Results 121 to 130 of about 2,063,981 (308)

Model order reduction for hydraulic fracturing problems [PDF]

open access: yes, 2017
Hydraulic Fracturing is a technology in petroleum engineering aiming at improving the production of oil and gas wells. Recently, with the technological success of horizontal well drilling and completion, hydraulic fracturing has become an essential part ...
Burcet Rodríguez, Martí
core  

Study on the composite fracture characteristics of filling and reinforcing cracked rock mass after high temperature damage

open access: yesDeep Underground Science and Engineering, EarlyView.
Cement infill shares compressive and shear stresses during loading, while interfacial friction hinders crack propagation and reduces stress concentration, improving the rock's load‐bearing capacity. Failure modes vary with crack inclination. Unfilled specimens show four modes.
Shihao Yuan   +4 more
wiley   +1 more source

Hydraulic Fracturing

open access: yes, 2012
application/pdf; "January 31, 2012."; Presentation before the Kansas Legislature, House Committee on Energy and Utilities, by Doug Louis, Conservation Division Director, Kansas Corporation Commission.Presentation discussing the use of hydraulic ...
Louis, Doug.
core  

Modeling and experimental validation of bolt–grout bond–slip behavior for deep underground excavation support

open access: yesDeep Underground Science and Engineering, EarlyView.
A novel shear‐lag model, validated by pull‐out tests, incorporates a constant bond stress stage to predict the complete load–displacement response of grouted rock bolts, providing a new tool for optimizing anchorage length and material toughness in deep underground engineering. Abstract The stability of rock masses in deep underground excavations, such
Wenhui Bian   +6 more
wiley   +1 more source

Research on Hydraulic Fracturing Technology of Long Boreholes along Strata of High Vast Thick Coal Seam

open access: yesAdvances in Civil Engineering
Gas extraction is a major technique for regional gas regulation and coal and gas comining in China. Assuring effective gas extraction operations is a crucial step in ensuring the supply of energy.
Chenyang Wang   +3 more
doaj   +1 more source

Drilling for oil and gas in New Zealand: environmental oversight and regulation [PDF]

open access: yes, 2014
This report analyses the complex system of laws, agencies, and processes that regulate New Zealand\u27s oil and gas industry. Introduction In part due to the technique of hydraulic fracturing or ‘fracking’, more wells are being drilled in Taranaki and ...
Parliamentary Commissioner for the Environment
core  

Fracture evolution of a thick soft protection layer and the water inrush mechanism in overburden under longwall mining

open access: yesDeep Underground Science and Engineering, EarlyView.
Through shear–tensile creep tests and viscoelastic modeling, the fracture evolution of thick soft protective layers is clarified. Results show thickness‐dependent rheological failure modes that govern four types of roof water inrush, providing a mechanism‐based framework for hazard prediction and control. Abstract In the Jurassic coal‐bearing strata of
Mengnan Liu   +4 more
wiley   +1 more source

Hydraulic fracturing law and practice.

open access: yes, 2020
Few areas of energy development or resource extraction have attracted as much public, academic, and legal attention and controversy in recent years as hydraulic fracturing.

core  

Mechanistic insights across curing regimes for enzymatic and biopolymer‐optimized reinforcement in rock masses

open access: yesDeep Underground Science and Engineering, EarlyView.
This study examines the effects of curing temperature on the mechanical behavior of underground rock masses treated with enzyme‐induced calcite precipitation (EICP) and an innovative biopolymer‐modified EICP (BP‐EICP). Abstract Biocementation is an innovative and sustainable technique for reinforcing weak and weathered rock masses in natural and ...
Mary C. Ngoma, Oladoyin Kolawole
wiley   +1 more source

Contemporary Developments in Hydraulic Fracturing [PDF]

open access: yes
Contemporary Developments in Hydraulic Fracturing focuses on some of the key aspects of hydraulic fracturing operations, which are fundamental to the extraction of geothermal energy as well as the production of unconventional hydrocarbon reservoirs. With

core   +1 more source

Home - About - Disclaimer - Privacy