Texland Drilling Program-1981, Ltd.

(A Limited Partnership)

EXHIBIT 31.2

CERTIFICATION

I, Michael E. Chapman, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Texland Drilling Program-1981, LTD.;

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;

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 registrant as of, and for, the periods
presented in this report;

4. The registrants other certifying officer 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)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15f and 15d-15(f)) for the registrant and have:



| | e) | 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 registrant is made known to us by others within the entity, particularly during the period in which this report is being prepared;
| | -- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | f) | [Paragraph omitted pursuant to SEC Release Nos. 33-8238 and 34-47986];
| | -- | ----------------------------------------------------------------------



| | g) | evaluated the effectiveness of the registrant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
| | -- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | h) | disclosed in this report any change in the registrants internal control over financial reporting that occurred during the registrants most recent fiscal quarter (the
registrants fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrants internal control over financial reporting; and
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

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



| | c) | all significant deficiencies and material weakness in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the
registrants ability to record, process, summarize and report financial information; and
| | -- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | d) | any fraud, whether or not material, that involves management or other employees who have a significant role in the registrants internal control over financial reporting.
| | -- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|                     |  |                         |  | 
|-------------------- |  | ----------------------- |  | 
|Date August 13, 2008 |  | /s/ Michael E. Chapman  |  | 
|                     |  | Michael E. Chapman      |  | 
|                     |  | Chief Financial Officer |  |