石油技術協会誌
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72 巻 , 5 号
選択された号の論文の11件中1~11を表示しています
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平成19年度春季講演会特別講演
  • 佐藤 光三
    72 巻 (2007) 5 号 p. 405-410
    公開日: 2008/11/14
    ジャーナル フリー
    In the realm of petroleum exploitation, technology innovation, as well as capital investment and human resources, will play a crucial role in securing global energy supply over the coming decades. Innovation, however, does not spontaneously occur; rather, it must be induced on purpose. This article aims at prompting us to be involved in the process of inducing innovation.
    To clarify the practical significance of innovation to individuals or organizations, the concept of commitment paradigm is introduced, with which the innovation can be categorized into two : universal and custom-made. For individuals with the company commitment, custom-made innovation is an appropriate and reasonable target to decide on. Universal innovation, on the other hand, tends to be accomplished by those with higher commitment that transcends company towards community, mankind, and the Earth.
    Individuals and organizations must grade themselves on their degree of commitment to encourage the practice of inducing innovation. At the same time, for the sake of national interest, a center for universal innovation must be founded with a thorough support from a variety of energy-related sectors. With these efforts, it becomes possible for technology to deliver its promises.
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  • 佐々木 詔雄
    72 巻 (2007) 5 号 p. 411-424
    公開日: 2008/11/14
    ジャーナル フリー
    Natural asphalt produced from oil bearing region in Northern Japan has been used as a glue to fix shaft and knife during the Jomon period (5000∼2300 years ago). The 121 oil and gas fields were discovered in Japan since 1888, and the oil and gas productions are 15,700 bopd and 304 mmcfd from 19 fields in the recent. The production rate is only 0.3% and 3.7% of the total consumptions of Japan respectively. In the “Japanese New Energy Policy”, the percentage of equity oil produced by Japanese oil companies in the world will be increased from 17% to 40% of Japanese consumption in 2030. The old Japanese petroleum technologists over than 40 years old dominate 62% of the total 2,500 technologists. The young peoples are lack due to a few employments since 1990. We must retain and recruit young people in the upstream industry, and also the older professionals will need to transfer the skill and knowledge to young people. We will challenge to discover new oil and gas reserves in the frontier area and to develop unconventional petroleum resources by technological innovation. We will attempt to introduce the upstream business at universities, science/petroleum museums and the producing oil and gas fields as a volunteer.
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  • 加藤 幸弘
    72 巻 (2007) 5 号 p. 425-428
    公開日: 2008/11/14
    ジャーナル フリー
    Under the United Nations Convention on the Law of the Sea (UNCLOS), coastal states shall establish the outer limits of continental shelf beyond 200 nautical miles when coastal states fulfill a number of geomorphological and geological criteria. Coastal states must submit information including scientific data defining the outer limits of the continental shelf to the UN Commission on the Limits of the Continental Shelf (CLCS). To prepare the necessary information by the time limit for Japan, exploration of crustal structure which is coincident with wide-angle and multi-channel seismic reflection survey has been conducted under the coordination of an interministerial council.
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シンポジウム 「作井における技術者の挑戦」
  • 田村 満夫
    72 巻 (2007) 5 号 p. 430-435
    公開日: 2008/11/14
    ジャーナル フリー
    Japan Oil Development Company (JODCO) has been operating several offshore oil fields jointly with Abu Dhabi National Oil Corporation (ADNOC) in the U.A.E. since the 1970's. A lot of new drilling technologies have been introduced to contribute in assisting maximize economic oil recovery through innovative horizontal hole drilling techniques and to rectify drilling problems such as shale instability and well integrity issues. This paper describes the progress of horizontal drilling technique including multi-laterals tie-back system and casing window opening technology, operation guidelines for shale instability problem based on chemical and mechanical analysis, and applications related to well integrity security. In addition, approaches for the integrated drilling program and the objective evaluation of drilling performance are briefly introduced.
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  • 福嶋 睦夫
    72 巻 (2007) 5 号 p. 436-444
    公開日: 2008/11/14
    ジャーナル フリー
    Recent heavy rise in oil price had impacted oil companies of the world. Then afterward, they expanded and influenced service businesses and service contractors, such as offshore drilling contractors, living among the oil companies.
    Japan Drilling Company, JDC, as one of the offshore drilling contractors, also experienced recent abrupt changes of business environment. Although the environment is generally recognized favorable for them, it also forces them significant challenges and risks. Their severe battle for survival in such cyclical market can be seen now.
    In this paper, brief descriptions of the recent offshore drilling and rig market are presented, then, as an example, JDC's situations and strategies in such market environment are explained.
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  • 今里 昌幸
    72 巻 (2007) 5 号 p. 445-458
    公開日: 2008/11/14
    ジャーナル フリー
    In 1987, in order to achieve an efficient 6,000m well drilling, the first introduction of OBM to the domestic field in JAPEX was considered, but temporarily suspended due to Japanese rules and regulations and the development of HPHT WBM was in sight.
    Recently, extended reach, horizontal, deepwater and deep HPHT wells are come to demand in worldwide basis and in JAPEX extended reach or highly deviated 3D domestic wells are programmed and SBM are again necessitated to introduce to Japan.
