CN1335499A - 岩石热解生储油岩组份定量分析装置 - Google Patents

岩石热解生储油岩组份定量分析装置 Download PDF

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CN1335499A
CN1335499A CN 00110726 CN00110726A CN1335499A CN 1335499 A CN1335499 A CN 1335499A CN 00110726 CN00110726 CN 00110726 CN 00110726 A CN00110726 A CN 00110726A CN 1335499 A CN1335499 A CN 1335499A
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drip catcher
isolator
way valve
valve
heavy hydrocarbon
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CN1124486C (zh
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杨仁政
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HAICHENG CITY PETROCHEMICAL INSTRUMENT FACTORY
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HAICHENG CITY PETROCHEMICAL INSTRUMENT FACTORY
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Abstract

本发明属于岩石热解生、储油岩组份分析技术领域。本发明的目的是为了对生储油岩进行准确的定量分析,以准确确定油气储最。本装置由热解炉2、检测器3、隔离器4、三通阀5、六通阀6与10、重烃捕集器7与11、轻烃捕集器8与12、分离检测系统9与13、电磁阀14组成。本发明对生储油岩组份不仅能进行定性分析,而且能进行定量分析,可以准确测定油岩的油气含量。本装置长期使用,性能稳定可靠,可广泛适用于石油、化工、地质勘探等部门。

Description

岩石热解生、储油岩组份定量分析装置
本发明属于岩石热解生储油岩组份分析技术领域。
目前,世界上采用的岩石热解生、储油岩组份分析多采用定性分析方法,能解决当前地质勘探分析一些方面的难题,但不能确定组份的绝对含量,不能具体测定含油气的准确数值(mg烃/g岩石)。
本发明的目的是为了对生、储油岩进行准确的定量分析,以准确确定油气储量。
将样品1推入热解炉2后产生的热解气分两路进行检测,每路为气体总量的50%,一路热解气进入检测器3,主要检测生储油岩的总烃量,另一路热解气进入隔离器4。隔离器外绕有炉丝,空腔内装有吸附剂。由于隔离器的温度稍低于管道温度,所以通过隔离器4的热解气中的重组份滞留下来,余下组份通过三通阀5的1、2点进入六通阀6,再从六通阀6的2、1点通过重烃捕集器7捕集C10以上的物质,余下的C1~C10由轻烃捕集器8进行捕集。该路捕集完后,三通阀5自动转换到1、3接通的状态,热解气通过六通阀10的2、1点到达重烃捕集器11,捕集C10以上的物质,余下的C1~C10由轻烃捕集器12进行捕集。此路捕集完后,六通阀6和10同时转换,并对重烃捕集器7与11、轻烃捕集器8与12、隔离器4同时加热。柱载气从D、E点吹入,分别进入六通阀6与10的5、4点,将轻烃捕集器8与12、重烃捕集器7与11中的组份通过六通阀6、10的1、6点吹向分离检测系统9、13,分别进行分离和检测,检测系统9检测S0和S1的组份,检测系统13检测S2的组份。与此同时,电磁阀14也开启,反吹气通过2、1点和六通阀10的3、2点反向进入三通阀5,通过3、1点将滞留在隔离器4中的组份吹回检测器3进行检测。
检测器3检测的是总烃量,即S0、S1、S2和反吹的重烃残留含量S2′,分离检测系统9检测的是天然气含量S0和蒸发烃含量S1的单体烃含量。分离检测器系统13检测的是热解烃S2的单体烃含量。其计算公式如下:
单体烃含量计算公式:
S0、S1组份的细分为: C n = V cn ΣV cn × ( S 0 + S 1 )
S2组份的细分为: C n ′ = V cn ′ Σ V cn ′ × ( S 2 - S 2 ′ )
S0——为天然气含量
S1——为蒸发烃含量
S2——为热解烃含量
S2′——为重烃残留含量
Vcn、Vcn′——为组份中单体烃类峰面积积分值
∑Vcn、∑Vcn′——为组份中所有峰面积积分值
Cn、Cn′——为组份中各烃的含量(mg/g)
附图说明:
1是样品、2是热解炉、3是检测器、4是隔离器、5是三通阀、6是六通阀、7是重烃捕集器、8是轻烃捕集器、9是分离检测系统、10是六通阀、11是重烃捕集器、12是轻烃捕集器、13是分离检测系统、14是电磁阀。
本发明对生储油岩组份不仅能进行定性分析,而且能进行定量分析,可以准确测定油岩的油气含量。本装置长期使用,性能稳定可靠,可广泛适用于石油、化工、地质勘探等部门。
实施例:
隔离器4的温度:隔离时为300℃,反吹时为600℃。
六通阀6、10的温度为300℃。
重烃捕集器7、11的温度:捕集时为50℃以下,释放时为300
管线温度:350℃。
从D、E吹入的柱载气流量为50ml/min~200ml/min。
反吹气流量15ml/min~25ml/min。
隔离器4为φ3×100的白钢管,外绕铠装加热丝400W。重烃扑集器7、11为U型白钢管,轻烃扑集器8、12为螺旋型白钢管。

