87 results
8-K
EX-1.1
PTEN
Patterson-UTI Energy Inc
13 Sep 23
Entry into a Material Definitive Agreement
4:06pm
, ambient air, surface water, groundwater, land surface or subsurface strata) or wildlife, including, without limitation, laws and regulations
8-K
EX-10.1
PTEN
Patterson-UTI Energy Inc
1 Sep 23
Patterson-UTI Energy and NexTier Oilfield Solutions Complete Merger
4:06pm
substances or wastes, air emissions and discharges to waste or public systems.
“Environmental Liability” means any liability, contingent or otherwise
425
EX-2.1
NEX
NexTier Oilfield Solutions Inc
5 Jul 23
Business combination disclosure
6:22am
; the Clean Air Act; the Toxic Substances Control Act; the Safe Drinking Water Act; the Occupational Safety and Health Act (to the extent regulating Hazardous … , groundwater, surface water, air or sediment) or any building material or perform any testing, sampling, or procedure on any building or real property
8-K
EX-2.1
PTEN
Patterson-UTI Energy Inc
5 Jul 23
Patterson-UTI Energy Announces Agreement to Acquire Global Drill Bit Company, Ulterra
6:16am
; the Clean Air Act; the Toxic Substances Control Act; the Safe Drinking Water Act; the Occupational Safety and Health Act (to the extent regulating Hazardous … , groundwater, surface water, air or sediment) or any building material or perform any testing, sampling, or procedure on any building or real property
425
EX-2.1
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15 Jun 23
Business combination disclosure
7:54am
8-K
EX-2.1
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15 Jun 23
Entry into a Material Definitive Agreement
7:51am
8-K
EX-99.1
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16 May 23
Regulation FD Disclosure
6:02am
8-K
EX-10.1
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9 Nov 22
Entry into a Material Definitive Agreement
4:08pm
8-K
EX-99.2
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6 Sep 22
Patterson-UTI Energy to Present at the Barclays CEO Energy-Power Conference
6:06am
424B3
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27 Aug 21
Prospectus supplement
1:59pm
425
EX-2.1
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6 Jul 21
Business combination disclosure
6:31am
8-K
EX-2.1
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6 Jul 21
Patterson-UTI Energy Announces Agreement to Acquire Pioneer Energy Services
6:28am
8-K
EX-99.1
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8 Sep 20
Regulation FD Disclosure
6:16am
8-K
EX-99.1
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24 Mar 20
Regulation FD Disclosure
6:05am