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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 2 )*
Patterson-UTI Energy, Inc.
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(Name of Issuer)
Common Stock, $.01 par value per share
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(Title of Class of Securities)
703481101
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(CUSIP Number)
June 30, 2001
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(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
Page 1 of 4 pages
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SCHEDULE 13 G
CUSIP No. 703481101
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1. Names of Reporting Persons.
I.R.S. Identification Nos. of above persons (entities only).
A I M Management Group Inc., on behalf of itself and its wholly-owned
subsidiaries, A I M Advisors, Inc., AIM Alternative Asset Management
Company, Inc., and A I M Capital Management, Inc. I.D. No. 74-1881407
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2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b)
------------------------------------------------------------------
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3. SEC Use Only
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4. Citizenship or Place of Organization Delaware
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Number of Shares 5. Sole Voting Power 4,242,470
Beneficially Owned
by Each Reporting ------------------------------------------------
Person With 6. Shared Voting Power ----------
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7. Sole Dispositive Power 4,242,470
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8. Shared Dispositive Power ----------
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9. Aggregate Amount Beneficially Owned by Each Reporting
Person 4,242,470
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10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)
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11. Percent of Class Represented by Amount in Row (9) 5.6%
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12. Type of Reporting Person (See Instructions) HC
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Page 2 of 4 pages
3
SCHEDULE 13G
Item 1(a) NAME OF ISSUER:
Patterson-UTI Energy, Inc.
Item 1(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
4510 LaMesa Highway
Snyder, TX 79550
Item 2(a) NAME OF PERSON FILING:
A I M Management Group Inc.
Item 2(b) ADDRESS OF PRINCIPAL BUSINESS OFFICE:
11 Greenway Plaza, Suite 100
Houston, Texas 77046
Item 2(c) CITIZENSHIP:
State of Delaware
Item 2(d) TITLE OF CLASS OF SECURITIES:
Common Stock, $.01 par value per share
Item 2(e) CUSIP NUMBER:
703481101
Item 3 TYPE OF REPORTING PERSON:
Parent Holding Company, in accordance with
section 240.13d-1(b)(1)(ii)(G)
Item 4(a) AMOUNT BENEFICIALLY OWNED AS OF JUNE 30, 2001:
4,242,470
Item 4(b) PERCENT OF CLASS:
5.6%
Item 4(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:
(i) Sole power to vote or to direct the vote: 4,242,470
(ii) Shared power to vote or to direct the vote: N/A
(iii) Sole power to dispose or to direct
the disposition of: 4,242,470
(iv) Shared power to dispose or to direct the
disposition of: N/A
Item 5 OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:
N/A
Item 6 OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:
N/A
Page 3 of 4 pages
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Item 7 IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING
COMPANY:
A I M Advisors, Inc., AIM Alternative Asset Management
Company, Inc., and A I M Capital Management, Inc., Investment
Advisers registered under Section 203 of the Investment
Advisers Act
Item 8 IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:
N/A
Item 9 NOTICE OF DISSOLUTION OF A GROUP:
N/A
Item 10 CERTIFICATION:
By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired and are
held in the ordinary course of business and were not acquired and
are not held for the purpose of or with the effect of changing or
influencing the control of the issuer of the securities and were
not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.
SIGNATURE:
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement
is true, complete and correct.
July 9, 2001
Date
/s/ CAROL F. RELIHAN
------------------------------------
Signature
Carol F. Relihan
Senior Vice President, Secretary
and General Counsel
A I M Management Group Inc.
Name/Title
** Please call Jesse Frazier at (713) 214-4780 with questions regarding this
filing.
Page 4 of 4 pages