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Inventor

Geoff Downton

Inventor
Minchinhampton, GB

Overview

37→
Patents
2003–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 37 as inventor

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

E21Bprimary
E21BEarth or rock drilling66%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids7%
F01CRotary-piston or oscillating-piston machines or engines5%
Y10TTechnical subjects covered by former us classification5%
F03CPositive-displacement engines driven by liquids4%
B05CApparatus for applying fluent materials to surfaces, in general2%
B22DCasting of metals2%
B29CShaping or joining of plastics2%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure2%
G01VGeophysics2%
PatentTitleYear
10,633,923Slidable rod downhole steering20209,284,782'Eccentric steering device and methods of directional drilling'20169,035,788'Real time telemetry'20158,967,296'Rotary steerable drilling apparatus and method'20158,960,329'Steerable piloted drill bit, drill system, and method of drilling curved boreholes'20158,893,824'Steerable drilling system'20148,783,382'Directional drilling control devices and methods'20148,763,726'Drill bit gauge pad control'20148,720,605'System for directionally drilling a borehole with a rotary drilling system'20148,720,604'Method and system for steering a directional drilling system'20148,658,074'Automatic elastomer extrusion apparatus and method'20148,645,571'System and method for managing and/or using data for tools in a wellbore'20148,550,185'Stochastic bit noise'20138,534,380'System and method for directional drilling a borehole with a rotary drilling system'20138,408,333'Steer systems for coiled tubing drilling and method of use'20138,302,705'Steering system'20128,146,679'Valve-controlled downhole motor'20128,066,085'Stochastic bit noise control'20118,011,452'Steerable drilling system'20117,987,927'Steering of bent housing mud motor downhole rotation device'20117,968,184'Erosion resistant surface and method of making erosion resistant surfaces'20117,941,906'Progressive cavity apparatus with transducer and methods of forming and use'20117,916,041'Hole depth sensing'20117,896,628'Downhole motor seal and method'20117,836,975'Morphable bit'20107,810,585'Bi-directional rotary steerable system actuator assembly and method'20107,775,299'Method and apparatus for programmable pressure drilling and programmable gradient drilling, and completion'20107,669,669'Tool face sensor method'20107,383,898'Inner and outer motor with eccentric stabilizer'20087,188,685'Hybrid rotary steerable system'20077,168,507'Recalibration of downhole sensors'20077,168,510'Electrical transmission apparatus through rotating tubular members'20077,136,795'Control method for use with a steerable drilling system'20067,058,512'Downhole rate of penetration sensor assembly and method'20066,877,241'Measurement of curvature of a subsurface borehole, and use of such measurement in directional drilling'20056,715,570'Two stage downhole drilling fluid filter'20046,601,658'Control method for use with a steerable drilling system'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2015Based in Minchinhampton, GB· patent location history
2005–2016Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (32)· patent assignee history
2007–2020Based in Stroud, GB· patent location history
2010–2015Patents assigned to DOWNTON GEOFF (17)· patent assignee history
2010–2015Based in Sugar Land, TX, US· patent location history
2010–2011Based in Gloucestershire, GB· patent location history
2011–2014Patents assigned to JOHNSON ASHLEY BERNARD (6)· patent assignee history
2011–2014Patents assigned to SHEPPARD MICHAEL CHARLES (6)· patent assignee history
2011Based in Sugarland, TX, US· patent location history
2013Patents assigned to ADELUNG DENNY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP322005–2016
DOWNTON GEOFFself172010–2015
JOHNSON ASHLEY BERNARD62011–2014
SHEPPARD MICHAEL CHARLES62011–2014
ADELUNG DENNY12013
Locations
LocationPatentsSpan
Minchinhampton, GB192003–2015
Sugar Land, Texas, US112010–2015
Stroud, GB42007–2020
Gloucestershire, GB22010–2011
Sugarland, Texas, US12011