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Production-induced reservoir compact...

Chan, Alvin Wing-Ka.

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Production-induced reservoir compaction, permeability loss and land surface subsidence.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Production-induced reservoir compaction, permeability loss and land surface subsidence./
作者:	Chan, Alvin Wing-Ka.
面頁冊數:	176 p.
附註:	Source: Dissertation Abstracts International, Volume: 65-11, Section: B, page: 5601.
Contained By:	Dissertation Abstracts International65-11B.
標題:	Geophysics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3153107
ISBN:	049613552X

Production-induced reservoir compaction, permeability loss and land surface subsidence.
Chan, Alvin Wing-Ka.

Production-induced reservoir compaction, permeability loss and land surface subsidence. - 176 p.

Source: Dissertation Abstracts International, Volume: 65-11, Section: B, page: 5601.

Thesis (Ph.D.)--Stanford University, 2005.

Deformation associated with hydrocarbon production in unconsolidated or poorly consolidated reservoirs can lead to reservoir compaction, permeability loss, land surface subsidence and, potentially, fault reactivation. These production-induced deformations can have significant impacts on both the exploitation scheme and the surface environments in the vicinity of the hydrocarbon reservoir. To understand the severity of the deformation, it is important to understand the physical and mechanical properties of the producing formations in response to depletion. There are three main goals in this thesis: (1) To understand the mechanism of production-induced porosity loss and reservoir compaction in weak sand reservoirs, (2) To investigate how the change in porosity will affect permeability and reservoir productivity, and (3) To examine the impact of oil and gas production on land surface subsidence as a result of reservoir compaction and fault reactivation, with particular interest in the Louisiana Coastal Zone.

ISBN: 049613552XSubjects--Topical Terms:

535228
Geophysics.

Production-induced reservoir compaction, permeability loss and land surface subsidence.
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245 1 0 $a Production-induced reservoir compaction, permeability loss and land surface subsidence.
300 $a 176 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-11, Section: B, page: 5601.
500 $a Adviser: Mark D. Zoback.
502 $a Thesis (Ph.D.)--Stanford University, 2005.
520 $a Deformation associated with hydrocarbon production in unconsolidated or poorly consolidated reservoirs can lead to reservoir compaction, permeability loss, land surface subsidence and, potentially, fault reactivation. These production-induced deformations can have significant impacts on both the exploitation scheme and the surface environments in the vicinity of the hydrocarbon reservoir. To understand the severity of the deformation, it is important to understand the physical and mechanical properties of the producing formations in response to depletion. There are three main goals in this thesis: (1) To understand the mechanism of production-induced porosity loss and reservoir compaction in weak sand reservoirs, (2) To investigate how the change in porosity will affect permeability and reservoir productivity, and (3) To examine the impact of oil and gas production on land surface subsidence as a result of reservoir compaction and fault reactivation, with particular interest in the Louisiana Coastal Zone.
520 $a To examine the impact of pressure reduction on porosity, a formalism termed Deformation Analysis in Reservoir Space (DARS) that combines simple laboratory rock mechanics experiments with in situ stress measurements is introduced. Production and laboratory data can be evaluated simultaneously by utilizing DARS to study the potential of induced faulting and reservoir compaction. With appropriate laboratory study, the DARS formalism can forecast porosity changes as a function of depletion and production rate. Compaction induced by depletion can have a significant impact on the permeability of a producing formation. Using available laboratory experiments and published data, an empirical relationship between porosity loss and permeability loss is established. The relationship provides a range of the potential permeability loss resulting from compaction that could have significant implication on reservoir productivity. Reservoir compaction can also lead to surface subsidence. In Louisiana, it has been documented that hydrocarbon production might have some impacts on surface subsidence that lead to wetland loss in the coastal area. Utilizing the DARS formalisms along with both analytical and numerical modeling, the impacts of reservoir compaction on surface subsidence and its potential to trigger slip on nearby faults in the Lapeyrouse field in southern coastal Louisiana are examined.
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