TEXAS · WELLS · GRIMES COUNTY · API 42-185-30452 · DISTRICT 03

Hegar #1H

Plugged

Grimes County · Navasota River (Cretaceous Lwr.) field  · Horizontal

Hegar #1H (API 42-185-30452) is a plugged horizontal well in Grimes County, plugged May 17, 2013, last operated by Enervest Operating L.L.C..

The RRC has issued 2 drilling permits (amended once) between 1994 and 2001, permitted to 16,500 ft.

It was permitted by Chesapeake Operating, Inc. and has since transferred to Enervest Operating L.L.C. on the wellbore schedule.

Completion filings report 3 formation tops, including Austin Chalk, Top Lower-K, Base Lower-K.

Operator of record

Enervest Operating L.L.C.

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

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Jan 13, 2026
Permits on file
1,249
Phone
(713) 659-3500

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEnervest Operating L.L.C.
Production reportsEnervest Operating, L.L.C.through Jul 2010
Latest permitChesapeake Operating, Inc.Nov 9, 2001

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

16,500
total depth, ft
3
permits on file
Nov 9, 2001
last permit issued
Aug 17, 2002
completed
0
cumulative oil, bbl
3.29M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 1994 THROUGH May 2013

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 17, 2002
Shut in
—
Plugged
May 17, 2013

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
Hegar G-3-192047Navasota River (Cretaceous Lwr.)Enervest Operating, L.L.C.101.87MAug 2002 – May 2013
Hegar OL G-3-153005Giddings (Austin Chalk, Gas)Chesapeake Operating, Inc.101.43MAug 1994 – Jan 2003

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. 1Chesapeake Operating, Inc.Aug 1994 → Jun 2009
  2. 2Enervest Operating, L.L.C.Jul 2009 → Jul 2010

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
515206-99RecompletionChesapeake Operating, Inc.Nov 9, 2001Nov 9, 2001Jun 30, 200216,500
424227-98DrillChesapeake Operating, Inc.Nov 17, 1994May 24, 1994—13,400
424227-99DrillChesapeake Operating, Inc.May 24, 1994May 24, 1994Jun 6, 199413,200

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 17, 2002Hegar G-3-192047Navasota River (Cretaceous Lwr.)Enervest Operating L.L.C.Plugged—
Aug 14, 1994Hegar OL G-3-153005Giddings (Austin Chalk Gas)Chesapeake Operating Inc.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 196 ft elevation.Download CSV →

FormationMD ftSubsea
Austin Chalk12,630-12,434
Top Lower-K13,403-13,207
Base Lower-K13,791-13,595

Perforations

Perforated and open-hole intervals.

FromToType
12,67717,227Perforated
12,70916,505Perforated
13,41013,575Perforated
13,41017,389Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
166024175 S
10.752,70014.751,330 S
7.62512,6779.8751,170 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
00Feb 4, 2003Sep 20, 2002Yes
00Jan 8, 2003——
00Mar 17, 1995Sep 12, 1994Yes
00Mar 6, 1995——

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/18530452, documented in the API reference.