TEXAS · WELLS · ZAPATA COUNTY · JACOBA "A" LEASE · API 42-505-33398 · DISTRICT 04
Jacoba A #2
Zapata County · Exsun (Lobo Cons.) field · Producing · Vertical
- Fields on the latest permit · any of 3
- Exsun (Lobo) · Exsun (Wilcox 7900) · Urebeno, South (Wilcox 7000)
- 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.
Jacoba A #2 (API 42-505-33398) is a well in Zapata County operated by Hilcorp Energy Company, completed April 7, 1996 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued February 9, 1996, permitted to 9,960 ft.
It was permitted by Transtexas Gas Corporation 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 23 barrels of oil and 465K mcf of gas since April 1996, last reporting volume in August 2026.
Operator of record
Permitted by Transtexas Gas Corporation; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- 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 schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Aug 2026 |
| Latest permit | Transtexas Gas CorporationFeb 9, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,960
- total depth, ft
- 2
- permits on file
- Feb 9, 1996
- last permit issued
- Apr 7, 1996
- completed
- 23
- cumulative oil, bbl
- 465K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · APR 1996 THROUGH AUG 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 7, 1996
- 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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 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 →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Jacoba "A" G-4-158465 | Exsun (Lobo Cons.) | Hilcorp Energy Company | 1 | 23 | 465K | Apr 1996 – Aug 2026 |
Gas, mcf lease total
Last 12 months 10,221 · prior 12 10,666(-4%)
Wells named Jacoba A
Hilcorp Energy Company's other wells filed under this lease name in Zapata County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Transtexas Gas CorporationApr 1996 → Jun 1996
- 2Houston Exploration Company, TheJul 1996 → May 2007
- 3Forest Oil CorporationJul 2007 → Nov 2012
- 4Hilcorp Energy CompanyMay 2013 → Aug 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 444670-98 | Drill | Transtexas Gas Corporation | Apr 18, 1996 | Feb 9, 1996 | Feb 23, 1996 | 10,000 |
| 444670-99 | Drill | Transtexas Gas Corporation | Feb 9, 1996 | Feb 9, 1996 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 7, 1996 | Jacoba A G-4-158465 | Exsun (Lobo Cons.) | Hilcorp Energy Company | Producing | 9,960 |
Formation tops
As filed on W-2/G-1. Subsea from 380 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 3,800 | -3,420 |
| WilcoxBASE LOWER WILCOX | 6,100 | -5,720 |
| Wills Point | 9,850 | -9,470 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,270 | 9,618 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 758 | 12.25 | 350 S |
| 7 | 6,584 | 8.75 | 340 S |
| 2.875 | 9,941 | 6.5 | 685 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 →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jul 3, 1996 | May 3, 1996 | Yes |
| 00 | Jun 13, 1996 | — | — |
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 42-505-33398 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-33398 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here 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/50533398, documented in the API reference.