WEATHERFORD TECHNOLOGY HOLDINGS, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 13844
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 89118
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 8024
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 38168
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL3535
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 3226
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR3065
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 3033
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 2534
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING2422

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0051,526 SLIP MONITOR AND CONTROLAug 19, 16Feb 22, 18[G05B, E21B]
2018/0010,991 Methods and Apparatus for Centrifuge Fluid Production and Measurement Using Resistive CellsJan 15, 16Jan 11, 18[B04B, G01N]
2017/0321,508 FILL UP TOOLJul 26, 17Nov 09, 17[E21B]
2017/0321,530 PROTECTING PRODUCTION WELLS USING NATURAL GAS INJECTIONMay 06, 16Nov 09, 17[E21B]
2017/0293,040 Gain Stabilization of Radiation Detectors Via Spectrum AnalysisJun 26, 17Oct 12, 17[G01T, G01V]
2017/0283,958 DUAL LAYER FUSION BOND EPOXY COATING FOR CONTINUOUS SUCKER RODApr 01, 16Oct 05, 17[C23C, E21B]
2017/0270,227 Real-Time Fluid Contamination Prediction Using Bilinear ProgrammingMar 21, 16Sep 21, 17[G06F]
2017/0254,195 METHOD AND APPARATUS FOR CONTROLLING A DOWNHOLE TOOLSep 02, 15Sep 07, 17[E21B]
2017/0248,729 Method and Apparatus for Detection and Quantification of Borehole StandoffMay 16, 17Aug 31, 17[E21B, G01V]
2017/0218,712 POSITIONING TOOL WITH EXTENDABLE LANDING DOGSFeb 01, 16Aug 03, 17[E21B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920588 Anchoring sealDec 29, 16Mar 20, 18[E21B]
9921204 System and method for fluid composition characterizationNov 03, 15Mar 20, 18[G01J, G01N, E21B]
9915105 Swivel and method of useMay 12, 15Mar 13, 18[E21B]
9915120 Seal elementOct 31, 14Mar 13, 18[E21B]
9915124 Piston float equipmentOct 08, 14Mar 13, 18[E21B]
9909390 Stage tool with lower tubing isolationMay 22, 15Mar 06, 18[E21B]
9911016 Radio frequency identification tag delivery systemMay 12, 16Mar 06, 18[G06F, E21B, G06K]
9903176 Expandable packerFeb 13, 15Feb 27, 18[E21B]
9903187 Hydraulic pumping system with enhanced piston rod sealingDec 02, 15Feb 27, 18[F04B, E21B]
9897083 Calculating downhole cards in deviated wellsOct 29, 12Feb 20, 18[G05B, G06F, F04B, G06G, E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0237,792 INJECTION DISTRIBUTION DEVICEAbandonedFeb 17, 16Aug 18, 16[E21B]
2016/0090,827 Two-Piece Plunger with Sleeve and Spear for Plunger Lift SystemAbandonedSep 30, 14Mar 31, 16[E21B]
2016/0084,014 SELF FILLING CASINGAbandonedMay 15, 14Mar 24, 16[E21B]
2015/0376,964 MULTIPHASE DRILLING SYSTEMS AND METHODSAbandonedJun 29, 15Dec 31, 15[C09K, E21B]
2015/0308,227 PRESSURE REGULATED DOWNHOLE EQUIPMENTAbandonedApr 27, 15Oct 29, 15[E21B]
2015/0299,552 NOVEL WEIGHT MATERIALS FOR USE IN CEMENT, SPACER AND DRILLING FLUIDSAbandonedMar 26, 15Oct 22, 15[C09K, E21B]
2015/0285,021 DOWNHOLE CUTTING TOOLAbandonedApr 03, 15Oct 08, 15[E21B]
2015/0218,938 Hard-Mounted EM Telemetry System for MWD Tool in Bottom Hole AssemblyAbandonedJan 31, 14Aug 06, 15[E21B]
2015/0135,510 LOCKING SYSTEM FOR A THREADED CONNECTIONAbandonedNov 05, 14May 21, 15[F16B]
2015/0134,253 METHOD AND APPARATUS FOR MONITORING A DOWNHOLE TOOLAbandonedApr 16, 13May 14, 15[E21B]
2015/0090,494 RFID DEVICE FOR USE DOWNHOLEAbandonedOct 30, 13Apr 02, 15[E21B]
2015/0090,497 Directional Drilling Using Variable Bit Speed, Thrust, and Active DeflectionAbandonedOct 01, 13Apr 02, 15[E21B]
2015/0083,433 GAS LIFT VALVEAbandonedSep 23, 14Mar 26, 15[E21B]
2015/0068,728 Downhole Tool Having Slip Composed of Composite RingAbandonedSep 12, 14Mar 12, 15[E21B]
2015/0016,220 SONIC/ACOUSTIC MONITORING USING OPTICAL DISTRIBUTED ACOUSTIC SENSINGAbandonedSep 29, 14Jan 15, 15[G01H, G01V]
2015/0007,979 APPARATUS FOR RETAINING RIG SLIPS IN ALIGNMENT WITH A FLOW CONTROL DEVICEAbandonedDec 27, 12Jan 08, 15[E21B]
2014/0373,619 METHOD AND APPARATUS FOR MEASURING DEFORMATION OF ELASTOMERIC MATERIALSAbandonedJun 18, 14Dec 25, 14[E21B]
2014/0262,214 Bonded Segmented SlipsAbandonedFeb 24, 14Sep 18, 14[E21B]
2014/0262,303 DEEPSET WIRELINE RETRIEVABLE SAFETY VALVEAbandonedMar 10, 14Sep 18, 14[E21B]
2014/0262,326 PURGING FLUID CIRCUITS IN WELLBORE CONTROL DEVICESAbandonedMar 17, 14Sep 18, 14[E21B]

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