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**EXHIBIT 31.2**

**CERTIFICATION UNDER SECTION 302 OF SARBANES-OXLEY**

 I, David C. Ferguson, certify that:

| 1.       |  I have reviewed this annual report on Form 40-F of TransGlobe Energy      Corp.;                                                                                                                                                                                                                                                 |
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| 2.       | Based on my knowledge, this report does not contain        any untrue statement of a material fact or omit to state a material fact        necessary to make the statements made, in light of the circumstances under        which such statements were made, not misleading with respect to the period        covered by this report; |
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| 3.  | Based on my knowledge, the financial statements,        and other financial information included in this report, fairly present        in all material respects the financial condition, results of operations        and cash flows of the issuer as of, and for, the periods presented in        this report;                        |
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| 4.  | The issuer’s other certifying officer(s) and        I are responsible for establishing and maintaining disclosure controls        and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))        for the issuer and have:                                                                                       |
|     |                                                                                                                                                                                                                                                                                                                                   |

|   | a)     | Designed such disclosure controls and procedures,        or caused such disclosure controls and procedures to be designed under        our supervision, to ensure that material information relating to the issuer,        including its consolidated subsidiaries, is made known to us by others        within those entities, particularly during the period in which this report        is being prepared; |
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|   |   |                                                                                                                                                                                                                                                                                                                                                                                                          |
|   | b)     | Evaluated the effectiveness of the issuer’s        disclosure controls and procedures and presented in this report our conclusions        about the effectiveness of the disclosure controls and procedures, as        of the end of the period covered by this report based on such evaluation;        and                                                                                              |
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                          |
|   | c)     | Disclosed in this report any change in the issuer’s        internal control over financial reporting that occurred during the period        covered by the annual report that has materially affected, or is reasonably        likely to materially affect, the issuer’s internal control over financial        reporting; and                                                                      |
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                          |

| 5.  | The issuer’s other certifying officer(s) and        I have disclosed, based on our most recent evaluation of internal control        over financial reporting, to the issuer’s auditors and the audit        committee of the issuer’s board of directors (or persons performing        the equivalent functions): |
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|     |                                                                                                                                                                                                                                                                                                                              |

|   | a)     | All significant deficiencies and material weaknesses        in the design or operation of internal control over financial reporting        which are reasonably likely to adversely affect the issuer’s ability        to record, process, summarize and report financial information; and |
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|   |   |                                                                                                                                                                                                                                                                                            |
|   | b)     | Any fraud, whether or not material, that involves management        or other employees who have a significant role in the issuer’s internal        control over financial reporting.                                                                                                       |

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