TEXAS · WELLS · HEMPHILL COUNTY · CHUMBLEY LEASE · API 42-211-32333 · DISTRICT 08

Chumbley #1

Plugged

Hemphill County · Hemphill (Douglas) field  · Vertical

Chumbley #1 (API 42-211-32333) is a plugged well in Hemphill County, plugged October 17, 2018, last operated by Unit Petroleum Company.

The RRC has issued one drilling permit (amended once), issued January 21, 1999, permitted to 8,660 ft.

Completion filings report 2 formation tops, including Wolfcamp, Douglas.

Operator of record

Unit Petroleum Company

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 Nov 2012
Latest permitUnit Petroleum CompanyJan 21, 1999
8,660
total depth, ft
2
permits on file
Jan 21, 1999
last permit issued
Apr 16, 1999
completed
0
cumulative oil, bbl
590K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 1999 THROUGH Oct 2018

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 16, 1999
Shut in
—
Plugged
Oct 17, 2018

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
Chumbley G-14-172893Hemphill (Douglas)Unit Petroleum Company10590KApr 1999 – Oct 2018

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

Chain of custody

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

  1. 1Unit Petroleum CompanyMay 1999 → Nov 2012

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
482195-98DrillUnit Petroleum CompanyMar 29, 1999Jan 21, 1999Mar 12, 19998,660
482195-99DrillUnit Petroleum CompanyJan 21, 1999Jan 21, 1999—8,660

Completions

CompletedLeaseFieldOperatorStatusDepth
Apr 16, 1999Chumbley G-14-172893Hemphill (Douglas)Unit Petroleum CompanyPlugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,550 ft elevation.Download CSV →

FormationMD ftSubsea
Wolfcamp4,255-1,705
Douglas7,705-5,155

Perforations

Perforated and open-hole intervals.

FromToType
7,9557,965Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,62011565 S
4.58,6607.875275 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
00Jun 10, 1999May 19, 1999Yes
00Jun 2, 1999——

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). 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/21132333, documented in the API reference.