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25 April 2018, Volume 37 Issue 2 Previous Issue    Next Issue

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Technological Innovation to Improve Oil and Gas Technological Service Supportability and Competitiveness Li Aimin 2018, 37(2): 1-3.  DOI: 10.3969/j.issn.1002-302x.2018.02.001 Abstract ( )   PDF (971KB) ( )   To improve technological service supportability and competitiveness, CNPC Chuanqing Drilling Engineering Co Ltd has committed itself to technological innovation, active reform, acceleration of transformation, improvement of quality and efficiency, control over investment and cost, energetic promotion of cooperative oil and gas development, and the objective of becoming the first-class enterprise. In the area of technological innovation, the company optimized the path of innovation to highlight high-end, unique and tangible development, stressed the leading role of reform in the efforts for invigoration of technological innovation, strengthened management of technological research projects, promoted the transformation of innovative talents, enhanced the incentive mechanism for innovation. It also focused on integration and merger for higher innovation values to make oil and gas exploration discoveries, put oilfield into production rapidly, serve large-scale and economic development of shale gas, and accelerate modernization of engineering technology. Based on the efforts of years, the company provided the high-level innovative results for increase of reserves and production and remarkably improved its competence for internationalized development, integration of industrial chain, promotion of system, early prevention of risks, internal management and control, and sustainable business development. Meanwhile, the company continually boosted its oilfield technological service supportability and competitiveness.

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Prospect for China’s Oil Refining Industrial and Technological Development Bian Siying, Zhang Fuqin 2018, 37(2): 4-8.  DOI: 10.3969/j.issn.1002-302x.2018.02.002 Abstract ( )   PDF (1130KB) ( )   China has issued a series of policies on the right for use of imported oil and the import qualifications of non-State trade for the purpose to promote marketization of oil refining industry. The country’s refined oil products output and marketing are continually on the increase, with the oil refining capacity continuing to rise and the proportion of local refineries obviously raised. The industrial layout is continually under optimization. Dependence on foreign crude oil sees another record high by reaching 68.4 percent in 2017 owing to the growth in oil processing volume, import of crude oil, output of refined products and market demand. China sees rapid development of oil refining technology and owns the internationally-leading technologies of 10-million-ton oil refining equipment and inferior crude oil processing with its independent intellectual property rights. The country has also made remarkable achievements in localization of equipment and export of technology. Looking into the future, China’s oil refining industry faces conversion, modernization, integration, and conglomeration. It is necessary to take a series of measures, such as continually optimizing industrial distribution, stimulating local refineries for healthy development, further improving adaptability of high-sulfur, high-acid and heavy oil for processing, adjusting structure of refined products, constructing energy-saving and environmentally-friendly oil refineries and making continuous efforts for oil refining technological innovation to bring about sustainable development of China’s oil refining industry.

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Practice and Innovation of PetroChina CBM Company Limited’s Technological Management Zhang Liang, Zhao Peihua, Liao Qianyu, Zheng Shiqi 2018, 37(2): 9-13.  DOI: 10.3969/j.issn.1002-302x.2018.02.003 Abstract ( )   PDF (1128KB) ( )   Based on the advantages of China National Petroleum Corporation, PetroChina Coalbed Methane Company Limited has always committed itself to the efforts for the CBM-characterized technological innovation pattern. The company is focused on the national science and technology major projects and PetroChina’s science and technology major projects and executed those key projects in connection with its own technological projects. It has also tightened control over the execution process of the special projects as well as expenditure of project fund while making the efforts for perfection of management structuring mechanism, establishment of healthy management framework, in-depth merger of R&D capacity, optimization of talent-training mechanism, and improvement of innovation capability. The company has stressed compliance with the policies for encouragement of innovation, attached importance to consolidation of the research results, organized high-level academic activities and improved the influential power of science and technology. Based on study of key technology and integration of technological series, the company perfected CBM abundance theories of middle-rank and low-rank coal, created seven major technological families of CBM exploration and development and established China’s first-class laboratory, enormously benefiting China’s CBM business development. In the decade after its establishment, PetroChina CBM Company Limited has continually improved technological management competence, innovation-based economic performance and production business, making itself a leader of technology, a formulator of standards and specifications and a pace-setter in China’s domestic CBM area.

