SIMPSON-MANN (CANYON), District 01, 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
201
with a page here
Operators
13
Value, all time
$308.8 M
99% of the register's 204
Discovered
1984-09-01
Oil and gas

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 201 leases in this field that have a page here — 99% of the register's 204 — 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
Oil000 bbl0 mcfcasinghead17,890 bblsince discovery
Gas186171514,165 mcf30 bblcondensate70,290,563 mcfsince 1970

The discovery well's oil measured 45.5° API gravity, perforated at 5,700 ft.

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
GasO1988-10-10467 ft1,200 ft803,250 ft

Commission remarks: DOC.01-0219396 WELLS OP UNDER NET RATIO NOT EXCEED 550 MCF

Counties

Leases in this field

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

Showing the 200 largest of 201 leases, by the value we compute. Every one of them is in the sitemap.

LeaseOperatorValue
M. K. DANIEL 111AHILCORP ENERGY COMPANY$5.7 M
DANIEL, M. K. 110HILCORP ENERGY COMPANY$5.1 M
MEADOWS-STATE 10WOLFCAMP ENERGY, LLC$4.3 M
DANIEL, M. K.HILCORP ENERGY COMPANY$3.9 M
MEADOWSWOLFCAMP ENERGY, LLC$3.9 M
DANIEL, M. K. "113"HILCORP ENERGY COMPANY$3.7 M
DANIEL, M. K.HILCORP ENERGY COMPANY$3.6 M
BUNGER "5"OXY USA EOR, LLC$3.5 M
DANIEL, M. K. 112 "A"HILCORP ENERGY COMPANY$3.4 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$3.4 M
DANIEL, M. K. "112"HILCORP ENERGY COMPANY$3.3 M
DANIEL, M. K. "109"HILCORP ENERGY COMPANY$3.3 M
DANIEL, M. K. "113"HILCORP ENERGY COMPANY$3.2 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$3.2 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$3.1 M
BLACK, HALLIE 4AHILCORP ENERGY COMPANY$3.1 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$3.1 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$3.0 M
MEADOWS-STATE 10WOLFCAMP ENERGY, LLC$3.0 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$2.9 M
MEADOWSWOLFCAMP ENERGY, LLC$2.9 M
BLACK, HALLIE "3"HILCORP ENERGY COMPANY$2.9 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$2.8 M
DANIEL, M. K. "A'WOLFCAMP ENERGY, LLC$2.8 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$2.8 M
MEADOWSWOLFCAMP ENERGY, LLC$2.8 M
DANIEL, M. K. "113"HILCORP ENERGY COMPANY$2.8 M
DANIEL, M. K. "112"HILCORP ENERGY COMPANY$2.7 M
TENNECO FEESILVER OIL & GAS INC.$2.7 M
DANIEL, M. K.HILCORP ENERGY COMPANY$2.7 M
MEADOWSWOLFCAMP ENERGY, LLC$2.6 M
DANIEL, M. K.HILCORP ENERGY COMPANY$2.6 M
HALLIE BLACK "3A"HILCORP ENERGY COMPANY$2.6 M
DANIEL, M. K. "112"HILCORP ENERGY COMPANY$2.6 M
DANIEL, M. K. "113"HILCORP ENERGY COMPANY$2.5 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$2.5 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$2.5 M
BLACK, HALLIE "3A"HILCORP ENERGY COMPANY$2.4 M
DANIEL, M. K. "113"HILCORP ENERGY COMPANY$2.4 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$2.2 M
BLACK, HALLIE "3A"HILCORP ENERGY COMPANY$2.2 M
MEADOWSWOLFCAMP ENERGY, LLC$2.2 M
DANIEL, M. K. AWOLFCAMP ENERGY, LLC$2.2 M
TENNECO FEESILVER OIL & GAS INC.$2.2 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$2.2 M
DANIEL, M. K. AWOLFCAMP ENERGY, LLC$2.1 M
DANIEL-STATE 2WOLFCAMP ENERGY, LLC$2.1 M
MEADOWSWOLFCAMP ENERGY, LLC$2.1 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$2.1 M
DANIEL-STATE 2WOLFCAMP ENERGY, LLC$2.1 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$2.0 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$2.0 M
