Inventor

WRAIGHT PETER D

US17 patents

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

WRAIGHT PETER D

SCHLUMBERGER TECHNOLOGY CORP

Method and apparatus for reducing matrix density effects on porosity measurements during epithermal neutron porosity well logging

Methods and apparatus for evaluating formation characteristics while drilling a borehole through earth formations

Method and apparatus for subsurface formation evaluation

Thermal decay time logging method and apparatus

Logging apparatus and method for determining absolute elemental concentrations of subsurface formations

Apparatus and method for measuring formation density in rugose boreholes

Method and system for real-time monitoring of earth formation fracture movement

Method and apparatus for correcting natural gamma ray measurements for borehole fluid effects

Self-calibrating proportional counter

Thermal decay time logging method and apparatus

Methods and apparatus for safely measuring downhole conditions and formation characteristics while drilling a borehole

Method for determining formation density and formation photo-electric factor with a multi-detector-gamma-ray tool

Method and apparatus for measuring formation density and the formation photo-electric factor with a multi-detector gamma-gamma tool

Methods and apparatus for safely handling radioactive sources in measuring-while-drilling tools

WRAIGHT PETER D

Rotatable insect trap device

Method and apparatus for locating celestial objects

PFUTZNER HAROLD

Method and apparatus for measuring the vertical separation of two stations in a borehole