UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: June 13, 2013 4:00 P.M.
Form: S-4
CIK: 0001532930
Company Name: CHESAPEAKE OILFIELD OPERATING LLC
File Number: 333-187766
CIK: 0001141205
Company Name: NOMAC DRILLING LLC
File Number: 333-187766-12
CIK: 0001377479
Company Name: GREAT PLAINS OILFIELD RENTAL LLC
File Number: 333-187766-11
CIK: 0001525961
Company Name: OILFIELD TRUCKING SOLUTIONS LLC
File Number: 333-187766-10
CIK: 0001354897
Company Name: HODGES TRUCKING CO LLC
File Number: 333-187766-09
CIK: 0001556559
Company Name: KEYSTONE ROCK & EXCAVATION LLC
File Number: 333-187766-08
CIK: 0001533838
Company Name: CHESAPEAKE OILFIELD FINANCE INC
File Number: 333-187766-07
CIK: 0001556562
Company Name: NOMAC SERVICES LLC
File Number: 333-187766-06
CIK: 0001442668
Company Name: COMPASS MANUFACTURING LLC
File Number: 333-187766-05
CIK: 0001522818
Company Name: THUNDER OILFIELD SERVICES LLC
File Number: 333-187766-04
CIK: 0001516847
Company Name: PERFORMANCE TECHNOLOGIES LLC
File Number: 333-187766-03
CIK: 0001529740
Company Name: PTL PROP SOLUTIONS LLC
File Number: 333-187766-02
CIK: 0001556563
Company Name: MID-STATES OILFIELD SUPPLY LLC
File Number: 333-187766-01