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Papers

Metatek staff have a long history of scientific publishing.

Some of these papers are listed below:

Conference Publications

2023

2023 – GESGB/HGS Africa – London

Prospect mapping using Full Tensor Gravity Gradiometry data – examples from onshore Gabon

Alex Ball1, Kian Hewitt1, Gary Barnes2, Paul Versnel2, Jonathan Watson2 1Perenco Gabon, 2Metatek

2022

2022 – HGS/PESGB Africa Conference – Houston

High resolution gravity gradiometry for different geographical and geological scales, Onshore Egypt and the Gulf of Suez 

Jonathan Watson1 1 Bridgeporth Ltd.

2022 – PESGB Geophysics Seminar – London

Latest Advances in Airborne Gravity Gradiometry Jonathan Watson1, Gary Barnes11 Bridgeporth Ltd.

2022 – GESGB Night School

Non-Seismic Geophysical Methods for O&G Exploration and the Energy Transition, Jonathan Watson and Dr Gary Barnes

Lecture 1: Non-Seismic Geophysical Methods for O&G Exploration and the Energy Transition

Lecture 2: Gravity Gradiometry – Introduction and case studies

Lecture 3: Other non-seismic methods and applications in non-oil & gas exploration

2019

2019 – Finding Petroleum – London

The use of non-seismic methods to aid successful exploration. Case-studies from onshore/offshore Mexico and onshore Colombia Jonathan Watson1 1 Bridgeporth Ltd.

2019 – SEAPEX – Singapore

Integrated interpretation of geophysical data over the NW Shelf, Australia (Westralia ACCESS project); Ben Spurgeon1, Jonathan Watson1, Barrett Cameron2, Jennifer Greenhalgh2. 1 Bridgeporth Ltd., Milton Keynes, UK, 2 Petroleum Geo-Services, Perth, Australia.

2018

2018 – PETEX – London

A Comparison Between Airborne Gravity And Gravity Gradiometry; Showcasing Recent Improvements From An East Greenland Exploration Project. J. Watson1, S.Goodman1, J. Jacques2, G.Barnes

AustinBridgeporth1, Greenland Gas & Oil2

2018 – HGS-PESGB African E&P - Houston

JMA – The Hidden Treasure Below the Basalt. Neil Hodgson1, K. Rodriguez1., J.Watson1 Spectrum Geo, Woking, UK, 2 Bridgeporth Ltd, Milton Keynes, UK.

2017

2017 – AAPG/ICE – London

Integrated interpretation of geophysical data over the NW Shelf, Australia (Westralia ACCESS project); Ben Spurgeon1, Jonathan Watson1, Barrett Cameron2, Jennifer Greenhalgh2.

1 Bridgeporth Ltd., Milton Keynes, UK, 2 Petroleum Geo-Services, Perth, Australia.

2017 – EAGE – Paris

Workshop- How Exploration is Adapting to the Low Price Environment: An Approach to Smart Seismic – New Ultra High Resolution Gravity and how to use it effectively – J. Watson.

2016

2016 – EAGE – Vienna

Gravimetry or Gravity Gradiometry – Which is the correct tool?;  G.J.Barnes.

2014

2014 – Finding Petroleum

New Ideas on Exploring for Unconventionals: The usefulness of potential field data in unconventionals; J. Watson.

2012

2012 – GeoBahrain

The integration of gravity, gravity gradiometry and magnetic datasets into the exploration workflow – Ogaden Basin, Ethiopia; J. Watson, D. Jackson and G. Tefera.

2010

2010 – Petroleum Geology Conference series

The search for a Carboniferous petroleum system beneath the Central North Sea; R. Milton-Worssell, K. Smith,2 A. McGrandle, J. Watson and D.Cameron. Volume. 7; p. 57-75.

2010 – EAGE – Barcelona

Interpretation of Gravity Gradiometry data and Integration with PSDM Workflow – Imaging Sub-salt structures in Gabon; J. Barraud, F. Assouline, N. Dyer, J. Watson.

2006

2006 – AGU fall meeting, San Francisco

Strength anisotropy in Southern Africa from gravity-topography coherence studies: Implications for continental deformation; Jonathan Watson and Frederik J Simons (poster presentation).

2001

2001 – PIP – meeting the challenges of new frontiers

Presentation at Petroleum Infrastructure Programme Conference, Dublin. Interpretation and modelling of Line SPB97-103, Porcupine Basin, Offshore Ireland; Jonathan Watson. ARK Geophysics Ltd (poster presentation).

