JP2009534564A - 炭化水素含有地層内の多重層の時系列加熱 - Google Patents
炭化水素含有地層内の多重層の時系列加熱 Download PDFInfo
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- JP2009534564A JP2009534564A JP2009506788A JP2009506788A JP2009534564A JP 2009534564 A JP2009534564 A JP 2009534564A JP 2009506788 A JP2009506788 A JP 2009506788A JP 2009506788 A JP2009506788 A JP 2009506788A JP 2009534564 A JP2009534564 A JP 2009534564A
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- Prior art keywords
- formation
- opening
- hydrocarbon
- hydrocarbon layer
- heater
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Abstract
【解決手段】炭化水素含有地層内の開口に配置した第一ヒーターから熱を第一時間、地層内の第一炭化水素層に与える工程(但し、開口及び第一ヒーターは地層内の第一炭化水素層内に配置したほぼ水平又は傾斜した部分、及びほぼ水平又は傾斜した部分と表面との間に延びる少なくとも1つの接続部分を有する)、第一ヒーターの少なくとも1つの接続部分を開口から除去する工程、隔離材料を開口に置いて、第一ヒーターのほぼ水平又は傾斜した部分が配置された層を隔離材料により少なくとも部分的に隔離する工程、開口の少なくとも1つの接続部分から延びる追加のほぼ水平又は傾斜した開口部分を第二炭化水素層内に形成する工程、第二ヒーターを追加のほぼ水平な開口部分に置く工程、及び第二ヒーターからの熱を第二炭化水素層に与える工程を含む前記地層の処理方法。
【選択図】図3B
Description
米国政府は、米国エネルギー省に対する主契約DE−ACO5−00OR22725号のもとに活動するUT−Battelle,LLC、及びShell Exploration and Production Companyの間の協定ERD−05−2516号にしたがって、この発明において特定の権利を有する。
本発明は、一般に炭化水素、水素、及び/又は他の生成物を、炭化水素含有地層などの種々の地下地層から生産するための方法及びシステムに関する。更に詳しくは、特定の実施態様は、炭化水素含有地層内の多重層を、時系列法で処理する工程に関する。
202 熱源
204 供給ライン
206 生産井
208 収集配管
210 処理設備
212 開口
212A 開口
212B 開口
214A 炭化水素層
214B 炭化水素層
216 不浸透性帯域
218A 発熱体
220 オーバーバーデンケーシング
222 結合
224 プラグ
226 パッキン
Claims (23)
- 地層内の開口に配置された第一のヒーターから熱を、第一の時間の間、地層内の第一の炭化水素層に与える工程であって、前記開口及び第一のヒーターは、前記地層内の第一の炭化水素層内に配置されたほぼ水平又は傾斜した部分、及びほぼ水平又は傾斜した部分と表面との間に延びる少なくとも1つの接続部分を有する該工程と、
前記第一のヒーターの少なくとも1つの接続部分を、前記開口から除去する工程と、
隔離材料を前記開口に置く工程であって、これにより前記隔離材料は、前記第一のヒーターのほぼ水平又は傾斜した部分が配置された層を少なくとも部分的に隔離する該工程と、
前記開口の少なくとも1つの接続部分から延びる追加のほぼ水平又は傾斜した開口部分を、第二の炭化水素層内に形成する工程と、
前記第二のヒーターを、追加のほぼ水平な開口部分に置く工程と、
前記第二のヒーターからの熱を前記第二の炭化水素層に与える工程と、
を含む炭化水素含有地層の処理方法。 - 流体を地層から生産する工程を更に含む請求項1に記載の方法。
- 前記第一の時間は、選択量の炭化水素を、前記第一の炭化水素層から生産するのに十分な時間である請求項1又は2に記載の方法。
- 少なくとも1つの前記接続部分は、ほぼ水平又は傾斜した部分の端部に連結される請求項1〜3のいずれか一項に記載の方法。
- 前記第二の炭化水素層は、少なくとも部分的に不浸透性の層によって、前記第一の炭化水素層から分離される請求項1〜4のいずれか一項に記載の方法。
- 前記隔離材料を、少なくとも1つの前記接続部分内に置く工程を更に含むことを特徴とする請求項1〜5のいずれか一項に記載の方法。
- 前記隔離材料は、前記第一の炭化水素層の上で、或いは前記第一の炭化水素層の下で、前記開口を少なくとも部分的に隔離する請求項1〜6のいずれか一項に記載の方法。
- 前記第一のヒーターの少なくとも1つの前記接続部分を、前記第一のヒーターのほぼ水平な部分から取外す工程を更に含む請求項1〜7のいずれか一項に記載の方法。
- 前記開口の所定位置にパッキンを放置することにより、前記地層を処理した後、前記第一の炭化水素層を放棄する工程を更に含む請求項1〜8のいずれか一項に記載の方法。
- 前記第一のヒーターの前記接続部分は、前記第一のヒーターのほぼ水平な部分から、前記第一のヒーターの1つ以上の連結を破断することによって取外される請求項1〜9のいずれか一項に記載の方法。
- 前記破断は、1つ以上の前記接続部分を、十分量の力で引くことによって行われる請求項10に記載の方法。
- 前記地層は、オイルシェール地層を含む請求項1〜11のいずれか一項に記載の方法。
- 前記第一の炭化水素層は、前記第二の炭化水素層よりも高い豊富性を有する請求項1〜12のいずれか一項に記載の方法。
- 前記第一の炭化水素層は、前記第二の炭化水素層よりも深い深度にある請求項1〜13のいずれか一項に記載の方法。
- 前記不浸透性の材料は、前記第一の炭化水素層と前記第二の炭化水素層との間に不浸透性の層を付与する請求項1〜14のいずれか一項に記載の方法。
- 前記開口は、前記地層の表面の第一の位置に第一の端部を、及び前記地層の表面の第二の位置に第二の端部を有する請求項1〜15のいずれか一項に記載の方法。
- 前記開口は、U型開口を含む請求項1〜16のいずれか一項に記載の方法。
- 前記開口の前記接続部分は、比較的垂直な部分を含む請求項1〜17のいずれか一項に記載の方法。
- 前記開口の前記ほぼ水平な部分は、前記第一の炭化水素層内の少なくとも2つの比較的垂直な接続部分の間に延びる請求項1〜18のいずれか一項に記載の方法。
- 前記開口の前記追加のほぼ水平な部分は、前記第二の炭化水素層内の少なくとも2つの比較的垂直な接続部分の間に延びる請求項1〜19のいずれか一項に記載の方法。
- 前記第一のヒーターの前記ほぼ水平な部分は、前記第一のヒーターの接続部分を前記開口から除去した後、前記開口のほぼ水平な部分内に残される請求項1〜20のいずれか一項に記載の方法。
- 請求項1〜21のいずれか一項に記載の方法を用いて生産される炭化水素を含む組成物。
- 請求項22に記載の組成物から製造される輸送燃料。
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