Abstract: Incremental Oil Recovery in Heavy Oil Fields through Active Flow Control Devices; #90243 (2015)

Victor Huerta and P. Zegarra

Search and Discovery.com

... breakthrough to the well while reducing relative permeability to oil and oil rates. Formation permeability variations throughout toe to heel borehole...

Mississippian/Devonian Bakken (Middle Member Dolomite) Horizontal Drilling Play - Williston Basin - Richland County, Montana, by Telfer, Matthew J.1, Russell A. Wheeler; #90030(2004)

Search and Discovery.com

Optimizing Lateral Completions When Limited or No Log Data Is Available.

Bill Scanlan

Unconventional Resources Technology Conference (URTEC)

... well than its initial performance indicated. They had some vertical data near the heel of the well from a pilot well and the petrophysical outputs...

Integration of Microseismic With Rock Properties From Multi-Component Seismic Data, Mississippi Lime Play, North-Central Oklahoma

Scott W. Singleton, Shihong Chi, Crystal Lapaire, Lisa Sanford, Paul Constance

Unconventional Resources Technology Conference (URTEC)

.... These rock property variations cause an observable change in the characteristics and distribution of microseismic event clusters, with the heel having...

Microseismic at HFTS2: A Story of Three Stimulated Wells

Vladimir Grechka, Bo Howell, Zhao Li, Denise Furtado, Collin Straus

Unconventional Resources Technology Conference (URTEC)

.... This behavior changes dramatically after the treatment passes the Bitterroot section at the toe, and the heel stages in 1H showed tight microseismic grouping...

Case Studies: Fault Identification Using Borehole Image Log for Mississippian Limestone Horizontal Well Completion Design, #41241 (2013)

Yinghao Chen, Bruce Miller, Charles Wickstrom, Shane Matson

Search and Discovery.com

... bwpd). Case #2: A large fault was identified with the image log in the heel interval, although it did show up well on seismic data. Mud loss occurred...

Modeling Dense-Arrays of Hydraulic Fracture Clusters: Fracture Complexity, Net Pressure and Model Calibration

Varahanaresh Sesetty, Ahmad Ghassemi

Unconventional Resources Technology Conference (URTEC)

... from toe to heel of a well. This means the stage on the heel side (stage-2) of a well is stimulated under the influence of stress shadow from stage-1...

Validation of Fracture Height and Density from Rapid Time-Lapse DAS VSP for use in Calculating Stimulated Rock Volume: A Case Study from Hereford Field, Colorado

T. L. Inks, X. Zhao, M. E. Willis, E. Jenner, B. Burke

Unconventional Resources Technology Conference (URTEC)

..., the baseline survey was chosen to be after stage 23. Figure 5 shows the Niobrara Well B baseline surveys for heel and toe shots in the lateral portion...

Effects of Toe-Up Vs Toe-Down Wellbore Trajectories on Production Performance in the Cana Woodford

Sam Browning, Ram Jayakumar

Unconventional Resources Technology Conference (URTEC)

.... An in-depth integrated analysis of lateral Total Vertical Depth (TVD) change, i.e., the change from the heel to the toe of a horizontal well (toe up vs toe...

Far-Field Proppant Imaging Offsetting Depletion: A STACK Case History

Kyle Haustveit, Mouin Almasoodi, Wadhah Al-Tailji, Souvik Mukherjee, Terry Palisch, Rusty Barber

Unconventional Resources Technology Conference (URTEC)

... (Schwarzbach 2013). In this study, the modeling suggested a downhole current source electrode be deployed near the heel of the two target wells, and two...

Analysis of Casing Deformation in Different Unconventional Areas with a Comprehensive Approach in the Study

Brian Espindola, Antonio N. Romero, Maria J. Rodríguez, Romina D. Sosa Luna, Mauro I. Weimann, Rosario D. Velo, Rodrigo A. Escobar, Fernando Suarez, Miguel S. Pucho, Nicolas Gonzalez, Andrea V. Ferrara, Rocío L. Roth

Unconventional Resources Technology Conference (URTEC)

... the vertical, heel and lateral sections. For this reason, an attempt was made to better understand the phenomenon of CD, which motivated numerous studies, both...

Additional Applications on Determining Optimal Lateral Lengths and Trajectories on University Lands Delaware Basin

Yogashri U. Pradhan, Hongjie Xiong

Unconventional Resources Technology Conference (URTEC)

... given time. For each case, wellbore trajectory with a 50 ft vertical section from the heel was modeled in the flow simulator. Table 1 below displays...

Repeat DAS and DTS Production Logs on a Permanent Fiber Optic Cable for Evaluating Production Changes and Interference with Offset Wells

Veronique Mahue, Erick Jimenez, Peter Dawson, Kirk Trujillo, Robert Hull

Unconventional Resources Technology Conference (URTEC)

... reaching its peak volumetric flow at the heel. Therefore, where sharp increases are observed in the velocity profile, a higher production rate can...