2022 - SEG - Gravity Field Reconstruction using Gradiometric Measurements

Gary Barnes, Mark Davies, Jonathan Watson & Ali Abdelaziz.

2022 - SEG - The Red Sea Unlocking Future Hydrocarbon Potential - Hurghada

Application of broadband gravity data to map the Red Sea basement structure Jonathan Watson1, Mark Davies1, Ali Abdelaziz2, Mohamed Gameel3 1 Bridgeporth Ltd., 2 Arabian Geophysical, 3 Dublin International Petroleum (Egypt) Ltd.

2019 – PESGB/HGS Africa – London

Unlocking the potential of Africa’s Forgotten Transform Margin; the Outeniqua Basin, South Africa Gavin Elliott1, Chris Johnson1, Tiago Cunha2, Paul Versnel3 & Jonathan Watson3 1 New Age (African Global Energy). 2 IGI Ltd. 3 Bridgeporth Ltd.

2019 – Finding Petroleum – London

A new approach to onshore exploration where seismic struggles using the latest airborne gravity gradiometry and ground magnetotellurics technology. M. A. Davies – AustinBridgeporth.

2018 – PETEX – London

The use of Full Tensor Gravity Gradiometry to build a basin model and quantify petroleum potential; a case study from North Africa. P.Versnel1, J.Watson1, Sean Goodman1, J.Argent2, J.Canning2, T. Marples2, T.Archer3, D.Tripome2.

 AustinBridgeporth1, Sound Energy2, Reid Geophysics3

2018 – Asia Pacific – London

The latest Airborne Gravity Instrumentation; How to Use Effectively and its Role in a Low-Price Environment. Jonathan Watson.

2017 – SEG – Houston

Seaward-dipping reflectors or presalt synrift graben?: Insight from an integrated case study of presalt reflectors in Campos Basin, offshore Brazil; Quincy Zhang, Gary Rodriguez, Hao Xun, Duncan Bate, and James Keay, TGS; Michael Hudec, University of Texas–Austin, Bureau of Economic Geology; Jonathan Watson, Bridgeporth Ltd.

2017 – APPEX – London

An Approach to Smart Seismic – New Ultra High Resolution Gravity and how to use it effectively – J. Watson.

2015

2015 – APPEX Global

Effective use of Gravity & Magnetics, including ‘Hi Res Gradiometry’ in unlocking Frontier E&P; M.A. Davies.

2014 – Finding Petroleum

Leading Edge Exploration in Africa: Integrating potential field data with seismic, geochemistry and structural geology; J. Watson.

2011

2011 – CSPG CSEG CWLS Joint Annual Convention – Calgary

A New Approach to Exploration: Utilizing Gravity Gradiometry for Onshore Reef Oil Targets in Nova Scotia; I. Shook, D. Moore, J. Watson, P. Patton and R. Matheson.

2010 – EAGE – Barcelona

The value of integration of gravity gradiometry with seismic and well data – an example from a frontal thrust zone of the UAE-Oman fold belt; J. Watson, F. Van Kleef, D. Jackson, A. Protacio.

2010 – GeoBahrain

The applicability of gravity gradiometry as an exploration tool in the U.A.E; J.Watson, F. Van Kleef, D. Jackson, A. Protacio.

2002

2002 – AAPG Hedberg Conference, Stavanger, Norway

Hydrocarbon Habitat of Volcanic Rifted Passive Margins: Getting more from your potential field data. Offshore Angola & Brazil, a case study;

Mark A. Davies, Paul Versnel & Jonathan A. Watson. ARK Geophysics Ltd.

Published Papers

Egypt’s Buried Secrets

Davies M.D., and Barnes G.J., 2020
GEO ExPro, 17, no.5, October

Utilization of airborne gamma ray spectrometric data for radioactive mineral exploration of G.Abu Had – G.Umm Qaraf area, South Eastern Desert, Egypt

Elkhadragy A.A.1, Ali M.S. Abdelaziz, Abdelmohsen G.N.
Gharieb, Ahmed A. El-Husseiny, 2016

Multi-Dimensional 2D and 3D Modeling Analysis and Interpretation of the High-Resolution Airborne Total Magnetic Intensity Data at West Edfu Area, Western Desert - Egypt

Am. Hamdy, A. Abdelaziz, Sami Abd El Nabi, 2015

Reconstructing the gravity gradient anomaly field from surveys with wide line spacing using equivalent source processing: an error analysis

