TEXAS · WELLS · ZAPATA COUNTY · DE DIOS, JUAN LEASE · API 42-505-35252 · DISTRICT 04

De Dios Juan #4

Y

Zapata County · Exsun (Lobo Cons.) field · Producing  · Vertical

De Dios Juan #4 (API 42-505-35252) is a well in Zapata County operated by Hilcorp Energy Company, completed May 8, 2005 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued April 4, 2005, permitted to 10,940 ft.

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

Completion filings report 2 formation tops, including Lobo, Cretaceous.

Its lease has reported 4.72K barrels of oil and 3.98M mcf of gas since May 2005, last reporting volume in April 2026.

Operator of record

Hilcorp Energy Company

Permitted by Chesapeake Operating, 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 permitChesapeake Operating, Inc.Apr 4, 2005

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

10,940
total depth, ft
1
permits on file
Apr 4, 2005
last permit issued
May 8, 2005
completed
4.72K
cumulative oil, bbl
3.98M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2005 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 8, 2005
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
De Dios, Juan G-4-211414Exsun (Lobo Cons.)Hilcorp Energy Company14.72K3.98MMay 2005 – Apr 2026

Gas, mcf lease total

Last 12 months 36,627 · prior 12 37,399(-2%)

02K4K202420252026

Chain of custody

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

  1. 1Chesapeake Operating, Inc.May 2005 → Aug 2014
  2. 2Hilcorp Energy CompanySep 2014 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
559904-99DrillChesapeake Operating, Inc.Apr 4, 2005Apr 4, 2005Apr 7, 200513,000

Completions

CompletedLeaseFieldOperatorStatusDepth
May 8, 2005De Dios Juan G-4-211414Exsun (Lobo Cons.)Hilcorp Energy CompanyProducing10,940

Formation tops

As filed on W-2/G-1. Subsea from 475 ft elevation.Download CSV →

FormationMD ftSubsea
Lobo8,330-7,855
Cretaceous10,540-10,065

Perforations

Perforated and open-hole intervals.

FromToType
8,4449,866Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62576512.25301 S
76,6458.75325 S
4.510,8856.25400 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
00Dec 9, 2005Jul 25, 2005Yes
00Oct 12, 2005——

Well logs

The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.

Open the RRC's log search for this well ↗

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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/50535252, documented in the API reference.