Related Party Transactions	12 Months Ended
Dec. 31, 2022
Related Party Transactions [Abstract]
Related Party Transactions	Note 11 — Related Party Transactions Apollo Funds and Riverstone Funds On February 3, 2012, Talos Energy LLC completed a transaction with funds and other alternative investment vehicles managed by Apollo Management VII, L.P. and Apollo Commodities Management, L.P., with respect to Series I (“Apollo Funds”), and entities controlled by or affiliated with Riverstone Energy Partners V, L.P. (“Riverstone Funds” and together with the Apollo Funds, the “Sponsors”) and members of management pursuant to which the Company received a private equity capital commitment. On January 3, 2022, the Apollo Funds ceased being a beneficial owner of more than five percent of the Company’s common stock. Riverstone Funds held 14.9% of the Company’s common stock as of December 31, 2022. ILX and Castex Acquisition On February 28, 2020 the Company acquired assets and liabilities at fair value from sellers that include, the Riverstone Sellers, affiliates of the Riverstone Funds. See additional details in Note 3 — Acquisitions. Whistler Acquisition On August 31, 2018, the Company acquired Whistler Energy II, LLC from Whistler Energy II Holdco, LLC, an affiliate of the Apollo Funds. A settlement agreement related to a dispute regarding the decommissioning obligation of a Deepwater well was executed in September 2021. For the year ended December 31, 2021, the Company recognized a $4.4 million gain resulting from the settlement which is reflected in “Other income (expense)” on the Company’s Consolidated Statements of Operations. Registration Rights Agreements On May 10, 2018, the Company entered into a Registration Rights Agreement (the “Original Equity Registration Rights Agreement”) with certain of the Apollo Funds and the Riverstone Funds, certain funds controlled by Franklin Advisers, Inc. (“Franklin”) and certain clients of MacKay Shields LLC (“MacKay Shields”), relating to the registered resale of the Company’s common stock owned by such parties as of the closing of the Stone Combination (the “Original Registrable Securities”). The Company and the Riverstone Sellers (and their designated affiliates) agreed under the Purchase Agreements to enter into an amendment to the Original Equity Registration Rights Agreement (such amendment, the “Registration Rights Agreement Amendment,” and the Original Equity Registration Rights Agreement, as amended by the Registration Rights Agreement Amendment, the “Registration Rights Agreement”). The Registration Rights Agreement Amendment will add each of the Riverstone Sellers (or one or more of its designated affiliates) as parties to the Registration Rights Agreement and provide such parties with customary registration rights with respect to the Series A Convertible Preferred Stock (and Conversion Stock) (each as defined below) that the Riverstone Sellers received at the closing of the ILX and Castex Acquisition (the “New Registrable Securities” and together with the Original Registrable Securities, the “Registrable Securities”). Under the Registration Rights Agreement, the Company is required to file a shelf registration statement within 30 days of the Company’s receipt of written request by a holder of Registrable Securities (a “Holder”). Each Holder will be limited to two demand registrations in any twelve-month period. The Holders have the right to request that the Company initiate underwritten offerings of the Company’s common stock; provided, that the Apollo Funds and the Riverstone Funds will have the right to demand three underwritten offerings in any twelve-month period, and Franklin and MacKay Shields will only have the collective right to demand one underwritten offering. The Holders have customary piggyback rights with respect to any underwritten offering that the Company conducts for as long as the Holders and their respective affiliates own 5% of the Registrable Securities. Each Holder will agree to a lock up with underwriters in the event of an underwritten offering, provided that the lock up will not apply to any Holder who does not have a right to participate in such underwritten offering. The Registration Rights Agreement have terminated with respect to Franklin and MacKay Shields. Additionally, the Apollo Funds no longer have piggyback rights effective January 3, 2022. The Registration Rights Agreement will otherwise terminate at such time as there are no Registrable Securities outstanding. In connection with the closing of the ILX and Castex Acquisition, and pursuant to the Purchase Agreements, as amended, the Company and ILX Holdings, LLC, ILX Holdings II, LLC, ILX