Barnes, G.J., 2014
Geophysical Prospecting, 62, 646-657

Imaging geologic surfaces by inverting gravity gradient data with depth horizons

Barnes, G.J. and J. Barraud, 2012
Geophysics., 77, G1-G11

Probing Magnetic Bottom And Crystal Temperature Variation Along The Red Sea Margin Of Egypt

D. Ravat, A. Salem, A. Abdelaziz, E. Elawadi, P. Morgan, 2011
Tectonophysics 512, PP 337-344

Major Effects of High-Resolution Airborne Magnetic (Hram) Survey Main Criteria On Data Quality

Ali M.S. Abdelaziz, 2010 Morgan, 2011
Journal of Applied Geophysics, 2010

Noise analysis and reduction in full tensor gravity gradiometry data: In R.J.L. Lane (editor)

Barnes, G.J., and J.M. Lumley, 2010
Abstracts from the ASEG-PESA Airborne Gravity 2010 Workshop, 21-27

The Use of Aero-Gamma-Ray Spectrometric Survey Data, As a Corroborative Direct Indicator For Subsurface Hydrocarbon Occurrences

Ali M.S. Abdelaziz, 2009
Journal of Applied Geophysics, vol. 2

Advantages of multi-tensor high resolution gravity gradient data

Barnes, G.J., J. Barraud, J. Lumley, and M. Davies, 2008
78th Annual International Meeting, SEG, Expanded Abstracts, 3587-3590

3-D magnetotelluric inversion and model validation with gravity data for the investigation of flood basalts and associated volcanic rifted margins

S. Hautot, R.T. Single, J. Watson, N. Harrop, D.A. Jerram, P. Tarits, K. Whaler and G. Dawes. 2007
Geophysical Journal International, Vol. 170 Issue 3 Pages 961-1439

Implications of High Resolution Airborne Magnetic Survey Data over Some Gas Fields, offshore Nile Delta, Egypt

Elsirafy A.M., Aref A.A., Ismail A.A., Elawady E.A., and Abdelaziz A. M., 2005
First International Conference for Oil and Gas Exploration, Cairo 2005

A superconducting gravity gradiometer tool for exploration: Airborne Gravity 2004

Lumley, J.M., White, J.P., Barnes, G., Huang, D., and H.J. Paik, 2004
Abstracts from the ASEG-PESA Airborne Gravity 2004 Workshop, 21-39

Analysis of Airborne Geophysical Survey Data and their Mineral Deposit Significance, Abu-Zeneima / Al-Tur Area, Southwestern Sinai, Egypt

Abdelaziz A.M.S., Ahmed A Khamies & Mohammed S. Mostafa, 2003
Egypt.J. Appl. Geophs., Vol.2, Sept., 2003, pp100-112

Detecting rift basins in the Evans Ice Stream region of West Antarctica using airborne gravity data

Jones, P.C., Johnson, A.C., von Frese, R.R.B.,Corr, H. 2002
Tectonophysics, 347 (1-3): 25-41

A new estimate of the adopted gravity value at Rothera Station, Antarctic Peninsula

Jones, P.C., Ferris, J.K., 1999
Antarct. Sci. 11, 463-464

Contribution of Airborne Gamma-Ray Spectrometric Surveying to Uranium Exploration at Abu-Zeneima/Al Tur-Area, Southwestern Sinai, Egypt

Elsirafy A.M., Aref A.A., Ismail A.A., Elawady E.A., and Abdelaziz A.M., 1999
First Seminar on Nuclear Raw Materials and their Technologies, Cairo, 1-3, Nov., 1999

Airborne gravity survey in southern Palmer Land Antarctica

Jones, P.C., Johnson, A.C., 1995
Scwarz, K.P., Brozena, J., Hein, G. (Eds.), Proceedings of the IAG Symposium on Airborne Field Determination, at the IUGG XXI General Assembley, Boulder, Colorado, July 1995, Special Report No. 60010. Department of Geomatics Engineering at the University of Calgary, Calgary, Alberta, Canada, pp 117-123.

