Application and research progress of distributed optical fiber acoustic sensing monitoring for hydraulic fracturing

Sui, Weibo; Liu, RongQuan; Cui, Kai

doi:10.1360/sst-2020-0195

Cited by 8 publications

(5 citation statements)

References 19 publications

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“…Distributed acoustic sensors can record the waveforms emitted from the location of these microseismic events. Using a combination of large-aperture, densely sampled DAS, the P and S waves are collected to the point where the distance, size and location of these events can be estimated to understand fracture extension, direction, and extent [7]. Monitoring with conventional cable VSPs is demanding on the wellbore and is difficult and expensive to re-enter once fracturing has started.…”

Section: Advances In the Application Of Das In Microseismic Monitoringmentioning

confidence: 99%

“…The technical advantages of distributed fiber optic measurements in hydraulic fracturing and production monitoring are summarized as follows [7,8,13,69].…”

Section: Advantages and Limitations Of Distributed Fiber Optic Measur...mentioning

confidence: 99%

“…These can not only detect downhole temperature, vibration, strain, and seismic waves without interfering with the well, but also obtain distributed data information along the length of the borehole, which is widely used in fracture monitoring, production logging and VSP. With the advantages of its low cost, long-time monitoring, high resolution and sensitivity, and high temperature and pressure resistance, distributed fiber optic measurement technology has become one of the important development trends of hydraulic fracturing and production monitoring technology [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

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Research Progress of Applying Distributed Fiber Optic Measurement Technology in Hydraulic Fracturing and Production Monitoring

Wang

2022

Energies

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With the exploration and development of unconventional oil and gas resources, downhole environmental monitoring and data-analysis technologies are becoming more and more important. Distributed fiber optic measurement technology, as a new monitoring technology to obtain accurate data, has a wide range of applications in hydraulic fracturing and production monitoring. It mainly includes: distributed fiber optic temperature sensors (DTSs) to monitor gas lift, identify in-flow fluid types, interpret flow profiles and monitor production enhancement operations; distributed fiber optic acoustic sensors (DASs) to monitor low frequency strain and microseismic and hydraulic fracturing operations; and distributed fiber optic stress sensors (DSSs) to characterize fractures in the near-well area, which have been well applied in the field. This paper describes the current application status of DASs and DSSs in hydraulic fracturing and production monitoring, respectively, from the principle of distributed fiber optic measurement technology. It also points out the limitations of these measurement technologies and the direction of future development. Distributed fiber optic measurement technology has been making technical breakthroughs in recent years, providing strong technical support for the development of unconventional oil and gas resources.

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Section: Advances In the Application Of Das In Microseismic Monitoringmentioning

confidence: 99%

“…The technical advantages of distributed fiber optic measurements in hydraulic fracturing and production monitoring are summarized as follows [7,8,13,69].…”

Section: Advantages and Limitations Of Distributed Fiber Optic Measur...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Research Progress of Applying Distributed Fiber Optic Measurement Technology in Hydraulic Fracturing and Production Monitoring

Wang

2022

Energies

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“…Moreover, the uniformity of artificial fractures formed by multi-stage fracturing in horizontal wells is often poor, with only 1/3 to 1/2 of the perforated clusters being effectively stimulated [8][9][10]. Therefore, improving the accuracy of hydraulic fracturing evaluation has become a critical technology for solving the bottleneck problem of unconventional resource development.…”

Section: Introductionmentioning

confidence: 99%

“…To evaluate the effectiveness of post-fracturing, commonly used methods include micro-seismic imaging, fiber optic monitoring, conductive fracture-imaging technology, and so on [10][11][12][13][14]. Micro-seismic monitoring is a direct measurement method for determining the geometric parameters of fractures.…”

Section: Introductionmentioning

confidence: 99%

Application of Micro-Seismic Monitoring in Post-Fracturing Evaluation of Shale Gas: A Case Study of Well X from Puguang Area, China

et al. 2023

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Multi-stage fracturing of horizontal wells is an indispensable technology to create complex fracture networks, which can unlock production potential and enable commercial productivity for shale gas with low porosity and permeability. Real-time monitoring of fracture networks is essential for adjusting key parameters, mitigating fracturing risks, and achieving optimal fracturing effects. Micro-seismic monitoring technology accurately captures and describes the development of fracture networks by detecting micro-seismic waves generated through rock ruptures, providing valuable insights into the evaluation of post-fracturing. In this study, we first introduced the basic parameters of well X that were obtained by laboratory experiments and logging interpretation, including porosity, gas-bearing properties, mineral composition, rock mechanics, and crustal stress. Then, the hydraulic fracturing scheme was designed on the basis of the geological engineering characteristics of well X. Finally, we conducted a comprehensive analysis of various factors that can affect hydraulic fracturing. This included an examination of the impact of pre-fluid temporary plugging and fracture complexity on the overall effectiveness of the operation. Based on the laboratory experiments and theoretical analysis, the following conclusions can be drawn: (1) fracture size is essentially formed when the fluid strength exceeds 35 m3/m; (2) both preflush with high viscosity and the amount of power sand exceeding 20 cubic meters are conducive to the propagation of fracture height; (3) temporary plugging balls facilitate the balanced propagation of multiple fracture clusters within a stage, whereas temporary plugging particles promote the formation of complex fractures; and (4) geological conditions are a prerequisite for creating a complex network of fractures, and only engineering techniques can facilitate the appropriate enhancement of fracture complexity. This study provides an essential method for the fracturing design of shale gas.

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Exploration and Enlightenment of High Efficiency Stratified Fracturing Technology for Vertical Well Exploration in Qinghai Oilfield

Guiqi-Xie,

Liu,

Wang

et al. 2024

Springer Series in Geomechanics and Geoengineering

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Application and research progress of distributed optical fiber acoustic sensing monitoring for hydraulic fracturing

Cited by 8 publications

References 19 publications

Research Progress of Applying Distributed Fiber Optic Measurement Technology in Hydraulic Fracturing and Production Monitoring

Research Progress of Applying Distributed Fiber Optic Measurement Technology in Hydraulic Fracturing and Production Monitoring

Application of Micro-Seismic Monitoring in Post-Fracturing Evaluation of Shale Gas: A Case Study of Well X from Puguang Area, China

Exploration and Enlightenment of High Efficiency Stratified Fracturing Technology for Vertical Well Exploration in Qinghai Oilfield

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