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In situ method and system for extraction of oil from shale

An oil shale, subsystem technology, used in the field of in-situ extraction of oil and systems from shale, can solve problems such as hindering the extraction of products

Active Publication Date: 2015-07-15
AMERICAN SHALE OIL
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In part, the economical extraction of products from oil shale has been hampered by the difficulty of efficiently heating subterranean oil shale deposits

Method used

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  • In situ method and system for extraction of oil from shale
  • In situ method and system for extraction of oil from shale
  • In situ method and system for extraction of oil from shale

Examples

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Embodiment Construction

[0056] The present invention relates to in situ heating and extraction of shale oil, and in particular to Conduction, Convection, Reflux (CCR TM ) dry distillation method. It should be noted that initially, although the embodiments described here may relate to specific formations, the CCR TM Retort methods can be used in other formations. Furthermore, the embodiments are described in terms of relatively small-scale test production, and the production and yields disclosed may be scaled up or down depending on the circumstances.

[0057] In one embodiment, the CCR is performed at the Piceance Basin in Colorado TM dry distillation method. In particular, the method is carried out in an illite-rich mining interval in the lower part of the Green River formation below a protected aquifer. In this embodiment, the mining interval is an approximately 500-foot thick section extending from the bottom of the nahcolitic oil shale (about 1,850 feet deep) to the bottom of the Green River ...

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PUM

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Abstract

A system and process for extracting hydrocarbons from a subterranean body of oil shale within an oil shale deposit located beneath an overburden. The system comprises an energy delivery subsystem to heat the body of oil shale and a hydrocarbon gathering subsystem for gathering hydrocarbons retorted from the body of oil shale. The energy delivery subsystem comprises at least one energy delivery well drilled from the surface of the earth through the overburden to a depth proximate a bottom of the body of oil shale, the energy delivery well extending generally downward from a surface location above a proximal end of the body of oil shale to be retorted and continuing proximate the bottom of the body of oil shale. The energy delivery well may extend into the body of oil shale at an angle.

Description

[0001] Cross References to Related Applications [0002] This application is a continuation-in-part of U.S. Application Serial No. 11 / 655,152, filed January 19, 2007, which claims priority to U.S. Provisional Application 60 / 760,698, filed January 20, 2006, which U.S. Provisional The disclosure of the application is hereby incorporated by reference in its entirety. This application also claims priority to U.S. Provisional Application Serial No. 61 / 178,856, filed May 15, 2009, and U.S. Provisional Application Serial No. 61 / 328,519, filed April 27, 2010, which U.S. Provisional The disclosure of the application is hereby incorporated by reference in its entirety. Background technique [0003] Large underground deposits of oil shale have been discovered in the United States and around the world. In contrast to petroleum deposits, these oil shale deposits are characterized by their solid state; in which the organic material is a polymer-like structure, often referred to as "keroge...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B43/24E21B36/00
CPCE21B43/30E21B43/24
Inventor A.K.伯纳姆R.L.戴P.H.瓦尔曼J.R.麦康纳吉H.G.哈里斯P.勒维克R.G.沃特
Owner AMERICAN SHALE OIL
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