Hydraulic fracturing is a technique in which large volumes of water and sand, and small volumes of chemical additives are injected into low-permeability subsurface formations to increase oil or natural gas flow. The injection pressure of the pumped fluid creates fractures that enhance gas and fluid flow, and the sand or other coarse material ...Web

Pulsating hydraulic fracturing (PHF) is an effective stimulation technology that has attracted attention in the past years. To obtain the ideal fracturing effect, it is necessary to understand the response characteristics of the rock under pulsating pressure. However, the current mathematical models are unable to simulate the fatigue …Web

In combination with horizontal drilling and other technological advances, hydraulic fracturing has allowed for the extraction of large, previously …Web

Basically, hydraulic fracturing involves injecting large volumes of water, sand, and chemicals into a drilled well at high pressure to produce an array of fractures primarily in shale formations at specific points to allow enhanced recovery of oil and gas. The sand or "proppant" is driven into these fractures to brace them open.Web

Simply speaking, hydraulic fracturing is a process to fracture underground rocks by injecting pressurized fluid into the formation, for which a schematic illustration is given in Fig. 1.With respect to the underlying physics, hydraulic fracturing involves three basic processes: (1) deformation of rocks around the fracture; (2) fluid flow in the …Web

Hydraulic fracturing has been widely applied to stimulate the natural gas and oil production from unconventional reservoirs. To optimize the design of hydraulic fracturing in this application, an accurate estimation of the initiation and propagation of hydraulic fractures is indispensable. However, it still remains challenging as a result of the complex stress …Web

Hydraulic fracturing technology has gone through significant developments via continuous advances and method improvements in its application. These advances and improvements have brought hydraulic fracturing to new heights and new geographies in the oil and gas industry having contributed significantly to the reduction in the …Web

The Hydraulic Fracture Test Site (HFTS) is a field-based hydraulic fracturing research experiment performed in the West Texas Permian (Midland) Basin. The HFTS includes $25 million of hydraulic fracturing research that is centralized around eleven horizontal wells fractured with over 400 stages in the Upper and Middle Wolfcamp …Web

Hydraulic fracturing is a well-stimulation technique used commonly in low-permeability rocks like tight sandstone, shale, and some coal beds to increase oil and/or gas flow to a well from petroleum-bearing rock …Web

The Defining Series: Elements of Hydraulic Fracturing. Published: 09/09/2015. A well's ability to produce hydrocarbons or receive injection fluids is limited by the reservoir's natural permeability and near-wellbore changes resulting from drilling or other operations. Hydraulic fracturing, also known as hydraulic stimulation, improves ...Web

For hydraulic fracturing treatments, the formation of field-scale FNs is a progressive growth process from local to full domain, where the fracture initiation path under the core-plunger scale plays a decisive role. On account of this, the macroscopic morphology of HFs near-wellbore and its interaction with bedding planes are discussed. ...Web

Hydraulic fracturing is a key technology in unconventional reservoir production, yet many simulators only consider the single-phase flow of shale gas, ignoring the two-phase flow process caused by the retained fracturing fluid in the early stage of production. In this study, a three-dimensional fluid–gas–solid coupling reservoir model is …Web

Hydraulic fracturing is a necessary technique for shale gas exploitation. In order to have efficient stimulation treatment, a complex fracture network has to be developed, whereas with rich bedding planes and natural fractures, the mechanism of forming a fracture network is not fully understood and it is so tricky to predict …Web

Hydraulic fracturing is a particularly environmentally damaging form of extraction, requiring huge quantities of water and sand, releasing toxic chemicals into the groundwater and air, and fragmenting and disturbing landscapes (Kreipl and Kreipl, 2017; Gallegos, 2015; Lave & Lutz, 2014). Yet capitalist logic would seem to endorse this form …Web

and comprehensive overview of hydraulic fracturing model-ling techniques. Specically, the review will focus on three aspects: (1) the underlying physical processes involved in hydraulic fracturing; (2) the classical and modern hydrau-lic fracturing models; and (3) commercial simulators for hydraulic fracturing design and evaluation. The remain-Web

Activating closed natural fractures (NFs) in hot dry rock (HDR) reservoirs is a critical way to improve fluid conductivity and stimulate production. However, the current hydraulic fracturing simulation technology is limited in its ability to investigate the interaction mechanism between hydraulic fractures (HFs) and NFs under the …Web

Hydraulic fracturing, commonly known as fracking, is the process of injecting water, sand, and/or chemicals into a well to break up underground bedrock to free up oil or gas reserves. The USGS monitors …Web

The interaction mode of induced fracture and natural fracture plays an important role in prediction of hydraulic fracture propagation. In this paper, a two-dimensional hydromechanical coupled discrete element model is first introduced in the framework of particle flow simulation, which can well take into account mechanical and …Web

Hydraulic fracturing technology is currently the most direct way to improve the production efficiency of oil and gas. Complex fracture network, generated by hydraulic fracturing technology, is recognized as the main flow channel of oil and gas in unconventional reservoirs [[9], [10], [11]].In past decades, many analytical, numerical and …Web

After hydraulic fracturing, the geometric characteristics of rock morphology is a crucial means for evaluating the effectiveness of fracture stimulation in enhancing production. In order to quantitatively analyze the surface undulations of marine and continental shale morphology further following hydraulic fracturing, a method for …Web

The firm's research concluded that fluid end cavitation is the most undiagnosed cause of failure in the hydraulic fracturing sector. Weighing as much as a car and costing between $50,000 and $80,000, fluid ends are where the slurry of water and sand undergoes a rapid pressurization from about 100 psi to 10,000 psi.Web

During hydraulic fracturing, pressurized fluid is injected through a well into a subsurface rock layer in order to open the fractures. Hydraulic fracturing requires large volumes of water mixed with chemicals and proppants …Web

Hydraulic fracturing — commonly known as "fracking" — has led to a boom in U.S. energy production, with a number of benefits. According a 2014 report from the Federal Reserve Bank of Kansas City, …Web

This is particularly true for tight sands, shales and coalbed methane formations. Hydraulic fracturing (aka fracking, which rhymes with cracking) stimulates wells drilled into these formations, making profitable otherwise prohibitively expensive extraction. Within the past decade, the combination of hydraulic fracturing with …Web

The interactions between hydraulic fracture morphology and fluid transport mechanisms after large-scale fracturing in low-permeability carbonate reservoirs are important …Web

Pune, India, Feb. 02, 2023 (GLOBE NEWSWIRE) -- The global hydraulic fracturing market size is projected to touch USD 28.93 billion by 2028, exhibiting a CAGR of 9.5% during the forecast period ...Web

What is Fracking? Fracking is shorthand for hydraulic fracturing, a type of drilling that has been used commercially for 65 years. Today, the combination of advanced hydraulic fracturing and horizontal drilling, employing cutting-edge technologies, is mostly responsible for surging U.S. oil and natural gas production. Hydraulic fracturing …Web

Hydraulic fracturing is a very complex process that has not yet been fully understood. Furthermore, the number of stages, length of fracture clusters in each stage, proppant and fracturing fluid compatibilities, optimum spacing length, proppant transport and placement, proppant and frac-fluid compatibility, and optimum spacing are some of …Web