TEXAS · WELLS · GLASSCOCK COUNTY · CALVERLEY -B- LEASE · API 42-173-32038 · DISTRICT 7B

Calverley -B- #1

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Glasscock County · Spraberry (Trend Area) field · Producing  · Vertical

Calverley -B- #1 (API 42-173-32038) is a well in Glasscock County operated by Diamondback E&P LLC, completed August 17, 1988 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 4, 1988, permitted to 8,550 ft.

It was permitted by Parker & Parsley Petroleum CO. and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Spraberry, Dean.

Its lease has reported 156K barrels of oil and 164K mcf of gas since January 1993, last reporting in July 2026.

Operator of record

Diamondback E&P LLC

Permitted by Parker & Parsley Petroleum Co.; the EWA schedule now lists a different operator.

Based in
Midland, TX
P-5 status
Active – Extension (X)
P-5 last filed
May 4, 2026
Permits on file
5,237
Phone
(432) 221-7400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitParker & Parsley Petroleum Co.May 4, 1988

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

8,550
total depth, ft
1
permits on file
May 4, 1988
last permit issued
Aug 17, 1988
completed
156K
cumulative oil, bbl
164K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 17, 1988
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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
Calverley -B- O-10-31918Spraberry (Trend Area)Diamondback E&P LLC1156K164KJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 6,280 · prior 12 5,312(+18%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 0 · prior 12 0

01020202420252026

Chain of custody

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

  1. 1BC Operating, Inc.Jan 1993 → Feb 1998
  2. 2Taurus Exploration U.S.A., Inc.Mar 1998 → Nov 1998
  3. 3Energen Resources CorporationDec 1998 → Jan 2019
  4. 4Diamondback E&P LLCFeb 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
346122-99DrillParker & Parsley Petroleum Co.May 5, 1988May 4, 1988Jun 16, 19889,000

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 17, 1988Calverley -B- O-10-31918Spraberry (Trend Area)Diamondback E&P LLCProducing8,550

Formation tops

As filed on W-2/G-1. Subsea from 2,650 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryUPPER SPRABERRY6,870-4,220
SpraberryLOWER SPRABERRY7,182-4,532
Dean8,141-5,491
DeanBASE DEAN8,410-5,760

Perforations

Perforated and open-hole intervals.

FromToType
6,8747,220Perforated
7,4267,780Perforated
8,1868,496Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
12.7532817.5400 S
8.6253,58011250 S
4.58,5507.8751,150 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 22, 1988Sep 2, 1988Yes
00Sep 15, 1988——

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/17332038, documented in the API reference.