BIGBY, J. O. "10"

Operated by STEPHENS, AUTRY C. (P-5 817550) in the CALVIN (DEAN) field. Every figure below is a volume the Railroad Commission published, multiplied by a monthly price you can check.

Oil lease lease 8135District 7CField 14937333OilCasinghead gasSaveExport
Value, all time
$98 k
Jan 1993 – Mar 1996
Value, last 12 filed months
$11 k
at the published price for each month
Months reported
39
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 498 leases and 1,074 wells, and the rule below applies to all of them.

Discovered
1965-11-17
as the register files it
Field class
Oil and gas
the register's own label
Between wells
1,200 ft
minimum
From a lease line
660 ft
minimum

A drilling unit in this field needs at least 80 acres.

The Commission's schedule remark for this field reads: 7C,08-0209914

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
OilDisposition6,421 bbl$97,709
Casinghead gasProduction30,693 Mcf$0
Total$97,709

30,693 Mcf of this lease's gas, across 34 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.

Every month this lease reported (39)

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

39 months

Mar 19960019.38$0
Feb 19960016.98$0
Jan 19960017.07$0
Dec 19950017.19$0
Nov 19950016.00$0
Oct 199512747515.43$1,960
Sep 19957548216.18$1,214
Aug 19957635915.92$1,210
Jul 19957836115.24$1,189
Jun 19957334116.41$1,198
May 199510741317.56$1,879
Apr 199513349017.73$2,358
Mar 199514051216.44$2,302
Feb 199516851316.58$2,785
Jan 199522373915.92$3,550
Dec 199411669315.03$1,743
Nov 199411770015.90$1,860
Oct 199413571615.58$2,103
Sep 199413472615.29$2,049
Aug 199419167216.13$3,081
Jul 199422869717.56$4,004
Jun 199415358917.09$2,615
May 199422768715.88$3,605
Apr 199424681214.14$3,478
Mar 199425797012.46$3,202
Feb 19942461,39812.50$3,075
Jan 19944162,56012.66$5,267
Dec 19938411,82512.33$10,370
Nov 19934791,50014.49$6,941
Oct 1993678115.85$95
Sep 19931931,03515.03$2,901
Aug 199311,20615.66$16
Jul 199301,21615.46$0
Jun 19933471,08816.79$5,826
May 199301,28617.68$0
Apr 19931771,21318.05$3,195
Mar 19933601,28818.14$6,530
Feb 19931721,18817.90$3,079
Jan 19931791,16216.93$3,030

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.

Oct 1995 — as filed, then multipliedworked
Oil                  127 bbl  × $ 15.43 =     $1,960
Casinghead gas       475 Mcf  ×  no price            —

────────────────────────────────────────────────────
Month total                                   $1,960

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. 7C/O/8135 is the state's own key, not one this site invented.