Holdings III LLC and Riverstone V Castex 2014 Holdings, L.P., a Delaware limited partnership and designee of Castex Energy 2014, LLC, entered into the Registration Rights Agreement Amendment to the Registration Rights Agreement to, among other things, add each of the Riverstone Sellers (or one or more of its designated affiliates) as parties to the Registration Rights Agreement and provide such parties with customary registration rights with respect to the Company’s Series A Convertible Preferred Stock issued to the Riverstone Sellers at the closing of the ILX and Castex Acquisition The Company will bear all of the expenses incurred in connection with any offer and sale, while the selling stockholders will be responsible for paying underwriting fees, discounts and selling commissions. The Company incurred fees of nil, $0.7 million and $0.2 million for the fiscal years ended December 31, 2022, 2021 and 2020, respectively. In June and November of 2021, the Company entered into separate secondary underwriting agreements with certain stockholders affiliated with the Sponsors (the “Selling Stockholders”), pursuant to which the Selling Stockholders sold shares of common stock of the Company. Each secondary offering was made pursuant to a prospectus supplement filed with the SEC. The Selling Stockholders received all the proceeds from these offerings. In connection with the Company’s entry into the EnVen Merger Agreement on September 21, 2022 to acquire EnVen, the Company entered into a registration rights agreement (the “2022 Registration Rights Agreement”) with Adage Capital Partners, L.P. (“Adage”) and affiliated entities of Bain Capital, LP (“Bain”). Pursuant to the 2022 Registration Rights Agreement, the Company grants to Adage and Bain certain demand, “piggy-back” and shelf registration rights with respect to the shares of the Company’s common stock to be received by such entities in the EnVen Acquisition, subject to certain customary thresholds and conditions. Additionally, the Company agrees to pay certain expenses of the parties incurred in connection with the exercise of their rights under such agreement and to indemnify them for certain securities law matters in connection with any registration statement filed pursuant thereto. The 2022 Registration Rights Agreement will become effective at the closing of the EnVen Acquisition. Subsequent Event — On February 13, 2023, in conjunction with the closing of the EnVen Acquisition, the 2022 Registration Rights Agreement became effective. Adage and Bain hold approximately 5.1% and 12.3%, respectively, of the Company’s outstanding shares of common stock. Amended and Restated Stockholders’ Agreement On May 10, 2018, the Company entered into a Stockholders’ Agreement (the “Stockholders’ Agreement”) by and among the Company and the other parties thereto. On February 24, 2020, the Company and the other parties thereto amended the Stockholders’ Agreement to, among other things, add each of the Riverstone Sellers (or one or more of its designated affiliates) as parties to the Stockholders’ Agreement and provide that for purposes of determining whether the Riverstone Sellers and their affiliates continue to satisfy certain stock ownership requirements necessary to retain their rights to nominate directors to the board of directors, the Series A Convertible Preferred Stock owned by the Riverstone Sellers was, prior to the conversion thereof, counted towards such ownership requirements on an as converted basis at the closing of the ILX and Castex Acquisition. On March 30, 2020, all 110,000 shares of Series A Convertible Preferred Stock were converted into an aggregate 11.0 million shares of the Company’s common stock. On March 29, 2022, the Company and other parties thereto, entered into the Amended and Restated Stockholders’ Agreement, in connection with the resignation of certain members of the Company's Board of Directors (the “Amended and Restated Stockholders’ Agreement”). The Amended and Restated Stockholders’ Agreement, among other things, (i) terminates the rights of the Apollo Funds under the Stockholders’ Agreement and (ii) eliminates the requirement that the Board of Directors consist of ten members. The Riverstone Funds have agreed to vote their shares of the Company’s common stock in favor of any nominee designated and nominated for election to the Board of Directors in accordance with the terms of the Amended and Restated Stockholders’ Agreement and in a manner consistent with the recommendation of the Nominating and Governance Committee with respect to all other nominees. In connection with the pending EnVen Acquisition, the Company and the Riverstone