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2021
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P/S
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Metal valves not being parts of machines, namely, gate valves, ball valves and structural parts t... |
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P/S
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Collection and analysis of quality metric data for the oil and gas industry for business purposes... |
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Invention
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Pressure-balanced gate valve. A gate valve and method according to which a gate body extends with... |
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Invention
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Gate valve including valve bore assembly. A gate valve including a valve body, a gate assembly, a... |
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2019
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Invention
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Isolation head and method of use for oilfield operations.
A method and apparatus according to wh... |
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Invention
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Isolation head and method of use for oilfield operations. A method and apparatus according to whi... |
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Invention
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Managed pressure drilling manifold, modules, and methods.
A managed pressure drilling (“MPD”) ma... |
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2018
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Invention
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Managed pressure drilling manifold, modules, and methods. A managed pressure drilling (MPD) manif... |
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Invention
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Plug valve and methods. A plug valve including a valve body defining a cavity and a pair of fluid... |
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2017
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Invention
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Pressure balanced drilling choke. A drilling choke including a choke body defining an internal re... |
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Invention
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Managed pressure drilling manifold, modules, and methods. A managed pressure drilling (“MPD”) man... |
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P/S
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Oil and gas well drilling equipment, namely, managed pressure drilling and underbalanced drilling... |
