WEATHERFORD CANADA PARTNERSHIP

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 2769
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 1169
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 7198
 
  
 
B01D SEPARATION 5129
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 337
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR392
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL219
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 291
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B64D EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS167

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0020,373 METHOD OF MANUFACTURING CONTINUOUS SUCKER RODAug 13, 14Jan 22, 15[B23Q, B23P, B23K, B21C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8839499 Method of manufacturing continuous sucker rodOct 09, 12Sep 23, 14[B23Q, B23K, B21C, E21B]
8340911 Compensated ensemble crystal oscillator for use in a well borehole systemApr 10, 06Dec 25, 12[G01V]
8281472 Method of manufacturing continuous sucker rodJun 27, 03Oct 09, 12[B23Q]
8191628 Method and apparatus for transmitting sensor response data and power through a mud motorJul 27, 11Jun 05, 12[E21B]
8011425 Transmitting sensor response data and power through a mud motorOct 14, 10Sep 06, 11[E21B]
7992646 Horizontal offline stand building systemDec 30, 08Aug 09, 11[E21B]
7967540 Vertical offline stand building and manipulating systemOct 01, 08Jun 28, 11[E21B]
7967541 Apparatus for handling and racking pipesApr 03, 09Jun 28, 11[E21B]
7794192 Apparatus for handling and racking pipesApr 18, 07Sep 14, 10[A01G, E21B]
7702423 Method and apparatus to control the rate of flow of a fluid through a conduitMar 24, 04Apr 20, 10[G05D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0251,004 METHOD AND SYSTEM FOR FLOW MEASUREMENTAbandonedOct 26, 12Sep 11, 14[G01F]
7672545 Methods and apparatuses for obtaining information regarding sensors in optical pathsExpiredMay 23, 06Mar 02, 10[G02B]
2008/0060,847 METHOD AND APPARATUS FOR TRANSMITTING SENSOR RESPONSE DATA AND POWER THROUGH A MUD MOTORAbandonedNov 09, 07Mar 13, 08[E21B]
2007/0023,718 Mud pulserAbandonedJul 29, 05Feb 01, 07[F16K]
7007913 Rotating blowout preventer with independent cooling circuits and thrust bearingExpiredJun 15, 04Mar 07, 06[E21B]
7004444 Rotating blowout preventer with independent cooling circuits and thrust bearingExpiredJun 15, 04Feb 28, 06[E21B]
6778741 Method and apparatus for aligning a waveguide with a radiation sourceExpiredJan 16, 03Aug 17, 04[G02B]
2004/0051,650 Two way data communication with a well logging tool using a TCP-IP systemAbandonedSep 16, 02Mar 18, 04[G01V]
4813497 Adjustable bent subExpiredApr 14, 88Mar 21, 89[E21B]
4745982 Adjustable bent subExpiredNov 28, 86May 24, 88[E21B]

Top Inventors for This Owner

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