Funds have agreed to terminate the Amended and Restated Stockholders’ Agreement, which will eliminate the Riverstone Funds’ designation rights with respect to the Company’s Board of Directors. Subsequent to the termination of the Amended and Restated Stockholders’ Agreement, the Riverstone Funds’ present designee to the Company’s Board of Directors, Mr. Robert M. Tichio, will immediately tender his resignation. The termination of the Amended and Restated Stockholders’ Agreement is contingent upon the successful closing of the EnVen Acquisition. Subsequent Event — On February 13, 2023, in conjunction with the closing of the EnVen Acquisition, the Amended and Restated Stockholders’ Agreement was terminated and Mr. Robert M. Tichio resigned from the Company’s Board of Directors. Riverstone Support Agreement In connection with the pending EnVen Acquisition, the Company, EnVen and the Riverstone Funds entered into a support agreement pursuant to which the Riverstone Funds have agreed, among other things, to (i) vote all shares of Company common stock beneficially owned (a) in favor of the share issuance to EnVen equityholders, (b) in favor of the amendment and/or restatement of the Company’s organizational documents as necessary or appropriate to reflect the termination of the Amended and Restated Stockholders’ Agreement, (c) in favor of any other proposals necessary or appropriate in connection with the EnVen Acquisition and (d) against, among other things, (A) any Acquisition Proposal (as defined in the EnVen Merger Agreement) with respect to the Company and (B) any other proposal that could reasonably be expected to materially impede or delay the EnVen Acquisition or result in a breach of any representation or covenant of the Company under the EnVen Merger Agreement (as defined herein), (ii) terminate the Amended and Restated Stockholders’ Agreement, and (iii) cause Mr. Tichio to resign from the Company’s Board of Directors, in each case of the foregoing clauses (ii) and (iii), effective immediately prior to, but conditioned on, the occurrence of the closing of the EnVen Acquisition. Legal Fees The Company has engaged the law firm Vinson & Elkins L.L.P. (“V&E”) to provide legal services. An immediate family member of William S. Moss III, the Company’s Executive Vice President and General Counsel and one of its executive officers, is a partner at V&E. For the years ended December 31, 2022, 2021 and 2020, the Company incurred fees of approximately $4.8 million, $3.1 million and $3.5 million, respectively, of which $1.3 million, $0.2 million and $0.7 million were payable at each respective balance sheet date for legal services performed by V&E. Bayou Bend CCS LLC On March 8, 2022, the Company made a $2.3 million cash contribution for a 50% membership interest in Bayou Bend. On May 24, 2022, the Company sold a 25% membership interest to Chevron U.S.A. Inc. (“Chevron”) for upfront cash consideration of $15.0 million. Chevron also agreed to fund up to $10.0 million of contributions to Bayou Bend on the Company’s behalf, of which $1.4 million was funded during the year ended December 31, 2022. The Bayou Bend investment will be increased with an offsetting gain as the capital carry is funded by Chevron. The Company recognized a $15.3 million gain on the partial sale of its investment in Bayou Bend during the year ended December 31, 2022, which is included in “Equity method investment income” on the Consolidated Statements of Operations. As of December 31, 2022, the Company owns a 25% membership interest in Bayou Bend, which is a variable interest entity and accounted for using the equity method of accounting. Bayou Bend has a CCS site located offshore Jefferson County, Texas, near the Beaumont and Port Arthur, Texas industrial corridor that is in the early stages of development. The development of the Bayou Bend CCS hub project is currently being financed through equity contributions from its members. The Company’s maximum exposure to loss as result of its involvement with Bayou Bend is the carrying amount of its investment. Under an operating agreement, which was amended on May 24, 2022, the Company has agreed to provide certain services to facilitate Bayou Bend’s operations and to fulfill other general and administrative functions relating to the operation and management of Bayou Bend and its business. The Company will invoice Bayou Bend for reimbursement of direct and indirect general and administrative expenses incurred as well as all other direct out-of-pocket costs and expenses incurred or paid on behalf of Bayou Bend. The Company had a $0.7 million related party receivable from Bayou Bend as of December 31, 2022.

