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2024
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Invention
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Drilling with casing monitor. A drilling with casing monitor that receives transducer and rig dat... |
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Invention
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Drilling with casing monitor.
A drilling with casing monitor that receives transducer and rig da... |
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2020
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Invention
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Pipe end protector. A pipe end protector for protecting pipe threads provided on a female pipe en... |
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2013
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Invention
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High strength steel having good toughness. Embodiments of the present disclosure comprise carbon ... |
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Invention
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Ultra high strength steel having good toughness. Embodiments of the present disclosure comprise c... |
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2011
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Invention
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Method of making ultra high strength steel having good toughness. Embodiments of the present disc... |
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2009
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Invention
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Centralizer for tubular elements. A centralizer for tubular elements is provided which includes a... |
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2008
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Invention
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End protector device for tubular structures. A protector device for the ends of the tubular goods... |
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2007
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Invention
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Improved hollow sucker rod connection with second torque shoulder. An elongated drive strin... |
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Invention
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Sucker rod connection with improved fatigue resistance, formed by applying diametrical interferen... |
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2006
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Invention
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Tubular element end protector and tubular element comprising same. a threaded cap (6) made from a... |
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Invention
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Hollow sucker rod connection with second torque shoulder. An elongated drive string assembly comp... |
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2003
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Invention
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Assembly of hollow torque transmitting sucker rods and sealing nipple with improved seal and flui... |
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Invention
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Threading insert with cooling channels. A metalworking apparatus includes a threading insert with... |
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Invention
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Apparatus and method for storing or shipping elongated members. An assembly for storing elongated... |
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2002
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Invention
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Assembly of hollow torque transmitting sucker rods. An elongated drive string assembly includes a... |
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Invention
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Low-alloy carbon steel for the manufacture of pipes for exploration and the production of oil and... |
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Invention
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Low-alloy carbon steel for the manufacture of pipes for the exploration and the production of oil... |
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2001
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Invention
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Process for manufacturing a tubular unit offsite for coupling double-walled tubes and a tubular u... |
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2000
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Invention
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Assembly comprising pump rod and threaded union. An assembly comprising a pump rod and a threaded... |
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Invention
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Tubular members. A threaded union highly resistant to overtorque and compression that includes a ... |
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Invention
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High-resistance threaded joint. The present threaded joint comprises a coupling or threaded membe... |
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Invention
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Threaded union with high resistance to overtorque and compression. A threaded union highly resist... |
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1999
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Invention
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Corrosion resistant sucker rods. The present invention discloses a sucker rod with high resistanc... |
