WELL · 42-483-31492 · DISTRICT 10

Hefley #2037

N

Wheeler County · Buffalo Wallow (a Chert Zone) field  · Vertical

Hefley #2037 (API 42-483-31492) is a well in Wheeler County operated by Seagull Midcon Inc., completed February 13, 1997.

The RRC has issued 3 drilling permits (amended once) between 1996 and 2011, permitted to 14,700 ft.

It was permitted by Devon Energy Production CO, L.P. and has since transferred to Seagull Midcon Inc. on the wellbore schedule.

Completion filings report 7 formation tops, including Brown Dolo., Brown Dolomite, Tonkawa, Cleveland.

No lease production has been reported under this well’s leases.

Operator of record

Seagull Midcon Inc.

Permitted by Devon Energy Production Co, L.P.; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Dec 4, 1998 · 101 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleSeagull Midcon Inc.
Production reportsMmgl Txph, LLCthrough Apr 2026
Latest permitDevon Energy Production Co, L.P.Dec 8, 2011

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

14,700
total depth, ft
4
permits on file
Dec 8, 2011
last permit issued
Feb 13, 1997
completed
0
cumulative oil, bbl
9.11M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Feb 1997 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Feb 13, 1997
Shut in
—
Plugged
—

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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Hefley G-14-268698Buffalo Wallow (Granite Wash)Mmgl Txph, LLC10518KJan 2012 – Jul 2026
Hefley G-14-168027Briscoe (Morrow)Devon Energy Production Co, L.P.108.59MJan 1998 – Jan 2012
Hefley G-14-165546Buffalo Wallow (a Chert Zone)Seagull Midcon Inc.100Feb 1997 – Jan 1998

Gas, mcf lease total

Last 12 months 6,001 · prior 12 5,961(+1%)

05001K202420252026

Chain of custody

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

  1. 1Seagull Midcon Inc.Mar 1998 → May 1998
  2. 2Seagull Energy E&P Inc.Jun 1998 → Oct 2000
  3. 3Ocean Energy, Inc.Nov 2000 → Aug 2003
  4. 4Devon Louisiana CorporationSep 2003 → Dec 2005
  5. 5Devon Energy Production Co, L.P.Jan 2006 → Jun 2016
  6. 6Tecolote Energy Operating, LLCJul 2016 → Dec 2019
  7. 7Blackbeard Operating, LLCJan 2020 → Sep 2023
  8. 8Mmgl Txph, LLCOct 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
729125-99RecompletionDevon Energy Production Co, L.P.Nov 30, 2011Dec 8, 2011Nov 30, 201114,700
471255-98RecompletionSeagull Midcon Inc.Jun 16, 1998Dec 15, 1997—14,700
471255-99RecompletionSeagull Midcon Inc.Dec 15, 1997Dec 15, 1997Dec 21, 199714,700
453785-99DrillSeagull Midcon Inc.Oct 14, 1996Nov 13, 1996Dec 14, 199614,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-14-165546————
—— G-14-168027————
—— G-14-268698————

Formation tops

As filed on W-2/G-1. Subsea from 2,553 ft elevation.Download CSV →

FormationMD ftSubsea
Brown Dolo.4,486-1,933
Brown Dolomite4,486-1,933
Tonkawa9,018-6,465
Cleveland9,608-7,055
Granite Wash11,031-8,478
Granite Wash11,034-8,481
Morrow14,188-11,635
Puryear14,586-12,033

Perforations

Perforated and open-hole intervals.

FromToType
11,39211,620Perforated
11,70611,844Perforated
14,51614,556Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6253,13012.252,200 S
5.514,2737.875200 S
2.87514,7004.75110 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
00Jul 16, 2013Apr 10, 2013—
00Jun 24, 1998Mar 9, 1998Yes
00May 27, 1998——
00Feb 6, 1998Oct 27, 1997Yes
00Dec 15, 1997——

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/48331492, documented in the API reference.