TEXAS · WELLS · HEMPHILL COUNTY · BROCK -A- LEASE · API 42-211-31094 · DISTRICT 08

Brock -A- #4063

Plugged

Hemphill County · Hemphill (Granite Wash.) field  · Vertical

Brock -A- #4063 (API 42-211-31094) is a plugged well in Hemphill County, plugged December 27, 2021, last operated by Unit Petroleum Company.

The RRC has issued one drilling permit, issued May 1, 1979, permitted to 10,950 ft.

It was permitted by Anadarko Production Company and has since transferred to Unit Petroleum Company on the wellbore schedule.

Its lease has reported 6.46K barrels of oil and 705K mcf of gas since the record begins in January 1993, with no volume in the three years through April 2026.

Operator of record

Unit Petroleum Company

Permitted by Anadarko Production Company; the EWA schedule now lists a different operator.

Based in
Tulsa, OK
P-5 status
Active (A)
P-5 last filed
Jan 13, 2025
Permits on file
1,100
Phone
(918) 493-7700

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUnit Petroleum Company
Production reportsUnit Petroleum Companythrough Apr 2009
Latest permitAnadarko Production CompanyMay 1, 1979

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

10,950
total depth, ft
1
permits on file
May 1, 1979
last permit issued
Aug 22, 1979
completed
6.46K
cumulative oil, bbl
705K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH APR 2009

On this pageLease production

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 22, 1979
Shut in
—
Plugged
Dec 27, 2021

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.

Loading the map…

Open the full map →

Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

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
Brock -A- G-14-84753Hemphill (Granite Wash.)Unit Petroleum Company16.46K705Kby Jan 1993 – Apr 2009

No volumes reported on these leases in the last three years.

Wells named Brock -A-

Unit Petroleum Company's other wells filed under this lease name in Hemphill 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 wells

Chain of custody

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

  1. 1Anadarko Petroleum CorporationJan 1993 → Nov 1999
  2. 2Enervest Operating, L.L.C.Dec 1999 → Jan 2003
  3. 3Centurion Resources, LLCFeb 2003 → Apr 2009

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
47577-99DrillAnadarko Production CompanyMay 1, 1979May 1, 1979Jun 21, 197910,950

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 22, 1979Brock -A- G-14-84753Hemphill (Granite Wash.)Unit Petroleum CompanyPlugged—

Perforations

Perforated and open-hole intervals.

FromToType
10,46410,600Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6253,21012.252,100 S
2.37510,408——
4.511,0007.875325 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 12, 1984Oct 24, 1979—

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.

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/21131094, documented in the API reference.