November 26, 2018

Krishna Shivram
Chief Executive Officer and Director
Sentinel Energy Services Inc.
700 Louisiana Street, Suite 2700
Houston, Texas 77002

       Re: Sentinel Energy Services Inc.
           Registration Statement on Form S-4
           Filed November 14, 2018
           File No. 333-228366

Dear Mr. Shivram:

       We have limited our review of your registration statement to those
issues we have
addressed in our comments. In some of our comments, we may ask you to provide
us with
information so we may better understand your disclosure.

       Please respond to this letter by amending your registration statement
and providing the
requested information. If you do not believe our comments apply to your facts
and
circumstances or do not believe an amendment is appropriate, please tell us why
in your
response.

       After reviewing any amendment to your registration statement and the
information you
provide in response to these comments, we may have additional comments.

Registration Statement on Form S-4 filed November 14, 2018

Questions And Answers About The Proposal, page 1

1.     We note your disclosure that your initial shareholders will be able to
approve the
       domestication proposal without the vote of any other shareholder. Please
revise your
       disclosure to clarify whether your initial shareholders have indicated
their intent to
       approve the domestication proposal.
The Organizational Documents Proposals, page 22

2.     We note your disclosure elsewhere in the filing that you are seeking to
effect
       the domestication proposal principally for tax-related reasons, and
independently of the
       proposed business combination with Strike. To the extent the
organizational documents
       proposals are related to the domestication proposal or proposed business
combination with
 Krishna Shivram
Sentinel Energy Services Inc.
November 26, 2018
Page 2
      Strike, please revise to disclose this fact. In this regard, we note the
proposed bylaws of
      Strike, Inc., included as Annex C.
Where You Can Find More Information; Incorporation By Reference, page 59

3.    Please incorporate by reference your current report on Form 8-K, filed
November 9,
      2018. In addition, please ensure you incorporate by reference each
specific filing made
      pursuant to the Exchange Act prior to requesting acceleration of the
effectiveness of this
      registration statement or state that all such filings filed after "the
date of the initial
      registration statement and prior to effectiveness" will be incorporated
by reference. For
      guidance, please refer to Securities Act Forms Compliance and Disclosure
Interpretation
      123.05.
        We remind you that the company and its management are responsible for
the accuracy
and adequacy of their disclosures, notwithstanding any review, comments, action
or absence of
action by the staff.

       Refer to Rules 460 and 461 regarding requests for acceleration. Please
allow adequate
time for us to review any amendment prior to the requested effective date of
the registration
statement.

      Please contact Katherine Bagley, Staff Attorney, at (202) 551-2545 or
Lisa Kohl, Legal
Branch Chief, at (202) 551-3252 with any questions.



                                                             Sincerely,
FirstName LastNameKrishna Shivram
                                                             Division of
Corporation Finance
Comapany NameSentinel Energy Services Inc.
                                                             Office of Consumer
Products
November 26, 2018 Page 2
cc:       Elliott Smith
FirstName LastName