The macroscopic and microscopic analysis on the performance of steam foams during thermal recovery in heavy oil reservoirs

Pang, Zhanxi; Lyu, Xiaocong; Zhang, Fengyi; Wu, Tingting Vogt; Gao, Zhennan; Geng, Zhigang; Luo, Chengdong

doi:10.1016/j.fuel.2018.06.048

Cited by 56 publications

(18 citation statements)

References 27 publications

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“…The field test with air foam injection in heavy oil reservoirs had shown that the water cut was reduced (Lang et al, 2020). By using the 2D visualization model to observe the steam and nitrogen foam injection, similar observations were discerned that foam injection tends to increase the swept area compared with steam (Pang et al, 2018). However, the stability of foam is critical to the success of steam-foam project.…”

Section: Introductionmentioning

confidence: 70%

Multi-Component Thermal Fluid Injection Performance in Recovery of Heavy Oil Reservoirs

et al. 2021

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Field observations discern that the oil production rate decreases substantially and water cut increases rapidly with the increase of steam injection cycles. Compared with steam drive, the advantage of flue gas (also called multi-component thermal gas) co-injection with steam is that flue gas can increase the reservoir pressure and expand the heating chamber. In this paper, the flue gas generated by fuel burning in the field was injected with steam to improve heavy oil recovery. This technique was investigated in the large laboratory 3D model and implemented in the field as well. The huff-n-puff process efficiency by flue gas, steam, and flue gas–steam co-injection was compared in the experiments. The field practice also demonstrated that the addition of non-condensable gas in the steam huff-n-puff process recovered more oil than steam alone. The temperature profile in the wellbore with flue gas injection is higher than that with steam injection since the low thermal conductivity of N2 reduces the heat loss. With the increase of stimulation cycles, the incremental oil recovery by flue gas injection declines significantly.

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Section: Introductionmentioning

confidence: 70%

Multi-Component Thermal Fluid Injection Performance in Recovery of Heavy Oil Reservoirs

et al. 2021

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“…When the value of is small, the flowing of steam will be limited on the top of the reservoir, front dip angle become small. With the value of increasing, steam front tends to be vertical, the steam zone will be thickness, improving the steam sweep volume and recovery factor finally [13].…”

Section: Mathematical Model 21 Van Lookren Steam Overlap Theorymentioning

confidence: 99%

The Research of Vapor Phase Front Migration Rules in Steam Assisted Gravity Drainage

2020

IJM

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“…During the process of thermal recovery, a cement sheath is used as a supporting casing and isolates the cementing intervals that can withstand steam environments of up to 300-350 °C. This is a challenge for cementing materials for heavy oil thermal-recovery wells (Nabih and Chalaturnyk, 2014;Pang et al, 2018;Chai et al, 2022;Ding et al, 2021). However, silicate cement added to sand is often used at high temperatures in hot and humid environments for long periods of heavy oil thermal recovery; the compressive strength declines sharply, causing zonal isolation invalidation and shortening the working life of the oil well (Walker, 1962;Salehpour et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Improvement of Calcium Aluminate Cement Containing Blast Furnace Slag at 50°C and 315°C

Wu¹,

Liu²,

Xiong³

et al. 2022

Front. Mater.

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During the thermal recovery of heavy oil thermal recovery wells, improving the mechanical properties and integrity of the cement ring is of great significance for the safe and efficient exploitation of heavy oil resources. This paper studies the relative properties of calcium aluminate cement and three kinds of slags under the conditions of 50°C × 1.01 MPa and 315°C × 20.7 MPa. CAC-slag composite material performance was evaluated using the cement paste compressive strength and permeability tests to study the physical properties of CAC with blast furnace slag. X-ray diffraction analysis, scanning electron microscopy (SEM), and thermal analysis (DSC/TG) were carried out to investigate the mineralogical composition of CAC with blast furnace slag. Results show that adding blast furnace slag did not affect the performance of cement slurry. Moreover, C2ASH8 curing occurred at low temperature, the microstructure of CAC paste was compact, and the permeability resistance was improved, thus improving the low-temperature properties of neat CAC. When cured at a high temperature, the CAC paste was mainly hydrated with C3ASH4 and AlO(OH), which had a well-developed crystal structure. Adding blast furnace slag can improve the CAC resistance to high temperature.

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The macroscopic and microscopic analysis on the performance of steam foams during thermal recovery in heavy oil reservoirs

Cited by 56 publications

References 27 publications

Multi-Component Thermal Fluid Injection Performance in Recovery of Heavy Oil Reservoirs

Multi-Component Thermal Fluid Injection Performance in Recovery of Heavy Oil Reservoirs

The Research of Vapor Phase Front Migration Rules in Steam Assisted Gravity Drainage

Improvement of Calcium Aluminate Cement Containing Blast Furnace Slag at 50°C and 315°C

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