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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583619
... Two-point ray bending problems in anisotropic elastic media require finding the (non-unique) slowness vectors and the ray (group) velocity magnitudes from a given ray direction at each node of the ray trajectory. In this study, we consider polar anisotropic elastic media (transverse isotropy...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203921-MS
... seismicity with moment magnitude M L >3 in Western Canada ( Ghofrani and Atkinson, 2020 ). Such HF-induced seismicity has been attributed to some site-specific factors, including the proximity to the Precambrian basement and Swan Hills reef edges, total organic carbon (TOC) and shale content, critical...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5536-MS
...-shear Reveals the True Magnitude of Shear Fracture Roughness Effects on Flow Meng Meng, Luke P. Frash, J. William Carey; Nathan J. Welch; Wenfeng Li; Samantha K. Peterson; Los Alamos National Laboratory Copyright 2021, Unconventional Resources Technology Conference (URTeC) DOI 10.15530/urtec-2021-5536...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1202
..., and an empirical relationship is established between the inverted creep parameters. To compute the least principal stress magnitude at depth, we combined gravitational loading, horizontal tectonic stress accumulation at a predefined loading rate via the viscoelastic rheology, and uniformity of the relative stress...
Proceedings Papers

Paper presented at the SPE Europec, December 1–3, 2020
Paper Number: SPE-200612-MS
... concentration. The flow rate and pressure drop were also recorded simultaneously during the injection of the sand. Our results show how the erosion directly affects the Cd value and the subsequent pressure drop near the perforated hole. A clear increase of the Cd magnitude becomes visible only due to a change...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Latin America Unconventional Resources Technology Conference, November 16–18, 2020
Paper Number: URTEC-2020-1522-MS
...1 URTeC: 1522 Vaca Muerta Frac-Hit Occurrence and Magnitude Forecast Methodology Ruth Daurade Magneres *, Martin Castello, Francisco Bertoldi, Martin Griffin. YPF S.A. Copyright 2020, Unconventional Resources Technology Conference (URTeC) DOI 10.15530/urtec-2020-1522 This paper was prepared...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 11–13, 2020
Paper Number: SPE-203731-MS
... drilling fluids and materials criterion horizontal stress minimum horizontal stress equation principal stress in-situ stress magnitude vertical stress society of petroleum engineers Introduction The overburden stress from the continuous deposition of sediments and the tectonic forces...
Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1716
... by which caging could directly control the maximum magnitude of injection induced seismicity. Long term, if caging is ultimately found to be effective for controlling seismicity, we would be able to prevent another Pohang-type damaging induced earthquake event. 1. INTRODUCTION At the ARMA symposium...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30831-MS
... in petroleum oils . J Pet Tech 1990 , 42 , 192 – 200 . OTC-30831-MS Early Kick Detection from Downhole Measurements: A Novel Method for Reducing the Frequency and Magnitude of Loss-of-Well-Control Events Brian Christopher Tost, Oregon State University - NETL; Kelly Rose and Janine Carney, US Dept...
Journal Articles
SPE Res Eval & Eng 23 (01): 045–067.
Paper Number: SPE-181430-PA
Published: 17 February 2020
... reducing uncertainty. Using either framework, operators can quantitatively measure biases—overconfidence, underconfidence, optimism, and pessimism—from lookbacks (comparing actual performance with probabilistic forecasts) and calibration plots. Once aware of the direction and magnitude of biases, operators...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19711-MS
... Transient Analysis (RTA) to Assist Fracturing Technique Selection in Unconventional Wells in Saudi Arabia" URTeC: 377 , Presented at the Unconventional Resources Technology Conference (URTeC) held in Denver, Colorado, USA , 22-24 IPTC-19711-MS Determining the Magnitude of Interference Among...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216796
... ABSTRACT We present a quantitative framework for extending magnitude calculations to microseismic imaging approaches. We show that imaging approaches can overcome certain limitations in more traditional magnitude calculations based on peak motions or those needing sufficient bandwidth to fit...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19231-MS
... test was conducted where the ESD situation is replicated and the actual surge pressure was recorded. This test serves to reaffirm the simulation study and possibly quantify the magnitude of surge pressure experienced in real ESD situations. The mitigation measures of a 20 second pump delay timer...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2992460
... In earthquake seismology, the seismicity magnitude distributions generally follow the well-known Gutenberg-Richter relationship with slope defined by the b-value; yet, observed drops from b?2 to b?1 have been interpreted to indicate fault activation during hydraulic-fracturing completions...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901778-MS
... interpretation. This study from the southern Delaware Basin investigates the sensitivity of horizontal stress magnitude to variations in overburden stress and pore pressure by integrating regional gravity data, bottom-hole temperatures and elastic rock properties in a 3-D mechanical earth model. The integrated...
Journal Articles
SPE Prod & Oper 33 (04): 679–696.
Paper Number: SPE-179153-PA
Published: 18 April 2018
...Abdolnaser Yousefzadeh; Qi Li; Claudio Virues; Roberto Aguilera Summary We analyzed microseismic spatial and temporal distribution, magnitudes, b -values, and treatment data to interpret and explain the observed anomalies in microseismic events recorded during exploitation of shale gas reservoirs...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189820-MS
... important, and can be controlled (in contrast to geological factors, which cannot). In this paper, an empirical study is presented examining correlations between injection rate and volume and induced seismicity events and magnitudes for data compiled for the Montney play in northeastern British Columbia...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17781520
... are introduced in this paper. Here, we introduced a sequential procedure to recover the 3D distributions of susceptibility and estimate the magnetization direction. It firstly asks us to recover the 3D susceptibility distributions through the inversion of the total magnitude anomaly which is calculated from...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13958126
... ABSTRACT Using the seismogenic index model, we derive theoretical frequency-magnitude distributions for different fluid injection operations including both hydraulic stimulation and hydraulic fracturing. We compare the computed distributions to the observed magnitude distributions. We conclude...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181430-MS
... aware of the direction and magnitude of biases, operators have means for eliminating these biases in subsequent forecasts through a combination of internal correction of uncertainty assessments, via training or ongoing feedback, and external correction of forecasts using measurements of bias from...

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