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Recent Natural Gas Industry B Articles

Recently published articles from Natural Gas Industry B.

New understandings and potential of Sinian–Lower Paleozoic natural gas exploration in the central Sichuan paleo-uplift, Sichuan Basin

Available online 16 February 2021
Chunchun Xu | Ping Shen | Yueming Yang | Luzi Zhao | Bing Luo | Long Wen | Kang Chen | Qi Ran | Yuan Zhong | Hanlin Peng

Since the Anyue Gasfield, located in the central Sichuan paleo-uplift of the Sichuan Basin, was discovered, great efforts have been made to work on natural gas exploration and discovery in the Sinian–Lower...

Risk prediction of non-equilibrium formation of natural gas hydrate in the wellbore of a marine gas/water-producing well

Available online 12 February 2021
Na Wei | Lin Jiang | Jinzhou Zhao | Shouwei Zhou | Liehui Zhang | Qingping Li | Wantong Sun | Haitao Li

Influenced by the low temperature of seawater, non-equilibrium formation of natural gas hydrate (hereinafter referred to as hydrate) in the wellbore of a gas/water-producing well is prominent, which...

A material balance based practical analysis method to improve the dynamic reserve evaluation reliability of ultra-deep gas reservoirs with ultra-high pressure

Available online 12 February 2021
Hedong Sun | Wen Cao | Jun Li | Wei Jia | Yuanjie Li | Yan Wu | Songbai Zhu | Xiaotao Fu | Min Yang | Guangren Meng

Ultra-deep major gas fields are typically characterized by high and ultra-high pressure, tight matrix and developed fractures, so the reserve estimation is of higher uncertainty. In order to accurately...

New progress and prospect of Middle Permian natural gas exploration in the Sichuan Basin

Available online 12 February 2021
Yueming Yang | Yu Yang | Long Wen | Xihua Zhang | Cong Chen | Kang Chen | Ya Zhang | Guidong Di | Hua Wang | Chen Xie

In recent years, natural gas exploration in the deep marine carbonates of the Sichuan Basin has been strengthened continuously. And based on the research results in the regional geological setting,...

Optimization of shale-gas horizontal well spacing based on geology–engineering–economy integration: A case study of Well Block Ning 209 in the National Shale Gas Development Demonstration Area

Available online 12 February 2021
Rui Yong | Cheng Chang | Deliang Zhang | Jianfa Wu | Haoyong Huang | Daijiao Jing | Jian Zheng

In order to maximize the resource utilization rate, it is common to adopt one-time overall deployment of well pattern to develop shale gas, and the design of horizontal well spacing is the key to the...

Discovery of carbonate source rock gas reservoir and its petroleum geological implications: A case study of the gas reservoir in the first member of Middle Permian Maokou Formation in the Fuling area, Sichuan Basin

Available online 12 February 2021
Dongfeng Hu | Liangjun Wang | Hanrong Zhang | Jinbao Duan | Wenqian Xia | Zhujiang Liu | Quanchao Wei | Kun Wang | Lei Pan

Carbonate rocks in the first member of the Middle Permian Maokou Formation in the Sichuan Basin (hereinafter “Mao 1 Member” for short) have been taken as a set of carbonate source rocks, and they have...

A new coal reservoir permeability model considering the influence of pulverized coal blockage and its application

Available online 12 February 2021
Juntai Shi | Jiayi Wu | Yexin Fang | Jiaguo Lu | Chenhong Hou | Xiangfang Li | Sui'an Zhang | Xianyue Xiong

In order to accurately predict the production performance of coalbed methane (CBM) wells and to formulate a reasonable production system, this paper established a coal reservoir permeability model considering...

Change laws of water invasion performance in fractured–porous water-bearing gas reservoirs and key parameter calculation methods

Available online 12 February 2021
Huaxun Liu | Shusheng Gao | Liyou Ye | Wenqing Zhu | Weiguo An

In order to develop fractured–porous water-bearing gas reservoirs efficiently, it is necessary to understand the change laws of water invasion performance. Based on the π theorem, this paper adopted...

Genetic mechanism of high-quality shale gas reservoirs in the Wufeng–LongmaxiFms in the Sichuan Basin

Available online 12 February 2021
Haikuan Nie | Zhiliang He | Guangxiang Liu | Wei Du | Ruyue Wang | Guangrong Zhang

The Upper Ordovician WufengFm and the Lower Silurian LongmaxiFm are important strata for shale gas exploration and development in the Sichuan Basin, but the genetic mechanism, evolutionary history and...

Interoperability of LNG terminals and gas pipeline networks

Available online 12 February 2021
Zihang Fu | Tongwen Shan | Yuxia Yang | Fang Liu

The interchangeability between natural gas of different sources and LNG have been concerned and tackled to a certain extent at home, and the interconnection of gas infrastructures including LNG terminals...

Key geological factors for shale gas accumulation in the Wufeng–Longmaxi Fms in the central Yangtze area

Available online 11 February 2021
Kongquan Chen | Junjun Li | Xiehua Tang | Junjun Shen | Pengwan Wang | Jun Peng | Jianghui Meng

The Upper Ordovician Wufeng Formation and the Lower Silurian Longmaxi Formation in the central Yangtze area of southern China has a good prospect of shale gas exploration. So far, however, its complicated...

