MICHELS, H. M.

Operated by MEHAFFEY INVESTMENTS, INC. (P-5 559355) in the VOSS (TANNEHILL) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 10541District 09Field 94136333OilCasinghead gasSaveExport
Value, all time
$77 k
Jan 1993 – Sep 1998
Value, last 12 filed months
$3 k
at the published price for each month
Months reported
69
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 45 leases and 170 wells, and the rule below applies to all of them.

Discovered
1956-05-22
as the register files it
Field class
Oil
the register's own label
Between wells
no field rule filed
From a lease line
no field rule filed

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
OilDisposition4,539 bbl$76,875
Casinghead gasProduction21 Mcf$0
Total$76,875

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 (10)

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 33.4678, -99.6139. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.4 miles. 5 wells have no surveyed location and are left out of it.

33.46692, -99.61350 · centre of 5 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%
10 of 10 wells
With a plug date
60.0%
6 of 10 wells
Median depth
2,080 ft
6 wells filed one
Completion to plug
8.0 years
median over 1 well

What the state filed about each well

On the RRC proration schedule
10100.0%
A plug date is filed
660.0%
BothOn the schedule and plugged. Neither fact cancels the other.
660.0%
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

Total depth in feet, 6 of 10 wells. Median 2,080 ft, with the middle half between 2,071 and 2,085 ft; the shallowest is 2,056 ft and the deepest 2,089 ft. The median is published rather than the mean, because a single mis-keyed depth moves a mean and cannot move a median.

When they were last completed

Last completion by decade, 1 of 10 wells, Apr 1979. This is the LAST completion filed on each wellbore, not the first — a well recompleted in 2019 counts once, in the 2010s.

Completions filed
Apr 1979
1 of 10 wells; 9 filed none
Plug dates filed
Apr 1987 – Jun 1998
6 of 10 wells; 4 filed none

Last completion to plug: a median of 8.0 years across the 1 well that filed both dates, with the middle half between 8.0 years and 8.0 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

10 wells

42-275018471A2,056 ftApr 1987Yes
42-2750184962,084 ftJun 1998Yes
42-2750195192,075 ftJun 1998Yes
42-2750218572,070 ftJun 1998Yes
42-275803332AYes
42-275803343AYes
42-2758033782,085 ftApr 1987Yes
42-275803399AYes
42-275806811Yes
42-2758033222,089 ftApr 1979Apr 1987Yes

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 (69)

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

69 months

Sep 19980012.592.08$0
Aug 19980011.301.91$0
Jul 199878011.742.24$916
Jun 19980011.242.24$0
May 19980012.622.21$0
Apr 19980013.042.51$0
Mar 19980012.802.31$0
Feb 199815013.952.30$209
Jan 19980014.702.15$0
Dec 1997122016.322.41$1,991
Nov 19970018.193.09$0
Oct 19970019.253.15$0
Sep 19970017.742.95$0
Aug 1997151017.862.55$2,697
Jul 19970017.582.25$0
Jun 19970017.242.26$0
May 1997134018.972.31$2,542
Apr 19970017.882.08$0
Mar 1997107018.951.94$2,028
Feb 19970020.492.21$0
Jan 199785023.483.54$1,996
Dec 199687023.32$2,029
Nov 19960021.97$0
Oct 19960023.31$0
Sep 19960022.22$0
Aug 1996111020.26$2,249
Jul 19960019.55$0
Jun 1996131018.73$2,454
May 19960019.43$0
Apr 1996134021.51$2,882
Mar 1996150019.38$2,907
Feb 19960016.98$0
Jan 19960017.07$0
Dec 1995131017.19$2,252
Nov 1995140016.00$2,240
Oct 19950015.43$0
Sep 19950016.18$0
Aug 1995161015.92$2,563
Jul 1995166015.24$2,530
Jun 19950016.41$0
May 1995158017.56$2,774
Apr 1995151017.73$2,677
Mar 19950016.44$0
Feb 19950016.58$0
Jan 1995156015.92$2,484
Dec 19940015.03$0
Nov 1994164015.90$2,608
Oct 1994165015.58$2,571
Sep 19940115.29$0
Aug 1994135116.13$2,178
Jul 19940117.56$0
Jun 1994175117.09$2,991
May 19940115.88$0
Apr 1994131114.14$1,852
Mar 19940112.46$0
Feb 1994158112.50$1,975
Jan 19940112.66$0
Dec 1993129112.33$1,591
Nov 19930114.49$0
Oct 1993117115.85$1,854
Sep 1993153115.03$2,300
Aug 19930115.66$0
Jul 1993176115.46$2,721
Jun 19930116.79$0
May 1993166117.68$2,935
Apr 1993148118.05$2,671
Mar 1993179118.14$3,247
Feb 19930117.90$0
Jan 1993175116.93$2,963

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.

Jul 1998 — as filed, then multipliedworked
Oil                   78 bbl  × $ 11.74 =       $916
Casinghead gas         0 Mcf  × $  2.24 =         $0

────────────────────────────────────────────────────
Month total                                     $916

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. 09/O/10541 is the state's own key, not one this site invented.