이전|다음

서펜타인화형 천연 수소 지질 조사 진전 및 시사점 — 허건산 및 나지산 서펜타인대를 중심으로

  • role： First author第一作者
  • Affiliation：

    State Key Laboratory of Continental Shale Oil， Daqing， Heilongjiang 163712， China

    Oil and Gas Resources Survey， China Geological Survey， Beijing 100083， China

  • Email：tenger67@163.com
  • Introduction：腾格尔（1967—），男，研究员，地球化学、油气和天然氢地质。E‑mail： tenger67@163.com。
Tenger 12,  
  • Affiliation：

    State Key Laboratory of Continental Shale Oil， Daqing， Heilongjiang 163712， China

    Oil and Gas Resources Survey， China Geological Survey， Beijing 100083， China

ZHANG Cong12,  
  • Affiliation：

    State Key Laboratory of Continental Shale Oil， Daqing， Heilongjiang 163712， China

    Oil and Gas Resources Survey， China Geological Survey， Beijing 100083， China

TONG lihua12,  
  • Affiliation：

    Geological Survey Institute of the Inner Mongolia Autonomous Region， Hohhot， Inner Mongolia 010020， China

WANG Xin3,  
  • Affiliation：

    China Aero Geophysical Survey and Remote Sensing Center for Natural Resources， China Geological Survey， Beijing 100083， China

CAO Baobao4,  
  • Affiliation：

    Tianjin Center， China Geological Survey， Tianjin 300170， China

WEI Jialin5,  
  • Affiliation：

    China University of Petroleum （Beijing）， Beijing 102249， China

FENG Qianqian6,  
  • Affiliation：

    National Research Center for Geoanalysis， Beijing 100037， China

XU Xuemin7,  
  • Affiliation：

    State Key Laboratory of Continental Shale Oil， Daqing， Heilongjiang 163712， China

    Oil and Gas Resources Survey， China Geological Survey， Beijing 100083， China

FANG Ronghui12,  
  • Affiliation：

    State Key Laboratory of Continental Shale Oil， Daqing， Heilongjiang 163712， China

    Oil and Gas Resources Survey， China Geological Survey， Beijing 100083， China

LUO Lintao12,  
  • Affiliation：

    State Key Laboratory of Continental Shale Oil， Daqing， Heilongjiang 163712， China

    Oil and Gas Resources Survey， China Geological Survey， Beijing 100083， China

CHEN Weikun12,  
  • Affiliation：

    National Research Center for Geoanalysis， Beijing 100037， China

FANG Peng7,  
  • Affiliation：

    State Key Laboratory of Continental Shale Oil， Daqing， Heilongjiang 163712， China

    Oil and Gas Resources Survey， China Geological Survey， Beijing 100083， China

ZHANG Yuan12,  
  • Affiliation：

    State Key Laboratory of Continental Shale Oil， Daqing， Heilongjiang 163712， China

    Oil and Gas Resources Survey， China Geological Survey， Beijing 100083， China

ZENG Wenren12,  
  • Affiliation：

    State Key Laboratory of Continental Shale Oil， Daqing， Heilongjiang 163712， China

    Oil and Gas Resources Survey， China Geological Survey， Beijing 100083， China

LI Haohan12,  
  • Affiliation：

    State Key Laboratory of Continental Shale Oil， Daqing， Heilongjiang 163712， China

    Oil and Gas Resources Survey， China Geological Survey， Beijing 100083， China

WANG Zi12

추상적인

서펜타인화 반응은 지하 자연 수소 형성의 중요한 메커니즘 중 하나이며, 서펜타인대는 천연 수소 탐사의 중요한 분야가 되고 있다. 중국의 서펜타인대는 널리 분포되어 있으며 고농도 수소 이상 지역이 다수 존재하지만 천연 수소의 형성 및 축적 메커니즘과 자원 전망은 명확하지 않다. “선녀고리” 구조 인식, 토양 수소 함량 측정 및 지구물리학적 심부 탐사 등 기술적 방법을 바탕으로 내몽골 중부 및 남기연 지역 서펜타인대에서 천연 수소 지질 조사가 이루어져 단계적인 진전을 이루었다. 연구 결과는 다음과 같다: ① 내몽골 중부 허건산 서펜타인대에서 잠복 초기암암에 의해 발생한 '고자기 고중' 이상 구역 2개가 예비 식별되었고, 여러 '선녀고리' 구조와 포함물 내에 봉인된 천연 수소가 발견되었으며, 토양 수소 누출 이상과 결합하여 천연 수소 형성 및 축적에 유리한 구역이 구분되었다. ② 남기연 나지산 서펜타인대에서는 2개의 대형 초기암암체가 예비 식별되었으며 '고자기, 고중, 고저항' 특성을 보였다. 노출된 감람암은 강한 서펜타인화가 진행되었고, 높은 Fe2+ 및 Fe3+ 함량과 높은 Fe3+/Fe2+ 비율을 특징으로 하며, 서펜타인화에 의한 수소 발생 과정이 있었으며 잠재적 수소원이 존재한다는 것을 나타냈고, 다수의 고농도 토양 수소 이상점이 발견되었으며 최고 농도는 1000 × 10-6에 이르러 우수한 탐사 잠재력을 보였다. ③ 예비 조사 결과는 조사구역 내 활동적인 천연 수소원이 존재함을 보여주었고, 서펜타인화형 천연 수소의 형성과 축적을 제어하는 주요 요인들을 밝혀냈다. 이들 요인에는 초기암암과 충분한 수자원의 결합 효과; 초기암암의 규모 및 그 퇴적 덮개 조건(규모 축적 여부 결정); 수소 생성 시간과 함정 포획 시간 간의 일치 관계(체류 시간 결정); ‘지속성, 순간성’ 집적 특성 등이 포함된다. ④ 초기 퇴적 분지 기저부 내 철풍부 암석과 후기 퇴적 분지 내부로 침투한 초기암암은 유리한 탐사 목표층이며, 천연 수소와 지열 자원의 통합 탐사 개발 전망이 밝다. 중국 천연 수소 조사 연구는 아직 초기 단계에 있으며, 잠재력과 도전이 공존한다. 상기 진전과 인식은 천연 수소 탐사 위험을 줄이고 조기 광물 발견 돌파에 도움이 된다.

키워드

유리 구역;서펜타인화;초기암암;서펜타인대;성혈 메커니즘;천연 수소;남기연;내몽골

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