BUNGER "5"OXY USA EOR, LLC$2.0 M
DANIEL, M. K. "A"TEMA OIL AND GAS COMPANY$2.0 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$2.0 M
MEADOWSWOLFCAMP ENERGY, LLC$2.0 M
DANIEL STATE "2"WOLFCAMP ENERGY, LLC$2.0 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$2.0 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$2.0 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.9 M
BLACK, HALLIE 108HILCORP ENERGY COMPANY$1.9 M
DANIEL-STATE 2WOLFCAMP ENERGY, LLC$1.9 M
DANIEL-STATE 2WOLFCAMP ENERGY, LLC$1.9 M
DANIEL-STATE 2WOLFCAMP ENERGY, LLC$1.9 M
DANIEL - STATE 2WOLFCAMP ENERGY, LLC$1.8 M
DANIELS, M. K. 112AHILCORP ENERGY COMPANY$1.8 M
DANIEL - STATE "2"WOLFCAMP ENERGY, LLC$1.8 M
MEADOWSWOLFCAMP ENERGY, LLC$1.8 M
DANIEL, M. K. "A'WOLFCAMP ENERGY, LLC$1.8 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.8 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$1.8 M
DANIEL, M. K. "113"HILCORP ENERGY COMPANY$1.8 M
DANIEL, M. K.TEMA OIL AND GAS COMPANY$1.8 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.7 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.7 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.7 M
MEADOWS-STATE 10WOLFCAMP ENERGY, LLC$1.7 M
MEADOWSWOLFCAMP ENERGY, LLC$1.7 M
DANIELS, M. K. III AHILCORP ENERGY COMPANY$1.7 M
MEADOWSWOLFCAMP ENERGY, LLC$1.6 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.6 M
DANIEL, M. K. 111 "A"HILCORP ENERGY COMPANY$1.6 M
BLACK, HALLIE "3A"HILCORP ENERGY COMPANY$1.6 M
MITCHELL, MYRTLEWTG EXPLORATION$1.6 M
MEADOWS "8"SILVER OIL & GAS INC.$1.6 M
MEADOWSWOLFCAMP ENERGY, LLC$1.5 M
DANIEL - STATE 2WOLFCAMP ENERGY, LLC$1.5 M
DANIEL, M. K. 112AHILCORP ENERGY COMPANY$1.5 M
BLACK, HALLIE 3HILCORP ENERGY COMPANY$1.5 M
DANIEL, M. K. "109"HILCORP ENERGY COMPANY$1.5 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.5 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$1.5 M
DANIEL, M. K.HILCORP ENERGY COMPANY$1.5 M
DANIEL, M. K.HILCORP ENERGY COMPANY$1.5 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.5 M
DANIEL, M. K. "112"HILCORP ENERGY COMPANY$1.5 M
DANIEL, M. K. "113"HILCORP ENERGY COMPANY$1.4 M
TENNECO FEESILVER OIL & GAS INC.$1.4 M
DANIEL, M. K.HILCORP ENERGY COMPANY$1.4 M
DANIEL, M. K.HILCORP ENERGY COMPANY$1.4 M
TENNECO FEESILVER OIL & GAS INC.$1.4 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$1.4 M
BLACK, HALLIE 3HILCORP ENERGY COMPANY$1.4 M
M. K. DANIEL IIIAOCCIDENTAL PERMIAN EOR, LLC$1.3 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$1.3 M
MEADOWSWOLFCAMP ENERGY, LLC$1.3 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.3 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.3 M
DANIEL, M. K. "110"OCCIDENTAL PERMIAN EOR, LLC$1.3 M
DANIEL, M. K. "110"HILCORP ENERGY COMPANY$1.3 M
DANIEL, M. K.HILCORP ENERGY COMPANY$1.2 M
BLACK, HALLIE "3A"HILCORP ENERGY COMPANY$1.2 M
MEADOWSWOLFCAMP ENERGY, LLC$1.2 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$1.2 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.2 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.2 M
BLACK, HALLIE "3"HILCORP ENERGY COMPANY$1.2 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.2 M
MEADOWS-STATE 2WOLFCAMP ENERGY, LLC$1.2 M
MEADOWSWOLFCAMP ENERGY, LLC$1.1 M
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$1.1 M
MEADOWSWOLFCAMP ENERGY, LLC$1.1 M
DANIEL, M. K.HILCORP ENERGY COMPANY$1.1 M
DANIELSILVER OIL & GAS INC.$1.1 M
MALONEOXY USA EOR, LLC$1.1 M
BUNGER "5"OXY USA EOR, LLC$1.0 M
