DE10015777A1 - Utilization of natural gas on oil rigs by conversion to hydrogen and carbon, with on site use of the hydrogen in electricity production and on-shore use of the carbon in fiber or fuel production - Google Patents

Utilization of natural gas on oil rigs by conversion to hydrogen and carbon, with on site use of the hydrogen in electricity production and on-shore use of the carbon in fiber or fuel production

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Publication number
DE10015777A1
DE10015777A1 DE2000115777 DE10015777A DE10015777A1 DE 10015777 A1 DE10015777 A1 DE 10015777A1 DE 2000115777 DE2000115777 DE 2000115777 DE 10015777 A DE10015777 A DE 10015777A DE 10015777 A1 DE10015777 A1 DE 10015777A1
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DE
Germany
Prior art keywords
hydrogen
carbon
natural gas
production
utilization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE2000115777
Other languages
German (de)
Inventor
Reinhard Knoedler
Axel Kranzmann
Lothar Schuh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Research Ltd Switzerland
Original Assignee
ABB Research Ltd Switzerland
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ABB Research Ltd Switzerland filed Critical ABB Research Ltd Switzerland
Priority to DE2000115777 priority Critical patent/DE10015777A1/en
Publication of DE10015777A1 publication Critical patent/DE10015777A1/en
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Utilization of natural gas (5) released during marine oil-drilling is by direct conversion to carbon and hydrogen.

Description

Die Erfindung bezieht sich auf ein Verfahren zur Nutzung von Erdgas gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a method for using natural gas according to the Preamble of claim 1.

Ein solches Verfahren kommt dort zur Anwendung, wo das bei der Förderung von Erdöl anfallende Erdgas an Ort und Stelle genutzt werden soll. Bei der Gewinnung von Erdöl von einer Fördereinrichtung im Meer aus, nachfolgend auch Bohrinsel genannt, werden große Mengen an Erdgas freigesetzt. Bisher wird hiervon nur ein geringer Teil zur Erzeugung von Strom verwendet, um die Fördereinrichtung mit Energie zu versor­ gen. Der größte Teil bleibt ungenutzt und wird abgefackelt. Um die Umwelt zu scho­ nen, wird das Abfackeln mehr und mehr verboten. Das Verbot gilt seit einiger Zeit in Saudi Arabien, Canada, USA und Norwegen, und wird dort vor allem bei neu er­ schlossenen Erdöllagern angewendet.Such a procedure is used where that is in the promotion of Petroleum produced natural gas is to be used on the spot. When extracting Oil from a production facility in the sea, hereinafter also referred to as an oil rig, large amounts of natural gas are released. So far, only a small part of it used to generate electricity to supply the conveyor with energy The largest part remains unused and is flared. To protect the environment flaring is becoming increasingly prohibited. The ban has been in effect for some time Saudi Arabia, Canada, USA and Norway, and will be there especially with new closed oil storage.

Es sind schon in mehrere Verfahren bekannt geworden, mit denen vor allem das bei der Erdölgewinnung auf See freigesetzte Erdgas genutzt werden kann.There are already known in several processes, with which especially the natural gas released at sea can be used.

So sieht ein Verfahren vor, das freigesetzte Erdgas auf der Bohrinsel zu komprimieren und über eine Leitung an Land zu transportieren, um es dort über bereits vorhandene Leitungen an Verbraucher von Erdgas weiterzuleiten. Dieses Verfahren ist teuer, da das Verlegen und in Stand halten der erforderlichen Leitungen teuer ist. Zudem wird beim Komprimieren ein Teil der Energie verbraucht. Außerdem muß auch an Land die Weiterverteilung des Erdgases zu dem Verbrauchern gewährleistet werden. One method, for example, provides for the natural gas released to be compressed on the oil rig and to transport it ashore via a line so that it can be transported over existing ones To forward lines to consumers of natural gas. This procedure is expensive because Laying and maintaining the necessary lines is expensive. In addition, consumes some of the energy when compressing. In addition, the Redistribution of natural gas to the consumers are guaranteed.  

