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BLALOCK 1309

Operated by XTO ENERGY INC. (P-5 945936) 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 51681District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$28.9 M
Nov 2018 – May 2026
Value, last 12 filed months
$2.4 M
at the published price for each month
Months reported
91
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
OilDisposition437,197 bbl$25,428,439
Casinghead gasProduction1,148,093 Mcf$3,424,825
Total$28,853,264

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 31.9139, -101.7009. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.91386, -101.70086 · 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
8,423 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 8,423 ft.

Completions filed
Nov 2018
1 of 1 wells

1 well

42-173379021309BH8,423 ftNov 2018——

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 (91)

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

91 months

May 20261,73012,005106.413.05$220,655
Apr 20261,80510,08598.932.87$207,510
Mar 20262,00711,13389.753.15$215,191
Feb 20262,1139,90363.503.75$171,315
Jan 20262,2839,30559.138.00$209,414
Dec 20252,05610,87556.664.41$164,488
Nov 20252,25212,56358.593.93$181,273
Oct 20252,52812,84159.383.30$192,550
Sep 20252,31612,59562.743.08$184,060
Aug 20252,54913,06663.933.01$202,348
Jul 20252,42212,14466.743.32$201,904
Jun 20252,65512,03166.483.13$214,146
May 20251,9869,02260.553.23$149,414
Apr 20251,9077,32362.363.54$144,867
Mar 20252,74510,24667.704.27$229,570
Feb 20252,5899,48970.884.34$224,699
Jan 20252,8228,87174.324.28$247,687
Dec 20242,7988,56168.993.12$219,756
Nov 20243,0297,74169.052.20$226,171
Oct 20242,3336,04371.372.28$180,293
Sep 20242,3855,88869.612.36$179,941
Aug 20242,9076,32575.632.06$232,909
Jul 20242,7294,45979.932.15$227,701
Jun 20242,3003,99078.082.63$190,094
May 20243,8904,66378.812.20$316,822
Apr 202475219484.451.66$63,828
Mar 20243,2863,15180.301.55$268,735
Feb 20242,4774,41376.091.78$196,346
Jan 20241,6984,89773.023.30$140,137
Dec 20232,0387,82571.262.61$165,657
Nov 20232,2874,71677.892.81$191,375
Oct 20232,6593,49885.443.09$237,984
Sep 20233,2415,83889.042.74$304,546
Aug 20233,2315,72680.522.67$275,465
Jul 20234,1916,42774.852.64$330,675
Jun 20233,4644,02468.962.26$247,966
May 20233,6273,58870.622.23$264,131
Apr 20233,4343,14078.122.24$275,291
Mar 20233,8433,32172.852.39$287,910
Feb 20233,2762,78975.112.47$252,937
Jan 20234,1633,24176.533.39$329,574
Dec 20223,0632,67976.415.73$249,392
Nov 20222,9191,71385.005.65$257,787
Oct 20221,9951,57487.185.86$183,154
Sep 202266181784.888.16$62,775
Aug 202263386894.529.13$67,754
Jul 2022194586101.587.54$24,126
Jun 20222472115.097.98$3,337
May 20223610109.378.43$4,022
Apr 20223,46910,148104.226.84$430,927
Mar 20221,74212,870108.885.08$255,002
Feb 20221,41911,09091.054.86$183,084
Jan 20222,1568,37381.844.54$214,441
Dec 20212,05011,55271.323.90$191,249
Nov 20215374,16077.435.24$63,365
Oct 2021401,21179.795.71$10,111
Sep 20211,28917,29869.865.35$182,610
Aug 20213,53719,04266.024.22$313,881
Jul 20213,65723,08170.783.98$350,753
Jun 20213,79020,20769.493.38$331,679
May 20213,89619,75563.483.02$306,932
Apr 20214,23216,96360.362.76$302,235
Mar 20214,75719,21661.302.72$343,813
Feb 20213,0898,88857.805.55$227,854
Jan 20214,56519,71850.412.81$285,535
Dec 20205,16618,59744.642.68$280,366
Nov 20205,01319,35438.772.71$246,737
Oct 20205,93120,80036.972.48$270,820
Sep 20206,50022,42937.091.99$285,742
Aug 20207,14423,70139.982.39$342,146
Jul 20207,46226,11938.371.83$333,987
Jun 20207,59225,05834.901.69$307,317
May 20207,06622,82516.921.81$160,978
Apr 20205,79616,07314.751.80$114,493
Mar 20207,02917,75630.341.86$246,219
Feb 20206,80321,84749.881.98$382,605
Jan 20208,01631,77757.252.09$525,481
Dec 20199,24832,48659.012.30$620,584
Nov 20199,96433,77755.302.75$643,920
Oct 201910,02228,40553.472.42$604,575
Sep 201910,93327,59255.052.66$675,181
Aug 201913,23233,49853.112.30$779,943
Jul 201915,96439,88056.272.46$996,401
Jun 201917,36529,26052.782.49$989,417
May 201922,02540,72358.482.74$1,399,616
Apr 201919,25224,47262.632.75$1,273,068
Mar 201916,54519,00056.803.06$997,936
Feb 201915,63814,17050.852.79$834,758
Jan 201915,45411,68746.033.23$749,075
Dec 201819,48416,96146.594.19$978,749
Nov 20180052.934.24$0

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.

May 2026 — as filed, then multipliedworked
Oil                1,730 bbl  × $106.41 =   $184,089
Casinghead gas    12,005 Mcf  × $  3.05 =    $36,565

────────────────────────────────────────────────────
Month total                                 $220,655

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/51681 is the state's own key, not one this site invented.