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Low temperature inductive heating of subsurface formations

A formation and intra-formation technology applied in the field of systems for the production of hydrocarbons, hydrogen and/or other products, which can solve the problems of economically producing hydrocarbons, hydrogen, etc.

Inactive Publication Date: 2015-06-17
SHELL INT RES MAATSCHAPPIJ BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still many hydrocarbon-bearing formations from which hydrocarbons, hydrogen and / or other products cannot be economically produced

Method used

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  • Low temperature inductive heating of subsurface formations
  • Low temperature inductive heating of subsurface formations
  • Low temperature inductive heating of subsurface formations

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Experimental program
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Embodiment Construction

[0027] The following description generally relates to systems and methods for processing hydrocarbons within a formation. The formation may be processed to obtain hydrocarbon products, hydrogen and other products.

[0028] "Alternating current (AC)" refers to a time-varying electrical current that changes direction substantially sinusoidally. AC creates a skin effect current in a ferromagnetic conductor.

[0029] In the context of heating systems, devices, and methods that reduce heat output, the term "self-heating" means that the systems, devices, and methods operate without the application of external controls (e.g., external controllers such as those with temperature sensors and feedback loops, PID controller or predictive controller) works in a certain way.

[0030] "Coupled" means that one or more objects or elements are directly connected or indirectly connected (eg, one or more intervening connections). The term "directly connected" means that objects or elements are...

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Abstract

Systems and methods used in treating a subsurface formation are described herein. Some embodiments also generally relate to barriers and / or methods to seal barriers. A method used to treat a subsurface formation may include heating a portion of a formation adjacent to a plurality of wellbores to raise a temperature of the formation adjacent to the wellbores above a mobilization temperature of bitumen and below a pyrolysis temperature of hydrocarbons in the formation; and allowing the bitumen to move outwards from the wellbores towards a portion of the formation comprising water cooler than the mobilization temperature of the bitumen so that the bitumen solidifies in the formation to form a barrier.

Description

technical field [0001] The present invention generally relates to systems, methods and heat sources for producing hydrocarbons, hydrogen and / or other products. In particular, the present invention relates to systems and methods for applying heat sources to treat various subterranean hydrocarbon formations. Background technique [0002] Hydrocarbons obtained from subterranean formations are commonly used as energy sources, feedstocks, and consumer goods. Concerns about the depletion of available hydrocarbon sources and concerns about the overall decline in the quality of produced hydrocarbons have led to the development of more efficient methods of recovering, processing and / or using available hydrocarbon sources. In situ methods may be used to remove hydrocarbon species from subterranean formations. It may be desirable to alter the chemical and / or physical properties of the hydrocarbon species within the subterranean formation in order to facilitate removal of the hydrocar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B36/04
CPCE21B43/2401
Inventor T·D·福勒S·V·源
Owner SHELL INT RES MAATSCHAPPIJ BV