WELL · 42-059-35721 · DISTRICT 7

Windham Frank #1B

Plugged

Callahan County · Durango (Cook) field  · Vertical

Windham Frank #1B (API 42-059-35721) is a plugged well in Callahan County, plugged December 31, 2008, last operated by Telesis Operating CO. Inc..

The RRC has issued 2 drilling permits between 1987 and 1991, permitted to 4,500 ft.

It was permitted by Durango Operating CO., Inc. and has since transferred to Telesis Operating CO. Inc. on the wellbore schedule.

Completion filings report 3 formation tops, including Cook, Caddo, Ellenburger.

Its 2 leases have reported 13.3K barrels of oil and 31.2K mcf of gas since January 1993, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.

Operator of record

Telesis Operating Co. Inc.

Permitted by Durango Operating Co., Inc.; the EWA schedule now lists a different operator.

Fort Worth, TX · P-5 Y, filed Mar 4, 2026 · 337 permits on file · (817) 713-9118

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTelesis Operating Co. Inc.
Production reportsTelesis Operating Co., Inc.through Jun 2007
Latest permitDurango Operating Co., Inc.Nov 19, 1991

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

4,500
total depth, ft
2
permits on file
Nov 19, 1991
last permit issued
Aug 5, 1991
completed
13.3K
cumulative oil, bbl
31.2K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 5, 1991
Shut in
—
Plugged
Dec 31, 2008

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 8 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Windham, Frank O-8-18978Durango (Cook)Telesis Operating Co., Inc.813.3K31.2KJan 1993 – Jul 2026
— O-8-24383——000—

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. 1Durango Operating Co., Inc.Jan 1993 → May 1994
  2. 2Demand Energy, Inc.Jun 1994 → Jul 1999
  3. 3McClymond, Inc.Aug 1999 → Jan 2000
  4. 4Ram OperatingFeb 2000 → Aug 2002
  5. 5Bara CorporationOct 2002 → Apr 2004
  6. 6Telesis Operating Co., Inc.May 2004 → Jun 2007

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
392974-99RecompletionDurango Operating Co., Inc.Oct 31, 1991Nov 19, 1991Jul 30, 19911,300
327225-99DrillMaddox Oil CompanyMar 2, 1987Mar 4, 1987—4,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-8-18978————
—— O-8-24383————

Formation tops

As filed on W-2/G-1. Subsea from 1,844 ft elevation.Download CSV →

FormationMD ftSubsea
Cook1,190654
Cook1,191653
Cook1,192652
Caddo3,427-1,583
Ellenburger4,197-2,353

Perforations

Perforated and open-hole intervals.

FromToType
1,1901,225Perforated
1,1921,193Perforated
4,2164,224Perforated
4,2324,234Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62513512.2590 S
4.51,3007.875150 S
4.54,2607.875250 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 26, 1996May 28, 1996—
00Mar 4, 1992Sep 12, 1991Yes
00Dec 12, 1991——
00Jun 25, 1987Jun 19, 1987Yes
00Jun 24, 1987——

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

0
bbl, last 12 reported months
470K
bbl, all reported
Jan 2008
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000081556H-1 InjectionPlugged Jan 13, 20095005501,190–1,225

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

Last 12 months 0 · prior 12 0

0120072008

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/05935721, documented in the API reference.