MENDELEEV H

Operated by OXYROCK OPERATING, LLC (P-5 102324) 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 57765District 08Field 85280300OilCasinghead gasSaveExport
Value, all time
$90.1 M
Jun 2022 – May 2026
Value, last 12 filed months
$6.5 M
at the published price for each month
Months reported
48
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 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
OilDisposition935,312 bbl$73,054,252
Casinghead gasProduction5,071,572 Mcf$17,069,279
Total$90,123,531

Wells on this lease (3)

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 31.8581, -101.7785. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.0 miles.

31.85817, -101.77851 · 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 3 wells
With a plug date
0.0%
0 of 3 wells
Median depth
8,808 ft
3 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.
3100.0%

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 8,590 and 10,096 ft, median 8,808 ft, over the 3 wells that filed a depth.

Completions filed
Sep 2022
3 of 3 wells

3 wells

42-3294473310HA8,590 ftSep 2022——
42-32944732103HD10,096 ftSep 2022——
42-329447319HB8,808 ftSep 2022——

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.

Leases whose centres are nearest (570)

Ranked by the distance between lease centres, within 5 miles. A lease has no coordinate the state files — each centre is the mean of that lease's own wells, so this measures how far apart two centres are and not whether the two leases touch.

LeaseOperatorCentres apart
MENDELEEV KOXYROCK OPERATING, LLC0.07 mi
AVOGADRO IOXYROCK OPERATING, LLC0.08 mi
MENDELEEV LOXYROCK OPERATING, LLC0.08 mi
TIMBER -B-PIONEER NATURAL RES. USA, INC.0.11 mi
MENDELEEV GOXYROCK OPERATING, LLC0.12 mi
AVOGADRO HOXYROCK OPERATING, LLC0.17 mi
MENDELEEV FOXYROCK OPERATING, LLC0.17 mi
MENDELEEV JOXYROCK OPERATING, LLC0.21 mi
MENDELEEV COXYROCK OPERATING, LLC0.23 mi
AVOGADRO FOXYROCK OPERATING, LLC0.27 mi

The 10 nearest are listed. 570 leases in all have a centre within 5 miles of this one.

Operators who reported on those leases

Taken from the same 5-mile set above. This is who filed production, not who holds acreage — the state publishes no acreage register.

Every month this lease reported (48)

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

48 months

May 20262,57058,868106.413.05$452,776
Apr 20264,06273,08498.932.87$611,584
Mar 20263,55062,65289.753.15$515,931
Feb 20262,82055,56563.503.75$387,457
Jan 20263,20170,42959.138.00$752,561
Dec 20253,23873,14856.664.41$506,294
Nov 20253,56784,55358.593.93$540,983
Oct 20253,66294,60659.383.30$530,107
Sep 20252,92883,18662.743.08$439,659
Aug 20253,93191,35863.933.01$526,731
Jul 20253,981109,30366.743.32$628,053
Jun 20254,406107,02566.483.13$627,762
May 20254,527105,78460.553.23$616,038
Apr 20254,348113,87362.363.54$674,607
Mar 20254,443111,84667.704.27$778,186
Feb 20258,586105,19970.884.34$1,065,228
Jan 202512,185117,65274.324.28$1,408,984
Dec 202411,695122,45068.993.12$1,189,050
Nov 202411,577117,12569.052.20$1,056,884
Oct 202412,128113,41871.372.28$1,124,327
Sep 202411,981115,91669.612.36$1,108,065
Aug 202414,305117,72875.632.06$1,324,834
Jul 202414,915107,69179.932.15$1,423,324
Jun 202415,519108,14778.082.63$1,496,581
May 202417,019113,50678.812.20$1,590,804
Apr 202414,55289,25584.451.66$1,377,008
Mar 202418,750103,23780.301.55$1,665,140
Feb 202419,78793,28876.091.78$1,671,985
Jan 202428,145110,33073.023.30$2,418,979
Dec 202315,50399,37571.262.61$1,364,184
Nov 202320,249131,68877.892.81$1,946,917
Oct 202324,611151,22885.443.09$2,569,647
Sep 202323,888135,19689.042.74$2,496,754
Aug 202320,575104,50980.522.67$1,936,039
Jul 202325,674127,59074.852.64$2,258,766
Jun 202328,137124,48668.962.26$2,221,477
May 202331,758134,60070.622.23$2,542,558
Apr 202334,418133,11678.122.24$2,986,616
Mar 202343,790148,95972.852.39$3,546,584
Feb 202344,242139,83175.112.47$3,667,795
Jan 202355,748149,88976.533.39$4,774,176
Dec 202269,027170,57976.415.73$6,251,614
Nov 202257,468165,52685.005.65$5,819,373
Oct 202292,671184,34087.185.86$9,159,983
Sep 202278,023136,16584.888.16$7,734,200
Aug 20223,1524,27394.529.13$336,927
Jul 202200101.587.54$0
Jun 202200115.097.98$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                2,570 bbl  × $106.41 =   $273,474
Casinghead gas    58,868 Mcf  × $  3.05 =   $179,303

────────────────────────────────────────────────────
Month total                                 $452,776

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/57765 is the state's own key, not one this site invented.