Inventor

ARNOLD DAN M

US48 patents

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

ARNOLD DAN M

TEXACO INC

Detection of impurities in a fluid containing free gas using nuclear techniques

Water injection profiling

Measurement of salt content in petroleum flow lines

Method and apparatus for measuring underground fluid flow characteristics

Detection of impurities in fluid flowing in refinery pipeline or oil production operations using nuclear techniques

Multiphase fluid flow meter

Acoustic-nuclear permeability logging system

Borehole compensated oxygen activation nuclear well logging

Multiphase fluid flow meter (D#76,244)

Method of measuring horizontal fluid flow behind casing in subsurface formations with sequential logging for interfering isotope compensation and increased measurement accuracy

Method of measuring horizontal fluid flow in cased off subsurface formations with manganese compensation

Behind casing water flow detection using pulsed neutron oxygen activation

Behind casing water flow detection using continuous oxygen activation

Method and apparatus for measuring azimuth and speed of horizontal fluid flow by a borehole

Natural gamma ray logging with borehole effect compensation

Measurement of flowing water salinity within or behind wellbore casing

Fluid flow meter for mixed liquid and gas

Detection of behind casing water flow at an angle to the axis of a well borehole

Behind casing fluid flow detection in producing wells using gas lift

Resolution of through tubing fluid flow and behind casing fluid flow in multiple completion wells

Behind casing water volume flow rate measurement using concentric gamma ray detectors

Well fluid production profiling using an oxygen activation flow meter

Behind casing water volume flow rate measurement using gamma ray spectral degradation

Radioactive well logging system with shale (boron) compensation by gamma ray build-up

Three frequency modulated combination thermal neutron lifetime log and porosity

In-situ permeability determining method

Radioactive well logging to measure earth formation fluid permeability by electrohydraulic induced flow of radiation activated fluids

Method of measuring horizontal flow speed of fluids in earth formations penetrated by a wellborehole

Measuring oil and water cuts in a multiphase flowstream with elimination of the effects of gas in determining the liquid cuts

Determining the water cut and water salinity in an oil-water flow stream by measuring the sulfur content of the produced oil

Water injection profiling by nuclear logging

Simultaneous thermal neutron lifetime and boron content well log

Method for determining thermal neutron decay times of earth formations

HALLIBURTON CO

Simultaneous gamma ray measurement of formation bulk density and casing thickness

Multi-function natural gamma ray logging system

Borehole compensated density logs corrected for naturally occurring gamma rays

Method for simultaneous measurement of borehole and formation neutron lifetimes

Determination of casing thickness using a natural gamma ray spectroscopy technique

Borehole compensated KUT log

Method and apparatus for logging a borehole employing dual radiation detectors

Method for logging fluid flow rate, water fraction, and/or salinity of water flowing into a well

Method for monitoring drilling materials for gamma ray activity

HALLIBURTON LOGGING SERVICES

Method and apparatus for measuring horizontal fluid flow in downhole formations using injected radioactive tracer monitoring

Oxygen activation method for quantitative water flow measurements within and behind well bore casing

Tracer injection method

Simultaneous fluid flow and fluid density measurements using rotameter and nuclear technology

Gamma ray borehole logging method and apparatus having compensation for borehole attenuation effects

PHYSICS INC

Zero-spaced epithermal neutron moisture detection system