Optimizing Completion Design to Improve Near-wellbore and Far-field Cluster Efficiency: Leveraging Downhole Data and Calibrated Physics-based Models

Deepen Gala, Piyush Pankaj, Jake Kamps, Jenny Ryu, Nancy Choi, Min Zhang, Mukul M. Sharma

Unconventional Resources Technology Conference (URTEC)

... over pumping time stays uncaptured by imaging technologies. Initial observations of conventional geometric perforation design led to a heel biased...

Analysis of Completion Design Impact on Cluster Efficiency and Pressure-Based Well Communication in HFTS-2 Delaware Basin

Andrea Vissotski, Amit Singh, Peggy Rijken, Richard Reverol

Unconventional Resources Technology Conference (URTEC)

... near-well Distributed Acoustic Sensing (DAS) to quantify cluster efficiency. These studies have shown fluid heel-ward biased and only 60% of clusters...

Towards Quantitative Assessment of 4D DAS Time Shifts for Enhanced Stimulated Rock Volume Characterization

Yesser Haj Nasser

Unconventional Resources Technology Conference (URTEC)

... or close). Fifth, we run a sensitivity analysis on the monitoring seismic source placement by considering different scenarios of toe-to-source and heel...

A Geomechanical Study of Refracturing Based on Microseismic Observations - Case Study of Haynesville and Eagle Ford Wells

Alireza Agharazi, Sudhendu Kashikar

Unconventional Resources Technology Conference (URTEC)

... of depleted horizontal wells frequently shows a concentration of microseismic activity at the heel area when no mechanical isolation is used. This observation...

Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array

Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk

Unconventional Resources Technology Conference (URTEC)

... the Wolfcamp formation in the Midland Basin, Texas. Using two vibroseis source locations offset about 1 mile from the heel and toe of the well, DAS...

Late Pennsylvanian and Early Permian Structural Geology and Tectonic History of the Paradox Basin and Uncompahgre Uplift, Colorado and Utah

Charles F. Kluth, Harvey R. DuChene

Rocky Mountain Association of Geologists

... is sometimes referred to as a ‘heel-toe’ geometry in the Gulf Coast (Fig. 4). First the heel forms as the sediment is deposited near the first salt wall...

Experimental Investigation of Proppant Placement in Multiple Perforation Clusters for Horizontal Fracturing Applications

Faraj Ahmad, Jennifer Miskimins, Xinghui Liu, Amit Singh, Jiehao Wang

Unconventional Resources Technology Conference (URTEC)

... greater influence on proppant distribution among all clusters, particularly for perforations in clusters toward the heel. This is because larger proppant...

What Broke? Microseismic analysis using seismic derived rock properties and structural attributes in the Eagle Ford play

Robert Meek, Bailo Suliman, Robert Hull, Hector Bello, Doug Portis

Unconventional Resources Technology Conference (URTEC)

... of the well the microseismic events grow down into the Buda Formation and up into the Austin Chalk. Near the heel of the well the microseismic events...

Hybrid Expandable Liner System: A Performance-enhancing, Cost-effective Alternative to Bullhead Refracturing

Kevin Eichinger, Sam French, Ken Day, Jared Brady, Ryan Epperson, Richard Leonard, Brad Leonard

Unconventional Resources Technology Conference (URTEC)

..., expandable patches were installed across the two heel-most perforation clusters in the refrac well. The first refracturing stage was a bullhead-style treatment...

Abstract: Exploiting the Natural Variation in Fluid Properties in Heavy Oil and Oil Sands reservoirs: Geochemical Fingerprinting Supporting well Placement; #90174 (2014)

Barry Bennett and Magda Ciulavu

Search and Discovery.com

... as viscosity). The concentrations of the MDBTs from the second horizontal well were in the range 95 to 54 µg/g bitumen from heel to toe, showing an overall...

Abstract: 4D Study of Secondary Recovery Utilizing THAI® from a Saskatchewan Heavy Oil Reservoir; #90174 (2014)

Kurt Wikel and Rob Kendall

Search and Discovery.com

... and Resources utilizes Toe to Heel Air Injection (THAI®), a patented in-situ combustion technology, to recover large amounts of the remaining resource while...

Abstracts: Time-Lapse Seismic: A Multidisciplinary Tool for Reservoir Management on Snorre, Norwegian Continental Shelf; #90173 (2015)

Cedric Fayemendy and Mona Andersen

Search and Discovery.com

... 2001-2002. This generated a small brightening response around the heel of the well as seen in the left 4D map in Figure 4 (1997-2001). In 2004 a separate gas...