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Petroleum Industrial Standardization and Its Strategic Development Tan Yue, Wu Wei, Lian Hua 2018, 37(2): 14-17.  DOI: 10.3969/j.issn.1002-302x.2018.02.004 Abstract ( )   PDF (978KB) ( )   As structuring basis for sustainable industrial development, petroleum industrial standardization strategy has experienced a development process of four periods -- establishment in the “10th Five-year Plan Period”, implementation in the “11th Five-year Plan Period”, optimization and conversion of system in the “12th Five-year Plan Period” and innovation in the “13th Five-year Plan Period”. The strategy has been always focused on the guidelines of the country’s standardization work during the four stages of implementation. It highlights the key points of the different stages, stresses the principles of “merger, improvement and internationalization” and adheres to the orientations of marketization and internationalization. The current stage is under in-depth reform of standardization, with a strategic concept proposed to establish the petroleum industrial standards consortium. In the new stage, the standardization strategy is supposed to fuel development by means of standards, fully improve and promote industrial modernization to shape the new competitiveness, and accelerate export of China’s advantageous equipment, technology and services. Those are the clear orientations for reform of standardization.

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National Science and Technology Major Projects Effectively Promote Development of Universities-- Take China University of Petroleum (Beijing) for Example Lin Qingguo, Li Xiangping, Wang Liqing 2018, 37(2): 18-22.  DOI: 10.3969/j.issn.1002-302x.2018.02.005 Abstract ( )   PDF (1295KB) ( )   During the 12th Five-year Plan Period, China University of Petroleum (Beijing) undertook eight national science and technology major projects and more than 150 special research tasks concerning “large-scale oil and gas fields and coal-bed methane development”. A large number of high-level results have been achieved in the continual efforts for technological research. This paper makes a statistical analysis of the theses, patents, criteria, software authorship, academic works, research results and innovative teams on the basis of the key oil and gas projects. It indicates that petroleum colleges and universities play an important role in improvement of innovative competence, promotion of disciplinary development and cultivation of graduates in execution of the national science and technology major projects. As for the management system, the colleges and universities launched the special leadership organs for coordination and execution of the key projects and formulated a series of management methods to standardize management of the projects and fund, effectively bringing the key projects under execution.

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Innovation and Practice in Regional Construction and Management of Oil and Gas Gathering and Transferring Stations Ai Yueqiao, Jia Lidong, Wang Yuqin, Chen Ruibo 2018, 37(2): 23-27.  DOI: 10.3969/j.issn.1002-302x.2018.02.006 Abstract ( )   PDF (1574KB) ( )   To optimize distribution of resources and take advantage of oil and gas pipeline networks, innovations should be made in regional construction and management pattern of oil and gas gathering and transferring stations. A new operational control and maintenance pattern is proposed, which is based on remote concentrated control from the control center, remote supervision and inspection tours from the control room of the subsidiary, and regular on-the-spot inspection in the operational zone. This new pattern solves a series of problems under the concentrated control pattern, such as surplus of personnel at stations and fields, the failure of the maintenance and rescue center to meet the operational demand in time, and relatively high maintenance cost. Regular testing of equipment and concentrated maintenance in the operational area can improve the reliability of equipment on the field. The documents of regional operation are formulated for standardization of areal management, finally achieving the purposes of reducing working staff at the stations and fields, improving the ability of maintenance crews, lowering operational cost, and boosting economic performance of the enterprise.

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Sidetracking Horizontal Well to Become Important Technological Scheme for Stimulation of Low-yield Oil and Gas Wells in Old Areas Sun Ning 2018, 37(2): 28-35.  DOI: 10.3969/j.issn.1002-302x.2018.02.007 Abstract ( )   PDF (1728KB) ( )   Three quarters of global newly-additional recoverable reserves come from old oil and gas areas each year. A large number of old low-yield wells appeared one after another during the period of low oil price. It is of vital importance to tap potentials for higher production in the old oil and gas areas. Use of sidetracking horizontal well for old well has some technological advantages, such as low cost for each ton of oil and substantial increase in single-well yield. It is supposed to become an important technological measure for stimulation of low-yield oil and gas wells in the old areas. This technological measure is supposed to draw attention from oil and gas field managers and drilling workers. It should be put into wide application as soon as possible. This paper briefs about conceptions of sidetracking horizontal well, current technological development in this area and application results both at home and overseas. It points out that the next-stage research should be focused on radial sidetracking horizontal well, air sidetracking, water-free fracturing completion of sidetracking well, and coiled tubing sidetracking. The remaining oil and gas distribution should be continually clarified on the basis of in-depth research on oil and gas reservoir engineering. The relatively concentrated remaining oil and gas can be produced by using sidetracking horizontal well for old wells, thus improving production factor of oil and gas in the areas and dramatically boosting economic performance of development.

