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1. WO2018067120 - GEOSTATISTICAL ANALYSIS OF MICROSEISMIC DATA IN FRACTURE MODELING

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Publication Number WO/2018/067120
Publication Date 12.04.2018
International Application No. PCT/US2016/055291
International Filing Date 04.10.2016
IPC
E21B 47/00 2006.1
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
47Survey of boreholes or wells
G01V 1/40 2006.1
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
40specially adapted for well-logging
G01V 1/50 2006.1
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
40specially adapted for well-logging
44using generators and receivers in the same well
48Processing data
50Analysing data
CPC
E21B 43/16
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
16Enhanced recovery methods for obtaining hydrocarbons
E21B 43/26
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
43Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
25Methods for stimulating production
26by forming crevices or fractures
G01V 1/16
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
G01V 1/288
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
28Processing seismic data, e.g. analysis, for interpretation, for correction
288Event detection in seismic signals, e.g. microseismics
G01V 1/301
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
28Processing seismic data, e.g. analysis, for interpretation, for correction
30Analysis
301for determining seismic cross-sections or geostructures
G01V 1/40
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
40specially adapted for well-logging
Applicants
  • LANDMARK GRAPHICS CORPORATION [US]/[US]
Inventors
  • YARUS, Jeffrey Marc
  • DEV, Ashwani
  • FEI, Jin
  • SMITH, Trace Boone
Agents
  • KAISER, Iona
  • JORDAN, Carey
Priority Data
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) GEOSTATISTICAL ANALYSIS OF MICROSEISMIC DATA IN FRACTURE MODELING
(FR) ANALYSE GÉOSTATISTIQUE DE DONNÉES MICROSISMIQUES DANS UNE MODÉLISATION DE FRACTURE
front page image
Abstract
(EN) A method may comprise: modeling a complex fracture network within the subterranean formation with a mathematical model based on a natural fracture network map and measured data of the subterranean formation collected in association with a fracturing treatment of the subterranean formation to produce a complex fracture network map; importing microseismic data collected in association with the fracturing treatment of the subterranean formation into the mathematical model; identifying directions of continuity in the microseismic data via a geostatistical analysis that is part of the mathematical model; and correlating the directions of continuity in the microseismic data to the complex fracture network with the mathematical model to produce a microseismic-weighted (MSW) complex fracture network map.
(FR) L'invention concerne un procédé qui peut consister : à modéliser un réseau de fractures complexes à l'intérieur de la formation souterraine à l'aide d'un modèle mathématique sur la base d'une carte de réseau de fractures naturelles et de données mesurées de la formation souterraine collectées en association avec un traitement de fracturation de la formation souterraine pour produire une carte de réseau de fractures complexes ; à importer des données microsismiques collectées en association avec le traitement de fracturation de la formation souterraine dans le modèle mathématique ; à trouver des directions de continuité dans les données microsismiques par l'intermédiaire d'une analyse géostatistique qui fait partie du modèle mathématique ; et à corréler les directions de continuité dans les données microsismiques au réseau de fractures complexes à l'aide du modèle mathématique pour produire une carte de réseau de fractures complexes à pondération microsismique (MSW).
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