TEXAS · WELLS · ZAPATA COUNTY · JENNINGS LEASE · API 42-505-32475 · DISTRICT 04

Jennings #56

Y

Zapata County · Jennings (Lobo) field · Producing  · Vertical

Fields on the latest permit · any of 2
El Huerfano (10800) · Munoz (Lobo)
Not one formation; the well must be completed in one of them, and no target formation is stated. The district's wildcat field is also on the permit.

Jennings #56 (API 42-505-32475) is a well in Zapata County operated by Hilcorp Energy Company, completed November 17, 1988 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued July 29, 1988, permitted to 14,000 ft.

It was permitted by Pennzoil Exploration & Prod. CO. and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Completion filings report 6 formation tops, including Rosenberg, Bruni, Crockett, Queen City.

Its lease has reported 181 barrels of oil and 435K mcf of gas since January 1993, last reporting volume in April 2026.

Operator of record

Hilcorp Energy Company

Permitted by Pennzoil Exploration & Prod. Co.; 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
3,458
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsHilcorp Energy Companythrough Apr 2026
Latest permitPennzoil Exploration & Prod. Co.Jul 29, 1988

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

14,000
total depth, ft
1
permits on file
Jul 29, 1988
last permit issued
Nov 17, 1988
completed
181
cumulative oil, bbl
435K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 17, 1988
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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
Jennings G-4-129448Jennings (Lobo)Hilcorp Energy Company1181435KJan 1993 – Apr 2026

Gas, mcf lease total

Last 12 months 5,294 · prior 12 5,551(-5%)

05001K202420252026

Chain of custody

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

  1. 1Pennzoil Exploration & Prod. Co.Jan 1993 → Dec 1998
  2. 2Pennzenergy Exp. & Prod., L.L.C.Jul 1999 → Mar 2000
  3. 3Devon Energy Production Co, L.P.Apr 2000 → Jul 2014
  4. 4Linn Operating, Inc.Aug 2014 → Apr 2017
  5. 5Linn Operating, LLCMay 2017 → Jul 2017
  6. 6Hilcorp Energy CompanyAug 2017 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
349575-99DrillPennzoil Exploration & Prod. Co.Jul 29, 1988Jul 29, 1988—14,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 17, 1988Jennings G-4-129448Jennings (Lobo)Hilcorp Energy CompanyProducing14,000

Formation tops

As filed on W-2/G-1. Subsea from 480 ft elevation.Download CSV →

FormationMD ftSubsea
Rosenberg1,410-930
Bruni1,905-1,425
Crockett3,255-2,775
Queen City4,100-3,620
Wilcox6,960-6,480
Lobo12,130-11,650

Perforations

Perforated and open-hole intervals.

FromToType
13,17413,372Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37566517.5559 S
9.6256,91512.25890 S
2.87514,0006.6251,108 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
00Mar 21, 1989Jan 6, 1989Yes
00Jan 17, 1989——

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/50532475, documented in the API reference.