Estimation of Reserves at Different Phases in the History of an Oil Field

Author(s):  
H. Garcia Pereira ◽  
A. Costa e Silva ◽  
L. Ribeiro ◽  
L. Guerreiro
Keyword(s):  
Geophysics ◽  
1956 ◽  
Vol 21 (3) ◽  
pp. 815-827 ◽  
Author(s):  
Raoul Vajk ◽  
George Walton

In 1951, the French Government granted an exclusive exploration permit to the Esso R.E.P. (a Standard Oil Company affiliate) over an area of 4,357,980 acres around Bordeaux in the northern part of the Aquitaine Basin, France. This area was investigated first by surface geology; then it was surveyed by the gravity meter. In checking the gravity anomalies by the reflection seismograph, a subsurface structure was found at Parentis in 1953, which was drilled in 1954, and was proved to be oil bearing. The Parentis oil field is the most important oil field, not only in France, but in all Europe outside the Iron Curtain. Gravity map, seismograph map, seismic profiles, telluric map and geological contour maps, and cross sections of the Parentis structure are presented.


Geophysics ◽  
1954 ◽  
Vol 19 (4) ◽  
pp. 791-801
Author(s):  
Holland C. McCarver

The Good oil field, located in the southwestern part of Borden County, Texas, became a reef oil producer in April, 1949. The discovery well was drilled subsequent to a seismic program along a suspected reef trend. The discovery was made without benefit of reef reflections, and was based only on maps showing Permian draping. This technique offers interesting comparisons between seismic and subsurface data.


Geophysics ◽  
1947 ◽  
Vol 12 (3) ◽  
pp. 393-401
Author(s):  
John H. Wilson

The results of a gravity meter survey of the Fort Collins field, Larimer County, Colorado, both before and after elimination of regional effects, is presented together with subsequent seismograph and subsurface studies which led to the development of a small northward extension of the Fort Collins oil field. Other geophysical work in the area is reviewed.


Geophysics ◽  
1948 ◽  
Vol 13 (3) ◽  
pp. 371-386
Author(s):  
Gordon Atwater

The localized occurrence of salt water in shallow wells on and near the Louisiana State University campus, in addition to shells collected during the drilling of these wells, attracted the attention of geologists to this area prior to 1926. A torsion balance survey in 1931 was followed by a dry hole drilled in 1933 southeast of the present field. Three separate reflection seismograph surveys during the period of 1934 to 1937, on each one of which a well was drilled without establishing production, were made on the University structure prior to discovery in 1938. The location based on the first reflection seismograph survey should have resulted in the discovery of both the shallow and deep production, and the discovery location was finally made because of the oil and gas shows encountered in this abandoned test. After discovery, an additional reflection survey was made to detail the structure as an aid in development.


1925 ◽  
Vol G-25 (01) ◽  
pp. 199-254
Author(s):  
Edward L. Estabrook ◽  
Clarence M. Rader
Keyword(s):  

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