Inventor

SINCLAIR PAUL L

US49 patents

⚠️ This page may combine multiple inventors who share the name “SINCLAIR PAUL L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SINCLAIR PAUL L

NCR CORP

Method and apparatus for presenting query plans

Presenting query plans of a database system

Reorganization of database records using partition merging

Value-ordered primary index and row hash match scan

Row hash match scan in a partitioned database system

Capturing database system information

Partition join in a partitioned database system

Method and system for multiple function database indexing

Row hash match scan join using summary contexts for a partitioned database system

Performing a join in a partitioned database system

Copying a portion of a database structure associated with a query

Partitioned database system

HALLIBURTON LOGGING SERVICES

Logging while drilling apparatus with multiple depth of resistivity investigation

Multifrequency dielectric logging tool including antenna system responsive to invaded rock formations

Dielectric measuring apparatus for determining oil and water mixtures in a well borehole

Coil array for a high resolution induction logging tool and method of logging an earth formation

Laboratory technique for measuring complex dielectric constant of rock core samples

Method and apparatus for determining the conductivity of subsurface earth formations by filtering and summing in-phase and quadrature conductivity signals with correction values

Gas hold up tool for use in cased well boreholes

CBG CORP

Multi-frequency array induction tool

Azimuthal measurement-while-drilling (MWD) tool

Method and apparatus for a downhole antenna

Rugged scintillation crystal assembly

Shock mounted sensor package with thermal isolation

Environmental monitoring of logging-while-drilling tool components

SINCLAIR PAUL L

Partition elimination on indexed row IDs

Radial electrical connector resistant to fluids

Azimuthally sensitive resistivity logging tool

Polar display for use with drilling tools

Azimuthally sensitive resistivity logging tool

Directional radiation detection tool

SCHLUMBERGER TECHNOLOGY CORP

Digital induction logging tool

Digital induction logging tool including means for measuring phase quadrature components in a phase sensitive detector

Digital induction logging system including means for generating a plurality of transmitter frequencies

Digital induction logging tool including means for compensating for phase shift errors

Connector for ceramic hybrid circuits for well-logging tools and method for connecting ceramic hybrid circuits for use in well-logging tools

HALLIBURTON CO

Logging system for measuring dielectric properties of fluids in a cased well using multiple mini-wave guides

Digital two frequency generator for use in borehole heterodyne measurement systems

Method for variable radial depth induction log

TERADATA US INC

Relational database system having overlapping partitions

Processing column-partitioned data for row-based operations in a database system

Locking data in a database after an operation has begun

CEDAR BLUFF GROUP CORP

Retrievable resistivity logging system for use in measurement while drilling

Slim-hole collar locator and casing inspection tool with high-strength pressure housing

WEATHERFORD LAMB

Method, apparatus and system for compensating the effects of borehole variations

Borehole compensation system and method for a resistivity logging tool

SCHLUMBERGER TECHNICAL CORP

Digital induction logging system including autocalibration

Digital induction logging tool including a floating point A/D

(unassigned)

Method and apparatus for directional measurement of subsurface electrical properties