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Keywords: conductivity
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Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168976-MS
... and/or completion strategies have been engineered to maximize induced fracture complexity in many unconventional reservoirs. In typical horizontal completions, induced fracture complexity with sustained conductivity is clearly beneficial for the productivity of nanodarcy (nd) shales, although this might...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168973-MS
... vertical and horizontal wellbores was conducted. Measureable petrophysical, geologic, and engineering attributes were assigned to each individual unit, as well as to the Eagle Ford interval in its entirety. Based on these attributes, property maps were constructed and analyzed using both standard geologic...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168996-MS
... production rate. This rapid decline in the stimulation effect led to studies of gelled fluids, breakers, and propping agents that continue to this day. It is generally accepted that propping agents maintain fracture width and provide fracture conductivity to the well. These agents should be strong enough...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164547-MS
... for enhancing the exploitation of these reservoirs. Recently, the slot-drill (SD) completion technique was proposed as an alternative treatment method in such formations ( Carter 2009 ). This paper documents the results of a comprehensive numerical simulation study conducted to evaluate the production...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-152877-MS
... technology is in the advancement of fracturing fluids and techniques that can help create long and highly conductive fractures and reduce phase trapping at the face of the fracture. Introduction of aqueous based fluids in ultralow permeability sands during hydraulic fracturing decreases the effective gas...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-155614-MS
... unconventional resources. pressure transient testing diagnostic plot fracture half-length pressure transient analysis drillstem/well testing fraction 0 application wattenbarger drillstem testing compressibility psi -day conductivity upstream oil & gas unconventional reservoir reservoir...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-155751-MS
... because of stresses in the rock. As discussed by Cipolla et al, (2009) proppant efficiency and fracture conductivity are important for well productivity and will be further explored here. Abstract Determining the optimal number of wells for infill drilling in an unconventional reservoir...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-155779-MS
... in the Eagle Ford shale from one operator's perspective. It will detail the development from the traditional low conductivity slick water fracture treatments used initially in the play, to the use of higher conductivity hybrid fracture designs. In addition to detailing the theory and workflow of these design...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-142774-MS
... fracture. The upper and lower Bakken rock is slightly ductile shale with low permeability. Good production is dependent on effective "artificial" stimulation and good proppant placement to help ensure effective conductivity throughout the life of the well. A wide variety of stimulation techniques...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-143681-MS
..., including fracture stages and an economics review. In this work, 3D fracture growth and conductivity models were calibrated and optimized using the existing fracture post-job reports of neighboring wells completed in the Eagle Ford reservoir. This workflow could be applied to any low-permeability reservoir...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144120-MS
..., the more crucial the conductivity of the fracture becomes. Because the Haynesville shale is one of the softer shales of North America, it would be expected that the factors impacting conductivity, such as proppant amount, mesh size, proppant type, and proppant concentration, would show an impact...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144076-MS
..., particles small enough to enter the proppant pack but large enough to subsequently plug the pore throat of the proppant pack are detrimental to the proppant pack conductivity. When proppants are crushed and they produce fines that can plug the proppant pack, the porosity of the proppant pack is reduced...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144154-MS
..., and initialized to suit the Barnett case study. The methodology leading to the exhaustive set of history matching solutions is described, and finally results are analyzed. shale gas proxy unsrv spe 144154 complex reservoir cumulative gas production conductivity hydraulic fracturing history recovery...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-144349-MS
... fracture treatments. As the restimulation program evolved, it was recognized that the created fractures were conductivity limited due to the effects of multiphase and non-Darcy flow, reduced proppant concentration and other downhole conditions. This led to the field trial which substituted a light weight...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-145080-MS
... for coalbed methane reservoirs have recently been discussed. hydraulic fracturing Upstream Oil & Gas Modeling & Simulation ugr conductivity fracture permeability Exhibition spe annual technical conference Reservoir Engineer Scenario shale gas reservoir hydraulic fracture property...
Proceedings Papers

Paper presented at the Tight Gas Completions Conference, November 2–3, 2010
Paper Number: SPE-133806-MS
... with the fracture cleanup model provided multiple solutions when matching gas, water, and BHFP. These solutions all fell on a “line-of-solutions” using a special plot of reservoir properties vs. conductive length. Pressure transient analysis (PTA) of the gas rate and BHP during cleanup and buildup provided...
Proceedings Papers

Paper presented at the Tight Gas Completions Conference, November 2–3, 2010
Paper Number: SPE-136338-MS
... show that most fractures have much lower fracture conductivities and much shorter fracture half-lengths than that of the design values. (Analysis methods and short post-fracture producing time prior to a welltest can also contribute to calculation of lower fracture conductivity and shorter fracture...
Proceedings Papers

Paper presented at the Tight Gas Completions Conference, November 2–3, 2010
Paper Number: SPE-136183-MS
...-hydrocarbon production require the need for a different completion strategy. Swelling formation clays and proppant embedment were formation issues to consider along with the multiphase hydrocarbon production. Higher conductivity fractures would be required, but various unknowns existed: How many frac...
Proceedings Papers

Paper presented at the Tight Gas Completions Conference, November 2–3, 2010
Paper Number: SPE-136801-MS
... require man-made ceramics to deliver sufficient fracture conductivity under these extreme conditions. An alternative technology was applied in an Eagle Ford shale completion that provided an economic solution when man-made proppants were not available. An on-the-fly Surface Modifying Agent (SMA...
Proceedings Papers

Paper presented at the Tight Gas Completions Conference, November 2–3, 2010
Paper Number: SPE-137126-MS
... proppants, fluid types and design schedules were analyzed to quantify the impact of these designs on productive fracture half-lengths and conductivity. Calibrated fracture propagation models were also utilized to relate these productive properties (fracture length, conductivity and permeability) to stress...

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