Reservoir simulation and optimization of Huff-and-Puff operations in the Bakken Shale

Sanchez-Rivera, Daniel; Mohanty, Kishore K.; Balhoff, Matthew T.

doi:10.1016/j.fuel.2014.12.062

Cited by 137 publications

(53 citation statements)

References 13 publications

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“…Waterflooding is not expected to be a viable option to improve shale oil recovery because of poor injectivity. In contrast, CO 2 huff-n-puff recovery, as confirmed by both experimental and numerical studies, exhibits great potential to significantly enhance the recovery performance in shales [29,30]. Another merit of injecting CO 2 into tight shales lies in its gigantic storage capacity to mitigate carbon emission.…”

Section: Introductionmentioning

confidence: 80%

“…Fundamental understanding of the transport properties of scCO 2 through carbon-based nanopores not only is of prime significance for addressing some basic issues in interface science and thermodynamics, but also offers promising applications in the effective exploitation of shale resources and the mitigation of greenhouse gas emission [29][30][31]. Despite breakthroughs in the flow mechanism of gas/liquid through CNTs, the nature of supercritical fluid undergoing a pressure gradient is still ambiguous, as was mentioned in the introduction.…”

Section: Supercritical Carbon Dioxide Flow Through Organic Nanopores mentioning

confidence: 99%

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Fast mass transport of oil and supercritical carbon dioxide through organic nanopores in shale

Wang

Javadpour

Feng

2016

Fuel

235

138

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Section: Introductionmentioning

confidence: 80%

Section: Supercritical Carbon Dioxide Flow Through Organic Nanopores mentioning

confidence: 99%

Fast mass transport of oil and supercritical carbon dioxide through organic nanopores in shale

Wang

Javadpour

Feng

2016

Fuel

235

138

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“…Sanchez-Rivera et al . 7 used a compositional reservoir simulator (CMG GEM) to study different design components of the huff and puff process to identify the parameters having the largest impact on the recovery of oil, and to understand the reservoir’s response to cyclical gas injection. Yang et al .…”

Section: Introductionmentioning

confidence: 99%

Flow behavior of N2 huff and puff process for enhanced oil recovery in tight oil reservoirs

et al. 2017

Sci Rep

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In the present work, the potential of N2 huff and puff process to enhance the recovery of tight oil reservoir was evaluated. N2 huff and puff experiments were performed in micromodels and cores to investigate the flow behaviors of different cycles. The results showed that, in the first cycle, N2 was dispersed in the oil, forming the foamy oil flow. In the second cycle, the dispersed gas bubbles gradually coalesced into the continuous gas phase. In the third cycle, N2 was produced in the form of continuous gas phase. The results from the coreflood tests showed that, the primary recovery was only 5.32%, while the recoveries for the three N2 huff and puff cycles were 15.1%, 8.53% and 3.22%, respectively.The recovery and the pressure gradient in the first cycle were high. With the increase of huff and puff cycles, and the oil recovery and the pressure gradient rapidly decreased. The oil recovery of N2 huff and puff has been found to increase as the N2 injection pressure and the soaking time increased. These results showed that, the properly designed and controlled N2 huff and puff process can lead to enhanced recovery of tight oil reservoirs.

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“…Typically, CO 2 Huff-and-Puff process is implemented through cyclic CO 2 injection into a single well that followed by a shut-in period for soaking, then the well is returned to the production. In tight oil reservoirs, although CO 2 flooding has an excellent microscopic displacement efficiency when miscibility is achieved, poor sweep efficiency may be obtained because of the channeling of CO 2 through high-permeability fracture networks between the adjacent horizontal wells (Sanchez-Rivera, Mohanty, & Balhoff, 2015). Therefore, the CO 2 Huff-and-Puff process seems to be a more favorable approach for these reservoirs which have both complex highpermeability fracture networks and ultra-low permeability matrix.…”

Section: Introductionmentioning

confidence: 99%

Simulation and Optimization of CO2 Huff-and-Puff Processes in Tight Oil Reservoirs

Kong

Wang

Chen

2016

SPE Improved Oil Recovery Conference

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As one of the unconventional resources, tight oil has become one of the most important contributor of oil reserves and production growth. The successful commercial production of tight oil is mainly reliant on the advancement in horizontal drilling and multistage hydraulic fracturing technique. Development of tight oil reservoirs remains in an early stage. Primary oil recovery factor in these reservoirs is very low, leaving substantial volume of oil trapped underground due to the low porosity, low permeability characteristic of tight oil reservoirs. Thus, investigation of enhanced oil recovery methods is more than imperative in tight oil reservoirs. CO 2 Huff-and-Puff technology has been effectively applied in conventional reservoirs and can be tailored to adapt for the characteristics of tight oil reservoirs.In this study, the performance of water flooding in tight oil reservoir is studied and compared with that of the CO 2 Huff-and-Puff process. Sensitivity analysis demonstrates that the performance of CO 2 Huff-and-Puff is more sensitive to the length of gas injection and production step in each cycle, compared to the soaking time. The CO 2 Huff-and-Puff process is optimized and an adaptive CO 2 Huff-and-Puff process is conducted for tight oil reservoirs after primary production. Simulation results show that the adaptive cycle length CO 2 Huff-and-Puff process can improve the incremental oil recovery by 11.1% over a fixed cycle length process. Finally, the inter-well interference during CO 2 Huff-and-Puff is studied, and it is found that a multi-well asynchronous CO 2 Huff-and-Puff pattern can improve the incremental oil recovery by 31.6% over that of a synchronous pattern.

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Reservoir simulation and optimization of Huff-and-Puff operations in the Bakken Shale

Cited by 137 publications

References 13 publications

Fast mass transport of oil and supercritical carbon dioxide through organic nanopores in shale

Fast mass transport of oil and supercritical carbon dioxide through organic nanopores in shale

Flow behavior of N2 huff and puff process for enhanced oil recovery in tight oil reservoirs

Simulation and Optimization of CO2 Huff-and-Puff Processes in Tight Oil Reservoirs

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