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74 RANCH-GUAJILLO UNIT B

Operated by MARATHON OIL EF LLC (P-5 525398) in the EAGLEVILLE (EAGLE FORD-1) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 19590District 01Field 27135700Hydrogen sulphide fieldST-1 filingOilCasinghead gasSaveExport
Value, all time
$77.1 M
Jan 2019 – May 2026
Value, last 12 filed months
$3.0 M
at the published price for each month
Months reported
89
no gaps in the span
Streams
2
oil, casinghead gas

The EAGLEVILLE (EAGLE FORD-1) 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 5,086 leases and 10,995 wells, and the rule below applies to all of them.

Discovered
2009-08-12
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 40 acres. The field rule took effect on 2017-02-28.

The register flags this field for hydrogen sulphide. That is a poisonous gas that occurs naturally in some formations. The flag is a property of the field as the Commission records it. It is not a measurement taken at this lease, and it is not a statement that gas is escaping anywhere.

The Commission's schedule remark for this field reads: “BASED ON 3000 TO 1 GAS OIL RATIO”

Severance-tax incentive filings

Applications the operator filed to have this lease's gas taxed at a reduced state rate. A filing is an application, and this page never calls one a reduction that was granted.

ProgrammeFilingsWith an approval dateDatedDocket
ST-15none—5 dockets

This says nothing about a royalty. A severance tax is charged to the operator. Whether a reduced rate reaches a royalty owner depends on the wording of the lease instrument, which is a private contract this site does not hold.

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
OilDisposition1,246,326 bbl$71,419,784
Casinghead gasProduction1,865,835 Mcf$5,661,263
Total$77,081,047

Wells on this lease (5)

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 28.6554, -98.3086. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.2 miles.

28.65543, -98.30867 · 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 5 wells
With a plug date
0.0%
0 of 5 wells
Median depth
11,010 ft
5 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.
5100.0%

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 10,998 and 11,047 ft, median 11,010 ft, over the 5 wells that filed a depth.

Completions filed
Sep 2019 – Nov 2019
5 of 5 wells

5 wells

42-013356371H10,998 ftNov 2019——
42-013356382H11,022 ftNov 2019——
42-013356415H11,010 ftNov 2019——
42-013356393H11,006 ftSep 2019——
42-013356404H11,047 ftSep 2019——

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 (130)

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
74 RANCH-GUAJILLO UNIT CMARATHON OIL EF LLC0.06 mi
74 RANCH-GUAJILLO UNIT AMARATHON OIL EF LLC0.31 mi
GUAJILLO UNIT 16 NORTHMARATHON OIL EF LLC0.34 mi
74 RANCH-GUAJILLO UNIT DMARATHON OIL EF LLC0.36 mi
74 RANCH-GUAJILLO UNIT A ACMARATHON OIL EF LLC0.37 mi
GUAJILLO UNIT 12 NORTHMARATHON OIL EF LLC0.58 mi
GUAJILLO UNIT 11 NORTHMARATHON OIL EF LLC0.86 mi
GUAJILLO UNIT 14 SOUTHMARATHON OIL EF LLC0.88 mi
74-ATASCOSA UNIT 1MARATHON OIL EF LLC1.10 mi
74-ATASCOSA SA 3MARATHON OIL EF LLC1.11 mi

The 10 nearest are listed. 130 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 (89)

