Developments and Some Problems of Geophysical Exploration in Japanese Oil Fields

Kumizi Iida

doi:10.3720/japt.16.297

Developments and Some Problems of Geophysical Exploration in Japanese Oil Fields

Journal of the Japanese Association for Petroleum Technology ◽

10.3720/japt.16.297 ◽

1951 ◽

Vol 16 (6) ◽

pp. 297-311

Author(s):

Kumizi Iida

Keyword(s):

Oil Fields ◽

Geophysical Exploration

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EXPLORATION WORK IN MEXICO

Geophysics ◽

10.1190/1.1437853 ◽

1953 ◽

Vol 18 (1) ◽

pp. 188-200

Author(s):

Antonio Garcia Rojas

Keyword(s):

United States ◽

Gulf Coast ◽

Geophysical Methods ◽

The United States ◽

Oil Fields ◽

Present Level ◽

Geophysical Exploration ◽

Petroleos Mexicanos ◽

The Difference

Since 1940 Mexico has increased exploration work in search of new oil fields. Most of the exploration has been done in the Gulf Coast area where all existing Mexican oil fields are located. A brief résumé is given of the main problems of the different provinces under exploration and a list of the fields discovered by Petróleos Mexicanos in the different provinces of the country. Geophysical methods have been responsible for location of a very large percent of the new fields. To compare the intensity of exploration in the United States and Mexico, the amount of seismic and gravity‐meter work and of wildcat drilling per million barrels of production is given for both countries. The data shows that Mexico’s level of geophysical exploration, per million barrels of oil produced, is very close to that of the United States. A very marked increase in the intensity of exploration is shown for both countries. Wildcat drilling in Mexico has been less intensive than in the United States but shows a definite tendency to increase; its present level is very close to that of the United States during 1940. The writer is of the opinion that the difference in intensity of wildcat drilling shown in the data presented is actually smaller than appears as there is a certain amount of duplication in the United States because of leaseholding problems.

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Reply by author to discussion by William C. Kellogg

Geophysics ◽

10.1190/1.1486544 ◽

1966 ◽

Vol 31 (4) ◽

pp. 826-826

Author(s):

Nelson C. Steenland

Keyword(s):

High Sensitivity ◽

Oil Fields ◽

Aeromagnetic Anomalies ◽

Geophysical Exploration ◽

New Frontier

Those of us engaged in the pursuit of “high sensitivity” aeromagnetics are fully aware of, undoubtedly most aware of, the problems in its development. Some of these appear in Mr. Kellogg’s letter of 18 March 1966. It should be equally obvious that the advantages outweigh the disadvantages. Solutions to the problems Mr. Kellogg describes are being sought rather than simply accepting them as inalterable. “Oil Fields and Aeromagnetic Anomalies” made no attempt to describe these solutions, but set forth the problem as a new frontier in geophysical exploration.

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