TEXAS · WELLS · ECTOR COUNTY · SHASHKA LEASE · API 42-135-38847 · DISTRICT 7B

Shashka #1

Y

Ector County · Arbol de Nada (Devonian) field · Producing  · Horizontal

Shashka #1 (API 42-135-38847) is a horizontal well in Ector County operated by Hilcorp Energy Company, completed February 4, 2006 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits in 2005, permitted to 8,480 ft.

It was permitted by Oxy USA Wtp LP and has since transferred to Hilcorp Energy Company on the wellbore schedule.

Completion filings report 3 formation tops, including Clear Fork, Wichita-Albany, Devonian.

Its lease has reported 48.3K barrels of oil and 592K mcf of gas since May 2005, last reporting in July 2026.

Operator of record

Hilcorp Energy Company

Permitted by OXY USA WTP LP; 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
3,454
Phone
(713) 209-2400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHilcorp Energy Company
Production reportsOXY USA WTP LPthrough Apr 2026
Latest permitOXY USA WTP LPDec 14, 2005

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

8,480
total depth, ft
2
permits on file
Dec 14, 2005
last permit issued
Feb 4, 2006
completed
48.3K
cumulative oil, bbl
592K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 4, 2006
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
Shashka O-10-37604Arbol de Nada (Devonian)Hilcorp Energy Company148.3K592KMay 2005 – Jul 2026

Gas, mcf lease total

Last 12 months 4,492 · prior 12 18,235(-75%)

02K4K202420252026

Oil, barrels lease total

Last 12 months 492 · prior 12 439(+12%)

050100202420252026

Chain of custody

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

  1. 1OXY USA WTP LPMay 2005 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
610832-99RecompletionOXY USA WTP LPDec 9, 2005Dec 14, 2005Jan 9, 20069,000
558085-99DrillOXY USA WTP LPFeb 23, 2005Feb 23, 2005Mar 27, 20059,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 4, 2006Shashka O-10-37604Arbol de Nada (Devonian)Hilcorp Energy CompanyProducing8,480
Feb 4, 2006Shashka O-10-37604Arbol de Nada (Devonian)Hilcorp Energy CompanyProducing8,480

Formation tops

As filed on W-2/G-1. Subsea from 3,346 ft elevation.Download CSV →

FormationMD ftSubsea
Clear ForkCLEARFORK6,184-2,838
Wichita-AlbanyWICHITA ALBANY6,762-3,416
Devonian7,968-4,622

Perforations

Perforated and open-hole intervals.

FromToType
7,9989,133Perforated
8,0378,166Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37535417.5350 S
8.6253,810111,100 S
5.58,4807.8751,375 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Apr 9, 2007Sep 18, 2006Yes
00Mar 30, 2006Jun 8, 2005Yes
00Dec 30, 2005——

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 are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/13538847, documented in the API reference.