Inventor

MULLINS OLIVER C

US124 patents

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

MULLINS OLIVER C

SCHLUMBERGER TECHNOLOGY CORP

Permanent optical sensor downhole fluid analysis systems

Methods and apparatus for determining gas-oil ratio in a geological formation through the use of spectroscopy

Method and apparatus for the downhole compositional analysis of formation gases

Method of distinguishing between crude oils

Protective barriers for small devices

Methods and apparatus for downhole fluids analysis

Apparatus and method for detecting the presence of gas in a borehole flow stream

Methods and apparatus of downhole fluid analysis

Method for measuring and calibrating measurements using optical fiber distributed sensor

Method and sensor for monitoring gas in a downhole environment

Determining fluid properties from fluid analyzer

Methods and apparatus for downhole fluids analysis

Analysis of downhole OBM-contaminated formation fluid

Analysis of downhole OBM-contaminated formation fluid

Methods and apparatus utilizing a derivative of a fluorescene signal for measuring the characteristics of a multiphase fluid flow in a hydrocarbon well

Single point optical probe for measuring three-phase characteristics of fluid flow in a hydrocarbon well

Logging-while-drilling optical apparatus

Method of analyzing oil and water fractions in a flow stream

Apparatus and method for detecting the presence of gas in a borehole flow stream

Methods and apparatus for the downhole characterization of formation fluids

Magnetic resonance method for characterizing fluid samples withdrawn from subsurface earth formations

Methods and apparatus for optically measuring fluid compressibility downhole

Apparatus and methods for determining velocity of oil in a flow stream

Method of detecting carbon dioxide in a downhole environment

Downhole spectroscopic hydrogen sulfide detection

Formation fluid sampling tools and methods utilizing chemical heating

Method of downhole characterization of formation fluids, measurement controller for downhole characterization of formation fluids, and apparatus for downhole characterization of formation fluids

Apparatus and methods to analyze downhole fluids using ionized fluid samples

Method and apparatus for in-situ side-wall core sample analysis

System and method for detecting pressure disturbances in a formation while performing an operation

System and methods of deriving differential fluid properties of downhole fluids

Marking system and method

Method for measuring using optical fiber distributed sensor

Optical probes and probe systems for monitoring fluid flow in a well

Methods and apparatus for determining chemical composition of reservoir fluids

Assessing a solids deposit in an oilfield pipe

Method and apparatus for interpreting fluorescence logging data

Method and apparatus for fluorescence logging

Method and apparatus for fluorescence logging

Determining fluid chemistry of formation fluid by downhole reagent injection spectral analysis

Determining phase transition pressure of downhole retrograde condensate

Downhole fluorescence detection apparatus

Methods and apparatus for analysis of downhole asphaltene gradients and applications thereof

Determining dew precipitation and onset pressure in oilfield retrograde condensate

POMERANTZ ANDREW E

Methods and apparatus for characterization of petroleum fluids and applications thereof

SCHLUMBER TECHNOLOGY CORP

Method and apparatus for composition analysis in a logging environment

VAN HAL RONALD E G

Formation fluid sampling tools and methods utilizing chemical heating

MILLER DOUGLAS E

Microhydraulic fracturing with downhole acoustic measurement

ZUO JULIAN YOUXIANG

Methods for characterization of petroleum fluid and application thereof

ANDREWS ALBERT BALLARD

Method and apparatus for oil spill detection