WELL · 42-389-31577 · DISTRICT 8

Caldwell #1

N

Reeves County · San Martine (Delaware) field  · Vertical

Caldwell #1 (API 42-389-31577) is a well in Reeves County operated by Enron Oil & Gas Company, completed May 17, 1985.

The RRC has issued 2 drilling permits between 1984 and 1998, permitted to 13,000 ft.

Completion filings report 7 formation tops, including Lamar, Cherry Canyon, Brushy Canyon, Burshy Canyon.

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

Operator of record

Enron Oil & Gas Company

Houston, TX · P-5 Y, filed Sep 3, 1999 · 2,825 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEnron Oil & Gas Company
Production reportsRaydenthrough Apr 2026
Latest permitEnron Oil & Gas CompanyNov 19, 1998

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

13,000
total depth, ft
2
permits on file
Nov 19, 1998
last permit issued
May 17, 1985
completed
0
cumulative oil, bbl
644K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
May 17, 1985
Shut in
—
Plugged
—

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Caldwell G-10-172371Smith Caldwell (Fusselman)Rayden10545KApr 1998 – Jul 2026
Caldwell G-10-119708San Martine (Delaware)Enron Oil & Gas Company1099.2KJan 1993 – Apr 1998

Gas, mcf lease total

Last 12 months 9,604 · prior 12 10,039(-4%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Graco Operations CompanyDec 1993 → Sep 1997
  2. 2Enron Oil & Gas CompanyOct 1997 → Sep 1999
  3. 3EOG Resources, Inc.Oct 1999 → Feb 2002
  4. 4RaydenMar 2002 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
480923-99RecompletionEnron Oil & Gas CompanyNov 16, 1998Nov 19, 1998Apr 12, 199810,700
259656-99DrillPennzoil CompanyNov 28, 1984Nov 30, 1984Jan 10, 198513,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-119708————
—— G-10-172371————

Formation tops

As filed on W-2/G-1. Subsea from 3,141 ft elevation.Download CSV →

FormationMD ftSubsea
Lamar3,382-241
Cherry Canyon4,320-1,179
Brushy Canyon5,247-2,106
Burshy Canyon5,247-2,106
Bone Spring6,202-3,061
Wolfcamp8,475-5,334
Fusselman10,305-7,164

Perforations

Perforated and open-hole intervals.

FromToType
3,4563,516Perforated
10,58910,624Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,21417.52,600 S
9.6258,68312.252,250 S
5.510,7138.75350 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
00Apr 27, 1999Jan 19, 1999Yes
00Apr 9, 1999——
00May 23, 1989Apr 17, 1989—
00Feb 10, 1986Dec 31, 1985Yes
00Jan 31, 1986——

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.

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/38931577, documented in the API reference.