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

89 months

May 20264,0973,396106.413.05$446,305
Apr 20264,5833,49498.932.87$463,423
Mar 20262,8841,49689.753.15$263,551
Feb 20262,5711,99163.503.75$170,725
Jan 20262,7052,13359.138.00$177,006
Dec 20252,9672,65456.664.41$179,823
Nov 20252,9572,40058.593.93$182,674
Oct 20253,8514,30659.383.30$242,903
Sep 20252,5872,24562.743.08$169,216
Aug 20253,7673,29063.933.01$250,743
Jul 20253,5742,83566.743.32$247,927
Jun 20253,4613,08966.483.13$239,752
May 20253,6231,87360.553.23$225,427
Apr 20253,1442,29862.363.54$204,202
Mar 20253,5173,42667.704.27$252,724
Feb 20253,7262,64070.884.34$275,559
Jan 20255,0284,01974.324.28$390,877
Dec 20245,3303,67368.993.12$379,181
Nov 20245,5994,55369.052.20$396,620
Oct 20245,9864,59171.372.28$437,695
Sep 20245,0453,23169.612.36$358,822
Aug 20246,0664,50275.632.06$468,062
Jul 20242,7111,71079.932.15$220,361
Jun 20244,2432,42578.082.63$337,681
May 20244,1983,23278.812.20$337,950
Apr 20243,6203,46184.451.66$311,451
Mar 20245,2035,11980.301.55$425,710
Feb 20243,1942,30576.091.78$247,143
Jan 20244,5006,00473.023.30$348,389
Dec 20235,2486,95971.262.61$392,140
Nov 20235,2466,73077.892.81$427,506
Oct 20235,1856,74985.443.09$463,842
Sep 20235,0097,00189.042.74$465,149
Aug 20235,7136,70980.522.67$477,943
Jul 20235,6206,40974.852.64$437,588
Jun 20235,2746,82768.962.26$379,114
May 20235,5957,42170.622.23$411,648
Apr 20236,7247,22578.122.24$541,447
Mar 20236,9577,23872.852.39$524,139
Feb 20236,5877,36275.112.47$512,902
Jan 20237,3987,54276.533.39$591,719
Dec 20226,4686,72376.415.73$532,736
Nov 20227,8357,54985.005.65$708,598
Oct 20227,8938,82087.185.86$739,830
Sep 20228,60510,81084.888.16$818,642
Aug 202211,16410,19294.529.13$1,148,245
Jul 20223,0834,381101.587.54$346,213
Jun 20223,6075,068115.097.98$455,558
May 20229,37011,504109.378.43$1,121,811
Apr 20229,4779,997104.226.84$1,056,048
Mar 20229,47321,837108.885.08$1,142,274
Feb 20229,56542,35291.054.86$1,076,675
Jan 20228,78735,96881.844.54$882,339
Dec 20219,63535,29871.323.90$824,799
Nov 20219,48229,28677.435.24$887,558
Oct 20219,49326,67779.795.71$909,875
Sep 20219,99827,15669.865.35$843,770
Aug 202113,04133,92866.024.22$1,004,163
Jul 202110,16831,84470.783.98$846,496
Jun 202111,12335,85269.493.38$894,139
May 202111,74639,68763.483.02$865,398
Apr 202112,80641,68460.362.76$887,952
Mar 202113,43141,43361.302.72$935,891
Feb 202111,74134,30757.805.55$868,963
Jan 202116,14848,98450.412.81$951,679
Dec 202014,92160,88944.642.68$828,980
Nov 202017,84848,60038.772.71$823,506
Oct 202017,91228,32936.972.48$732,418
Sep 202018,41828,45437.091.99$739,777
Aug 202020,34235,22939.982.39$897,298
Jul 202024,25242,63738.371.83$1,008,367
Jun 202027,60445,69734.901.69$1,040,622
May 202030,67649,04116.921.81$608,035
Apr 202037,10462,52214.751.80$660,097
Mar 202038,62553,12330.341.86$1,270,491
Feb 202045,02290,09749.881.98$2,424,150
Jan 202058,85793,28257.252.09$3,564,965
Dec 201987,908126,53359.012.30$5,479,029
Nov 2019121,672122,77755.302.75$7,066,184
Oct 2019142,029113,70453.472.42$7,869,288
Sep 2019123,70487,02155.052.66$7,041,144
Aug 20190053.112.30$0
Jul 20190056.272.46$0
Jun 20190052.782.49$0
May 20190058.482.74$0
Apr 20190062.632.75$0
Mar 20190056.803.06$0
Feb 20190050.852.79$0
Jan 20190046.033.23$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                4,097 bbl  × $106.41 =   $435,962
Casinghead gas     3,396 Mcf  × $  3.05 =    $10,344

────────────────────────────────────────────────────
Month total                                 $446,305

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. 01/O/19590 is the state's own key, not one this site invented.