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Keywords: hydraulic fracturing
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Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168987-MS
... with much less computational time and lower cost. In order to prove stress dependent permeability and develop a model, first a three dimensional hydraulic fracture model is constructed based on wire-line logs and mini-frac tests, then the resulting fracture geometry and conductivity are used as input...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168966-MS
... Abstract Handling flow through fractured media is critical for transient pressure and flow analysis in shale gas reservoirs, because gas production from such low-permeability formations relies on fractures, from hydraulic fractures and fracture network to various-scaled natural fractures, to...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168982-MS
... in the hydraulic fractures. The primary drive mechanism at the onset of flowback is initial free gas expansion within the fracture network. Secondary drive mechanisms considered include fracture water expansion and fracture closure. The driving forces are modeled by an effective compressibility term...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168988-MS
... written as (27) p w s D ( t L f D ) = p w s D ( 0 ) C b c D ∂ p b c D ( t L f D ) ∂ t L f D , which is a slug-test solution for a hydraulically fractured well with constant before-closure storage where the before...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168977-MS
... gas and light oil. flow in porous media Upstream Oil & Gas fracture conductivity optimum fracture perforation Scenario Modeling & Simulation PVT measurement correlation staggered perforation Mayerhofer unconventional reservoir hydraulic fracturing fracture overlap...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168967-MS
... Abstract Hydraulic fracturing combined with horizontal drilling has been the technology that makes it possible to economically produce natural gas from unconventional shale gas reservoirs. For best performance of fracturing stimulation, hydraulic fracturing designing parameters, such as...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168992-MS
..., Wolfcamp, Spraberry, Strawn, Cline, Atoka, and Mississipian formations, which are usually found between 6000 feet and 11,500 feet true vertical depth (TVD). Development is typically with vertical wells, which are stimulated with multiple hydraulic fractures targeting the expected pay intervals and are...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168997-MS
... unconventional reservoir wellbore permeability hydraulic fracturing diffusive time Unconventional resources such as shale gas provide a significant share of the energy supply in the US and the world energy market ( Holdich, 2010 ). The advent and growth of the development of these resources have been...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168973-MS
... investment ( Wood Mackenzie 2012 ). Development typically consists of horizontal wells stimulated with multiple hydraulic fracture stages. Almost $30 billion will be spent developing the play in 2013, and optimizing the completion design and spacing of these wells can result in large rewards for the...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168978-MS
... multivariate regression analysis multiplier fracture stage hydraulic fracturing inflow performance intercept 0 completion parameter equation best model Standard Deviation well performance coefficient unconventional reservoir multistage fracturing society of petroleum engineers In SPE...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168975-MS
... become a key, perhaps even the singular, parameter used in selection of proppant for hydraulic fracture stimulation operations. The API Recommended Practice 19C (RP19C)—which is identical to the ISO13503-2 standard 1 — lays out procedures intended to produce repeatable results. However, repeated...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168976-MS
... Abstract Induced fracture complexity maximization, in addition to the primary hydraulic fracture, to improve the recovery efficiency or productivity of gas or liquids in unconventional reservoirs has been accepted and fully implemented by the industry. As a result, stimulation fluids and/or...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168995-MS
... behavior is not very well understood. Distributed temperature sensing (DTS) technology allows for an estimation of zonal flow rates in the entire well as a function of time during hydraulic fracturing, as well as during the production phase. In this work, a novel transient thermo-hydraulic model that...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169003-MS
... fracture asymmetry and increase EUR. hydraulic fracturing Reservoir Characterization Simulation modeling reservoir geomechanics pore pressure effective fracture half-length pressure depletion fracture wing asymmetry permeability production model pressure distribution fracture wing parent...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168991-MS
... apertures of newly formed fractures (also referred to as hydraulic fractures) are treated differently than preexisting fractures. E hfres defined as the residual aperture of a newly formed fracture. Hydraulic aperture, e , is set equal to void aperture, E. The aperture of an open, newly formed...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169009-MS
... closure time derived from microfracturing is much shorter than the surface FIT-based closure time; however, microfracturing entails additional rig time. In-situ stresses control the orientation and propagation direction of hydraulic fractures. Microfractures are tensile fractures that open in the...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168996-MS
... trials were performed in unconventional and conventional oil formations. Injection pressures of proppant-laden slurry and proppant-free spacer using the pulsing approach were found to be significantly lower than those applied with conventional hydraulic fracturing treatments, indicating this new method...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169010-MS
... characteristics. shale gas fracturing fluid proppant fracturing materials complex reservoir hydraulic fracturing variation Redistribution reference well degradation composite fluid perforation cluster stress variation perforation lateral length Eagle Ford shale plug diversion pressure...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169004-MS
... estimation of fracture half-length, which is believed to be a primary driver for the performance of shale gas/oil wells. Since linear flow is the main transient flow regime in the early life of a hydraulically-fractured shale gas/oil well, a Rate Normalized Pressure (RNP) versus Square Root of Time plot is...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169017-MS
... upgrading, and it indicates the necessary condition of successful hydrocarbon production from oil shale reservoir. flow in porous media heavy oil upgrading oil shale shale oil Upstream Oil & Gas complex reservoir Reservoir Characterization hydraulic fracturing chemical reaction saturation...

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