The role of seismic in unconventional reservoir development
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1 The role of seismic in unconventional reservoir development Mike Perz Director, Technology & Innovation, Multi-client, Onshore February 23, 2018
2 Outline Introduction Seismic s adaptation to the unconventional world Examples of seismic applications Future trends 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 2
3 Outline Introduction Seismic s adaptation to the unconventional world Examples of seismic applications Future trends 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 3
4 This is TGS The worlds largest geoscience data company, known for its asset light multi-client business model Global multi-client data library covering frontier & mature basins Main offices: Oslo and Houston Regional offices: London, Perth, Calgary, Singapore, Mexico City and Rio de Janeiro Mexico Calgary London Oslo ~600 employees Traded on Oslo Stock Exchange, part of OBX Index (25 most liquid shares at the OSE) Market Cap: ~$2.1 billion Houston Rio Singapore Perth Leading global provider of multi-client seismic and geoscience data 2017 TGS-NOPEC Geophysical Company ASA. All rights reserved 4
5 The Multi-client Model The Contract Model : A geophysical services business Client tenders for service Client awards and funds project Client owns data The Multi-client Model: An investment business TGS identifies project opportunity TGS secures customer commitment TGS invests in and controls project TGS Licenses data to multiple clients Exploration Insight Flexibility to select appropriate technology Invest & deliver The right data, in the right place, at the right time 2017 TGS-NOPEC Geophysical Company ASA. All rights reserved 5
6 Core Positions in Four Premier Basins in North America Duvernay SCOOP&STACK Utica Permian - Delaware Cum. production (BOE) Oil In the top 5 North American plays The formation is rich in condensate Advanced Seismic attributes being fully utilized Well understood reservoir dynamics and geological characteristics The second most active US play Acceleration of M&A activity Well positioned with proximity to demand centers Continuous growth of region infrastructure Improving natural gas market Largest petroleum producing basin Structurally and stratigraphically complex Attracted nearly one quarter of global M&A spent TGS-NOPEC Geophysical Company ASA. All rights reserved 6
7 TGS SCOOP/STACK seismic surveys 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 7
8 TGS Permian seismic surveys 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 8
9 Outline Introduction Seismic s adaptation to the unconventional world Examples of seismic applications Future trends 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 9
10 The halcyon days of seismic: Canadian Foothills example 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 10
11 Seismic s adaptation to an unconventional world Dense spatial sampling High vertical and lateral resolution Preservation of amplitudes Preservation of azimuthal signal variation High quality near-surface characterization Effective noise suppression 1000 ft Early 2000 s ==detector ==source Today 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved
12 Seismic s adaptation to an unconventional world Dense spatial sampling High vertical and lateral resolution Preservation of amplitudes Preservation of azimuthal signal variation High quality near-surface characterization Effective noise suppression Meramec thickness Woodford thickness Top Meramec Top Woodford Resolution Meramec: 80 ft Resolution Woodford: 110 ft 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 12
13 Seismic s adaptation to an unconventional world Dense spatial sampling High vertical and lateral resolution Preservation of amplitudes Preservation of azimuthal signal variation High quality near-surface characterization Effective noise suppression 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved
14 Processing snapshot: raw data Blanchard survey in SCOOP/STACK First arrival + reverberatory train Shear arrival + reverberatory train Frequency (Hz) Air blast Guided surface waves== ground roll 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 14
15 Processing snapshot: raw data Blanchard survey in SCOOP/STACK Frequency (Hz) TGS-NOPEC Geophysical Company ASA. All rights reserved 15
16 Processing snapshot: after stage 1 denoise Blanchard survey in SCOOP/STACK Frequency (Hz) Signal 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 16
17 Difference: input minus output Blanchard survey in SCOOP/STACK No visible signal in difference!! Frequency (Hz) TGS-NOPEC Geophysical Company ASA. All rights reserved 17
18 Outline Who are we? Seismic s adaptation to the unconventional world Examples of seismic applications Geosteering Future trends 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 18
19 Seismic and geosteering: Barnett Shale example R. Mott et al., 2015 SEG Annual Mtg TGS-NOPEC Geophysical Company ASA. All rights reserved 19
20 Outline Who are we? Seismic method tidbits Examples of seismic applications Geomechanical property estimation Future trends 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 20
21 Pre-stack inversion of the Blanchard 3D Inversion data Incident angle 0 40 Input pre-stack data Find elastic parameters which minimize misfit between observed and predicted data Elastic parameters (Vp/Vs) x Vp/Vs from well Predicted Observed Misfit z 2017 TGS-NOPEC Geophysical Company ASA. All rights reserved 21
22 Young s Modulus*density with curvature overlay Strong correlation between curvature swarms and high values of Young s Modulus 2017 TGS-NOPEC Geophysical Company ASA. All rights reserved 22
23 Outline Who are we? Seismic method tidbits Examples of seismic applications Fracture (or horizontal stress anisotropy) estimation Future trends 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 23
24 Fracture detection: Eagle Ford example Overlay of V int_fast with production W. Keller et al., 2017 SEG Annual Mtg TGS-NOPEC Geophysical Company ASA. All rights reserved 24
25 Outline Who are we? Seismic method tidbits Important seismic use-cases in unconventionals Future trends 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 25
26 Outline Who are we? Seismic method tidbits Examples of seismic applications Future trends Land pre-stack depth migration Low-frequency acquisition Acquisition via compressive sensing Big data/analytics Detect correlations between seismic attributes and production?? 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 26
27 Setting the stage: Washout Creek 3C3D, Western Canada 24 months production* 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 27 M. Perz et al., 2016 SEG Annual Mtg.
28 Step 1: Generate attribute volumes on Loyal 3D (SCOOP/STACK) Pre-stack PP inversion E* Zp,Zs Vp/Vs *, * Pre-stack joint PP-PS inversion E Zp,Zs Vp/Vs, etc 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 28
29 Step 2: Select wells with production localized to interval-of-interest Meramec Woodford Hunton Base Hunton Use perf data, formation tops from TGS well database 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 29
30 Step 3: Extract average attribute data around wellbore E* 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 30
31 Step 3: Extract average attribute data around wellbore Production data 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 31
32 Step 3: Extract average attribute data around wellbore Detect correlation via artificial intelligence, statistics Where to drill next 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 32
33 Summary Unconventional paradigm imposes some exacting requirements on seismic methods Seismic adds significant value in unconventional E&P Geosteering Geomechanical property estimation (and other elastic parameters) Fracture (stress anisotropy) detection Ongoing innovation and improved communication should help elevate seismic s position in value chain 2018 TGS-NOPEC Geophysical Company ASA. All rights reserved 33
34 Thank you
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