers Energy, LLCthrough Apr 2026
Latest permitGulf Oil Corp.Jan 7, 1980

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

4,840
total depth, ft
1
permits on file
Jan 7, 1980
last permit issued
Dec 12, 2007
completed
961K
cumulative oil, bbl
647
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 12, 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 2 leases this well is completed on; they carry 61 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Sides Unit O-11-68955Lee HarrisonCross Timbers Energy, LLC57833K0Aug 2006 – Jul 2026
Sides "E" O-11-62134Lee HarrisonMerit Energy Company4128K647Jan 1993 – Mar 2007

Oil, barrels lease total

Last 12 months 23,301 · prior 12 24,037(-3%)

01K2K3K202420252026

Chain of custody

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

  1. 1Pennzoil Petroleum CompanyJan 1993 → Jan 1995
  2. 2Pennzoil Exploration & Prod. Co.Feb 1995 → Feb 1999
  3. 3Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
  4. 4Devon Energy Production Co, L.P.Apr 2000 → Jun 2002
  5. 5Merit Energy CompanyJul 2002 → Dec 2013
  6. 6Cross Timbers Energy, LLCJan 2014 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
68772-99DrillGulf Oil Corp.Jan 7, 1980Jan 7, 1980Jan 10, 19804,900

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 12, 2007Sides Unit O-11-68955Lee HarrisonCtoc Energy LLCInjection4,840
Apr 30, 1990Sides E O-11-62134Lee HarrisonMerit Energy CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 3,131 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler1,5151,616
Yates1,9501,181
Penrose2,653478
GlorietaGLORIETTA4,270-1,139
Clear ForkCLEARFORK4,678-1,547

Perforations

Perforated and open-hole intervals.

FromToType
4,7254,802Perforated
4,7254,813Perforated
4,8114,813Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62538312.25300 S
5.54,8397.8751,500 S
5.54,8407.8751,500 S
2.375———

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
00Nov 14, 2008Jan 11, 2008—
00Aug 16, 2006May 17, 1990—
00May 31, 1990May 17, 1990—
00Jan 12, 1984Feb 19, 1980—

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

73.1K
bbl, last 12 reported months
1.35M
bbl, all reported
Mar 2026
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000097155H-1 InjectionActive1,0002,0004,600–4,850

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

Last 12 months 73,130 · prior 12 86,626(-16%)

05K10K20252026

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/30330535, documented in the API reference.