<SEC-DOCUMENT>0001562180-25-005895.txt : 20250819
<SEC-HEADER>0001562180-25-005895.hdr.sgml : 20250819
<ACCEPTANCE-DATETIME>20250819170611
ACCESSION NUMBER:		0001562180-25-005895
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250818
FILED AS OF DATE:		20250819
DATE AS OF CHANGE:		20250819

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			INTRIERI VINCENT J
		CENTRAL INDEX KEY:			0001350114
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33784
		FILM NUMBER:		251232802

	MAIL ADDRESS:	
		STREET 1:		C/O ICAHN ENTERPRISES L.P.
		STREET 2:		16690 COLLINS AVE., PH
		CITY:			SUNNY ISLES
		STATE:			FL
		ZIP:			33160

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SANDRIDGE ENERGY INC
		CENTRAL INDEX KEY:			0001349436
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				208084793
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 E. SHERIDAN AVE
		STREET 2:		SUITE 500
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73104
		BUSINESS PHONE:		405-429-5500

	MAIL ADDRESS:	
		STREET 1:		1 E. SHERIDAN AVE
		STREET 2:		SUITE 500
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RIATA ENERGY INC
		DATE OF NAME CHANGE:	20060111
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-08-18</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001349436</issuerCik>
        <issuerName>SANDRIDGE ENERGY INC</issuerName>
        <issuerTradingSymbol>SD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001350114</rptOwnerCik>
            <rptOwnerName>INTRIERI VINCENT J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1 EAST SHERIDAN AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 500</rptOwnerStreet2>
            <rptOwnerCity>OKLAHOMA CITY</rptOwnerCity>
            <rptOwnerState>OK</rptOwnerState>
            <rptOwnerZipCode>73104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-08-18</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>25000.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.9619</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>46976.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The transaction was executed in multiple trades at prices ranging from $10.925 to $10.98; the price reported above reflects the weighted average sale price.  The Reporting Person hereby undertakes to provide full information regarding the number of shares and prices at which were effected upon request to the SEC staff.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Gaye Wilkerson, as attorney in fact for Vincent J. Intrieri</signatureName>
        <signatureDate>2025-08-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