Related Party Transactions

12 Months Ended

Dec. 31, 2022

Note 11 — Related Party Transactions

Apollo Funds and Riverstone Funds

On February 3, 2012, Talos Energy LLC completed a transaction with funds and other alternative investment vehicles managed by Apollo Management VII, L.P. and Apollo Commodities Management, L.P., with respect to Series I (“Apollo Funds”), and entities controlled by or affiliated with Riverstone Energy Partners V, L.P. (“Riverstone Funds” and together with the Apollo Funds, the “Sponsors”) and members of management pursuant to which the Company received a private equity capital commitment. On January 3, 2022, the Apollo Funds ceased being a beneficial owner of more than five percent of the Company’s common stock. Riverstone Funds held 14.9% of the Company’s common stock as of December 31, 2022.

ILX and Castex Acquisition

On February 28, 2020 the Company acquired assets and liabilities at fair value from sellers that include, the Riverstone Sellers, affiliates of the Riverstone Funds. See additional details in Note 3 — Acquisitions.

Whistler Acquisition

On August 31, 2018, the Company acquired Whistler Energy II, LLC from Whistler Energy II Holdco, LLC, an affiliate of the Apollo Funds. A settlement agreement related to a dispute regarding the decommissioning obligation of a Deepwater well was executed in September 2021. For the year ended December 31, 2021, the Company recognized a $4.4 million gain resulting from the settlement which is reflected in “Other income (expense)” on the Company’s Consolidated Statements of Operations.

Registration Rights Agreements

On May 10, 2018, the Company entered into a Registration Rights Agreement (the “Original Equity Registration Rights Agreement”) with certain of the Apollo Funds and the Riverstone Funds, certain funds controlled by Franklin Advisers, Inc. (“Franklin”) and certain clients of MacKay Shields LLC (“MacKay Shields”), relating to the registered resale of the Company’s common stock owned by such parties as of the closing of the Stone Combination (the “Original Registrable Securities”).

The Company and the Riverstone Sellers (and their designated affiliates) agreed under the Purchase Agreements to enter into an amendment to the Original Equity Registration Rights Agreement (such amendment, the “Registration Rights Agreement Amendment,” and the Original Equity Registration Rights Agreement, as amended by the Registration Rights Agreement Amendment, the “Registration Rights Agreement”). The Registration Rights Agreement Amendment will add each of the Riverstone Sellers (or one or more of its designated affiliates) as parties to the Registration Rights Agreement and provide such parties with customary registration rights with respect to the Series A Convertible Preferred Stock (and Conversion Stock) (each as defined below) that the Riverstone Sellers received at the closing of the ILX and Castex Acquisition (the “New Registrable Securities” and together with the Original Registrable Securities, the “Registrable Securities”). Under the Registration Rights Agreement, the Company is required to file a shelf registration statement within 30 days of the Company’s receipt of written request by a holder of Registrable Securities (a “Holder”). Each Holder will be limited to two demand registrations in any twelve-month period.

The Holders have the right to request that the Company initiate underwritten offerings of the Company’s common stock; provided, that the Apollo Funds and the Riverstone Funds will have the right to demand three underwritten offerings in any twelve-month period, and Franklin and MacKay Shields will only have the collective right to demand one underwritten offering. The Holders have customary piggyback rights with respect to any underwritten offering that the Company conducts for as long as the Holders and their respective affiliates own 5% of the Registrable Securities. Each Holder will agree to a lock up with underwriters in the event of an underwritten offering, provided that the lock up will not apply to any Holder who does not have a right to participate in such underwritten offering. The Registration Rights Agreement have terminated with respect to Franklin and MacKay Shields. Additionally, the Apollo Funds no longer have piggyback rights effective January 3, 2022. The Registration Rights Agreement will otherwise terminate at such time as there are no Registrable Securities outstanding.

