Map Projections

Coordinate Systems and Indoor Cartography

5107.2 - Identifying and Allocating Geodetic Systems to historical oil gas wells by using high-resolution satellite imagery

Wednesday, July 5
8:50 AM - 9:10 AM
Location: Maryland B

Hydrocarbon exploration in Argentina started long before the IGM created a single, high-precision geodetic reference network for the whole country. Several geodetic surveys were conducted in every producing basin, which have ever since then supported well placement. Currently, every basin has a huge amount of information ref-erenced to the so-called “local” geodetic systems, such as Quiñi-Huao in the Neuquén Basin, and Pampa del Castillo in the San Jorge Basin, which differ to a greater or lesser extent from the national Campo Inchauspe datum established by the IGM in 1969 as the official geodetic network. However, technology development over the last few years and the expansion of satellite positioning systems such as GPS resulted in a new world geodetic order. Argentina rapidly joined this new geodetic order through the implementation of a new national geodetic system by the IGM: POSGAR network, which replaced the old national Campo Inchauspe system. However, this only helped to worsen the data georeferencing issue for oil companies, as a third reference system was added to each basin. Now every basin has a local system, the national system until 1997 (Campo Inchauspe), and finally the newly created POSGAR network national satellite system, which is geocentric unlike the former two planimetric datums. The purpose of this paper is to identify and allocate geodetic systems of coordinates to historical wells, whose geodetic system is missing or has been erroneously allocated, by using currently available technological resources such as geographic information systems and high-resolution satellite imagery.

Gabriel O. Alvarez

Team leader of Cartography
YPF

Gabriel Alvarez is a cartographer graduated in Escuela de Ciencias del Mar, Buenos Aires, Argentina. He has a posgraduation in Spatial Data Infrastructure in Facultad de Ingeniería del Ejército. He carries out his professional activity in the oil business in hydrocarbon exploration. He is specialist in GIS, Geodetic Systems, and Data Quality. He is a author of more 20 papers at national and international conferences about Cartography, Geodesy, Data Quality, Hidrocarbons exploration, and Geotechnology. Currently he is the chief of Cartography and GIS sector at YPF.

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Miljenko Lapaine

Professor
University of Zagreb, Faculty of Geodesy

Miljenko Lapaine graduated from the Faculty of Science, University of Zagreb, in the field of Theoretical Mathematics. He obtained his PhD from the Faculty of Geodesy, University of Zagreb with a dissertation entitled Mapping in the Theory of Map Projections. He has been a full professor since 2003. He has published more than 900 papers, several textbooks and monographs. Prof. Lapaine is the Chairman of the ICA Commission on Map Projections, a founder and President of the Croatian Cartographic Society and the Executive editor of the Cartography and Geoinformation journal.

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5107.2 - Identifying and Allocating Geodetic Systems to historical oil gas wells by using high-resolution satellite imagery

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