Claims (2)

1.一种岩石热解生、储油岩组份定量分析装置,有热解炉2、检测气3、分离检测系统9与13,其特征在于:还有隔离器4、三通阀5、六通阀6与10、重烃捕集器7与11、轻烃捕集器8与12、电磁阀14,隔离器外绕有炉丝,空腔内装有吸附剂,隔离器的温度稍低于管道温度,通过隔离器4的热解气中的重组份滞留下来,余下组份通过三通阀5的1、2点进入六通阀6,再从六通阀6的2、1点通过重烃捕集器7捕集C10以上的物质,余下的C1~C10由轻烃捕集器8进行捕集,该路捕集完后,三通阀5自动转换到1、3接通的状态,热解气通过六通阀10的2、1点到达重烃捕集器11,捕集C10以上的物质,余下的C1~C10由轻烃捕集器12进行捕集,此路捕集完后,六通阀6和10同时转换,并对重烃捕集器7与11、轻烃捕集器8与12、隔离器4同时加热,柱载气从D、E点吹入,分别进入六通阀6与10的5、4点,将轻烃捕集器8与12、重烃捕集器7与11中的组份通过六通阀6、10的1、6点吹向分离检测系统9、13,分别进行分离和检测,与此同时,电磁阀14也开启,反吹气通过2、1点和六通阀10的3、2点反向进入三通阀5,通过3、1点将滞留在隔离器4中的组份吹回检测器3进行检测。
2.如权利要求1所示的岩石热解生、储油岩组份定量分析装置,其特征在于:隔离器4的温度,隔离时为300℃,反吹时为600℃,六通阀6、10的温度为300℃,重烃捕集器7、11温度,捕集时为50℃以下,释放时为300℃,管线温度:350℃,从D、E吹入的柱载气流量为50ml/min~200ml/min,反吹气流量15ml/min~25ml/min,隔离器4为φ3×100的白钢管,外绕铠装加热丝400W,重烃扑集器7、11为U型白钢管,轻烃扑集器8、12为螺旋型白钢管。
CN 00110726 2000-07-25 2000-07-25 岩石热解生、储油岩组份定量分析装置 Expired - Fee Related CN1124486C (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100578215C (zh) * 2007-06-12 2010-01-06 中国科学院广州地球化学研究所 开放式天然气生成动力学研究装置及使用方法
CN103808752A (zh) * 2012-11-07 2014-05-21 中国石油化工股份有限公司 定量分析热解s2中可溶烃量的方法
CN104280486A (zh) * 2014-10-23 2015-01-14 佛山市南海区环境保护监测站 一种色谱分析方法
RU184021U1 (ru) * 2018-07-31 2018-10-11 Леонид Владимирович Илясов Термохимический детектор газов

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100578215C (zh) * 2007-06-12 2010-01-06 中国科学院广州地球化学研究所 开放式天然气生成动力学研究装置及使用方法
CN103808752A (zh) * 2012-11-07 2014-05-21 中国石油化工股份有限公司 定量分析热解s2中可溶烃量的方法
CN104280486A (zh) * 2014-10-23 2015-01-14 佛山市南海区环境保护监测站 一种色谱分析方法
CN104280486B (zh) * 2014-10-23 2016-07-06 佛山市南海区环境保护监测站 一种色谱分析方法
RU184021U1 (ru) * 2018-07-31 2018-10-11 Леонид Владимирович Илясов Термохимический детектор газов

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