UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No.     )*

Swift Energy Company

(Name of Issuer)

Common Stock

(Title of Class of Securities)

87073T105

(CUSIP Number)

April 22, 2016

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

x Rule 13d-1(b)

¨ Rule 13d-1(c)

¨ Rule 13d-1(d)

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

Persons who respond to the collection of information contained in this form are not

required to respond unless the form displays a currently valid OMB control number.

13G

This Schedule 13G Amendment is being filed on behalf of DW Partners, LP, a Delaware limited partnership (“DWP”) and DW Investment Partners, LLC, a Delaware limited liability company (“DWIP”), relating to the Common Stock, of Swift Energy Company, a Texas corporation (the “Issuer”).

This Schedule 13G relates to Common Stock of the Issuer purchased by DWP through the accounts of certain private fund (collectively, the “Fund”). DWP serves as the investment manager to the Funds and may direct the vote and dispose of the 1,442,241 shares of Common Stock held by the Fund. DWIP serves as the general partner of DWP and may direct DWP to direct the vote and disposition of the 1,442,241 shares of Common Stock held by the Fund.

CUSIP No.

ITEM 1.

(a) Name of Issuer: Swift Energy Company

(b) Address of Issuer’s Principal Executive Offices: 17001 Northchase Drive, Suite 100, Houston, Texas 77060

ITEM 2.

(a) Name of Person Filing: DW Partners, LP (“DWP”) and DW Investment Partners, LLC (“DWIP”).

(b) Address of Principal Business Office, or if None, Residence:

590 Madison Avenue, 13th Floor

New York, NY 10022

(c) Citizenship: DWP is a limited partnership organized under the laws of the State of Delaware. DWIP is a limited liability company organized under the laws of the State of Delaware.

(d) Title of Class of Securities:

Common Stock

(e) CUSIP Number: 87073T105

ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO SS.240.13d-1(b) OR 240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

ITEM 4. OWNERSHIP.

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a) Amount beneficially owned:

13G

DWP and DWIP are the beneficial owners of 1,442,241 shares of Common Stock. (b) Percent of class: DWP and DWIP are the beneficial owners of 14.4% of the outstanding shares of Common Stock. This percentage is determined by dividing 1,442,241 by 10,000,000 the number of shares of Common Stock issued and outstanding as of April 27, 2016, as reported in the Issuer’s most recent Form 8-K filed on April 28, 2016.

(c) Number of shares as to which such person has: (i)

Sole power to vote or to direct the vote (ii)

Shared power to vote or to direct the vote

(iii) Sole power to dispose or to direct the disposition of

(iv) Shared power to dispose or to direct the disposition of

DWP, as the investment adviser to the Fund, may direct the vote and dispose of the 1,442,241 shares of Common Stock held by the Fund. DWIP, as the general partner of DWP, may direct it to direct the vote and dispose of the 1,442,241 shares of Common Stock held by the Fund.

INSTRUCTION. For computations regarding securities which represent a right to acquire an underlying security SEE ss.240.13d3(d)(1).

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.

INSTRUCTION: Dissolution of a group requires a response to this item.

ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON. N/A

If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than five percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.

ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY. N/A

If a parent holding company or Control person has filed this schedule, pursuant to Rule 13d-1(b)(1)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company or control person has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.

ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP. N/A

If a group has filed this schedule pursuant to ss.240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to ss.240.13d-1(c) or ss.240.13d-1(d), attach an exhibit stating the identity of each member of the group.

ITEM 9. NOTICE OF DISSOLUTION OF GROUP. N/A

Notice of dissolution of a group may be furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security reported on will be filed, if required, by members of the group, in their individual capacity. See Item 5.

ITEM 10. CERTIFICATIONS.

(a) The following certification shall be included if the statement is filed pursuant to Rule 13d-1(b):

“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 not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect.”

(b) The following certification shall be included if the statement is filed pursuant to Rule 13d-1(c):

“By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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 the securities and were not acquired and are not held in connection with or as a participant in any transaction having such purpose or effect.”

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

DW Partners, LP

By: DW Investment Partners, LLC, general partner

DW Investment Partners, LLC

The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative other than an executive officer or general partner of the filing person, evidence of the representative’s authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature.