RESEARCH OF THE RESERVOIR PHYSICS PROPERTIES CHARACTERISTICS OF THE VOLCANIC ROCKS OF RHY-OLITE TYPE

doi:10.3863/j.issn.1000-2634.2004.03.004

西南石油大学学报(自然科学版) ›› 2004, Vol. 26 ›› Issue (3): 12-15.DOI: 10.3863/j.issn.1000-2634.2004.03.004

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RESEARCH OF THE RESERVOIR PHYSICS PROPERTIES CHARACTERISTICS OF THE VOLCANIC ROCKS OF RHY-OLITE TYPE

PENG Cai-zhen¹ GUO Ping¹ SU Ping²et al.

(Southwest Petroleum Institute, Chengdu Sichuan 610500,China)

Received:2003-04-11 Revised:1900-01-01 Online:2004-06-20 Published:2004-06-20
Contact: PENG Cai-zhen

Abstract

Abstract: The volcanic rocks reservoir has special types and complex pore structure. Reservoir physics properties will affect the produced degree of crude oil (gas) during development. The material of rhyolite core sample and well-logging of Shengshen 2-1 well is used in rhyolite volcanic rocks gas field. Through the ex-
perimental study of petrophysical parameter varied with net overburden pressure. The experimental result is treated and analyzed ,some beneficial conclusion is obtained : Both that of the porosity of rhyolite volcanic rocks reservoir came along net overburden pressure submit polynomial(trinomial)function change relation; Both that of permeability of rhyolite volcanic rocks
reservoir changed along with net overburden pressure satisfy power exponent relation; reservoir rock compressibility coefficient and net overburden pressure of compartment relation satisfied exponential relation type; rock densities and porosity contents corking linear relationship. The physical property charac-
teristic of rhyolite volcanic rocks reservoir farther known knows clearly. This favorable base data is supplied for determining rational exploitation scheme of volcanic rocks gas reservoir.

Key words: rhyolite, volcanic rock, reservoir bed, porosi-ty, permeability, compressibility coefficient, saturation of prim-itive water

CLC Number:

TE122.2

PENG Cai-zhen GUO Ping SU Ping et al.. RESEARCH OF THE RESERVOIR PHYSICS PROPERTIES CHARACTERISTICS OF THE VOLCANIC ROCKS OF RHY-OLITE TYPE[J]. 西南石油大学学报(自然科学版), 2004, 26(3): 12-15.

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RESEARCH OF THE RESERVOIR PHYSICS PROPERTIES CHARACTERISTICS OF THE VOLCANIC ROCKS OF RHY-OLITE TYPE

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