The gravity module assembly used in airborne full tensor gradiometry surveys

Barnes G.J., 2018
Geophysical Prospecting, 67: 1620-1625

Airborne Magnetic Data Interpretation To delineate the Subsurface Structure of Qena-Quseir Shear Zone Area, Eastern Desert, Egypt

Elkhadragy A.A.1, Ali M.S. Abdelaziz, Abdelmohsen G.N. Gharieb, Ahmed A. El-Husseiny, 2016

The New Interpretation Magnetic Data to delineate the structural setting of East Gebel Hamid Area, Northern Western Desert, Egypt Geophysical science, El Mansora University

Am. Al-husseiny, A. Abdelaziz, A Aref, M Shreif, 2012

Interpolating the gravity field using full tensor gradient measurements: First Break

Barnes, G.J., 2012
EAGE publication, 30, 97-101

Processing gravity gradient data

Barnes, G.J. and J.M. Lumley, 2011
Geophysics, 76, I33-I47

World’s Direct-use of Geothermal Potential With An Example From Egypt

D. Ravat, A. Salem, A. Abdelaziz, E. Elawadi, P. Morgan, 2010
(AOGS) Asia Oceania Geosciences Society Conference, Hyderabad, India, 2010

Application of Some Advanced Interpretation Techniques In Depicting The Structural Setting Of Wadi Abu-Had Area, Northern Eastern Desert, Egypt, Using Aeromagnetic Data

Magdy A. Gouda, Ali M. Abdelaziz and Mahmoud I. Mira, 2010 Journal of Geophysics, 2010

Noise in FTG data and its comparison with conventional gravity surveys

Barnes, G., Lumley, J., Houghton, P., and Gleave, R., 2010
Expanded Abstracts, EGM 2010 International Workshop, Capri, Italy

Spectral Analysis of Aeromagnetic Data For Geothermal Reconnaissance of The North Eastern Desert Of Egypt

Ahmed Salem, Dhananjay Ravat, Abuelhoda Elsirafy, Eslam Elawadi, and Ali Abdelaziz, 2008
(AGU) American Geophysical Union Conference, Florida, USA

Expanding foothills exploration in Muskwa-Kechika: An Integrated Approach Using Full Tensor Gravity Gradiometry, Magnetic Gradiometry, LIDAR, Digital Mapping & GIS

Davies M.A., Barraud J & Dyer N, 2007

Analysis of Gravity Data to Reveal the Subsurface Structure of Alqaa Plain, Southwestern Sinai, Gulf of Suez, Egypt

Ahmed A Khamies, Abdelaziz A.M.S., Ahmed A Khamies & Mahmoud Mira, 2007
Second International Conference on the Geology of the Tethys, 2007

Resolving the K-2 salt structure in the Gulf of Mexico: An integrated approach using prestack depth imaging and full tensor gravity gradiometry

O’Brien J & Davies M.A,  2005
Leading Edge

Imaging subsurface cavities from microgravity data using Hopfield neural network

Salem, A., Elawadi, E,  Abdelaziz A.M.S., A., and Ushijima, K., 2003
Proceedings of the 7th RAEG International Symposium, 199-205

Airborne Monitoring of Environmental Radioactivity at Abu Zeneima–Al Tur Area, Southwestern Sinai

Abdelaziz A.M.S., Aref A.A., and Ismail A.A., 2003
Egypt.J. Appl. Geophs., Vol.2, Sept., 2003, pp155-166.

Utilization Of Geophysical Survey Data As An Aid To Geological Mapping, Mineral Exploration And Environmental Monitoring, Abu-Zeneima/El-Tur Area, Southwestern Sinai, Egypt

Abdelaziz A.M.S., 2000
PhD. Dissertation. Geophysics Dept., Faculty of Science, Ain Shams University, Cairo, Egypt

Towards a new free air anomaly map of the Antarctic Peninsula

Jones, P.C., 1998
Forsberg, R., Feissel, M., Dietrich, R. (Eds.), International Association of Geodesy Symposia, 119, Springer-Verlag, Berlin Heidelberg, pp 517-522.

A GIS database of faulting and fracturing in eastern and southern Africa based on published geological maps and new aeromagnetic interpretation

Abdelaziz A.M.S., 1996
M.Sc. Dissertation, ITC, Delft, The Netherlands, 78 p.

In Preparation

The use of 3D gravity modelling to image beneath seismically opaque structures: Maja Extension, a case study (submitted to Leading Edge).

Davies M.A., et al.

Structural interpretation of Passive Rift Margins using potential field data. Case 1: Offshore Angola. (Leading Edge and Geophysical Prospecting).

Davies M.A., et al.

Managing reservoirs using 4D gravity techniques. (Leading Edge).

Davies M.A.

The use of 3D gravity inversion in pre-stack depth migration. A case study. (Submitted to Geophysical Prospecting).

Davies M.A., et al.

Structural interpretation of Passive Rift Margins using potential field data. Case 1: Offshore Angola. (Leading Edge and Geophysical Prospecting).

Davies M.A., et al.

The use of Gravity gradiometry in volcano hazard monitoring. A powerful new technique.

Davies M.A., et al.

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