DANIEL, M. K. -A-TEMA OIL AND GAS COMPANY$1.0 M
DANIEL, M. K. "109"HILCORP ENERGY COMPANY$1.0 M
DANIEL, M. K.WOLFCAMP ENERGY, LLC$1.0 M
MEADOWSWOLFCAMP ENERGY, LLC$1.0 M
DANIEL, M. K. 112 "A"HILCORP ENERGY COMPANY$994 k
HALLIE BLACK 4BHILCORP ENERGY COMPANY$990 k
MALONE "13"OXY USA EOR, LLC$988 k
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$980 k
DANIEL, M. K.WOLFCAMP ENERGY, LLC$974 k
BLACK, HALLIE "3B"HILCORP ENERGY COMPANY$971 k
BLACK, HALLIE "4A"HILCORP ENERGY COMPANY$969 k
BLACK, HALLIE "3A"HILCORP ENERGY COMPANY$954 k
DANIEL, M. K.UPP OPERATING, LLC$952 k
DANIEL, M. K.HILCORP ENERGY COMPANY$930 k
DANIEL, M. K.WOLFCAMP ENERGY, LLC$929 k
DANIEL, M. K. 111 "A"HILCORP ENERGY COMPANY$914 k
DANIEL STATE 2WOLFCAMP ENERGY, LLC$908 k
DANIEL, M. K. "112" UNITHILCORP ENERGY COMPANY$895 k
DANIELSILVER OIL & GAS INC.$886 k
BLACK, HALLIE "9"HILCORP ENERGY COMPANY$863 k
DANIEL, M. K.HILCORP ENERGY COMPANY$855 k
DANIEL-STATE "2"WOLFCAMP ENERGY, LLC$845 k
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$829 k
FOSTER, J. R. "81"HIGHMOUNT EXPL & PROD TEXAS LLC$812 k
DANIEL, M. K.WOLFCAMP ENERGY, LLC$789 k
MEADOWSWOLFCAMP ENERGY, LLC$770 k
DANIEL, M. K.WOLFCAMP ENERGY, LLC$754 k
DANIEL, M. K. 111 "A"HILCORP ENERGY COMPANY$752 k
BLACK, HALLIE "3"HILCORP ENERGY COMPANY$752 k
MEADOWS-STATE 10WOLFCAMP ENERGY, LLC$726 k
MEADOWS-STATE 10WOLFCAMP ENERGY, LLC$724 k
MEADOWS-STATE 10WOLFCAMP ENERGY, LLC$718 k
DANIEL, M. K. 109HILCORP ENERGY COMPANY$693 k
DANIEL, M. K. "8"SILVER OIL & GAS INC.$688 k
DANIEL, M. K. 112 "A"HILCORP ENERGY COMPANY$687 k
MEADOWS-STATE 10WOLFCAMP ENERGY, LLC$679 k
HALLIE BLACK 4BHILCORP ENERGY COMPANY$638 k
DANIEL, M. K.WOLFCAMP ENERGY, LLC$636 k
DANIEL, M. K.HILCORP ENERGY COMPANY$604 k
MEADOWS-STATE 10WOLFCAMP ENERGY, LLC$598 k
FOSTER, JR "81"HIGHMOUNT EXPL & PROD TEXAS LLC$594 k
DANIEL, M. K. "110"HILCORP ENERGY COMPANY$576 k
DANIEL, M. K. "A"WOLFCAMP ENERGY, LLC$551 k
DANIEL, M. K.HILCORP ENERGY COMPANY$550 k
DANIEL, M. K. 111 "A"HILCORP ENERGY COMPANY$547 k
MEADOWS-STATE 12WOLFCAMP ENERGY, LLC$546 k
DANIELSILVER OIL & GAS INC.$536 k
BLACK, HALLIE "9"HILCORP ENERGY COMPANY$516 k
DANIEL, M. K.HILCORP ENERGY COMPANY$503 k
DANIEL, M. K.HILCORP ENERGY COMPANY$503 k
M. K. DANIEL 111AHILCORP ENERGY COMPANY$501 k
MEADOWSWOLFCAMP ENERGY, LLC$473 k
HALLIE BLACK 4BHILCORP ENERGY COMPANY$455 k
DANIEL, M. K.HILCORP ENERGY COMPANY$450 k
HALLIE BLACK 3AHILCORP ENERGY COMPANY$427 k
MEADOWS-STATE 10WOLFCAMP ENERGY, LLC$423 k
FOSTER, JR "81"HIGHMOUNT EXPL & PROD TEXAS LLC$421 k
DANIEL, M. K. "110"HILCORP ENERGY COMPANY$401 k
DANIEL, M. K.WOLFCAMP ENERGY, LLC$392 k
DANIELSILVER OIL & GAS INC.$385 k
DANIEL, M. K.HILCORP ENERGY COMPANY$368 k
MEADOWSWOLFCAMP ENERGY, LLC$359 k
FOSTER, J.R. "82"HIGHMOUNT EXPL & PROD TEXAS LLC$245 k
DANIEL, M.K. "A"WOLFCAMP ENERGY, LLC$212 k
BUNGER "5"OXY USA INC.$210 k
MALONE "11"OXY USA INC.$204 k
MITCHELL 10RED STAG OPERATING, LLC$186 k
MYRTLE MITCHELL 7 UNITRED STAG OPERATING, LLC$185 k
DANIEL, M. K.HILCORP ENERGY COMPANY$155 k
MALONE "12"OXY USA EOR, LLC$89 k
DANIEL, M. K.HILCORP ENERGY COMPANY$77 k
DANIEL, M. K. 'A'TEMA OIL AND GAS COMPANY$76 k
BLACK, HALLIE "8"OCCIDENTAL PERMIAN LTD.$32 k
FOSTER, J.R. "82"HIGHMOUNT EXPL & PROD TEXAS LLC$16 k

Field number 83704300, from the Railroad Commission's field register. The register's own index resolves 204 leases and 205 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.