IP Library › Granted Patent US 12,455,395
Granted Patent B2
US 12,455,395 · App. 18/055,198 · Granted Oct 28, 2025

Estimation of hydraulic fracture geometry using deeplook crosswell electromagnetics

Inventors: Shubham Mishra (Lucknow, IN); Vinil Kumar Reddy Mukku (Navi Mumbai, IN); Philippe Enkababian (Abu Dhabi, AE)
Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
G01V11/00E21B49/00E21B47/00E21B49/003E21B2200/20G01V1/306G01V1/40G01V1/50G01V3/38G01V2210/66
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Quick Facts
Patent No.
US 12,455,395
App. No.
18/055,198
Granted
Oct 28, 2025
Kind
B2
Abstract

A method to estimate and model all or at least two parameters of hydraulic fracture geometry in predominantly horizontal or nearly horizontal wells, by use of inter-well electromagnetic recordings. In aspects, resistivity of the fracturing fluid is used in the modeling process.

Claims (31)

1 . A method for estimating hydraulic fracture geometry, the method comprising:

performing a first cross-well electromagnetic survey between a first well and a second well to achieve first results;

performing a hydraulic fracturing in one of the first well and the second well;

performing a flow back in one of the first well and the second well;

performing a second cross-well electromagnetic survey between the first well and the second well to achieve second results;

performing a cross-well electromagnetic interpretation of the second cross-well electromagnetic survey, the performing the cross-well electromagnetic interpretation comprising using a reservoir model;

performing a cross-well electromagnetic calibration on the reservoir model based upon results of the cross-well electromagnetic interpretation;

comparing the first results with the second results to estimate a hydraulic fracture geometry in a two-dimensional plane; and

validating a three-dimensional hydraulic fracturing model with the hydraulic fracture geometry in the two-dimensional plane.

2 . The method according to claim 1 , wherein the hydraulic fracturing is a multi-stage hydraulic fracturing.

3 . The method according to claim 1 , wherein hydraulic fracturing fluid properties are used in the cross-well electromagnetic interpretation.

4 . The method according to claim 1 , wherein the reservoir model is a three-dimensional reservoir model.

5 . The method according to claim 4 , wherein the three-dimensional reservoir model is constructed from at least one well log.

6 . The method according to claim 4 , wherein the three-dimensional reservoir model is constructed from seismic data.

7 . The method according to claim 6 , further comprising performing at least one seismic survey of the reservoir prior to performing hydraulic fracturing.

8 . The method according to claim 6 , wherein the three-dimensional reservoir model is calibrated from a well production history.

9 . The method according to claim 6 , wherein the three-dimensional reservoir model is calibrated from a reservoir injection history.

10 . The method according to claim 1 , wherein the flow back is a hydraulic fracturing fluid flow back.

11 . A method for estimating hydraulic fracture geometry, the method comprising:

obtaining results from a first cross-well electromagnetic survey between a first well and a second well to achieve first results;

performing a hydraulic fracturing in one of the first well and the second well;

obtaining results from a second cross-well electromagnetic survey between the first well and the second well to achieve second results, the second cross-well electromagnetic survey being conducted after the performing the hydraulic fracturing in one of the first well and the second well;

performing a cross-well electromagnetic interpretation of the second cross-well electromagnetic survey, the performing the cross-well electromagnetic interpretation comprising using a reservoir model;

performing a cross-well electromagnetic calibration on the reservoir model based upon results of the cross-well electromagnetic interpretation;

comparing the first results with the second results to estimate a hydraulic fracture geometry in a two-dimensional plane; and

validating a three-dimensional hydraulic fracturing model with the hydraulic fracture geometry in the two-dimensional plane.

12 . The method according to claim 11 , wherein the hydraulic fracturing is a multi-stage hydraulic fracturing.

13 . The method according to claim 11 , wherein hydraulic fracturing fluid properties are used in the cross-well electromagnetic interpretation.

14 . The method according to claim 11 , wherein the reservoir model is a three-dimensional reservoir model.

15 . The method according to claim 14 , wherein well logs are used in the three-dimensional reservoir model.

16 . The method according to claim 14 , wherein seismic data is used to construct the three-dimensional reservoir model.

Continuity (3)
Continuation 17810674 · Jul 5, 2022
Provisional Application 63218010 · Jul 2, 2021
Related Publication 20230075327A1 · Mar 9, 2023
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