    Having reexamination of which consist of facilities to correspond with Japanese regulation, logistics, rig modification, crew training and engineering of both mud cooling and well control, JAPEX achieved usage of SBM in Japan in 2006 for Akebono SK-4D well.
    The Akebono well demonstrated a total qualified technology in JAPEX and her subsidiaries in the course of utilization of SBM.
    With regard to the actual operation, encountered lost circulation and low ROP in the deep coal bearing formation and hence actual operational days had to be lengthened in spite of being given a good hole condition compared with the past WBM experience.
    SBM are to be utilized for next well in 2007, JAPEX group, accordingly, have to overcome several outcomes arising from Akebono in order to be further proficient in utilizing SBM and establish or prove its profits for future operation.
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  • 細見 淳
    72 巻 (2007) 5 号 p. 459-464
    公開日: 2008/11/14
    ジャーナル フリー
    Teikoku oil Co. Drilling Department has tried to improve and transmit drilling and safety technique. Three methods such as “Standard operation procedure”, “Risk Assessment” and “Near miss accident map” are introduced in this paper.
    “Standard operation procedure” is the record of the basic required knowledge for workers in the drilling department. Most of them have that knowledge already, but some of them do not have it. All of them can get above knowledge by reading the record, and this will protect them against accidents caused by human errors due to forgetting and misunderstandings.
    “Risk Assessment” is used for finding hazards from each operation before having disaster.
    “Near miss accident map” is the grouping of near miss accidents that were reported in the past. Drilling crew use the tool for foreseeing hazards in each operation, and a supervisor can tell hazards to drilling crew by using this tool.
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  • 小林 照明
    72 巻 (2007) 5 号 p. 465-478
    公開日: 2008/11/14
    ジャーナル フリー
    The JAMSTEC deep water drill ship Chikyu has been completing the ODS (Overseas Drilling Shakedown) since construction including the Shimokita drilling shakedown (water depth : 1,180 m/Japan's deepest water drilling record establishment) which was completed between August and October 2006. Chikyu drilled safely offshore Kenya with the deepest water depth being 2,200 m, which became Chikyu's first drilling overseas. After the Kenya campaign, Chikyu moved to Australia and has been drilling oil and gas wells in Australia's North West shelf.
    It returns to the IODP schedule with the NanTroSEIZE scientific drilling to begin in Kumano Nada in Japan in September 2007 after the ODS ends, and Chikyu will finally debut to the international scene of IODP (Integrated Ocean Drilling Program). Petroleum drilling engineers are now working for CDEX to execute the IODP scientific drilling operation for the Chikyu.
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  • 羽倉 淳一
    72 巻 (2007) 5 号 p. 479-486
    公開日: 2008/11/14
    ジャーナル フリー
    In DESC (Design and Evaluation Services for Clients) service, a service company engineer works in the client office and with oil company engineers to analyze wells that are candidates for production improvement and to develop treatments to enhance well productivity. For both service company and oil company, the DESC program provides significant benefits. DESC engineers are dedicated to serving a single customer, cutting cost, improving quality and raising productivities. They contribute years of experience in completion engineering, and when they move into an oil company office, they are practically self-sufficient, bringing their own networked workstation, a bookshelf of dedicated software and a modem. The oil company provides an office with a desk and chair, phone and electricity, and allows access to well files and company experts.
    The oil company gets a seasoned engineer with a fresh perspective. The service company gets a richer understanding of client needs and improved access to opportunities for well treatment services. Both parties benefits from daily contact that builds trust, which stimulates the cross-pollination of ideas. This candid exchange results in earlier acceptance of new ideas and faster development of solutions. As management consultants say, it's a win-win scenario.
    There are several practices and tools what service company engineers use to share knowledge and experience. They are important factors to enhance operation and production efficiency in tougher drilling environment.
    This paper presents how the DESC program works, and a tour of case studies to see how DESC engineers operate day to day.
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  • 井戸 尚孝
    72 巻 (2007) 5 号 p. 487-499
    公開日: 2008/11/14
    ジャーナル フリー
    Abu Dhabi Oil Co., Ltd. (ADOC) is currently operating the following three oil fields; Mubarraz, Umm Al-Anbar (AR) and Neewat Al-Ghalan (GA) Field. A total of 73 wells have been drilled in our fields since MR-1 was drilled as a wild cat well in 1969. Furthermore, a total of 23 re-entry horizontal drilling operations from existing wells have been carried out, in order to increase the rate of oil production and oil recovery since 1996. Drilling operations have improved dramatically due to improvements in various aspects such as drilling technology, drilling mud technology and cementing technology which have contributed to more efficient and reliable drilling operations and subsequently better production history. This paper presents ADOC's drilling operation with an emphasis on re-entry horizontal drilling, including well trajectory, drilling assembly, drilling bit, drilling mud, re-entry method and running and cementing of the production liner.
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  • 72 巻 (2007) 5 号 p. 500-511
    公開日: 2008/11/14
    ジャーナル フリー
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