Bei einem anderen Verfahren wird vorgeschlagen, mit Hilfe einer Gasturbine, die auf der Bohrinsel installiert ist, aus dem anfallenden Erdgas Strom zu erzeugen, und die­ sen mittels Seekabel zu den Verbrauchern an Land zu leiten. Ein Verfahren das we­ gen der notwendigen Seekabel ebenfalls teuer ist.Another method suggests using a gas turbine that is on the oil rig is installed to generate electricity from the natural gas and to be routed to consumers on land using submarine cables. A procedure that we is also expensive due to the necessary submarine cables.

Ein weiteres Verfahren sieht vor, das Erdgas auf der Bohrinsel zur Herstellung von Heizöl zu verwenden, das dann mit Tankschiffen ans Land gebracht wird. Dieses Verfahren kann ebenfalls nicht wirtschaftlich durchgeführt werden, da hierfür große Anlagen und große Flächen erforderlich sind, die auf einer Bohrinsel nicht kostengün­ stig zur Verfügung gestellt werden können.Another method provides for the production of natural gas on the oil rig To use heating oil, which is then brought ashore by tanker. This Processes can also not be carried out economically, because they are large Plants and large areas are required that are not cost-effective on an oil rig can always be made available.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren aufzuzeigen, mit dem Erd­ gas, welches bei der Förderung von Erdöl freigesetzt wird, unmittelbar nach dem Frei­ setzen wirtschaftlich genutzt werden kann.The invention has for its object to show a method with the earth gas that is released when crude oil is extracted, immediately after it is released can be used economically.

Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst.This object is achieved by the features of patent claim 1.

Weitere erfinderische Merkmale sind in den abhängigen Ansprüchen gekennzeichnet.Further inventive features are characterized in the dependent claims.

Die Erfindung wird nachfolgend an Hand einer schematischen Zeichnung näher er­ läutert.The invention is based on a schematic drawing he he purifies.

Die einzige zur Beschreibung gehörige Figur zeigt eine als Bohrinsel 1 ausgebildete Einrichtung 1 zur Förderung von Erdöl im Meer 100, eine Anlage 2 zur katalytischen Dampfspaltung von Erdgas, sowie mehrere Brennstoffzellen 3. Die Bohrinsel 1 ist über Pfeiler 1P auf dem Meeresboden (hier nicht dargestellt) abgestützt und verankert. Die Arbeitsfläche der Bohrinsel 1 bildet eine Plattform 1F, auf welcher neben einem Bohr­ turm 4 die Anlage 2 zur katalytischen Dampfspaltung und die Brennstoffzellen 3 instal­ liert sind. Das bei der Förderung von Erdöl freigesetzte Erdgas 5 wird der Anlage 2 über eine Leitung 6 zugeführt. Das im Erdgas enthaltene Methan wird mittels Wasser­ dampf gemäß folgender Gleichung CH4 + H2O → 3H2 + CO2 in Wasserstoff 7 und Kohlenstoff (hier nicht dargestellt) umgesetzt. Der Wasserstoff 7 wird den Brennstoffzellen 3 über die Leitung 8 zugeführt, und dort in elektische Energie umgesetzt. Diese wird dazu verwendet, den für die Spaltung erforderlichen Wasserdampf herzustellen. Der Kohlenstoff wird an Land transportiert und zu Fasern (hier nicht dargestellt) verar­ beitet. Er kann jedoch auch wegen seiner hohen Reinheit als emissionsfreier Brenn­ stoff genutzt wird.The only figure belonging to the description shows a device 1 designed as an oil rig 1 for producing oil in the sea 100 , a system 2 for the catalytic steam splitting of natural gas, and several fuel cells 3 . The drilling rig 1 (not shown here) via pillars P 1 on the seabed supported and anchored. The working surface of the oil rig 1 forms a platform 1 F, on which, in addition to a drilling tower 4, the system 2 for catalytic steam splitting and the fuel cells 3 are installed. The natural gas 5 released in the production of crude oil is fed to the installation 2 via a line 6 . The methane contained in natural gas is converted into hydrogen 7 and carbon (not shown here) by means of water vapor according to the following equation CH 4 + H 2 O → 3H 2 + CO 2 . The hydrogen 7 is fed to the fuel cells 3 via the line 8 , where it is converted into electrical energy. This is used to produce the water vapor required for the cleavage. The carbon is transported on land and processed into fibers (not shown here). However, it can also be used as an emission-free fuel because of its high purity.

