High-speed downhole sensor and telemetry network

MG Prammer - US Patent App. 13/658,261, 2013 - Google Patents
A downhole data transmission system communicates data along a downhole string
including a communications master selected from the group including a surface interface, a …

Hydrocarbon resource heating apparatus including upper and lower wellbore RF radiators and related methods

FE Parsche - US Patent 9,157,303, 2015 - Google Patents
A device for heating a hydrocarbon resource in a subterranean formation having at least one
pair of laterally extending upper and lower wellbores therein may include a radio frequency …

Miniaturized direct digital-to-impulse radar sensors in silicon

MM Assefzadeh, A Babakhani - US Patent 10,222,468, 2019 - Google Patents
US10222468B2 - Miniaturized direct digital-to-impulse radar sensors in silicon - Google
Patents US10222468B2 - Miniaturized direct digital-to-impulse radar sensors in silicon …

Apparatus and method for analysis of a fluid sample

MT Pelletier, GP Perez, CM Jones… - US Patent 9,234,835, 2016 - Google Patents
An apparatus for analyzing a fluid comprises a chamber to receive a fluid sample. A pump
reduces a pressure in the chamber below a vapor pressure of a component of the fluid …

Fluid analysis by optical spectroscopy with photoacoustic detection

AJ Speck, AE Pomerantz, OC Mullins - US Patent 9,651,476, 2017 - Google Patents
(57) ABSTRACT A method for downhole fluid analysis by optical spectros copy with
photoacoustic detection includes positioning a photoacoustic system within a wellbore …

Time domain multiplexing of interferometric sensors

AH Hartog - US Patent 7,995,209, 2011 - Google Patents
An optical sensor array includes a plurality of interferometric sensors that are disposed at a
plurality of locations in a region of interest. To determine a physical parameter at the plurality …

Method and system of determining constituent components of a fluid sample

MT Pelletier, CM Jones - US Patent 9,157,311, 2015 - Google Patents
BACKGROUND Hydrocarbon drilling and production operations demand a great quantity of
information relating to parameters and con ditions downhole. Such information may …

Method and apparatus for assessing purity of vegetable oils by means of terahertz time-domain spectroscopy

Z Zhao, Z Chen, Y Wang, B Feng, L Zhang… - US Patent …, 2010 - Google Patents
The present invention relates to a method for assessing the purity of vegetable oils by
means of THz time-domain spectroscopy, comprising the steps of: measuring the THz time …

Method and apparatus for estimating a downhole fluid property using a miniature integrated circuit spectrometer

S Csutak - US Patent 8,692,183, 2014 - Google Patents
An apparatus for estimating a property of a downhole fluid includes a carrier that is
conveyable in a borehole, a test cell carried by the carrier for capturing the downhole fluid …

Method and Apparatus to Determine Characteristics of an Oil-Based Mud Downhole

S Csutak - US Patent App. 11/697,892, 2008 - Google Patents
BACKGROUND 0002. A variety of techniques have been utilized for moni toring wellbores
and liquids therein during completion and production of wellbores, analyzing reservoir …