In connection with the closing of the ILX and Castex Acquisition, and pursuant to the Purchase Agreements, as amended, the Company and ILX Holdings, LLC, ILX Holdings II, LLC, ILX Holdings III LLC and Riverstone V Castex 2014 Holdings, L.P., a Delaware limited partnership and designee of Castex Energy 2014, LLC, entered into the Registration Rights Agreement Amendment to the Registration Rights Agreement to, among other things, add each of the Riverstone Sellers (or one or more of its designated affiliates) as parties to the Registration Rights Agreement and provide such parties with customary registration rights with respect to the Company’s Series A Convertible Preferred Stock issued to the Riverstone Sellers at the closing of the ILX and Castex Acquisition

The Company will bear all of the expenses incurred in connection with any offer and sale, while the selling stockholders will be responsible for paying underwriting fees, discounts and selling commissions. The Company incurred fees of nil, $0.7 million and $0.2 million for the fiscal years ended December 31, 2022, 2021 and 2020, respectively.

In June and November of 2021, the Company entered into separate secondary underwriting agreements with certain stockholders affiliated with the Sponsors (the “Selling Stockholders”), pursuant to which the Selling Stockholders sold shares of common stock of the Company. Each secondary offering was made pursuant to a prospectus supplement filed with the SEC. The Selling Stockholders received all the proceeds from these offerings.

In connection with the Company’s entry into the EnVen Merger Agreement on September 21, 2022 to acquire EnVen, the Company entered into a registration rights agreement (the “2022 Registration Rights Agreement”) with Adage Capital Partners, L.P. (“Adage”) and affiliated entities of Bain Capital, LP (“Bain”). Pursuant to the 2022 Registration Rights Agreement, the Company grants to Adage and Bain certain demand, “piggy-back” and shelf registration rights with respect to the shares of the Company’s common stock to be received by such entities in the EnVen Acquisition, subject to certain customary thresholds and conditions. Additionally, the Company agrees to pay certain expenses of the parties incurred in connection with the exercise of their rights under such agreement and to indemnify them for certain securities law matters in connection with any registration statement filed pursuant thereto. The 2022 Registration Rights Agreement will become effective at the closing of the EnVen Acquisition.

Subsequent Event — On February 13, 2023, in conjunction with the closing of the EnVen Acquisition, the 2022 Registration Rights Agreement became effective. Adage and Bain hold approximately 5.1% and 12.3%, respectively, of the Company’s outstanding shares of common stock.

Amended and Restated Stockholders’ Agreement

On May 10, 2018, the Company entered into a Stockholders’ Agreement (the “Stockholders’ Agreement”) by and among the Company and the other parties thereto. On February 24, 2020, the Company and the other parties thereto amended the Stockholders’ Agreement to, among other things, add each of the Riverstone Sellers (or one or more of its designated affiliates) as parties to the Stockholders’ Agreement and provide that for purposes of determining whether the Riverstone Sellers and their affiliates continue to satisfy certain stock ownership requirements necessary to retain their rights to nominate directors to the board of directors, the Series A Convertible Preferred Stock owned by the Riverstone Sellers was, prior to the conversion thereof, counted towards such ownership requirements on an as converted basis at the closing of the ILX and Castex Acquisition. On March 30, 2020, all 110,000 shares of Series A Convertible Preferred Stock were converted into an aggregate 11.0 million shares of the Company’s common stock.

On March 29, 2022, the Company and other parties thereto, entered into the Amended and Restated Stockholders’ Agreement, in connection with the resignation of certain members of the Company's Board of Directors (the “Amended and Restated Stockholders’ Agreement”). The Amended and Restated Stockholders’ Agreement, among other things, (i) terminates the rights of the Apollo Funds under the Stockholders’ Agreement and (ii) eliminates the requirement that the Board of Directors consist of ten members.

The Riverstone Funds have agreed to vote their shares of the Company’s common stock in favor of any nominee designated and nominated for election to the Board of Directors in accordance with the terms of the Amended and Restated Stockholders’ Agreement and in a manner consistent with the recommendation of the Nominating and Governance Committee with respect to all other nominees.

