MULTI-PARAMETER OPTICAL FIBER SENSING FOR RESERVOIR COMPACTION ENGINEERING

• US 20180202283A1
• Filed: 09/02/2015
• Published: 07/19/2018
• Est. Priority Date: 09/02/2015
• Status: Active Grant

• Current Assignee: Halliburton Energy Services Incorporated (Halliburton Company)
• Original Assignee: Halliburton Energy Services Incorporated (Halliburton Company)
• Inventors: Jaaskelainen, Mikko, Walters, Harold Grayson, Dusterhoft, Ronald Glen
• Granted Patent: US 10,794,175 B2
• Time in Patent Office: Days
• CPC Class Codes: E21B 43/16 Enhanced recovery methods for obtaining hydrocarbons
• CPC Class Codes: E21B 43/26 by forming crevices or fractures
• CPC Class Codes: E21B 47/06 Measuring temperature or pressure
• CPC Class Codes: E21B 47/07 Temperature
• CPC Class Codes: E21B 47/135 using light waves, e.g. infrared or ultraviolet waves
• CPC Class Codes: G01V 11/00 Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
• CPC Class Codes: G01V 11/002 Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant means for transmitting well survey signals E21B47/12; signal transmission systems in general G08C; transmission in general H04B

Abstract

A method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi-well hydrocarbon field to continuously update the reservoir model to optimize production efficiency while ensuring well integrity on a field level.

Claims

1. A method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi-well hydrocarbon field to continuously update the reservoir model, comprising:

a. deploying multi-parameter sensing cables downhole in the wells;

b. collecting temperature, strain, acoustic, pressure, and electromagnetic data from the multi-parameter sensing cables;

c. collecting micro-deformation data from tilt meters, and/or global positioning satellite and/or Interferometric Synthetic Aperture Radar (InSAR) satellite data;

d. analyzing the collected data for fluid movement near the wellbores of the wells;

e. using the fluid movement results to update the reservoir compaction and subsidence model;

f. calibrating the reservoir compaction and subsidence model against measured strain data;

g. updating the reservoir compaction and subsidence model to predict subsidence; and

h. updating the production and injection rates in the field to mitigate subsidence as needed.

2. The method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi-well hydrocarbon field to continuously update the reservoir compaction and subsidence model of claim 1 wherein the reservoir compaction and subsidence model including an overall field and well plan is first developed.

3. The method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi-well hydrocarbon field to continuously update the reservoir compaction and subsidence model of claim 2 wherein the planned wells are drilled based on the overall field and well plan.

4. The method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi-well hydrocarbon field to continuously update the reservoir model, of claim 1 wherein the multi-parameter sensing cables comprise multiple fiber optic fibers, each surrounded by fiber cladding and a coating, with the multiple fiber optic fibers enclosed by a cable sheath to form the sensing cable.

5. The method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi-well hydrocarbon field to continuously update the reservoir model, of claim 1 wherein the multi-parameter sensing cables comprise electromagnetic sensing for monitoring water flood front movement.

6. The method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi-well hydrocarbon field to continuously update the reservoir model, of claim 1 wherein Distributed Acoustic Sensing (DAS) can be used for 3D/4D seismic profiling and to monitor pore pressure changes as water flood fronts move, monitor production in production wells, and monitor injection profiles in water injection wells.

7. The method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi-well hydrocarbon field to continuously update the reservoir model, of claim 1 wherein Distributed Temperature Sensing (DTS) can be used to monitor production in production wells and injection profiles in water injection wells.

8. The method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi-well hydrocarbon field to continuously update the reservoir model, of claim 1 wherein wellbore strain sensing cables are coupled to the formation to monitor compaction forces over time.

9. The method for utilizing multi-parameter fiber optic sensing cables in conjunction with a reservoir compaction and subsidence model of a multi-well hydrocarbon field to continuously update the reservoir model, of claim 1 wherein pressure measurements are used to understand communication between wells, and to control maximum injection pressure.

10. A distributed multi-parameter fiber optic sensing cable enclosed within a cable sheath for simultaneous monitoring of multiple parameters of interest in sub-surface wells comprising:

a. multiple fiber optic cables within the sheath;

b. some of the multiple fiber optic cables comprising an internal optical fiber surrounded by a fiber cladding material, then a hermetic coating, with an outer coating of a polymeric material;

c. wherein the multiple fiber optic cables within the sheath are surrounded by a suitable strain coupling filler material and tightly coupled within the sheath for proper strain transfer.

11. A distributed multi-parameter fiber optic sensing cable enclosed within a cable sheath for simultaneous monitoring of multiple parameters of interest in sub-surface wells comprising:

a. multiple fiber optic cables within the sheath;

b. some of the multiple fiber optic cables comprising an internal optical fiber surrounded by a fiber cladding material, with an outer coating of a magnetostrictive material;

c. wherein the multiple fiber optic cables within the sheath are surrounded by a suitable strain coupling filler material and tightly coupled within the sheath for proper strain transfer.