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ULVESTAD 'B'

Operated by PIONEER NATURAL RES. USA, INC. (P-5 665748) in the SPRABERRY (TREND AREA) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 45951District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$4.8 M
Oct 2014 – May 2026
Value, last 12 filed months
$0
at the published price for each month
Months reported
140
no gaps in the span
Streams
2
oil, casinghead gas

The SPRABERRY (TREND AREA) field

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 16,587 leases and 43,997 wells, and the rule below applies to all of them.

Discovered
1952-12-22
as the register files it
Field class
Oil and gas
the register's own label
Between wells
0 ft
minimum
From a lease line
330 ft
minimum

A drilling unit in this field needs at least 80 acres. The field rule took effect on 2018-02-13.

The Commission's schedule remark for this field reads: “SPRABERRY (TREND AREA) FIELD EFFECTIVE 10/1/2019.”

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
OilDisposition78,898 bbl$4,150,333
Casinghead gasProduction191,029 Mcf$653,248
Total$4,803,581

Wells on this lease (1)

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 31.9236, -102.1039. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.92360, -102.10387 · 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
0.0%
0 of 1 wells
With a plug date
0.0%
0 of 1 wells
Median depth
11,260 ft
1 wells filed one
Completion to plug
—
no well filed both dates

What the state filed about each well

On the RRC proration schedule
00.0%
A plug date is filed
00.0%
BothOn the schedule and plugged. Neither fact cancels the other.
00.0%
NeitherNo plug date, and not on the schedule.
1100.0%

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

The one well that filed a depth was drilled to 11,260 ft.

Completions filed
Oct 2014
1 of 1 wells

1 well

42-32939267411,260 ftOct 2014——

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 (140)

