Oasis Petroleum North America LLC

Notice of Effectiveness

Notice of Effectiveness

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

A correspondence can be sent as a document with another submission type or can be sent as a separate submission.

Post-effective Amendment to an automatic shelf registration statement on Form S-3ASR or Form F-3ASR

Crestwood Equity Partners LP: Initial statement of beneficial ownership of securities

Oasis Midstream Partners LP: Statement of changes in beneficial ownership of securities

Oasis Midstream Partners LP: Initial statement of beneficial ownership of securities

Automatic shelf registration statement of securities of well-known seasoned issuers

Prospectus filed pursuant to Rule 424(b)(2)

Prospectus filed pursuant to Rule 424(b)(5)

Prospectus filed pursuant to Rule 424(b)(3)

Automatic shelf registration statement of securities of well-known seasoned issuers

Registration of securities issued in business combination transactions

Prospectus filed pursuant to Rule 424(b)(5)

Prospectus filed pursuant to Rule 424(b)(2)

Prospectus filed pursuant to Rule 424(b)(3)

Registration of securities issued in business combination transactions