42-215-32556

Final Completion

CASTILLO DEEP GAS UNIT

HIDALGO County · District 4 · EL PASO PRODUCTION OIL & GAS CO. · JEFFRESS NE. (VICKSBURG LO.)

Permits

3

Max Depth

14,500 ft

First Permit

1998-05-28

Latest Activity

1999-07-06

Lifespan

1 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1998-08-23

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: EL PASO PRODUCTION OIL & GAS CO. ≠ Production: MERIT ENERGY COMPANY (reported 2024-11)

!

EWA / Permit operator mismatch

Scheduling: EL PASO PRODUCTION OIL & GAS CO. ≠ Permit: COASTAL OIL & GAS CORPORATION

Resolved via: schedulingEL PASO PRODUCTION OIL & GAS CO.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1998-07

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (19) Elevation 306 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
K-1 SAND7,900 ft-7,594 ft
K-1 SD7,900 ft-7,594 ft
K-1 SD.7,900 ft-7,594 ft
L SD8,523 ft-8,217 ft
L SAND8,533 ft-8,227 ft
L SD.8,533 ft-8,227 ft
P SAND9,812 ft-9,506 ft
P SD9,812 ft-9,506 ft
P SD.9,812 ft-9,506 ft
T SAND10,125 ft-9,819 ft
T SD10,125 ft-9,819 ft
T SD.10,125 ft-9,819 ft
LOWER T SAND11,279 ft-10,973 ft
LOWER T SAND11,297 ft-10,991 ft
LOWER T SD11,297 ft-10,991 ft
LWR. T SD.11,297 ft-10,991 ft
U SAND12,664 ft-12,358 ft
U SD12,664 ft-12,358 ft
U SD.12,664 ft-12,358 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (7)

IntervalType
10,437–10,610 ftPerforated
10,437–10,765 ftPerforated
10,646–10,765 ftPerforated
11,298–11,486 ftPerforated
12,676–12,773 ftPerforated
12,894–12,951 ftPerforated
12,976–12,773 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"2,035 ft1,234 sx
9.625"7,712 ft825 sx
7.625"11,879 ft275 sx
4.5"13,296 ft290 sx

Permit History (3)

Applications (3)

#485643 A COASTAL OIL & GAS CORPORATION
received 1999-08-05
#485643 A COASTAL OIL & GAS CORPORATION
received 1999-07-06
#476668 A COASTAL OIL & GAS CORPORATION
received 1998-05-28

Records & Logs

10 completion filings on record · 2 with log images at RRC.

W-2/G-1 2005-01-12
W-2/G-1 2000-05-12
W-2/G-1 2000-05-19
W-2/G-1 2000-08-16
W-2/G-1 1999-10-15 log on file
W-2/G-1 1999-10-28

+4 more filings

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in HIDALGO County.

Well Details

Well Number
4
Max Depth
14,500 ft
Drill Type
Vertical
County
HIDALGO
District
4
Completed
1998-08-23

Operator

Location
HOUSTON
P-5 Status
Delinquent (filed 2016-08-30)
Cum Oil (all leases)
110,408 bbl
Cum Gas (all leases)
986,994,873 mcf
Activities
G/PUR, GTHS/G, OPRS/G
Total Permits
616