TEXAS · WELLS · SCHLEICHER COUNTY · HEMPHILL LEASE · API 42-413-31329 · DISTRICT 6E

Hemphill #1

Y

Schleicher County · Ozona NE. (Canyon 7520) field · Producing  · Vertical

Hemphill #1 (API 42-413-31329) is a well in Schleicher County operated by Zarvona Energy LLC, completed September 9, 1983 and listed as producing on the RRC schedule.

The RRC has issued 2 drilling permits in 1983, permitted to 8,646 ft.

It was permitted by Thompson, J. Cleo and has since transferred to Zarvona Energy LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Canyon, Strawn, Ellenburger.

Its lease has reported 6.48K barrels of oil and 546K mcf of gas since January 1993, last reporting volume in February 2026.

Operator of record

Zarvona Energy LLC

Permitted by Thompson, J. Cleo; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Jun 2, 2026
Permits on file
98
Phone
(713) 600-0600

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleZarvona Energy LLC
Production reportsZarvona Energy LLCthrough Feb 2026
Latest permitThompson, J. CleoNov 4, 1983

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

8,646
total depth, ft
2
permits on file
Nov 4, 1983
last permit issued
Sep 9, 1983
completed
6.48K
cumulative oil, bbl
546K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Sep 9, 1983
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
Hemphill G-9-108475Ozona, NE. (Canyon 7520)Zarvona Energy LLC16.48K546KJan 1993 – Feb 2026

Gas, mcf lease total

Last 12 months 1,773 · prior 12 1,437(+23%)

0200400600202420252026

Chain of custody

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

  1. 1Thompson, J. CleoJan 1993 → Jun 2008
  2. 2Approach Operating LLCJul 2008 → Sep 2020
  3. 3Zarvona Energy LLCOct 2020 → Feb 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
223463-99DrillThompson, J. CleoOct 14, 1983Nov 4, 1983—8,646
202840-99DrillThompson, J. CleoJul 18, 1983Jul 26, 1983Aug 15, 19839,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 9, 1983Hemphill G-9-108475Ozona NE. (Canyon 7520)Zarvona Energy LLCProducing8,646

Formation tops

As filed on W-2/G-1. Subsea from 2,451 ft elevation.Download CSV →

FormationMD ftSubsea
Canyon7,310-4,859
Strawn8,444-5,993
EllenburgerELLENBERGER8,615-6,164

Perforations

Perforated and open-hole intervals.

FromToType
7,6237,687Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,5337.875600 S
4.57,8797.875400 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
00Jan 19, 1984Oct 11, 1983—

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its search.

Find logs withinmiles of this well:List →Map →

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/41331329, documented in the API reference.