WELL · 42-291-32140 · DISTRICT 3

Nelson Trust #1

N

Liberty County · Numbat (LY-6 Cook Mountain) field  · Sidetrack

Nelson Trust #1 (API 42-291-32140) is a well in Liberty County operated by Greenhill Petroleum Corporation, completed August 25, 1992.

The RRC has issued 2 drilling permits (amended once) between 1992 and 1994, permitted to 14,400 ft.

Completion filings report 2 formation tops, including Frio, Cockfield.

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

Operator of record

Greenhill Petroleum Corporation

Houston, TX · P-5 Y, filed Mar 6, 1998 · 95 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleGreenhill Petroleum Corporation
Production reportsCimarex Energy Co. of Coloradothrough May 2007
Latest permitGreenhill Petroleum CorporationDec 9, 1994

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

14,400
total depth, ft
3
permits on file
Dec 9, 1994
last permit issued
Aug 25, 1992
completed
0
cumulative oil, bbl
1.51M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 25, 1992
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Nelson Trust G-3-152795Lost Ranch (LY-4 Yegua)TC Oil and Gas, LLC101.43MDec 1994 – Jul 2026
Nelson Trust O-3-23780Lost Ranch (LY-4 Yegua)Cimarex Energy Co. of Colorado100Feb 2000 – Mar 2008
Nelson Trust G-3-142921Numbat (LY-6 Cook Mountain)Greenhill Petroleum Corporation1072KJan 1993 – Mar 1995

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. 1Greenhill Petroleum CorporationJan 1993 → Nov 1997
  2. 2Pioneer Natural Res. (GPC), Inc.Dec 1997 → Apr 1998
  3. 3Pioneer Natural Res. USA, Inc.May 1998 → Jun 1999
  4. 4Prize Operating CompanyJul 1999 → Mar 2002
  5. 5Gruy Petroleum Management Co.Apr 2002 → Apr 2006
  6. 6Cimarex Energy Co. of ColoradoMay 2006 → May 2007

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
430349-99RecompletionGreenhill Petroleum CorporationNov 23, 1994Dec 9, 1994—14,231
395547-98Drill · sidetrackGreenhill Petroleum CorporationAug 17, 1992Jan 8, 1992Mar 26, 199214,231
395547-99DrillGreenhill Petroleum CorporationJan 2, 1992Jan 8, 1992—14,400

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-3-142921————
—— G-3-152795————
—— O-3-23780————

Formation tops

As filed on W-2/G-1. Subsea from 38 ft elevation.Download CSV →

FormationMD ftSubsea
FrioTOP FRIO5,760-5,722
FrioBASE FRIO7,870-7,832
Cockfield11,125-11,087

Perforations

Perforated and open-hole intervals.

FromToType
13,34813,376Perforated
13,99214,066Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3753,64417.52,410 S
9.62510,99512.251,806 S
5.514,2308.51,500 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
00Mar 20, 2001Dec 15, 2000—
00Apr 3, 2000Feb 24, 2000—
00Mar 22, 2000——
00Feb 28, 1995Jan 27, 1995Yes
00Feb 13, 1995—Yes
00Dec 22, 1992Oct 30, 1992Yes
00Nov 30, 1992——

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.

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/29132140, documented in the API reference.