EASON OIL CO.

Operated by MARATHON OIL COMPANY (P-5 525380) in the HOWARD GLASSCOCK field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 11788District 08Field 42971001Hydrogen sulphide fieldOilCasinghead gasSaveExport
Value, all time
$88 k
Jan 1993 – Mar 1998
Value, last 12 filed months
$26 k
at the published price for each month
Months reported
63
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 285 leases and 3,948 wells, and the rule below applies to all of them.

Discovered
1925-12-31
as the register files it
Field class
Oil
the register's own label
Between wells
400 ft
minimum
From a lease line
200 ft
minimum

A drilling unit in this field needs at least 5 acres. The field rule took effect on 2008-07-28.

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: HOWARD GLASSCOCK (CONSOLIDATED), EFFECTIVE 11/22/11.

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
OilDisposition5,087 bbl$88,222
Casinghead gasProduction21 Mcf$0
Total$88,222

21 Mcf of this lease's gas, across 21 months, carries no value here. No free Texas wellhead gas price exists before 1997, so those months are left out of the total rather than valued at zero. The total above is therefore a floor, not an estimate.

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 32.1476, -101.2438. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.3 miles.

32.14740, -101.24344 · 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%
5 of 5 wells
With a plug date
20.0%
1 of 5 wells
Median depth
2,775 ft
5 wells filed one
Completion to plug
28.3 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
5100.0%
A plug date is filed
120.0%
BothOn the schedule and plugged. Neither fact cancels the other.
120.0%
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 2,285 and 3,307 ft, median 2,775 ft, over the 5 wells that filed a depth.

Completions filed
Sep 1959 – Jun 1997
5 of 5 wells
Plug dates filed
Oct 2025
1 of 5 wells; 4 filed none

Last completion to plug: a median of 28.3 years across the 1 well that filed both dates, with the middle half between 28.3 years and 28.3 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

5 wells

42-2270222022,777 ftJun 1997Oct 2025Yes
42-227006944D3,307 ftMay 1997Yes
42-2272004162,775 ftSep 1968Yes
42-2272004052,580 ftJul 1967Yes
42-2270015632,285 ftSep 1959Yes

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 (63)

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

63 months

Mar 19980012.802.31$0
Feb 19980013.952.30$0
Jan 19980014.702.15$0
Dec 1997213016.322.41$3,476
Nov 1997172018.193.09$3,129
Oct 1997191019.253.15$3,677
Sep 1997170017.742.95$3,016
Aug 1997169017.862.55$3,018
Jul 1997158017.582.25$2,778
Jun 1997127017.242.26$2,189
May 1997136018.972.31$2,580
Apr 1997135017.882.08$2,414
Mar 199788018.951.94$1,668
Feb 199762020.492.21$1,270
Jan 199729023.483.54$681
Dec 199668023.32$1,586
Nov 199666021.97$1,450
Oct 199661023.31$1,422
Sep 1996102022.22$2,266
Aug 199663020.26$1,276
Jul 199668019.55$1,329
Jun 199664018.73$1,199
May 199674019.43$1,438
Apr 199673021.51$1,570
Mar 199675019.38$1,454
Feb 199670016.98$1,189
Jan 199676017.07$1,297
Dec 199577017.19$1,324
Nov 199537016.00$592
Oct 199574015.43$1,142
Sep 1995111016.18$1,796
Aug 199575015.92$1,194
Jul 199536015.24$549
Jun 199572016.41$1,182
May 199575017.56$1,317
Apr 199575017.73$1,330
Mar 199574016.44$1,217
Feb 199576016.58$1,260
Jan 199575015.92$1,194
Dec 199473015.03$1,097
Nov 199477015.90$1,224
Oct 1994111015.58$1,729
Sep 199474115.29$1,131
Aug 199475116.13$1,210
Jul 199475117.56$1,317
Jun 199473117.09$1,248
May 199475115.88$1,191
Apr 199438114.14$537
Mar 199475112.46$935
Feb 199476112.50$950
Jan 199470112.66$886
Dec 199375112.33$925
Nov 199376114.49$1,101
Oct 199373115.85$1,157
Sep 199375115.03$1,127
Aug 199370115.66$1,096
Jul 199372115.46$1,113
Jun 199371116.79$1,192
May 199375117.68$1,326
Apr 199371118.05$1,282
Mar 199328118.14$508
Feb 199371117.90$1,271
Jan 199371116.93$1,202

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.

Dec 1997 — as filed, then multipliedworked
Oil                  213 bbl  × $ 16.32 =     $3,476
Casinghead gas         0 Mcf  × $  2.41 =         $0

────────────────────────────────────────────────────
Month total                                   $3,476

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/11788 is the state's own key, not one this site invented.