WELL · 42-389-37303 · DISTRICT 8

Mama #01SW

Y

Reeves County · Phantom (Wolfcamp) field · Injection  · Vertical

Mama #01SW (API 42-389-37303) is a well in Reeves County operated by CR Field Services LLC, completed November 12, 2019 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit, issued September 30, 2018, permitted to 6,300 ft.

It was permitted by Caprock Field Services LLC and has since transferred to CR Field Services LLC on the wellbore schedule.

Completion filings report 8 formation tops, including Castile, Bell Canyon, Delaware, Cherry Canyon.

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

It holds an active disposal or injection permit, with 7.68M barrels injected in the 12 months reported through July 2025; TexNet located 1 M2+ earthquakes within 10 km over the last two years.

Operator of record

CR Field Services LLC

Permitted by Caprock Field Services LLC; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Nov 4, 2025 · (877) 686-2504

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCR Field Services LLC
Production reportsnone
Latest permitCaprock Field Services LLCSep 30, 2018

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

6,300
total depth, ft
1
permits on file
Sep 30, 2018
last permit issued
Nov 12, 2019
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 12, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.640647, -103.826473

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Reeves 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
Mama O-10-54635Phantom (Wolfcamp)CR Field Services, LLC100Nov 2019 – Jul 2026

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
841633-99DrillCaprock Field Services LLCJun 22, 2018Sep 30, 2018Oct 3, 20196,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-54635————

Formation tops

As filed on W-2/G-1. Subsea from 2,970 ft elevation.Download CSV →

FormationMD ftSubsea
CastileCASTILLE1,8121,158
Bell Canyon3,658-688
Delaware3,658-688
DelawareDELAWARE CONSOLIDATED GAS3,658-688
DelawareFORD-DELAWARE3,658-688
Cherry Canyon4,635-1,665
Bone SpringBONE SPRINGS——
Pennsylvanian——
Permian (undifferentiated)PERMIAN——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
4,4005,998Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,80817.51,650 S
9.6256,09312.25990 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 28, 2020Aug 31, 2020Yes

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 →

Gypsy42-389-36297

1.1 KM · Caprock Field Services LLC · Section with this well →

Castile1,8531,146
Delaware3,632-633
Delaware3,632-633
Bell Canyon3,662-663
Delaware3,662-663
Cherry Canyon4,611-1,612
Wolfcamp—
Pennsylvanian—

10 TOPS · FIRST 8

Thunder Canyon42-389-36335

1.1 KM · Resolute Natural Res. Co., LLC · Section with this well →

Delaware2,500464
Delaware2,500464
Castile2,800164
Bell Canyon3,699-735
Cherry Canyon4,670-1,706
Delaware6,500-3,536
Bone Spring7,276-4,312
Wolfcamp10,368-7,404

10 TOPS · FIRST 8

Uinta42-389-36357

1.1 KM · Resolute Natural Res. Co., LLC · Section with this well →

Delaware2,500463
Delaware2,500463
Castile2,800163
Bell Canyon3,743-780
Cherry Canyon4,683-1,720
Delaware6,500-3,537
Bone Spring7,281-4,318
Wolfcamp10,370-7,407

10 TOPS · FIRST 8

Uinta42-389-36102

1.3 KM · Resolute Natural Res. Co., LLC · Section with this well →

Delaware2,500450
Delaware2,500450
Castile2,800150
Bell Canyon3,697-747
Cherry Canyon4,668-1,718
Delaware6,500-3,550
Bone Spring7,249-4,299
Wolfcamp10,360-7,410

10 TOPS · FIRST 8

UB42-389-37607

1.6 KM · Resolute Natural Res. Co., LLC · Section with this well →

Delaware2,500438
Delaware2,500438
Castile2,800138
Bell Canyon3,682-744
Cherry Canyon4,653-1,715
Delaware6,500-3,562
Bone Spring7,234-4,296
Wolfcamp10,345-7,407

10 TOPS · FIRST 8

State Apache 5742-389-39186

1.7 KM · EOG Resources, Inc. · Section with this well →

Delaware3,846-841
Bell Canyon3,846-841
Cherry Canyon4,829-1,824
Bone Spring7,348-4,343
Wolfcamp10,212-7,207
Pennsylvanian—
Permian (undifferentiated)—
Castile—

10 TOPS · FIRST 8

State Apache 5742-389-39195

1.7 KM · EOG Resources, Inc. · Section with this well →

Bell Canyon3,853-848
Delaware3,853-848
Cherry Canyon4,836-1,831
Bone Spring7,355-4,350
Wolfcamp10,777-7,772
Castile—
Delaware—
Delaware—

10 TOPS · FIRST 8

State Apache 5742-389-39196

1.7 KM · EOG Resources, Inc. · Section with this well →

Delaware3,850-845
Bell Canyon3,850-845
Cherry Canyon4,833-1,828
Bone Spring7,352-4,347
Wolfcamp11,139-8,134
Delaware—
Delaware—
Pennsylvanian—

10 TOPS · FIRST 8

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

7.68M
bbl, last 12 reported months
39.2M
bbl, all reported
Jul 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000117407W-14 DisposalActive25,0009253,700–6,000

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 7,684,335 · prior 12 6,615,459(+16%)

0500K1M20242025

TexNet catalog via USGS

Seismicity near this well

1
M2+ events within 10 km, last 2 years
M2.0
largest

A proximity count, not an attribution. How to read it →

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/38937303, documented in the API reference.