Research Materials (Civil & Environmental Engineering)

2020-05-11

Mohammad Haftani, Omar Kotb, Phuong H. Nguyen, Chenxi Wang, Mahmoud Salimi, Alireza Nouri

Optimum design of the sand control devices in oil sand reservoirs plays a vital role in minimizing the sand production and increasing the reservoir productivity in Steam-Assisted Gravity Drainage (SAGD) operations. Various sand control testing facilities have been developed to evaluate the...

2018-01-01

Chenxi Wang, Yu Pang, Mahdi Mahmoudi, Mohammad Haftani, Mahmoud Salimi, Vahidoddin Fattahpour, Alireza Nouri

Slotted liners have been widely used in steam-assisted gravity drainage (SAGD) wells owing to their low cost and superior mechanical integrity. Multiple factors affect the performance of slotted liners, such as particle size distribution (PSD) of formation sands, aperture size, slot density,...

2018-01-01

Yujia Guo, Morteza Roostaei, Alireza Nouri, Vahiddodin Fattahpour, Mahdi Mahmoudi, Heeseok Jung

Steam Assisted Gravity Drainage (SAGD) is the primary thermal recovery technology currently employed to extract heavy oil and high-viscosity bitumen from Alberta oil sands. In the nearwellbore region, the initial stresses are nearly zero, and as the SAGD chamber grows, the stresses tend to...

2019-11-11

ArianVelayati, Alireza Nouri

Steam assisted gravity drainage (SAGD) is a thermal hydrocarbon recovery method by which extra-heavy oil is produced through steam injection and bitumen heating. The presence of emulsions in the produced fluid has been detected from the very beginning of SAGD deployment. However, this...

2017-01-01

Ehsan Rahmati, Alireza Nouri, Vahidoddin Fattahpour, Japan Trivedi

This paper investigates the effect of anisotropic behavior of caprock shales on the caprock failure pressure in SAGD projects. Shales and mudstones exhibit strong anisotropy at the micro and macro scales. However, the anisotropic behavior has been neglected in the existing published works on...

2017-01-01

Ehsan Rahmati, Alireza Nouri, Vahidoddin Fattahpour, Japan Trivedi

There has been an increasing awareness of the importance of caprock integrity during Steam Assisted Gravity Drainage (SAGD) operations. However, mathematical tools that have been developed for caprock integrity studies have not incorporated an important characteristic of cap shales, which is...

2020-01-21

Chenxi Wang, Jesus D. Montero Pallares, Mohammad Haftani, Alireza Nouri

Punched screen as a stand-alone screen is gaining more and more popularity in Steam Assisted Gravity Drainage (SAGD) operations. However, the literature contains limited studies for proper aperture size selection and the performance of the punched screen. This paper aims at investigating the...