Application of Miscible Ethane Foam for Gas EOR Conformance in Low-Permeability Heterogeneous Harsh Environments

Salman, Mohamad; Kostarelos, Konstantinos; Sharma, Pushpesh; Lee, Jae Ho

doi:10.15530/urtec-2019-1009

Cited by 4 publications

(14 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…CO 2 is much more efficient than CH 4 or N 2 as a solvent. Since CO 2 and natural gas are more readily available in most areas, few studies using C 2 H 6 as the EOR solvent are conducted . Natural gas with a high C 2 + content, on the other hand, is a far more powerful EOR fluid than pure CH 4 , with oil recovery and MMP values that are comparable to CO 2 .…”

Section: Eor Methods In Shale/tight Oil Basinsmentioning

confidence: 99%

“…Since CO 2 and natural gas are more readily available in most areas, few studies using C 2 H 6 as the EOR solvent are conducted. 239 Natural gas with a high C 2 + content, on the other hand, is a far more powerful EOR fluid than pure CH 4 , with oil recovery and MMP values that are comparable to CO 2 . Oil recovery is improved by longer soak times and increasing the number of H-n-P cycles, although increasing the number of injection cycles seems to be the more essential factor.…”

Section: Eor Methods In Shale/tight Oil Basinsmentioning

confidence: 99%

“…A different technique is used for tight/shale cores. The Dean–Stark solvent extraction procedure is used to wash the cores first. ,− , After that, the samples are vacuumed to clear any remaining air or solvent. Occasionally, instead of solvent extraction, samples are simply dried in a vacuum or oven. , The sample is then immersed in high-pressure oil for several weeks to fully saturate the core.…”

Section: Gas-eor Experimental Studiesmentioning

confidence: 99%

“…C 3 H 8 , C 2 H 6 , CO 2 , natural gas, hydrogen, and N 2 are among the fluids that can be used in low-permeability sources (<10 md). C 3 H 8 and C 2 H 6 are exceptional oil solvents, and before dismissing them based on financial value, one should consider whether either (especially C 2 H 6 ) offers the best logistics and economics . Since CO 2 and rich natural gas produce similar, excellent results in the laboratory, the choice of one gas over the other is almost entirely determined by its supply at the desired site.…”

Section: Significant Decisionsmentioning

confidence: 99%

“…The Dean−Stark solvent extraction procedure is used to wash the cores first. 94,[237][238][239]274 After that, the samples are vacuumed to clear any remaining air or solvent. Occasionally, instead of solvent extraction, samples are simply dried in a vacuum or oven.…”

Section: Gas-eor Experimental Studiesmentioning

confidence: 99%

See 4 more Smart Citations

Huff-n-Puff Technology for Enhanced Oil Recovery in Shale/Tight Oil Reservoirs: Progress, Gaps, and Perspectives

et al. 2021

View full text Add to dashboard Cite

In recent times, particularly in the 21st century, there has been an alarming increase in the demand for global energy, along with continuous depletion in conventional oil reservoirs. This necessity has incentivized interested scholars and operators worldwide to seek alternative oil resources. To secure such accelerating energy demand, considerable effort has been directed toward the development of previously unconventional oil formations that, in past decades, had remained sidelined. Although shale oil reservoirs have seen tremendous success over the past decade, the continued challenges of rapidly declining oil flow rates and oil retention in the pores continuously persist. Substantial attempts have been made to improve shale-bypassed oil recovery; however, there is little data about the accessibility on recovery mechanisms, especially in the oil field. Furthermore, approachesparticularly, Huff-n-Puff (H-n-P) experiments using conventional proceduresfail to properly represent field conditions and they generate deceptive findings, because the utilized cores are not simulated under realistic reservoir conditions, leaving the significance of critical factors unclear. Therefore, this review study comprehensively and specifically discusses the feasibility of enhanced oil recovery (EOR) methods in unconventional oil reservoirs. Beside addressing the validity of the currently applied H-n-P technology in shale/tight oil reservoirs and underlining some critical gaps regarding laboratory results, modified technology is proposed in this paper for a better field future performance. The study is divided into sections, and each section analyzes the role of one specific H-n-P portion in detail, such as preferable injected solvents, their mechanisms, and critical factors affecting H-n-P recovery. The exceptions to this are the first and second sections, which provide a brief introduction about shale and tight oil reservoirs, a history of applied technology, and the method’s current problem statement. In the Introduction section, the authors will justify why this Review fills a critical gap in the field. Within the assessment study, great focus is given to the H-n-P technique, its parameters, and effective processes. In the final sections, carefully chosen experimental results and tools are reviewed to highlight the controversy and state “the gap”.

show abstract

Section: Eor Methods In Shale/tight Oil Basinsmentioning

confidence: 99%

Section: Eor Methods In Shale/tight Oil Basinsmentioning

confidence: 99%

Section: Gas-eor Experimental Studiesmentioning

confidence: 99%

Section: Significant Decisionsmentioning

confidence: 99%

Section: Gas-eor Experimental Studiesmentioning

confidence: 99%

See 3 more Smart Citations

Huff-n-Puff Technology for Enhanced Oil Recovery in Shale/Tight Oil Reservoirs: Progress, Gaps, and Perspectives

et al. 2021

View full text Add to dashboard Cite

show abstract

A comprehensive review of the chemical-based conformance control methods in oil reservoirs

Sagbana

Abushaikha

2021

J Petrol Explor Prod Technol

View full text Add to dashboard Cite

The production of excess water during oil recovery creates not only a major technical problem but also an environmental and cost impact. This increasing problem has forced oil companies to reconsider methods that promote an increase in oil recovery and a decrease in water production. Many techniques have been applied over the years to reduce water cut, with the application of chemicals being one of them. Chemicals such as polymer gels have been widely and successfully implemented in several oil fields for conformance control. In recent years, the application of foam and emulsions for enhanced oil recovery projects has been investigated and implemented in oil fields, but studies have shown that they can equally act as conformance control agents with very promising results. In this paper, we present a comprehensive review of the application of polymer gel, foam and emulsion for conformance control. Various aspects of these chemical-based conformance control methods such as the mechanisms, properties, applications, experimental and numerical studies and the parameters that affect the successful field application of these methods have been discussed in this paper. Including the recent advances in chemical-based conformance control agents has also been highlighted in this paper.

show abstract

Immiscible foam displacement in low-permeability formations: A numerical study for screening potential reservoirs

Sherratt,

Sharifi Haddad,

Rafati

2024

Chemical Engineering Research and Design

View full text Add to dashboard Cite

Application of Miscible Ethane Foam for Gas EOR Conformance in Low-Permeability Heterogeneous Harsh Environments

Cited by 4 publications

References 0 publications

Huff-n-Puff Technology for Enhanced Oil Recovery in Shale/Tight Oil Reservoirs: Progress, Gaps, and Perspectives

Huff-n-Puff Technology for Enhanced Oil Recovery in Shale/Tight Oil Reservoirs: Progress, Gaps, and Perspectives

A comprehensive review of the chemical-based conformance control methods in oil reservoirs

Immiscible foam displacement in low-permeability formations: A numerical study for screening potential reservoirs

Contact Info

Product

Resources

About