Exper imental Simulation on Oil-Water-Rock Interaction in the Deep Bonan Sub-sag

GONG Xiu-mei; ZENG Jian-hui; JIN Zhi-jun

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Article Navigation > Acta Sedimentologica Sinica > 2005 > 23(3): 420-428

GONG Xiu-mei, ZENG Jian-hui, JIN Zhi-jun. Exper imental Simulation on Oil-Water-Rock Interaction in the Deep Bonan Sub-sag[J]. Acta Sedimentologica Sinica, 2005, 23(3): 420-428.

Citation:

GONG Xiu-mei, ZENG Jian-hui, JIN Zhi-jun. Exper imental Simulation on Oil-Water-Rock Interaction in the Deep Bonan Sub-sag[J]. Acta Sedimentologica Sinica, 2005, 23(3): 420-428.

Exper imental Simulation on Oil-Water-Rock Interaction in the Deep Bonan Sub-sag

1.
Basin & Reservoir Research Center, University of Petroleum, Beijing 102249;
2.
Key Laboratory of Hydrocarbon Accumulation Mechanism of Education Ministry, Beijing 102249;
3.
Institute of Exploration & Development of SINOPEC, Beijing 100083

Received Date: 2004-08-09
Rev Recd Date: 2005-01-17
Publish Date: 2005-09-10

Abstract

One dimension experimental apparatus composed of fluid input/output system, experimental nomenon, T/P controlling system, as one of the very effective methods studying the subsurface hydrocarbon origin, migration, accumulation and reservoir reconstruction is adopted to simulate oilmigration and accumulation in deep zones in this paper. And the interaction of oil-water-rock under actual high temperature and high pressure (120℃, 45MPa) was simulated. The results showed thatmany changes including their chemical components and rock inner structure etc., under certain temperature and pressure, occurred during petroleum migration from the bottom up along the apparatus with the increased charging quantities, and interaction with sandstone and formation water in apparatus. And the specific changeswere as follows: 1. Many changes took place in the rock structure and its chemical components of inner hydrocarbon. Vertically, saturated hydrocarbon content of oily-sands gradually increased from the bottom up, and the peak value12.78%. And the biomarkers and family components of all samples derived from experiment show the existence of geochromatographic effect during the oilmigration along the apparatus. 2. A certain extent dissolution has acted on mineral component of oily-sands during the oil-water2rock interaction, and it strengthens gradually during hydrocarbon migration from the bottom up along the apparatus. Just because of this dissolution, the property of deep reservoirswith low porosity and permeability has been greatly imp roved, and it supplies effective space for deep hydrocarbon migration and accumulation.
- deep zone,
- interaction,
- one dimension experimental apparatus,
- simulation experiment,
- geochromato-graphic effect

References

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Exper imental Simulation on Oil-Water-Rock Interaction in the Deep Bonan Sub-sag

1. Basin & Reservoir Research Center, University of Petroleum, Beijing 102249;

2. Key Laboratory of Hydrocarbon Accumulation Mechanism of Education Ministry, Beijing 102249;

3. Institute of Exploration & Development of SINOPEC, Beijing 100083

Received Date: 2004-08-09

Rev Recd Date: 2005-01-17

Publish Date: 2005-09-10

Key words:

Abstract: One dimension experimental apparatus composed of fluid input/output system, experimental nomenon, T/P controlling system, as one of the very effective methods studying the subsurface hydrocarbon origin, migration, accumulation and reservoir reconstruction is adopted to simulate oilmigration and accumulation in deep zones in this paper. And the interaction of oil-water-rock under actual high temperature and high pressure (120℃, 45MPa) was simulated. The results showed thatmany changes including their chemical components and rock inner structure etc., under certain temperature and pressure, occurred during petroleum migration from the bottom up along the apparatus with the increased charging quantities, and interaction with sandstone and formation water in apparatus. And the specific changeswere as follows: 1. Many changes took place in the rock structure and its chemical components of inner hydrocarbon. Vertically, saturated hydrocarbon content of oily-sands gradually increased from the bottom up, and the peak value12.78%. And the biomarkers and family components of all samples derived from experiment show the existence of geochromatographic effect during the oilmigration along the apparatus. 2. A certain extent dissolution has acted on mineral component of oily-sands during the oil-water2rock interaction, and it strengthens gradually during hydrocarbon migration from the bottom up along the apparatus. Just because of this dissolution, the property of deep reservoirswith low porosity and permeability has been greatly imp roved, and it supplies effective space for deep hydrocarbon migration and accumulation.

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Exper imental Simulation on Oil-Water-Rock Interaction in the Deep Bonan Sub-sag

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