Claims (5)

1. Verfahren zur Nutzung von Erdgas (3), das bei der Förderung von Erdöl von einer Fördereinrichtung (1) im Meer (100) aus, freigesetzt wird, dadurch gekennzeich­ net, daß aus dem freigesetzten Erdgas (3 unmittelbar Kohlenstoff und Wasserstoff gewonnen wird.1. A method of using natural gas ( 3 ), which is released from a production facility ( 1 ) in the sea ( 100 ) during the extraction of oil, characterized in that carbon and hydrogen are obtained directly from the released natural gas (3) . 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß aus dem Erdgas (3) mittels katalytischer Dampfspaltung Wasserstoff und Kohlenstoff gewonnen wird.2. The method according to claim 1, characterized in that hydrogen and carbon are obtained from the natural gas ( 3 ) by means of catalytic steam splitting. 3. Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß aus dem Wasserstoff elektrische Energie erzeugt wird.3. The method according to any one of claims 1 or 2, characterized in that that electrical energy is generated from the hydrogen. 4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß aus dem Wasserstoff elektrische Energie zur Gewinnung von Wasserdampf erzeugt wird.4. The method according to any one of claims 1 to 3, characterized in that from the hydrogen generated electrical energy for the production of water vapor becomes. 5. Verfahren nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Kohlenstoff zu Fasern verarbeitet oder als emissionsfreier Brennstoff genutzt wird.5. The method according to any one of claims 1 or 2, characterized in that the carbon is processed into fibers or used as an emission-free fuel becomes.
DE2000115777 2000-03-30 2000-03-30 Utilization of natural gas on oil rigs by conversion to hydrogen and carbon, with on site use of the hydrogen in electricity production and on-shore use of the carbon in fiber or fuel production Withdrawn DE10015777A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2000115777 DE10015777A1 (en) 2000-03-30 2000-03-30 Utilization of natural gas on oil rigs by conversion to hydrogen and carbon, with on site use of the hydrogen in electricity production and on-shore use of the carbon in fiber or fuel production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2000115777 DE10015777A1 (en) 2000-03-30 2000-03-30 Utilization of natural gas on oil rigs by conversion to hydrogen and carbon, with on site use of the hydrogen in electricity production and on-shore use of the carbon in fiber or fuel production

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DE10015777A1 true DE10015777A1 (en) 2001-10-04

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408962A1 (en) * 1994-03-16 1995-09-21 Daimler Benz Ag Carbon Mon:oxide is removed from hydrogen produced by the methanol/water vapour reforming process
DE69306005T2 (en) * 1992-01-27 1997-05-07 Shell Int Research Process for producing a gas containing hydrogen
EP0849245A1 (en) * 1996-12-20 1998-06-24 Kvaerner Process Technology Limited Process and plant for the production of methanol
WO1998040603A2 (en) * 1997-03-12 1998-09-17 Baker Hughes Incorporated Apparatus and methods for generating energy utilizing downhole processed fuel
DE19823499A1 (en) * 1997-05-27 1998-12-10 Sanyo Electric Co Hydrogen@ manufacturing apparatus used in fuel cell system
WO2000023689A1 (en) * 1998-10-21 2000-04-27 Kvaerner Oil & Gas Ltd. Gas disposal system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69306005T2 (en) * 1992-01-27 1997-05-07 Shell Int Research Process for producing a gas containing hydrogen
DE4408962A1 (en) * 1994-03-16 1995-09-21 Daimler Benz Ag Carbon Mon:oxide is removed from hydrogen produced by the methanol/water vapour reforming process
EP0849245A1 (en) * 1996-12-20 1998-06-24 Kvaerner Process Technology Limited Process and plant for the production of methanol
WO1998040603A2 (en) * 1997-03-12 1998-09-17 Baker Hughes Incorporated Apparatus and methods for generating energy utilizing downhole processed fuel
DE19823499A1 (en) * 1997-05-27 1998-12-10 Sanyo Electric Co Hydrogen@ manufacturing apparatus used in fuel cell system
WO2000023689A1 (en) * 1998-10-21 2000-04-27 Kvaerner Oil & Gas Ltd. Gas disposal system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SANDSTEDE,Gerd: Möglichkeiten zur Wasserstoff- Erzeugung mit verminderter Kohlendioxid- Emission für zukünftige Energiesysteme. In: Chem.-Ing.-Tech. 63, 1991, Nr.6, S.575-592 *

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