Reflectometry real time remote sensing for in situ hydrocarbon processing

A technology of time domain reflectometer and geodesy, which is applied in the direction of electrical/magnetic detection, electromagnetic wave detection and measurement for well logging records

Inactive Publication Date: 2012-10-24
HARRIS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these measurements do not yield a real-time, overall picture of the conditions in the layer group

Method used

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  • Reflectometry real time remote sensing for in situ hydrocarbon processing
  • Reflectometry real time remote sensing for in situ hydrocarbon processing
  • Reflectometry real time remote sensing for in situ hydrocarbon processing

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Embodiment Construction

[0017] The disclosed subject matter will now be described more fully and illustrated with one or more embodiments of the invention. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are examples of the invention having the full scope indicated by the language of the claims.

[0018] figure 1 Embodiments of the invention are shown in conjunction with a steam assisted gravity drainage (SAGD) system for in situ processing of hydrocarbons. Steam for the system is generated in the boiler 24 and injected into the layer stack 30 down the ground 28 . If the steam heats the layer 30 sufficiently, the hydrocarbons in the layer, condensed steam, and possibly other liquids in the layer will drain down to the discharge extraction pipe 14 . The liquid is then pumped into extraction tank 26 for storage and / or further processing.

[0019] The time domain reflectometer 10 is ...

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Abstract

A method and apparatus for sensing conditions in a subsurface geologic formation heated for the extraction of hydrocarbons is disclosed. A time domain ref lectometer (10) in conjunction with an open wire transmission line (12, 14) is employed in real time to determine impedance discontinuities in the geologic formation. These impedance discontinuities correspond to physical conditions in the geologic formation. The open wire transmission line can include pipes running into the subsurface geologic formation or other conductors, including a split tube well casing. The method may operate in the low frequency window for subsurface electromagnetic propagation.

Description

technical field [0001] The present invention relates to real-time sensing of subsurface geological conditions. In particular, the present invention relates to advantageous devices and methods for sensing physical conditions present in geological formations during in situ processing of hydrocarbons. Background technique [0002] As the world's reserves of standard crude oil are depleted and oil prices rise due to continued oil demand, oil producers are attempting to process hydrocarbons from bituminous ores, oil sands, tar sands, and heavy oil deposits. These materials are often found in naturally occurring mixtures of sand and clay. Due to the extremely high viscosity of bituminous ores, oil sands, oil shale, tar sands, and heavy oils, the drilling and refining methods used in extracting standard crude oils are generally not available. Therefore, recovery of oil from these deposits requires heating to separate the hydrocarbons from other geological materials and to keep th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/26
CPCE21B47/10G01V3/30
Inventor F·E·帕斯切
Owner HARRIS CORP
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