    <SEC-DOCUMENT>0001104659-25-118705-index.html : 20251205
    <SEC-HEADER>0001104659-25-118705.hdr.sgml : 20251205
    <ACCEPTANCE-DATETIME>20251205091237
    ACCESSION NUMBER:		0001104659-25-118705
    CONFORMED SUBMISSION TYPE:	S-4
    PUBLIC DOCUMENT COUNT:		42
    FILED AS OF DATE:		20251205
    DATE AS OF CHANGE:		20251205

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SM Energy Co
    		CENTRAL INDEX KEY:			0000893538
    		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
    		ORGANIZATION NAME:           	01 Energy & Transportation
    		EIN:				410518430
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-291956
    		FILM NUMBER:		251551370

    	BUSINESS ADDRESS:
    		STREET 1:		1700 LINCOLN STREET
    		STREET 2:		SUITE 3200
    		CITY:			DENVER
    		STATE:			CO
    		ZIP:			80203
    		BUSINESS PHONE:		303-861-8140

    	MAIL ADDRESS:
    		STREET 1:		1700 LINCOLN STREET
    		STREET 2:		SUITE 3200
    		CITY:			DENVER
    		STATE:			CO
    		ZIP:			80203

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ST MARY LAND & EXPLORATION CO
    		DATE OF NAME CHANGE:	19940228
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-4
    <SEQUENCE>1
    <FILENAME>tm2530182-1_s4.htm
    <DESCRIPTION>S-4
    <TEXT>
    Document 1 - file: tm2530182-1_s4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>2
    <FILENAME>tm2530182d2_ex5-1.htm
    <DESCRIPTION>EXHIBIT 5.1
    <TEXT>
    Document 2 - file: tm2530182d2_ex5-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-8.1
    <SEQUENCE>3
    <FILENAME>tm2530182d2_ex8-1.htm
    <DESCRIPTION>EXHIBIT 8.1
    <TEXT>
    Document 3 - file: tm2530182d2_ex8-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>4
    <FILENAME>tm2530182d2_ex23-1.htm
    <DESCRIPTION>EXHIBIT 23.1
    <TEXT>
    Document 4 - file: tm2530182d2_ex23-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.2
    <SEQUENCE>5
    <FILENAME>tm2530182d2_ex23-2.htm
    <DESCRIPTION>EXHIBIT 23.2
    <TEXT>
    Document 5 - file: tm2530182d2_ex23-2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.3
    <SEQUENCE>6
    <FILENAME>tm2530182d2_ex23-3.htm
    <DESCRIPTION>EXHIBIT 23.3
    <TEXT>
    Document 6 - file: tm2530182d2_ex23-3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.4
    <SEQUENCE>7
    <FILENAME>tm2530182d2_ex23-4.htm
    <DESCRIPTION>EXHIBIT 23.4
    <TEXT>
    Document 7 - file: tm2530182d2_ex23-4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>8
    <FILENAME>tm2530182d2_ex99-1.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 8 - file: tm2530182d2_ex99-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>9
    <FILENAME>tm2530182d2_ex99-2.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 9 - file: tm2530182d2_ex99-2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.3
    <SEQUENCE>10
    <FILENAME>tm2530182d2_ex99-3.htm
    <DESCRIPTION>EXHIBIT 99.3
    <TEXT>
    Document 10 - file: tm2530182d2_ex99-3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.4
    <SEQUENCE>11
    <FILENAME>tm2530182d2_ex99-4.htm
    <DESCRIPTION>EXHIBIT 99.4
    <TEXT>
    Document 11 - file: tm2530182d2_ex99-4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.5
    <SEQUENCE>12
    <FILENAME>tm2530182d2_ex99-5.htm
    <DESCRIPTION>EXHIBIT 99.5
    <TEXT>
    Document 12 - file: tm2530182d2_ex99-5.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.6
    <SEQUENCE>13
    <FILENAME>tm2530182d2_ex99-6.htm
    <DESCRIPTION>EXHIBIT 99.6
    <TEXT>
    Document 13 - file: tm2530182d2_ex99-6.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.7
    <SEQUENCE>14
    <FILENAME>tm2530182d2_ex99-7.htm
    <DESCRIPTION>EXHIBIT 99.7
    <TEXT>
    Document 14 - file: tm2530182d2_ex99-7.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.8
    <SEQUENCE>15
    <FILENAME>tm2530182d2_ex99-8.htm
    <DESCRIPTION>EXHIBIT 99.8
    <TEXT>
    Document 15 - file: tm2530182d2_ex99-8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.9
    <SEQUENCE>16
    <FILENAME>tm2530182d2_ex99-9.htm
    <DESCRIPTION>EXHIBIT 99.9
    <TEXT>
    Document 16 - file: tm2530182d2_ex99-9.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.10
    <SEQUENCE>17
    <FILENAME>tm2530182d2_ex99-10.htm
    <DESCRIPTION>EXHIBIT 99.10
    <TEXT>
    Document 17 - file: tm2530182d2_ex99-10.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>18
    <FILENAME>tm2530182d1_ex-filingfees.htm
    <DESCRIPTION>EX-FILING FEES
    <TEXT>
    Document 18 - file: tm2530182d1_ex-filingfees.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>lg_civitas-4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: lg_civitas-4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>lg_evercore-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: lg_evercore-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>lg_jpmorgan-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: lg_jpmorgan-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>lg_smenergry-4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: lg_smenergry-4clr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>tm2530182d2_ex23-3img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: tm2530182d2_ex23-3img001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>tm2530182d2_ex23-3img002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: tm2530182d2_ex23-3img002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>tm2530182d2_ex5-1img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: tm2530182d2_ex5-1img001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>tm2530182d2_ex23-4img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: tm2530182d2_ex23-4img001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>tm2530182d2_ex99-1img01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: tm2530182d2_ex99-1img01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>tm2530182d2_ex99-1img02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: tm2530182d2_ex99-1img02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>tm2530182d2_ex99-2img01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: tm2530182d2_ex99-2img01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>tm2530182d2_ex99-2img02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: tm2530182d2_ex99-2img02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>tm2530182d2_ex8-1img01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: tm2530182d2_ex8-1img01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>tm2530182d2_ex8-1img02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: tm2530182d2_ex8-1img02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>34
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 34 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>35
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 35 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>36
    <FILENAME>R3.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 36 - file: R3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>37
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 37 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>38
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 38 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>40
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 40 - file: FilingSummary.html

    Document 40 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>42
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 42 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>43
    <FILENAME>0001104659-25-118705-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 43 - file: 0001104659-25-118705-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>44
    <FILENAME>tm2530182d1_ex-filingfees_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 44 - file: tm2530182d1_ex-filingfees_htm.html

    Document 44 - RAW XML: tm2530182d1_ex-filingfees_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>