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

140 months

May 202600106.413.05$0
Apr 20260098.932.87$0
Mar 20260089.753.15$0
Feb 20260063.503.75$0
Jan 20260059.138.00$0
Dec 20250056.664.41$0
Nov 20250058.593.93$0
Oct 20250059.383.30$0
Sep 20250062.743.08$0
Aug 20250063.933.01$0
Jul 20250066.743.32$0
Jun 20250066.483.13$0
May 20250060.553.23$0
Apr 20250062.363.54$0
Mar 20250067.704.27$0
Feb 20250070.884.34$0
Jan 20250074.324.28$0
Dec 20240068.993.12$0
Nov 20240069.052.20$0
Oct 20240071.372.28$0
Sep 20240069.612.36$0
Aug 20240075.632.06$0
Jul 20240079.932.15$0
Jun 20240078.082.63$0
May 20240078.812.20$0
Apr 20240084.451.66$0
Mar 20240080.301.55$0
Feb 20240076.091.78$0
Jan 20240073.023.30$0
Dec 20230071.262.61$0
Nov 20230077.892.81$0
Oct 20230085.443.09$0
Sep 20230089.042.74$0
Aug 202339080.522.67$3,140
Jul 2023282074.852.64$21,108
Jun 20233291,26368.962.26$25,540
May 20234391,55470.622.23$34,464
Apr 20233941,00378.122.24$33,024
Mar 20234621,40672.852.39$37,021
Feb 20235641,33675.112.47$45,656
Jan 20237801,66676.533.39$65,337
Dec 20224571,39276.415.73$42,894
Nov 20224221,63785.005.65$45,113
Oct 20226781,67887.185.86$68,947
Sep 20225841,86084.888.16$64,754
Aug 20223401,97594.529.13$50,163
Jul 20224642,219101.587.54$63,869
Jun 20224542,113115.097.98$69,107
May 20224942,287109.378.43$73,315
Apr 20226792,376104.226.84$87,012
Mar 20223382,261108.885.08$48,279
Feb 20226321,71091.054.86$65,852
Jan 20224842,05781.844.54$48,945
Dec 20215372,02071.323.90$46,175
Nov 20211,2422,35477.435.24$108,496
Oct 2021041279.795.71$2,354
Sep 20215862,09469.865.35$52,143
Aug 20216532,39966.024.22$53,236
Jul 20214681,73070.783.98$40,014
Jun 20216782,83269.493.38$56,688
May 20217702,99763.483.02$57,924
Apr 20216052,41960.362.76$43,190
Mar 20217071,63761.302.72$47,787
Feb 20214861,70357.805.55$37,539
Jan 20217661,90550.412.81$43,968
Dec 20206651,18444.642.68$32,853
Nov 202078392938.772.71$32,871
Oct 20205461,02936.972.48$22,736
Sep 20207221,29237.091.99$29,351
Aug 20207321,42939.982.39$32,674
Jul 20207111,07938.371.83$29,250
Jun 20206501,04534.901.69$24,451
May 20208031,39316.921.81$16,115
Apr 20201,2451,32714.751.80$20,758
Mar 202052377430.341.86$17,305
Feb 20200049.881.98$0
Jan 2020117057.252.09$6,698
Dec 201947352059.012.30$29,110
Nov 20199351,04055.302.75$54,566
Oct 201982893153.472.42$46,525
Sep 201963884755.052.66$37,373
Aug 201981869753.112.30$45,050
Jul 201983351956.272.46$48,150
Jun 201923738752.782.49$13,473
May 201916518058.482.74$10,142
Apr 20192519362.632.75$15,976
Mar 201962539156.803.06$36,697
Feb 201913213350.852.79$7,084
Jan 201923021346.033.23$11,275
Dec 20189001,67846.594.19$48,954
Nov 201836684652.934.24$22,957
Oct 201841983461.443.40$28,577
Sep 201830272159.543.11$20,222
Aug 20184911,61859.403.07$34,127
Jul 201853670265.142.93$36,973
Jun 201839257860.183.08$25,369
May 201823129565.382.90$15,959
Apr 20187472,12863.842.90$53,861
Mar 20183911,97561.222.79$29,441
Feb 201861739761.782.77$39,216
Jan 20184141,92662.874.01$33,750
Dec 20177731,97857.272.92$50,048
Nov 20177271,84755.423.12$46,050
Oct 20173531,85049.292.98$22,919
Sep 20179171,93847.523.09$49,559
Aug 20177181,77545.373.00$37,908
Jul 20173041,19743.873.09$17,032
Jun 20175401,32142.493.09$27,023
May 20176312,44645.373.26$36,611
Apr 20176332,38947.933.21$38,012
Mar 20177452,10446.772.98$41,121
Feb 20177592,12250.452.95$44,557
Jan 20175272,45349.413.42$34,425
Dec 20165832,17148.763.72$36,509
Nov 20169112,15642.492.64$44,410
Oct 20166231,43846.193.09$33,220
Sep 20166631,15041.553.10$31,113
Aug 20168782,56441.442.92$43,882
Jul 20169282,43741.622.92$45,750
Jun 201625056145.352.69$12,844
May 20167401,46842.521.99$34,388
Apr 20167922,97836.561.99$34,885
Mar 20161,1043,03133.011.79$41,881
Feb 20161,1152,62926.472.06$34,939
Jan 20169902,62227.352.36$33,276
Dec 20151,0203,16632.362.00$39,344
Nov 20151,1123,33338.792.17$50,358
Oct 20151,2283,62643.552.43$62,278
Sep 20151,2673,45142.992.76$63,988
Aug 20151,5543,79940.162.87$73,321
Jul 20151,4143,82848.152.95$79,358
Jun 20151,4393,78656.152.88$91,714
May 20151,9734,83255.212.96$123,210
Apr 20152,3416,05149.822.71$133,006
Mar 20152,7164,90842.892.93$130,893
Feb 20153,9175,66744.662.98$191,799
Jan 20153,2343,68743.433.10$151,885
Dec 20141,7023,67754.693.59$106,288
Nov 201436994370.464.25$30,009
Oct 201412722578.303.90$10,822

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.

Aug 2023 — as filed, then multipliedworked
Oil                   39 bbl  × $ 80.52 =     $3,140
Casinghead gas         0 Mcf  × $  2.67 =         $0

────────────────────────────────────────────────────
Month total                                   $3,140

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. 08/O/45951 is the state's own key, not one this site invented.