TEXAS · WELLS · EASTLAND COUNTY · CANTWELL UNIT LEASE · API 42-133-32901 · DISTRICT 6E

Cantwell Unit #1

Shut in

Eastland County · Ranger NW (Marble Falls) field · Temp Abandoned  · Vertical

Cantwell Unit #1 (API 42-133-32901) is a well in Eastland County operated by Eastland Operating L.L.C., completed June 10, 1981 and listed as temp abandoned on the RRC schedule, shut in February 1, 2006.

The RRC has issued one drilling permit, issued March 12, 1981, permitted to 3,475 ft.

It was permitted by Ridge Oil Company and has since transferred to Eastland Operating L.L.C. on the wellbore schedule.

Completion filings report 3 formation tops, including Caddo, Lake Sand, Marble Falls.

Its lease has reported 134 barrels of oil and 37.1K mcf of gas since January 1993, with no volume in the three years through April 2026.

Operator of record

Eastland Operating L.L.C.

Permitted by Ridge Oil Company; the EWA schedule now lists a different operator.

Based in
Ranger, TX
P-5 status
Active (A)
P-5 last filed
Feb 11, 2026
Permits on file
3
Phone
(254) 647-5181

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEastland Operating L.L.C.
Production reportsEastland Operating, L.L.C.through May 2007
Latest permitRidge Oil CompanyMar 12, 1981

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

3,475
total depth, ft
1
permits on file
Mar 12, 1981
last permit issued
Jun 10, 1981
completed
134
cumulative oil, bbl
37.1K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2007

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 10, 1981
Shut in
Feb 1, 2006
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
Cantwell Unit G-8-125393Ranger,nw (Marble Falls)Eastland Operating, L.L.C.113437.1KJan 1993 – May 2007

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. 1Mustang Oil & Gas CorporationJan 1993 → Jun 1998
  2. 2Gruy Petroleum Management Co.Jul 1998 → Jan 1999
  3. 3R & B Energy Co.Feb 1999 → Nov 1999
  4. 4Eastland Operating, L.L.C.Dec 1999 → May 2007

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
111939-99DrillRidge Oil CompanyMar 12, 1981Mar 12, 1981—3,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Jun 10, 1981Cantwell Unit G-8-125393Ranger NW (Marble Falls)Eastland Operating L.L.C.Temp Abandoned · shut in Feb 1, 20063,475
Jun 10, 1981Cantwell Unit O-8-17295Ranger NW (Marble Falls)Ridge Oil CompanyNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 1,601 ft elevation.Download CSV →

FormationMD ftSubsea
CaddoCADDO LS3,102-1,501
Lake Sand3,310-1,709
Marble FallsMARBLE FALLS LS.3,416-1,815

Perforations

Perforated and open-hole intervals.

FromToType
3,4203,444Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62521311125 S
2.3753,460——
4.53,4757.875120 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Nov 17, 1987Oct 19, 1987—
00Nov 13, 1987——
00Jan 12, 1984Jun 23, 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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it.

Find logs withinmiles of this well:List →Map →

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/13332901, documented in the API reference.