SHALLER, FRANK

Operated by UNIT PETROLEUM COMPANY (P-5 877099) in the HEMPHILL (GRANITE WASH.) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 7875District 10Field 40311200OilCasinghead gasSaveExport
Value, all time
$2.0 M
Mar 2008 – Jan 2013
Value, last 12 filed months
$19 k
at the published price for each month
Months reported
59
no gaps in the span
Streams
2
oil, casinghead gas

The Railroad Commission's own record for the field this lease produces from, including the spacing rule that governs how close together its wells may be drilled.

These are facts about the field, not about this lease. The field holds 712 leases and 714 wells, and the rule below applies to all of them.

Discovered
1964-01-29
as the register files it
Field class
Oil and gas
the register's own label
Between wells
467 ft
minimum
From a lease line
467 ft
minimum

A drilling unit in this field needs at least 40 acres. The field rule took effect on 2008-10-07.

The Commission's schedule remark for this field reads: FIELD

What this lease produced, and what it was worth

Oil and condensate are valued on the volume the state records as disposed of; gas and casinghead gas on the volume produced. They are different columns of different files, and the difference is not cosmetic.

StreamBasisVolumeValue
OilDisposition6,482 bbl$478,757
Casinghead gasProduction259,789 Mcf$1,513,755
Total$1,992,513

Wells on this lease (2)

Every wellbore the Railroad Commission records against this lease key, with the depth, the last completion and the plug date exactly as filed. A well with no plug date is not stated to be producing — the state files no such flag.

These wells centre on 35.8588, -100.3241. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.3 miles.

35.85882, -100.32407 · centre of the wells drawn, derived

What these wells add up to

Every figure below is counted over all of this lease's wells, not over the rows listed above. The Railroad Commission files two facts about a well's state — a plug date and a proration-schedule flag — and a well can carry both, so they are published as separate counts and never merged into a status.

On the schedule
100.0%
2 of 2 wells
With a plug date
50.0%
1 of 2 wells
Median depth
12,300 ft
2 wells filed one
Completion to plug
14.8 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
2100.0%
A plug date is filed
150.0%
BothOn the schedule and plugged. Neither fact cancels the other.
150.0%
NeitherNo plug date, and not on the schedule.
00.0%

A plug date is the date the Commission recorded the wellbore as sealed with cement and abandoned. It is the only end-of-life fact Texas files. There is no "active" flag on a well, so this page does not print one — a well with no plug date is not stated to be producing.

How deep they were drilled

Between 12,300 and 12,300 ft, median 12,300 ft, over the 2 wells that filed a depth.

Completions filed
Nov 2008 – Oct 2016
2 of 2 wells
Plug dates filed
Aug 2023
1 of 2 wells; 1 filed none

Last completion to plug: a median of 14.8 years across the 1 well that filed both dates, with the middle half between 14.8 years and 14.8 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

2 wells

42-21133973512,300 ftOct 2016Yes
42-21134399612,300 ftNov 2008Aug 2023Yes

The API number is the state's, prefixed 42 for Texas. A well is matched to this lease by the lease key the Commission files on the wellbore record, so a well that has moved between leases appears under each one it was filed against.

Every month this lease reported (59)

Volume × price = value, one row per cycle. The price columns are the same series published on the prices page — nothing here is modelled.

59 months

Jan 20130091.603.42$0
Dec 20120086.773.42$0
Nov 201224086.953.62$2,087
Oct 20120089.383.40$0
Sep 20120094.672.92$0
Aug 20120092.662.91$0
Jul 2012195085.133.02$16,600
Jun 20120079.822.52$0
May 20120091.612.49$0
Apr 201200101.652.00$0
Mar 201200105.052.22$0
Feb 201200101.102.57$0
Jan 20120098.092.73$0
Dec 20110096.873.24$0
Nov 20110095.723.31$0
Oct 20110084.983.65$0
Sep 20110083.623.99$0
Aug 20110083.404.15$0
Jul 201101,96094.144.52$8,854
Jun 201101,45892.904.64$6,765
May 201102,23098.134.40$9,823
Apr 201102,208105.964.33$9,568
Mar 20111892,25996.364.06$27,378
Feb 201102,13085.644.18$8,903
Jan 201102,46086.504.59$11,288
Dec 20101902,55085.734.35$27,375
Nov 201002,45280.843.80$9,306
Oct 201002,61578.103.51$9,176
Sep 201002,99972.633.98$11,934
Aug 20101884,54673.684.42$33,942
Jul 201003,34072.554.74$15,820
Jun 20101862,85670.364.91$27,111
May 20101883,12971.124.24$26,623
Apr 201004,97181.694.12$20,494
Mar 201005,53778.394.39$24,300
Feb 20101985,17173.585.44$42,711
Jan 20101936,18374.365.96$51,227
Dec 20091936,35371.445.48$48,626
Nov 200906,74374.593.75$25,296
Oct 20091967,35672.544.11$44,453
Sep 20091917,46565.543.06$35,397
Aug 200908,10867.423.22$26,096
Jul 20091878,74261.133.46$41,718
Jun 20093099,15366.163.90$56,094
May 20093839,75954.743.93$59,277
Apr 200919010,48746.773.59$46,508
Mar 200959112,91942.144.06$77,343
Feb 200938414,62632.814.63$80,361
Jan 200957019,33835.865.37$124,305
Dec 200804,95737.105.98$29,629
Nov 2008013,47455.496.86$92,436
Oct 20081944,50475.246.92$45,773
Sep 20081904,749101.767.88$56,743
Aug 200805,275114.228.48$44,748
Jul 20081915,859131.0811.39$91,767
Jun 20083856,720131.3313.03$138,141
May 20081948,845123.1711.57$126,270
Apr 200839415,583110.3110.45$206,380
Mar 20081897,720101.909.66$93,866

How to read this page

The arithmetic is one multiplication per stream per month. Here it is, worked, on a real row from the table above.

Nov 2012 — as filed, then multipliedworked
Oil                   24 bbl  × $ 86.95 =     $2,087
Casinghead gas         0 Mcf  × $  3.62 =         $0

────────────────────────────────────────────────────
Month total                                   $2,087

The volumes are the state's, unchanged

Every barrel and every Mcf on this page is a number the Railroad Commission of Texas published in its monthly production query. Nothing is modelled, estimated or filled in.

The dollars are a multiplication, not a valuation

Volume × a published monthly price. It is not what the operator was paid: it takes no account of a contract, a differential, a transportation deduction, or the share any one owner holds.

Oil and gas are priced differently

Oil is a Texas realisation — the crude oil first purchase price. Gas is a benchmark, because no free Texas wellhead gas series exists at any date. The prices page publishes the difference rather than correcting it away.

A lease is not a well

The state reports oil on lease and gas on well, and this page is the lease grain. 10/O/7875 is the state's own key, not one this site invented.