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Keywords: mechanism
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Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130333-MS
... of heavy oil. It has shown that the mechanism of aquahtermolysis is discussed further. We found the new mechanism of catalyst not only broken C-S bond, but also broken C-O and C-N bonds, and accelerated the reaction of aquathermolysis. The results are very useful for the popularization and application...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130455-MS
... of precipitated asphaltene saturation. Optimization shows that all deposition mechanisms, surface deposition, entrainment and pore plugging, are dominant during the permeability evolution process. Results of this work can be helpful for reliable simulation of the dynamic asphaltene deposition process during...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130551-MS
... mechanism in this study area, unloading may also have contributed to the overpressure. Both Bowers and Eaton models can be applied to predict pore pressure ahead of bit for the overpressure mechanisms in the area. formation pore pressure constraint point prediction current td upstream oil...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130961-MS
... the mechanism of formation damage. However, the permeability is too low to be carried out the core flooding tests easily for this type of formations, furthermore, the typical core samples are hard to get in some reservoirs. Focusing on the typical formations with low-porosity and low-permeability...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131043-MS
... Abstract Rock wettability is one of the most important factors driving oil recovery mechanisms, as it controls the location, flow and distribution of reservoir fluids. Wettability affects most of the petrophysical properties of reservoir rocks including capillary pressure, relative permeability...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131314-MS
... Abstract Gas hydrates have become an increasing problem to the oil and gas industry as the development entering deeper water encounters high-pressure and low-temperature regions. However, the mechanisms and applications of kinetic hydrate inhibitors are less well understood. This paper provides...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131759-MS
... model is completely formulated. Finally, the effects of fracture-induced heterogeneity on mass transfer and local diffusion mechanisms are numerically studied. The dramatic impact of the preferential pathway on the earlier CO2 breakthrough as well as the overall gas recovery is observed in the numerical...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131889-MS
... Abstract Wellbore collapsing and formation leak off in drilling are all resulted from wellbore instability. So, researches on wellbore instability mechanism and its critical conditions can provide theoretical foundation on which is based to prevent wellbore instability in drilling. The paper...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131829-MS
... Abstract Steam flooding in heavy-oil sands has been well characterized over last decades as a mature technology, and while steam has been injected into light-oil, low-permeability sands almost as long, the mechanisms and effectiveness of this process are much less understood because...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-131970-MS
... flooding of carbon dioxide miscibility flooding take part an important role in oilfield. This study is mainly conducted by reservoir flow and supercritical fluid theory. Supercritical CO 2 miscible flooding mechanism and a special dead end displacement mechanism are studied in ultra-low permeability...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-102381-MS
... the bit, but also the rotation round the cone axis 9 . But the changes of interaction characteristic with rock and the rock breaking course make its rock-breaking mechanism different from that of conventional one-cone bit. There is a long slippage distance after its tooth contacts the bottom hole...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-103822-MS
... Numerous studies have shown that in situ stress contrast is the most important mechanism controlling fracture height containment. 2 , 5 , 7 Therefore, it is important to include stress contrast when studying the combined effects of other mechanisms. The effects of other parameters on height...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-103848-MS
... In this paper, the results of CT tests are described with experimental procedure, followed by the history matching studies with these tests. From these results, oil recovery mechanisms of HPAI will be discussed. The Recovery Mechanism of HPAI Abstract A series of experiments is essential...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-103856-MS
... by the undercompaction mechanism. 8 The V norm term is defined in the normal trend line that reflects the trend in sediments of decreasing porosity. Then the pore pressure can be computed: To build the pore pressure model from an offset well before spudding, the following steps are normally taken: (4...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-104239-MS
... a Mechanical Earth Model (MEM). This model provided the descriptions of the rock strengths and in-situ stresses in the reservoir formation. Somewhat surprisingly, the model, backed up by the core laboratory test data, observations from core inspection and thin section analyses, revealed the rocks...
Proceedings Papers

Paper presented at the International Oil & Gas Conference and Exhibition in China, December 5–7, 2006
Paper Number: SPE-104440-MS
... geological model built through history match, the remaining oil distribution and cyclic waterflooding mechanism was studied systematically. The research achievements can be taken as reference for the similar reservoirs which have entered into high or very high watercut development period and have improved...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64725-MS
... are warranted. A secondary focus of the paper is to examine in detail how dispersion affects recoveries and displacement mechanisms for the four and twelve-component systems. We show that for the case of the four-component model the displacement mechanism changes from a combined condensing/vaporizing...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64661-MS
... mentioned applications and highlights the seamless integration of the efforts of various departments and multidisciplinary teams. reservoir characterization gupco water injection permeability perforation pipeline spe 64661 marginal field development producer mechanism completion installation...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64733-MS
... Abstract Oil and gas wells can develop gas leaks along the casing years after production has ceased and the well has been plugged and abandoned (P&A). Explanatory mechanisms include channelling, poor cake removal, shrinkage, and high cement permeability. The reason is probably cement...
Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, November 7–10, 2000
Paper Number: SPE-64747-MS
... Abstract A new sand production model is developed based on inter-particle contact force variations at the discrete micromechanical level. Two mechanisms for sand production can be expected in the field, dynamic detachment and equilibrium yield. The model discussed in the paper describes...

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