SCIENTIFIC DRILLING INTERNATIONAL, INC.

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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 1466
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 1139
 
  
 
F03B MACHINES OR ENGINES FOR LIQUIDS 123
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0321,539 METHOD FOR WELLBORE RANGING AND PROXIMITY DETECTIONMay 09, 17Nov 09, 17[G01N, G01S, E21B, G01V]
2016/0298,448 NEAR BIT MEASUREMENT MOTORApr 08, 16Oct 13, 16[E21B, G01V]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9915099 Drill bit for a drilling apparatusNov 10, 16Mar 13, 18[E21B]
9903194 Tumble gyro surveyorNov 19, 15Feb 27, 18[E21B]
9749717 Collaborative telemetryJan 30, 16Aug 29, 17[H04L, H04Q]
9726008 Sub-surface formation boundary detection using an electric-field borehole telemetry apparatusDec 19, 14Aug 08, 17[E21B]
9702246 Downhole MWD signal enhancement, tracking, and decodingMay 27, 15Jul 11, 17[E21B]
9598906 Method and apparatus for vibrating horizontal drill string to improve weight transferJul 23, 12Mar 21, 17[E21B]
9567849 Telemetry antenna arrangementJun 25, 14Feb 14, 17[E21B, G01V]
9523244 Drill bit for a drilling apparatusNov 21, 12Dec 20, 16[E21B]
9448329 Method to determine local variations of the earth's magnetic field and location of the source thereofSep 09, 13Sep 20, 16[E21B, G01V]
9366085 Apparatus for directional drillingJun 29, 10Jun 14, 16[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0170,778 ANGLED BEARING ASSEMBLYAbandonedJun 29, 10Jul 04, 13[F16C]
2012/0205,093 Instrument for Centering Tools Within a WellboreAbandonedFeb 14, 11Aug 16, 12[E21B]
7576532 Motion transducer for motion related to the direction of the axis of an eddy-current displacement sensorExpiredFeb 20, 07Aug 18, 09[G01P, G01B]
2008/0034,856 Reduced-length measure while drilling apparatus using electric field short range data transmissionAbandonedJun 21, 07Feb 14, 08[G08C, E21B]
2007/0237,281 Neutron generator tube having reduced internal voltage gradients and longer lifetimeAbandonedAug 30, 05Oct 11, 07[G21G]
7028409 Method for computation of differential azimuth from spaced-apart gravity component measurementsExpiredApr 27, 04Apr 18, 06[G01V]
6816788 Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environmentExpiredJan 09, 03Nov 09, 04[G01V]
5836353 Valve assembly for borehole telemetry in drilling fluidExpiredSep 11, 96Nov 17, 98[G01V]
5740127 Pulse production and control in drill stringsExpiredAug 21, 96Apr 14, 98[F16K, E21B, G01V]
5590714 Multi-mode cushioning an instrument suspended in a wellExpiredFeb 15, 96Jan 07, 97[G01D, E21B]
5520246 Multi-mode cushioning an instrument suspended in a wellExpiredNov 14, 94May 28, 96[G01D, E21B]
5507348 Apparatus for locking wire line instrument to drill collarExpiredNov 16, 94Apr 16, 96[E21B]
5389003 Wireline wet connectionExpiredSep 13, 93Feb 14, 95[H01R]
5366018 Miniature rope socket assembly for combined mechanical and electrical connection in a borehole wirelineExpiredAug 16, 93Nov 22, 94[H01R, E01B]
5321893 Calibration correction method for magnetic survey toolsExpiredFeb 26, 93Jun 21, 94[E21B]
5155916 Error reduction in compensation of drill string interference for magnetic survey toolsExpiredMar 21, 91Oct 20, 92[E21B]
5130706 Direct switching modulation for electromagnetic borehole telemetryExpiredApr 22, 91Jul 14, 92[G01V]
4774694 Well information telemetry by variation of mud flow rateExpiredJul 27, 87Sep 27, 88[G01V]
4715022 Detection means for mud pulse telemetry systemExpiredJul 14, 86Dec 22, 87[G01V]
4694439 Well information telemetry by variation of mud flow rateExpiredAug 11, 86Sep 15, 87[G01V]

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