In connection with the pending EnVen Acquisition, the Company and the Riverstone Funds have agreed to terminate the Amended and Restated Stockholders’ Agreement, which will eliminate the Riverstone Funds’ designation rights with respect to the Company’s Board of Directors. Subsequent to the termination of the Amended and Restated Stockholders’ Agreement, the Riverstone Funds’ present designee to the Company’s Board of Directors, Mr. Robert M. Tichio, will immediately tender his resignation. The termination of the Amended and Restated Stockholders’ Agreement is contingent upon the successful closing of the EnVen Acquisition.

Subsequent Event — On February 13, 2023, in conjunction with the closing of the EnVen Acquisition, the Amended and Restated Stockholders’ Agreement was terminated and Mr. Robert M. Tichio resigned from the Company’s Board of Directors.

Riverstone Support Agreement

In connection with the pending EnVen Acquisition, the Company, EnVen and the Riverstone Funds entered into a support agreement pursuant to which the Riverstone Funds have agreed, among other things, to (i) vote all shares of Company common stock beneficially owned (a) in favor of the share issuance to EnVen equityholders, (b) in favor of the amendment and/or restatement of the Company’s organizational documents as necessary or appropriate to reflect the termination of the Amended and Restated Stockholders’ Agreement, (c) in favor of any other proposals necessary or appropriate in connection with the EnVen Acquisition and (d) against, among other things, (A) any Acquisition Proposal (as defined in the EnVen Merger Agreement) with respect to the Company and (B) any other proposal that could reasonably be expected to materially impede or delay the EnVen Acquisition or result in a breach of any representation or covenant of the Company under the EnVen Merger Agreement (as defined herein), (ii) terminate the Amended and Restated Stockholders’ Agreement, and (iii) cause Mr. Tichio to resign from the Company’s Board of Directors, in each case of the foregoing clauses (ii) and (iii), effective immediately prior to, but conditioned on, the occurrence of the closing of the EnVen Acquisition.

Legal Fees

The Company has engaged the law firm Vinson & Elkins L.L.P. (“V&E”) to provide legal services. An immediate family member of William S. Moss III, the Company’s Executive Vice President and General Counsel and one of its executive officers, is a partner at V&E. For the years ended December 31, 2022, 2021 and 2020, the Company incurred fees of approximately $4.8 million, $3.1 million and $3.5 million, respectively, of which $1.3 million, $0.2 million and $0.7 million were payable at each respective balance sheet date for legal services performed by V&E.

Bayou Bend CCS LLC

On March 8, 2022, the Company made a $2.3 million cash contribution for a 50% membership interest in Bayou Bend. On May 24, 2022, the Company sold a 25% membership interest to Chevron U.S.A. Inc. (“Chevron”) for upfront cash consideration of $15.0 million. Chevron also agreed to fund up to $10.0 million of contributions to Bayou Bend on the Company’s behalf, of which $1.4 million was funded during the year ended December 31, 2022. The Bayou Bend investment will be increased with an offsetting gain as the capital carry is funded by Chevron. The Company recognized a $15.3 million gain on the partial sale of its investment in Bayou Bend during the year ended December 31, 2022, which is included in “Equity method investment income” on the Consolidated Statements of Operations.

As of December 31, 2022, the Company owns a 25% membership interest in Bayou Bend, which is a variable interest entity and accounted for using the equity method of accounting. Bayou Bend has a CCS site located offshore Jefferson County, Texas, near the Beaumont and Port Arthur, Texas industrial corridor that is in the early stages of development. The development of the Bayou Bend CCS hub project is currently being financed through equity contributions from its members. The Company’s maximum exposure to loss as result of its involvement with Bayou Bend is the carrying amount of its investment.

Under an operating agreement, which was amended on May 24, 2022, the Company has agreed to provide certain services to facilitate Bayou Bend’s operations and to fulfill other general and administrative functions relating to the operation and management of Bayou Bend and its business. The Company will invoice Bayou Bend for reimbursement of direct and indirect general and administrative expenses incurred as well as all other direct out-of-pocket costs and expenses incurred or paid on behalf of Bayou Bend. The Company had a $0.7 million related party receivable from Bayou Bend as of December 31, 2022.