TEXAS · WELLS · WHARTON COUNTY · MACH LEASE · API 42-481-33069 · DISTRICT 03

Mach #1

Plugged

Wharton County · El Campo (Yegua) field  · Vertical

Mach #1 (API 42-481-33069) is a plugged well in Wharton County, plugged October 11, 2021, last operated by Hilcorp Energy Company.

The RRC has issued one drilling permit, issued June 15, 1987, permitted to 10,900 ft.

It was permitted by Ladd Petroleum Corp. and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Completion filings report 3 formation tops, including Frio, Vicksburg, Yegua.

Its lease has reported 487K barrels of oil and 6.78M mcf of gas since January 1993, with no volume in the three years through April 2026.

Operator of record

Hilcorp Energy Company

Permitted by Ladd Petroleum Corp.; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active – Extension (X)
P-5 last filed
Mar 27, 2026
Permits on file
3,454
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Aug 2006
Latest permitLadd Petroleum Corp.Jun 15, 1987

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

10,900
total depth, ft
1
permits on file
Jun 15, 1987
last permit issued
Jul 31, 1987
completed
487K
cumulative oil, bbl
6.78M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2006

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jul 31, 1987
Shut in
—
Plugged
Oct 11, 2021

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
Mach G-3-124945El Campo (Yegua)Hilcorp Energy Company1487K6.78MJan 1993 – Aug 2006

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. 1Amax Oil & Gas Inc.Jan 1993 → Mar 1994
  2. 2Union Pacific Resources CompanyApr 1994 → Dec 1994
  3. 3S N D Energy Company, Inc.Jan 1995 → Dec 1999
  4. 4Williams, Clayton Energy, Inc.Jan 2000 → Jun 2002
  5. 5Owl Creek Production Co., Inc.Jul 2002 → Oct 2005
  6. 6Owl Creek Production Co., LLCNov 2005 → Jan 2006
  7. 7Forest Oil CorporationFeb 2006 → Aug 2006

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
331532-99DrillLadd Petroleum Corp.Jun 12, 1987Jun 15, 1987Jul 4, 198710,900

Completions

CompletedLeaseFieldOperatorStatusDepth
Jul 31, 1987Mach G-3-124945El Campo (Yegua)Hilcorp Energy CompanyPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 105 ft elevation.Download CSV →

FormationMD ftSubsea
Frio4,545-4,440
Vicksburg6,430-6,325
Yegua9,370-9,265

Perforations

Perforated and open-hole intervals.

FromToType
9,73810,171Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3752,98017.52,045 S
9.6258,20512.25515 S
5.510,7638.5625 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
00Sep 16, 1987Aug 25, 1987Yes
00Sep 5, 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 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/48133069, documented in the API reference.