EPSN Epsilon Energy Ltd

CUSIP NO. 294375209   13G


1     Name of Reporting Person
      Advisory Research Energy Fund, L.P.

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2     Check the Appropriate Box if a Member of a Group    (a)  [ ]
                                                          (b)  [ ]

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3     SEC Use Only

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4     Citizenship or Place of Organization
      Delaware

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   Number of
                   5     Sole Voting Power
    Shares               0 Shares
                   -----------------------------------------------
 Beneficially
                   6     Shared Voting Power
   Owned By              0 Shares
                   -----------------------------------------------
     Each
                   7     Sole Dispositive Power
   Reporting             0 Shares
                   -----------------------------------------------
    Person
                   8     Shared Dispositive Power
     With                0 Shares
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9     Aggregate Amount Beneficially Owned by Each Reporting Person
      0 Shares

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10    Check if the Aggregate Amount in Row (9) Excludes Certain
      Shares  [ ]

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11    Percent of Class Represented by Amount in Row (9)
      0.0%

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12    Type of Reporting Person
      PN

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Item 1     (a)  Name of Issuer:
                Epsilon Energy Ltd.

           (b)  Name of Issuer's Principal Executive Offices:
                16945 Northchase Drive, Suite 1610
                Houston, TX  77060


Item 2     (a)  Person Filing:
                Advisory Research Energy Fund, L.P.

           (b)  Address:
                180 N. Stetson Ave., Suite 5500
                Chicago, IL 60601

           (c)  Citizenship:
                Advisory Research Energy Fund, L.P. is an Delaware Limited Partnership

           (d)  Title of Class of Securities:
                Common Stock

           (e)  CUSIP Number:
                294375209

Item 3     If this statement is filed pursuant to sections
           240.13d-1(b) or 240.13d-2(b) or (c), check whether the
           person filing is a:

                (a) [ ]  Broker or Dealer registered under Section
                         15 of the Act

                (b) [ ]  Bank as defined in Section 3(a)(6) of the
                         Act

                (c) [ ]  Insurance Company as defined in Section
                         3(a)(19) of the Act

                (d) [ ]  Investment Company registered under
                         Section 8 of the Investment Company Act

                (e) [ ]  Investment Advisor in accordance with
                         section 240.13d-1(b)(1)(ii)(E)

                (f) [ ]  Employee Benefit Plan or Endowment Fund
                         in accordance with section 240.13d-1(b)
                         (1)(ii)(F)

                (g) [ ]  Parent Holding Company or Control Person
                         in accordance with section 13d-1(b)
                         (1)(ii)(G)

                (h) [ ]  A savings association as defined in
                         section 3(b) of the Federal Deposit
                         Insurance Act

                (i) [ ]  A church plan that is excluded from
                         the definition of an investment company
                         under section 3(c)(14) of the Investment
                         Company Act of 1940

Item 4     Ownership

           (a)  Amount Beneficially Owned:
                Advisory Research Energy Fund, LP     0 Shares

           (b)  Percent of Class            0.0%

           (c)  Number of shares as to which reporting person has:
                (i)    Sole Voting Power            0 Shares
                (ii)   Shared Voting Power          0 Shares
                (iii)  Sole Dispositive Power       0 Shares
                (iv)   Shared Dispositive Power     0 Shares

Item 5     Ownership of Five Percent or Less of a Class:
           If this statement is being filed to report the fact
           that as of the date hereof the reporting person has
           ceased to be the beneficial owner of more than five
           percent of the class of securities, check the
           following [X]

Item 6     Ownership of More than Five Percent on Behalf of Another
           Person:

           Not Applicable

Item 7     Identification and Classification of the Subsidiary
           Which Acquired the Security being Reported on by the
           Parent Holding Company:

           Not Applicable

Item 8     Identification and Classification if Members of
           the Group:

           Not Applicable

Item 9     Notice of Dissolution of Group:

           Not Applicable

Item 10    Certification

           By signing below I certify that, to the best of my
           knowledge and belief, the securities referred to
           above were acquired and are held in the ordinary
           course of business and were not acquired and are
           not held for the purpose of or with the effect of
           changing or influencing the control of the issuer
           of such securities and were not acquired and are
           not held in connection with or as a participant
           in any transaction having such purposes or effect.




                        SIGNATURE

           The undersigned certify, after reasonable inquiry
           and to the best knowledge and belief of the undersigned,
           that the information set forth in this Statement is true,
           complete and correct.  The undersigned agree to the
           filing of this single Statement on Schedule 13G.


                           Advisory Research, Inc.

Date:  February 7, 2023    By:  /s/ Matthew K. Swaim
                           Name: Matthew K. Swaim
                           Title: Chief Executive Officer