TEXAS · WELLS · ZAPATA COUNTY · CUELLAR, MARIA LEASE · API 42-505-33769 · DISTRICT 04

Cuellar Maria #11

Y

Zapata County · Cisco-Benavides (Lobo Cons.) field · Producing  · Vertical

Cuellar Maria #11 (API 42-505-33769) is a well in Zapata County operated by Hilcorp Energy Company, completed December 18, 1998 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued March 4, 1998, permitted to 9,600 ft.

It was permitted by Conoco Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Completion filings report 2 formation tops, including Wilcox, Wills Point.

Its lease has reported 791 barrels of oil and 2.16M mcf of gas since July 1998, last reporting volume in April 2026.

Operator of record

Hilcorp Energy Company

Permitted by Conoco Inc.; 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 permitConoco Inc.Mar 4, 1998

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

9,600
total depth, ft
2
permits on file
Mar 4, 1998
last permit issued
Dec 18, 1998
completed
791
cumulative oil, bbl
2.16M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 1998 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Dec 18, 1998
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
Cuellar, Maria G-4-169791Cisco-Benavides (Lobo Cons.)Hilcorp Energy Company17912.16MJul 1998 – Apr 2026

Gas, mcf lease total

Last 12 months 15,462 · prior 12 18,247(-15%)

02K4K202420252026

Chain of custody

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

  1. 1Conoco Inc.Jul 1998 → Dec 2001
  2. 2Houston Exploration Company, TheFeb 2002 → Jun 2007
  3. 3Forest Oil CorporationJul 2007 → Dec 2012
  4. 4Hilcorp Energy CompanyJan 2013 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
474006-98DrillConoco Inc.May 5, 1998Mar 4, 1998Jun 27, 199810,100
474006-99DrillConoco Inc.Mar 4, 1998Mar 4, 1998—10,100

Completions

CompletedLeaseFieldOperatorStatusDepth
Dec 18, 1998Cuellar Maria G-4-169791Cisco-Benavides (Lobo Cons.)Hilcorp Energy CompanyProducing9,600

Formation tops

As filed on W-2/G-1. Subsea from 407 ft elevation.Download CSV →

FormationMD ftSubsea
WilcoxBASE OF LOWER WILCOX7,700-7,293
Wills Point9,600-9,193

Perforations

Perforated and open-hole intervals.

FromToType
7,7437,778Perforated
8,1188,146Perforated
8,4458,461Perforated
8,4459,280Perforated
8,7948,804Perforated
9,2209,230Perforated
9,2609,280Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62549012.25215 S
76,6168.75255 S
4.59,6006.25300 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
00Feb 22, 2010Dec 11, 2009—
00Jul 24, 2000Jun 13, 2000Yes
00Mar 3, 1999Jan 15, 1999—
00Sep 25, 1998Sep 8, 1998Yes
00Sep 15, 1998——

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/50533769, documented in the API reference.