WELL · 42-475-37540 · DISTRICT 8

Casper 37 #99LA

Y

Ward County · Phantom (Wolfcamp) field · Producing  · Horizontal

Casper 37 #99LA (API 42-475-37540) is a horizontal well in Ward County operated by Apache Corporation, completed June 14, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued May 11, 2018, permitted to 11,680 ft.

It was permitted by Callon Petroleum Operating CO and has since transferred to Apache Corporation on the wellbore schedule.

Completion filings report 16 formation tops, including Salado, Lamar, Bell Canyon, Brushy Canyon.

Its lease has reported 383K barrels of oil and 816K mcf of gas since August 2018, last reporting in July 2026.

Operator of record

Apache Corporation

Permitted by Callon Petroleum Operating Co; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleApache Corporation
Production reportsApache Corporationthrough Apr 2026
Latest permitCallon Petroleum Operating CoMay 11, 2018

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

11,680
total depth, ft
2
permits on file
May 11, 2018
last permit issued
Jun 14, 2019
completed
383K
cumulative oil, bbl
816K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 14, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.524070, -103.233431

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Ward County.

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
Casper 37 O-10-50597Phantom (Wolfcamp)Apache Corporation1383K816KAug 2018 – Jul 2026

Oil, barrels lease total

Last 12 months 11,259 · prior 12 13,443(-16%)

01K2K202420252026

Gas, mcf lease total

Last 12 months 16,722 · prior 12 13,841(+21%)

05K10K202420252026

Chain of custody

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

  1. 1Callon Petroleum Operating CoAug 2018 → Jul 2024
  2. 2Apache CorporationAug 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
839730-98DrillCallon Petroleum Operating CoMay 21, 2018May 11, 2018—11,680
839730-99DrillCallon Petroleum Operating CoMay 8, 2018May 11, 2018Jun 6, 201811,680

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-50597————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Salado1,185
Lamar5,001
Bell Canyon5,033
Brushy Canyon7,383
AvalonUPPER AVALON8,363
Bone SpringBONE SPRING LIME8,541
Bone Spring2ND BONE SPRING10,062
Bone Spring2ND BONE SPRING SHALE10,628
Bone Spring3RD BONE SPRING10,988
Clear ForkCLEARFORK—
Delaware—
Glorieta—
Holt—
Queen—
Rustler—
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO—
Seven Rivers—
Tubb—
Yates—

Perforations

Perforated and open-hole intervals.

FromToType
11,83618,798Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,22117.51,025 S
10.756,81912.25835 S
7.62511,5879.8751,020 S
5.519,0406.751,165 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
00Sep 19, 2019Jun 26, 2019Yes
00Jan 25, 2019Dec 2, 2018Yes
00Oct 31, 2018Aug 23, 2018Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Rag Run A142-475-37397

0.6 KM · Callon Petroleum Operating Co · Section with this well →

Lamar5,005
Bell Canyon5,038
Wolfcamp11,283
Queen—
Atoka—
Holt—
Yates—
Fusselman—

19 TOPS · FIRST 8

Rag Run NW42-475-37712

0.9 KM · Callon Petroleum Operating Co · Section with this well →

Rustler851
Salado1,213
Lamar5,014
Bell Canyon5,050
Brushy Canyon7,292
Avalon8,359
Bone Spring8,495
Yates—

13 TOPS · FIRST 8

Rag Run NW42-475-37398

0.9 KM · Callon Petroleum Operating Co · Section with this well →

Bell Canyon5,050
Bone Spring10,138
Bone Spring10,653
Bone Spring10,998
Seven Rivers—
Clear Fork—
Delaware—
Glorieta—

13 TOPS · FIRST 8

Rag Run NW42-475-37711

0.9 KM · Callon Petroleum Operating Co · Section with this well →

Rustler844
Salado1,208
Lamar5,015
Bell Canyon5,049
Seven Rivers—
San Andres—
Queen—
Holt—

13 TOPS · FIRST 8

Escalera SWD42-475-38590

1.0 KM · Waterbridge Texas Operating LLC · Section with this well →

Rustler7481,915
Delaware5,063-2,400
Yates—
Capitan—
Clear Fork—
Glorieta—
Holt—
Queen—

10 TOPS · FIRST 8

Rag Run NW42-475-37713

1.1 KM · Callon Petroleum Operating Co · Section with this well →

Rustler851
Salado1,213
Lamar5,024
Bell Canyon5,056
Brushy Canyon7,278
Avalon8,362
Bone Spring8,497
Seven Rivers—

13 TOPS · FIRST 8

Rag Run NW42-475-37400

1.1 KM · Callon Petroleum Operating Co · Section with this well →

Rustler854
Salado1,215
Lamar5,023
Bell Canyon5,063
Queen—
Clear Fork—
Delaware—
Yates—

13 TOPS · FIRST 8

Rag Run NW42-475-37399

1.1 KM · Callon Petroleum Operating Co · Section with this well →

Lamar5,020
Bell Canyon5,057
Clear Fork—
Queen—
Rustler—
San Andres—
Seven Rivers—
Tubb—

12 TOPS · FIRST 8

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/47537540, documented in the API reference.