CHAPMAN, J. O.

Operated by NEG OPERATING LLC (P-5 602995) in the CHAPMAN RANCH (O-18) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 9665District 04Field 17075375OilCasinghead gasSaveExport
Value, all time
$146 k
Jan 1993 – Sep 2002
Value, last 12 filed months
$9 k
at the published price for each month
Months reported
117
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 5 leases and 9 wells, and the rule below applies to all of them.

Discovered
1978-08-17
as the register files it
Field class
Oil and gas
the register's own label
Between wells
no field rule filed
From a lease line
no field rule filed

The Commission's schedule remark for this field reads: CHAPMAN RANCH (MIOCENE CONS) 17075372

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
OilDisposition9,037 bbl$145,345
Casinghead gasProduction5,651 Mcf$788
Total$146,133

5,336 Mcf of this lease's gas, across 26 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 27.6243, -97.5264. A lease has no coordinate of its own — that point is the mean of its wells, and they span 0.7 miles.

27.62570, -97.52641 · 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
100.0%
5 of 5 wells
Median depth
7,000 ft
5 wells filed one
Completion to plug
14.9 years
median over 5 wells

What the state filed about each well

On the RRC proration schedule
5100.0%
A plug date is filed
5100.0%
BothOn the schedule and plugged. Neither fact cancels the other.
5100.0%
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 4,612 and 7,800 ft, median 7,000 ft, over the 5 wells that filed a depth.

Completions filed
Jul 1987 – May 2000
5 of 5 wells
Plug dates filed
Jun 2002 – Nov 2002
5 of 5 wells

Last completion to plug: a median of 14.9 years across the 5 wells that filed both dates, with the middle half between 4.8 years and 15.0 years. The gap is the distance between two filed dates. It is not a statement of how long the well produced.

5 wells

42-35530450647,600 ftMay 2000Sep 2002Yes
42-35530378527,800 ftAug 1997Jun 2002Yes
42-355307951184,612 ftDec 1987Nov 2002Yes
42-355307781146,962 ftAug 1987Aug 2002Yes
42-35530423607,000 ftJul 1987Jul 2002Yes

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 (117)

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

117 months

Sep 20020027.443.64$0
Aug 20020025.963.16$0
Jul 20026024.583.06$147
Jun 2002194323.733.34$594
May 20020024.663.58$0
Apr 20020023.653.51$0
Mar 200219022.003.10$418
Feb 2002412718.222.38$811
Jan 20029011817.172.38$1,826
Dec 200110012716.932.36$1,993
Nov 2001128018.072.41$2,313
Oct 200150019.782.53$989
Sep 20010024.262.25$0
Aug 20010024.873.05$0
Jul 20010023.933.20$0
Jun 20010024.563.82$0
May 20010025.524.31$0
Apr 20010024.685.34$0
Mar 20010024.545.38$0
Feb 20010027.755.77$0
Jan 20010027.478.40$0
Dec 20000026.889.12$0
Nov 20000032.215.66$0
Oct 20000031.235.15$0
Sep 20000031.875.19$0
Aug 20000029.644.54$0
Jul 20000028.534.09$0
Jun 20000029.304.40$0
May 20000027.263.68$0
Apr 20000024.513.12$0
Mar 20000028.422.86$0
Feb 20000027.622.73$0
Jan 20000025.272.48$0
Dec 19990024.282.42$0
Nov 19990023.192.43$0
Oct 19990020.982.80$0
Sep 19990021.752.62$0
Aug 19990019.262.88$0
Jul 19990017.892.37$0
Jun 19990015.942.36$0
May 19990015.792.32$0
Apr 19990015.102.21$0
Mar 19990012.471.84$0
Feb 1999009.981.82$0
Jan 19990010.381.90$0
Dec 1998009.201.77$0
Nov 19980010.892.19$0
Oct 19980012.421.97$0
Sep 19980012.592.08$0
Aug 19980011.301.91$0
Jul 19980011.742.24$0
Jun 19980011.242.24$0
May 19980012.622.21$0
Apr 19980013.042.51$0
Mar 19980012.802.31$0
Feb 19980013.952.30$0
Jan 19980014.702.15$0
Dec 19970016.322.41$0
Nov 19970018.193.09$0
Oct 19970019.253.15$0
Sep 19970017.742.95$0
Aug 19970017.862.55$0
Jul 19970017.582.25$0
Jun 19970017.242.26$0
May 19970018.972.31$0
Apr 19970017.882.08$0
Mar 19970018.951.94$0
Feb 19970020.492.21$0
Jan 19970023.483.54$0
Dec 19960023.32$0
Nov 19960021.97$0
Oct 19960023.31$0
Sep 19960022.22$0
Aug 19960020.26$0
Jul 19960019.55$0
Jun 19960018.73$0
May 19960019.43$0
Apr 19960021.51$0
Mar 19960019.38$0
Feb 19960016.98$0
Jan 19960017.07$0
Dec 19950017.19$0
Nov 19950016.00$0
Oct 19950015.43$0
Sep 19950016.18$0
Aug 19950015.92$0
Jul 19950015.24$0
Jun 199535016.41$574
May 19951176317.56$2,055
Apr 19951476117.73$2,606
Mar 19952633116.44$4,324
Feb 199516626716.58$2,752
Jan 199517993015.92$2,850
Dec 199413393015.03$1,999
Nov 19941863315.90$2,957
Oct 19941543315.58$2,399
Sep 19941845015.29$2,813
Aug 19943275016.13$5,275
Jul 19943835017.56$6,725
Jun 19940017.09$0
May 199463015.88$1,000
Apr 199433816114.14$4,779
Mar 199438012.46$473
Feb 199428322612.50$3,538
Jan 199429724812.66$3,760
Dec 199342730112.33$5,265
Nov 199337428614.49$5,419
Oct 199345720715.85$7,243
Sep 199339013815.03$5,862
Aug 1993385115.66$6,029
Jul 1993413115.46$6,385
Jun 1993394116.79$6,615
May 199344712517.68$7,903
Apr 199348226218.05$8,700
Mar 199349130218.14$8,907
Feb 199338922917.90$6,963
Jan 199364235016.93$10,869

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 2002 — as filed, then multipliedworked
Oil                    6 bbl  × $ 24.58 =       $147
Casinghead gas         0 Mcf  × $  3.06 =         $0

────────────────────────────────────────────────────
Month total                                     $147

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. 04/O/9665 is the state's own key, not one this site invented.