WELL · 42-215-32556 · DISTRICT 4
Castillo Deep Gas Unit #4
Hidalgo County · Jeffress NE. (Vicksburg Lo.) field · Vertical
Castillo Deep Gas Unit #4 (API 42-215-32556) is a well in Hidalgo County operated by El Paso Production Oil & Gas CO., completed August 23, 1998.
The RRC has issued 2 drilling permits (amended once) between 1998 and 1999, permitted to 14,500 ft.
It was permitted by Coastal Oil & Gas Corporation and has since transferred to El Paso Production Oil & Gas CO. on the wellbore schedule.
Completion filings report 18 formation tops, including K-1 Sand, K-1 Sd, K-1 Sd., L Sd.
No lease production has been reported under this well’s leases.
Operator of record
EL Paso Production Oil & Gas Co.
Permitted by Coastal Oil & Gas Corporation; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Aug 30, 2016
- Permits on file
- 616
- Phone
- (713) 420-2600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | EL Paso Production Oil & Gas Co. |
| Production reports | Merit Energy Companythrough Nov 2024 |
| Latest permit | Coastal Oil & Gas CorporationJul 6, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,500
- total depth, ft
- 3
- permits on file
- Jul 6, 1999
- last permit issued
- Aug 23, 1998
- completed
- 0
- cumulative oil, bbl
- 869K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1998 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 23, 1998
- Shut in
- —
- Plugged
- —
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 4 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Castillo Deep GU G-4-172620 | Jeffress, NE. (T, Lo.-Fb,a) | Merit Energy Company | 1 | 0 | 0 | Aug 1998 – Jul 2026 |
| Castillo Deep GU G-4-174563 | Jeffress, NE. (Vicksburg T) | Merit Energy Company | 1 | 0 | 695K | Jul 1999 – Jul 2026 |
| Castillo Deep GU G-4-178104 | Jeffress, NE. (Vicksburg, Lo.) | Merit Energy Company | 1 | 0 | 0 | Aug 1999 – Jul 2026 |
| Castillo Deep Gas Unit G-4-170210 | Jeffress, NE. (Vicksburg, Lo.) | EL Paso Production Oil & Gas Co. | 1 | 0 | 174K | Jul 1998 – Jul 2001 |
Gas, mcf lease total
Last 12 months 0 · prior 12 31(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Coastal Oil & Gas CorporationJul 1998 → Jun 2001
- 2EL Paso Production Oil & Gas Co.Jul 2001 → Jul 2006
- 3EL Paso E & P Company, L. P.Aug 2006 → Jul 2012
- 4EP Energy E&P Company, L.P.Aug 2012 → Oct 2013
- 5Cantera Operating, LLCDec 2013 → Mar 2017
- 6Merit Energy CompanyFeb 2018 → Nov 2024
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 485643-98 | Recompletion | Coastal Oil & Gas Corporation | Aug 5, 1999 | Jul 6, 1999 | Jun 24, 1999 | 13,196 |
| 485643-99 | Recompletion | Coastal Oil & Gas Corporation | Jul 6, 1999 | Jul 6, 1999 | — | 14,000 |
| 476668-99 | Drill | Coastal Oil & Gas Corporation | May 28, 1998 | May 28, 1998 | May 31, 1998 | 14,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-170210 | — | — | — | — |
| — | — G-4-172620 | — | — | — | — |
| — | — G-4-174563 | — | — | — | — |
| — | — G-4-178104 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 306 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| K-1 Sand | 7,900 | -7,594 |
| K-1 SD | 7,900 | -7,594 |
| K-1 Sd. | 7,900 | -7,594 |
| L SD | 8,523 | -8,217 |
| L Sand | 8,533 | -8,227 |
| L Sd. | 8,533 | -8,227 |
| P Sand | 9,812 | -9,506 |
| P SD | 9,812 | -9,506 |
| P Sd. | 9,812 | -9,506 |
| T Sand | 10,125 | -9,819 |
| T SD | 10,125 | -9,819 |
| T Sd. | 10,125 | -9,819 |
| Lower T Sand | 11,279 | -10,973 |
| Lower T Sand | 11,297 | -10,991 |
| Lower T SD | 11,297 | -10,991 |
| Lwr. T Sd. | 11,297 | -10,991 |
| U Sand | 12,664 | -12,358 |
| U SD | 12,664 | -12,358 |
| U Sd. | 12,664 | -12,358 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,437 | 10,610 | Perforated |
| 10,437 | 10,765 | Perforated |
| 10,646 | 10,765 | Perforated |
| 11,298 | 11,486 | Perforated |
| 12,676 | 12,773 | Perforated |
| 12,894 | 12,951 | Perforated |
| 12,976 | 12,773 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,035 | 17.5 | 1,234 S |
| 9.625 | 7,712 | 12.25 | 825 S |
| 7.625 | 11,879 | 8.5 | 275 S |
| 4.5 | 13,296 | 6.5 | 290 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. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 11, 2005 | Jan 12, 2005 | — |
| 00 | Oct 13, 2000 | May 12, 2000 | — |
| 00 | Oct 10, 2000 | May 19, 2000 | — |
| 00 | Aug 16, 2000 | — | — |
| 00 | Nov 19, 1999 | Oct 15, 1999 | Yes |
| 00 | Oct 28, 1999 | — | — |
| 00 | May 18, 1999 | Mar 23, 1999 | — |
| 00 | May 3, 1999 | — | — |
| 00 | Oct 26, 1998 | Oct 5, 1998 | Yes |
| 00 | Oct 9, 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.
- Wellbore filings for 42-215-32556 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-215-32556 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
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/21532556, documented in the API reference.