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DIAMOND -M- (CLEAR FORK), District 8A, Texas

A field is the Railroad Commission's unit of geology and of regulation. Its spacing rule is what decides how many wells an acreage can hold.

Leases
49
with a page here
Operators
9
Value, all time
$338.4 M
94% of the register's 52
Discovered
1940-10-09
Oil

Our estimate: volumes the operator filed with the Commission, valued at the EIA first-purchase price for that month. It is not a payment anyone received, and it is not a royalty. It sums the 49 leases in this field that have a page here — 94% of the register's 52 — so it understates the field.

Production, 2025

The Railroad Commission's Oil and Gas Annual Report for 2025, its most recent. These are the state's figures for the whole field, not ours.

WellsIn the fieldProducingProduced in 2025Also producedCumulative
Oil31813038,078 bbl0 mcfcasinghead13,087,437 bblsince discovery

The discovery well's oil measured 31.7° API gravity, perforated at 3,170 ft.

Hydrogen sulphide

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
OilB—330 ft660 ft201,500 ft
OilO—330 ft660 ft101,100 ft

Commission remarks: DIAMOND -M- (SAN ANDRES)CONS TO THIS FLD PER DOC 8A-0201285 4-5-93

County

Scurry County

Leases in this field

Every lease here files this field's number with the Commission and has a page on this site.

LeaseOperatorValue
BOYD, R. W.CROSSROADS OPERATING, LLC$32.7 M
BOYLES, P. PCROSSROADS OPERATING, LLC$28.7 M
BOYD CONSOLIDATEDCROSSROADS OPERATING, LLC$25.6 M
MCLAUGHLIN ACCT. 1ATLAS OPERATING LLC$21.5 M
WILSON, L. M. "MA"CROSSROADS OPERATING, LLC$19.8 M
BOYLES, G. D.CROSSROADS OPERATING, LLC$17.8 M
WILLIAMSON, IONACROSSROADS OPERATING, LLC$16.1 M
BOYD, M. M.CROSSROADS OPERATING, LLC$14.7 M
POLLARD, T. W.CROSSROADS OPERATING, LLC$14.2 M
BYNUM UNITCROSSROADS OPERATING, LLC$10.9 M
GERTIEATLAS OPERATING LLC$10.7 M
JACKATLAS OPERATING LLC$10.6 M
CLARENCEATLAS OPERATING LLC$9.5 M
SAWYERONAROLL OPERATING LLC$8.3 M
MCLAUGHLIN ACCT. 3ATLAS OPERATING LLC$7.9 M
MCLAUGHLIN ACCT. 2ATLAS OPERATING LLC$7.3 M
BURROWSCROSSROADS OPERATING, LLC$7.2 M
THURSTONATLAS OPERATING LLC$6.9 M
MCLAUGHLIN ACCT-4ATLAS OPERATING LLC$6.1 M
MCLAUGHLIN "A"UNITEX OIL & GAS, L.L.C.$5.9 M
MARCHBANKS "G"CROSSROADS OPERATING, LLC$5.6 M
MARCHBANKS "B"CROSSROADS OPERATING, LLC$5.4 M
MARR, C. C.CROSSROADS OPERATING, LLC$4.9 M
MCLAUGHLIN "B"CROSSROADS OPERATING, LLC$4.7 M
BISHOP "B"CROSSROADS OPERATING, LLC$3.6 M
EILANDMORGAN CREEK PRODUCTION CO., INC$3.4 M
MCLAUGHLINCROSSROADS OPERATING, LLC$3.4 M
HOLTUNITEX OIL & GAS, L.L.C.$3.3 M
GREEN, J. L.UNITEX OIL & GAS, L.L.C.$2.8 M
GERTIE "A"PARALLEL PETROLEUM CORPORATION$2.6 M
BISHOP "A"CROSSROADS OPERATING, LLC$2.5 M
MARCHBANKS "E"CROSSROADS OPERATING, LLC$2.3 M
MARCHBANKS "F"CROSSROADS OPERATING, LLC$2.2 M
MARCHBANKS "A"CROSSROADS OPERATING, LLC$1.7 M
BOYD, M. A.UNITEX OIL & GAS, L.L.C.$1.6 M
BRUMLEY "A"ATLAS OPERATING LLC$1.3 M
BISHOP, C. U. "C"CROSSROADS OPERATING, LLC$1.1 M
MARR, C. C. "B"CROSSROADS OPERATING, LLC$923 k
MCLAUGHLINUNITEX OIL & GAS, L.L.C.$829 k
BYNUM, J.N. "B"ANADARKO PETROLEUM CORPORATION$439 k
MARR, C. C.ONAROLL OPERATING LLC$399 k
MARCHBANKS "C"CROSSROADS OPERATING, LLC$291 k
BYNUM, J. N.ANADARKO PETROLEUM CORPORATION$156 k
MARCHBANKS "D"CROSSROADS OPERATING, LLC$153 k
HUDDLESTONCROSSROADS OPERATING, LLC$115 k
BYNUM, J. N. "A"ANADARKO PETROLEUM CORPORATION$84 k
BYNUM, J. N. "C"ANADARKO PETROLEUM CORPORATION$46 k
MCLAUGHLIN FEEGRAY, GORDON OPERATOR$12 k
BIRDWELLLARIO OIL & GAS COMPANY$2 k

Field number 24562284, from the Railroad Commission's field register. The register's own index resolves 52 leases and 468 wells to this field by name, over every lease in Texas rather than only those with a page here. It resolves a lease by NAME and refuses an ambiguous one, so it counts nothing for a field that shares its name with another — which is why the lease count above comes from the field number instead.