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Evaluation Methods for Producing Degrees of Geological Reserves from Different Reservoirs Li Bin, Liu Wei, Bi Yongbin 2018, 37(2): 36-41.  DOI: 10.3969/j.issn.1002-302x.2018.02.008 Abstract ( )   PDF (1398KB) ( )   The producing degree of oil in place is one of the important indexes in oilfield development. The two-section thickness gauge algorithm has been used over a long period of time, but it is limited only to the artificial water-flooded oil reservoirs and the reservoirs that can be tested for water-absorbing section and liquid-producing section. Few people pay attention to the algorithm for producing degree of geological reserves from other types of oil driving or reservoirs. There is a variety of geological reserves thanks to certainty and influential factors, leading to complexity of producing degree of geological reserves. Use of production data in a certain period for calculation of recoverable reserves can reflect the waves of producing geological reserves during that period of time. Then, the producing degree of geological reserves can be calculated on the basis of oil driving efficiency. This method is simple, efficient and convenient. The actual calculation cases confirm that this method is feasible. The article also discusses the suitability of this method and the related issues concerned at the time of calculation.

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Measures against Brazil’s Pre-salt Deepwater Oilfield Development Risks Shang Fanjie, Jiang Bin, Yang Baoquan, Fang Lei, Wang Yaqing 2018, 37(2): 42-50.  DOI: 10.3969/j.issn.1002-302x.2018.02.009 Abstract ( )   PDF (2426KB) ( )   A series of major discoveries have been made in Brazil’s pre-salt deepwater block since 2006, making it an important replacement area for reserve. The oil and gas production had been accumulated to 17×108 barrels as of June 2017. This area has a water depth of 2000 meters. It is complicated in the geological background and reservoir conditions so that the oilfield is difficult for economically efficient development. This paper summarizes the main development risks for Brazil’s pre-salt deepwater oilfield and briefs about the unique concepts and methods Petrobras has established to effectively identify and control the risks, such as acquisition of economically effective data and evaluation of oilfield, increase of adaptability and flexibility of the designed development plan, establishment of early production system, and development stage by stage. Those measures hold the key to successful development of the oilfield.

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Opinions on “Gas Scarcity” Zha Quanheng 2018, 37(2): 51-55.  DOI: 10.3969/j.issn.1002-302x.2018.02.010 Abstract ( )   PDF (1128KB) ( )   “Gas scarcity” took place in the warm winter of 2017-2018, exposing the shortcomings of China’s oil and gas supply system. This scarcity affects the country’s energy security and the inadequate efforts by the government for “highefficiency and unified nationwide supply and careful plans for the future”. This article introduces the energy policies implemented by the United States and other developed countries for energy independence as well as their effective measures and successful experiences in securing energy import and tapping the domestic energy potentials. It points out that China should focus on five relations to secure oil and gas supplies and keep the sky blue. They are the relations of oil and gas with other energy, the relations between domestic and foreign resources, the relations of oil and gas production with reserves, the relations of conventional oil and gas with inconventional oil and gas, and the relations between State-owned oil and gas enterprises and private oil and gas enterprises.

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Trend and Enlightenment for Global Petroleum Engineering R&D Management Yan Na, Wang Minsheng, Zhang Dajun 2018, 37(2): 56-63.  DOI: 10.3969/j.issn.1002-302x.2018.02.011 Abstract ( )   PDF (1828KB) ( )   Petroleum engineering R&D management faces more motivations for investment and more resources in the depressing time of petroleum engineering market to confront with the challenge from rapid technological development. The participants (ultimate user, technological integrator, technological innovator, technological investor) pay attention to the different things in the different stages of technological development. Coordination of the relations and interests among the participants becomes an important part of R&D management. The international oilfield service sector has seen some new trends for R&D management in response to low oil prices, such as making more rapid response to a client’s demands, accelerating multilateral cooperation in a more liberal way, using assessment tools on the basis of technological maturity assessment to reduce development risks, seeking the cooperative R&D patterns with appraisal and criterion-making organs to promote technological integration progress, and focusing on merger and coordination after acquisition of firms and technologies to improve technological R&D competence. This article also suggests that China’s oilfield service enterprises should emancipate their minds, improve their ability for design of technological commercial pattern and establish the flexible organizational structure and operational mechanism.