Inventor

Peter Wraight

Inventor

Skillman, NJ, US

Overview

1987–2019

Patent span

Physics

Primary field (CPC G)

Patents· 63 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Vprimary

G01VGeophysics31%

E21BEarth or rock drilling17%

H01JElectric discharge tubes or discharge lamps12%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

H05HPlasma technique6%

G01TMeasurement of nuclear or x-radiation6%

H05GX-ray technique6%

G21GConversion of chemical elements5%

Y10TTechnical subjects covered by former us classification2%

A01MCatching, trapping or scaring of animals1%

PatentTitleYear

10,490,312High voltage supply for compact radiation generator2019 10,436,918Integrated coupling of scintillation crystal with photomultiplier in a detector apparatus2019 10,271,417Method and apparatus to identify functional issues of a neutron radiation generator2019 10,229,765Compact radiation generator2019 10,174,608Installation for intervention in a well comprising a neutron generator, and method associated therewith2019 9,947,426High voltage supply for compact radiation generator2018 9,880,295'Integrated coupling of scintillation crystal with photomultiplier in a detector apparatus'2018 9,470,817'Method and apparatus to determine pressure in a neutron radiation generator'2016 9,394,781'Logging-while-drilling tool incorporating electronic radiation generator and method for using same'2016 9,372,277'Neutron porosity downhole tool with improved precision and reduced lithology effects'2016 9,234,980'Mining systems and methods'2016 9,184,019'Ion source having negatively biased extractor'2015 9,155,185'Electrode configuration for downhole nuclear radiation generator'2015 9,129,770'Ion source having negatively biased extractor'2015 9,105,436'Ion source having negatively biased extractor'2015 9,053,893'Radiation generator having bi-polar electrodes'2015 8,990,020'Method and apparatus for measuring the vertical separation of two stations in a borehole'2015 8,975,574'Well-logging tool with azimuthal and spectral radiation detectors and related methods'2015 8,969,793'Downhole neutron activation measurement'2015 8,907,289'Subatomic particle detector capable of ignoring shock induced counts'2014 8,742,328'Logging-while-drilling tool incorporating electronic radiation generator and method for using same'2014 8,686,348'High voltage insulating sleeve for nuclear well logging'2014 8,664,587'Non-rotating logging-while-drilling neutron imaging tool'2014 8,594,265'Methods for controlling ion beam and target voltage in a neutron generator for improved performance'2013 8,546,749'Intrinsic radioactivity in a scintillator as count rate reference'2013 8,536,517'Scintillator based radiation detection'2013 8,173,953'Gain stabilization of gamma-ray scintillation detector'2012 8,143,570'Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation'2012 7,991,111'High voltage x-ray generator and related oil well formation analysis apparatus and method'2011 7,903,782'Apparatus and method for fluid phase fraction determination using x-rays optimized for wet gas'2011 7,817,781'High voltage X-ray generator and related oil well formation analysis'2010 7,684,540'Apparatus and method for fluid phase fraction determination using x-rays'2010 7,669,468'Measuring mud flow velocity using pulsed neutrons'2010 7,668,293'High voltage x-ray generator and related oil well formation analysis apparatus and method'2010 7,639,781'X-ray tool for an oilfield fluid'2009 7,634,059'Downhole imaging tool utilizing x-ray generator'2009 7,564,948'High voltage x-ray generator and related oil well formation analysis apparatus and method'2009 7,542,543'Apparatus and method for well services fluid evaluation using x-rays'2009 7,507,952'Apparatus and method for fluid density determination'2009 7,500,388'Method and apparatus for in-situ side-wall core sample analysis'2009 7,432,499'Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation'2008 7,365,307'Sigma/porosity tools with neutron monitors'2008 6,781,115'Subsurface radiation phenomena detection with combined and azimuthally sensitive detectors'2004 6,097,786'Method and apparatus for measuring multiphase flows'2000 5,912,460'Method for determining formation density and formation photo-electric factor with a multi-detector-gamma-ray tool'1999 5,910,654'Apparatus and method for measuring formation density in rugose boreholes'1999 5,841,135'Method and apparatus for measuring formation density and the formation photo-electric factor with a multi-detector gamma-gamma tool'1998 5,442,173'Method and system for real-time monitoring of earth formation fracture movement'1995 5,408,097'Method and apparatus for correcting natural gamma ray measurements for borehole fluid effects'1995 5,349,184'Method and apparatus for reducing matrix density effects on porosity measurements during epithermal neutron porosity well logging'1994 5,180,917'Self-calibrating proportional counter'1993 5,124,844'Method and apparatus for locating celestial objects'1992 5,107,705'Video system and method for determining and monitoring the depth of a bottomhole assembly within a wellbore'1992 5,051,581'Method and apparatus for epithermal neutron porosity well logging'1991 5,017,778'Methods and apparatus for evaluating formation characteristics while drilling a borehole through earth formations'1991 4,928,088'Apparatus for extracting recorded information from a logging tool'1990 4,926,044'Thermal decay time logging method and apparatus'1990 4,879,463'Method and apparatus for subsurface formation evaluation'1989 4,845,359'Methods and apparatus for safely handling radioactive sources in measuring-while-drilling tools'1989 4,814,609'Methods and apparatus for safely measuring downhole conditions and formation characteristics while drilling a borehole'1989 4,810,876'Logging apparatus and method for determining absolute elemental concentrations of subsurface formations'1989 4,721,853'Thermal decay time logging method and apparatus'1988 4,676,022'Rotatable insect trap device'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1995Based in Missouri City, TX, US· patent location history

1988–2019Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (61)· patent assignee history

1998–1999Based in Ridgefield, CT, US· patent location history

2000–2019Based in Skillman, NJ, US· patent location history

2008Based in Princeton Junction, NJ, US· patent location history

2012–2019Patents assigned to WRAIGHT PETER (15)· patent assignee history

2012–2018Patents assigned to STOLLER CHRISTIAN (9)· patent assignee history

2012–2014Patents assigned to SIMON MATTHIEU (4)· patent assignee history

2013–2019Patents assigned to PERKINS LUKE T (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SCHLUMBERGER TECHNOLOGY CORP	61	1988–2019
WRAIGHT PETERself	15	2012–2019
STOLLER CHRISTIAN	9	2012–2018
PERKINS LUKE T	4	2013–2019
SIMON MATTHIEU	4	2012–2014

Locations

Location	Patents	Span
Skillman, New Jersey, US	43	2000–2019
Missouri City, Texas, US	16	1987–1995
Ridgefield, CT, US	3	1998–1999
Princeton Junction, New Jersey, US	1	2008