Artificial Lift System Applications in Tight Formations: The State of Knowledge

Kolawole, Oladoyin; Gamadi, Talal; Bullard, Denny B.

doi:10.2118/196592-pa

Cited by 13 publications

(4 citation statements)

References 43 publications

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“…However, until recently, shale oil wells still suffered from short-term production life during the primary depletion period, because of the ultrasmall pore throat . Up to 80% of the shale oil production rate has been detected to decrease in one year . Infill drilling was another existing practice used to develop tight oil reservoirs and promote short increments in shale oil production; nevertheless, the high oil rate of new wells was not comparable to that of the previous wells.…”

Section: Introductionmentioning

confidence: 99%

“…12 Up to 80% of the shale oil production rate has been detected to decrease in one year. 13 Infill drilling was another existing practice used to develop tight oil reservoirs and promote short increments in shale oil production; nevertheless, the high oil rate of new wells was not comparable to that of the previous wells. The price of drilling additional wells with long lateral length is very high, and more importantly, the limited drainage radius of these wells require that they be frequently refracked, leading to increased environmental concerns.…”

Section: Introductionmentioning

confidence: 99%

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

et al. 2021

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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”.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

et al. 2021

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“…To achieve this goal, many technologies have been proposed. Among these technologies, the most popular one is artificial lift technology [96]. One of the mostly adopted artificial lift technology is SRPS, which are viewed as a wellestablished technology in the oil and gas industry [97].…”

Section: Fault Diagnosis For Sucker Rod Pumping Systems In Parallel O...mentioning

confidence: 99%

Metaverses-Based Parallel Oil Fields in CPSS: A Framework and Methodology

Wang

Cheng

et al. 2023

IEEE Trans. Syst. Man Cybern, Syst.

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Aiming to provide a novel paradigm of oil fields, metaverses-based parallel oil fields are proposed in this article. Compared with the existing smart/intelligent oil fields in cyber-physical systems (CPS), parallel oil fields can take human factors into full consideration and expand the operation space to cyber-physical-social systems (CPSS), which can be regarded as the abstract and scientific explanation of metaverses. In the proposed parallel oil fields, there are three kinds of workers (human workers, digital workers, and robotic workers) coordinating to construct a more reliable and intelligent oil field. Furthermore, the framework and methodology of parallel oil fields are illustrated by parallel systems and the artificial systems, computational experiments, and parallel executions (ACP) approach. Based on the proposed framework, parallel oil fields are capable of generating a more trustworthy artificial system and guaranteeing the realization of the 6S (safety, security, sustainability, sensitivity, service, and smartness) goal. Finally, based on dynamometer cards, fault diagnosis of sucker rod pumping systems (SRPS) is investigated in parallel oil fields.

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“…A decrease in reservoir pressure triggers multiphase flow in a well when the pressure falls below the bubble point. Thus, the application of the ESP in a horizontal well remains a critical issue since the presence of the free gas impedes its boosting pressure [9].…”

Section: Introductionmentioning

confidence: 99%

A Nodal Analysis Based Monitoring of an Electric Submersible Pump Operation in Multiphase Flow

et al. 2022

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Electrical submersible pump (ESP) operation is compromised by free gas, resulting in premature pump failure and production losses in new wells. It is essential to detect the onset of abnormal operations. We develop a model that predicts abnormal ESP operation when the free gas level increases in the pump. The model compares operation parameters with the parameters of normal operating ranges; it shuts down the ESP when necessary. We used a Schlumberger PIPESIM software (version 2017.01) to perform nodal analysis technique; we tested the model using the other multiphase correlation model and field case studies (where the gas problem in ESP was reported). We employ a homogenous model to calculate the differential pump pressures at various gas volume fractions. Nodal analysis of the intake and discharge point predicted the commencement of abnormal ESP conditions and the associated parameters (critical gas fraction, minimum operating pump intake pressure, and pump discharge pressure). The model results were similar to other surging correlation models (e.g., Romero, Dunbar, Turpin, Cirilo, and Zhou models); they were also identical to field case studies. We identify three performance stability phases when an ESP is exposed to free gas. These are the normal and abnormal operating ranges, as well as the ESP shutdown condition. Modeling permits careful monitoring of ESP operations that can be compromised by free gas.

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Artificial Lift System Applications in Tight Formations: The State of Knowledge

Cited by 13 publications

References 43 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

Metaverses-Based Parallel Oil Fields in CPSS: A Framework and Methodology

A Nodal Analysis Based Monitoring of an Electric Submersible Pump Operation in Multiphase Flow

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