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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 17 (1933)

Issue: 12. (December)

First Page: 1521

Last Page: 1526

Title: Jamin Previous HitEffectNext Hit in Oil Production

Author(s): Randall Wright (2)


The Jamin Previous HiteffectNext Hit is defined as that resistance to liquid flow through capillaries which is due to the presence of bubbles. The actuality of this Previous HiteffectNext Hit in the case of water is shown. It is concluded that the Jamin Previous HiteffectNext Hit probably does not arise in the case of petroleum moving toward a producing well. That this Previous HiteffectTop retards underground water movement to any great extent appears doubtful.

One asphalt-base and one paraffine-base oil each exhibited greater adhesion for sand grains than did water under the laboratory conditions used. Hydraulic pressure produced more oil than did air pressure from similar artificial formations.

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