Relationship between geological structure and marine shale gas preservation conditions in the western Middle Yangtze Block

December 2020
Kongquan Chen | Douzhong Zhang | Xiusong Tuo

Lower Paleozoic dark shale is developed in the western Middle Yangtze Block, which lays a material foundation for the enrichment and accumulation of marine shale gas. In order to ascertain the control...

Natural gas industry in China: Development situation and prospect

December 2020
Jian Li | Yuanqi She | Yang Gao | Mingpeng Li | Guiru Yang | Yanjun Shi

China's natural gas industry has entered a rapid development stage, and its supply, sales, storage and transport systems are continuously undergoing profound structural change. It is a major issue concerning...

Connotation and evaluation technique of geological integrity of UGSs in oil/gas fields

December 2020
Yali Zheng | Junchang Sun | Xiaosong Qiu | Xin Lai | Jiandong Liu | Zeping Guo | Huan Wei | Zhongshun Min

Whole-life-cycle integrity management of underground gas storages (UGSs) has been an important link to ensure its long-term safe and efficient operation. At present, the integrity of UGSs in oil/gas...

A calculation model for water breakthrough time of gas wells in gas reservoirs with edge water considering interlayer heterogeneity: A case study of the Lower Triassic Feixianguan gas reservoirs in the Puguang Gas Field

December 2020
Jiqiang Li | Shenyao Yang | Zhilin Qi | Guanqun Zhao | Bingyi Yin | Fei Mo

The existing models for calculating the water breakthrough time of gas wells in gas reservoirs with edge water ignore the effects of reservoir's interlayer heterogeneity, so their calculation results...

Construction and prospect of China's shale gas technical standard system

December 2020
Hong Yue | Honggang Chang | Yu Fan | Feng Chen | Pengfei Chen

Shale gas is as an emerging industry and its development is highly concerned in China. Under the guidance and support of national industrial policies, shale gas industry develops rapidly and has already...

Integrity tests of cement sheath for shale gas wells under strong alternating thermal loads

December 2020
Yuanhua Lin | Kuanhai Deng | Hao Yi | Dezhi Zeng | Liang Tang | Qi Wei

During large-scale hydraulic fracturing in shale gas horizontal wells, a cement sheath easily loses its integrity due to the fluctuation and continuous change of wellbore temperature and pressure and...

Mechanism of wellbore instability in continental shale gas horizontal sections and its water-based drilling fluid countermeasures

December 2020
Bo Wang | Jinsheng Sun | Feng Shen | Wei Li | Wenzhe Zhang

The wellbore instability in the horizontal sections of continental shale gas wells in the Ordos Basin is a major engineering and technical problem that restricts the exploration and development of the...

Brazilian tensile failure characteristics of marine shale under the hydration effect of different fluids

December 2020
Hai Yang | Xiaozhi Shi | Congbin Yin | Xing Liang | Jinzhou Zhao | Junlong Li | Juhui Zhu | Zhoumei Geng | Zhou Wu | Ran Li

In this paper, shale gas cores from the Lower Silurian Longmaxi Formation in the Zhaotong National Shale Gas Demonstration Area were selected to study the hydration effect of different fluids on the...

A new method for evaluating the unstable deliverability of gas wells in gas formation testing phase

December 2020
Xi Feng | Xian Peng | Qian Li | Xiaoliang Zhao | Ping Zhang | Deng Pan

Predicting the deliverability change laws of a gas well in the early stage is one of the technical difficulties in natural gas development. The commonly used steady seepage analysis methods have relatively...

Application of electric drive fracturing equipment in shale gas reservoir stimulation

December 2020
Bin Zhang | Lei Li | Yongchao Qiu | Qiping Dai | Shuangpeng Li | Youchao Deng

Fracturing equipment is the core device in shale gas reservoir stimulation. As domestic shale gas exploration and development steps into deep layers, the development of fracturing technology puts forward...

Law of imbibition effect on shale gas occurrence state

December 2020
Zhiming Hu | Ying Mu | Zhaobin Gu | Xianggang Duan | Yalong Li

So far, how imbibition effect changes the occurrence state of shale gas has not been quantitatively understood, and the law of gas–water dynamic displacement caused by the retention of abundant fracturing...

A Logical Growth Model considering the influence of shale gas reservoirs and development characteristics

December 2020
Qun Zhao | Hongyan Wang | Qinping Sun | Xinchun Jiang | Rongze Yu | Lixia Kang | Xuefan Wang

As shale gas development is advancing continuously and rapidly, how to deeply analyze the production performance of shale gas wells and evaluate their production characteristics has become an urgent...

A semianalytical well-testing model of fracture-network horizontal wells in unconventional reservoirs with multiple discretely natural fractures

December 2020
Zhiming Chen | Xinwei Liao | Wei Yu

Microseismic data shows that some unconventional reservoirs comprise well-developed natural fractures and complex hydraulic fracture networks. It is neither practical nor advantageous to simulate a...

An innovative concept on deep carbonate reservoir stimulation: Three-dimensional acid fracturing technology

October 2020
Jianchun Guo | Bo Gou | Nan Qin | Junsheng Zhao | Lin Wu | Kunjie Wang | Jichuan Ren

Acid fracturing is an indispensable technology in the efficient development of carbonate oil and gas reservoirs. As for deep and ultra-deep marine carbonate oil and gas reservoirs, however, existing...

High-quality development of ultra-deep large gas fields in China: Challenges, strategies and proposals

October 2020
Xizhe Li | Zhenhua Guo | Yong Hu | Xiaohua Liu | Yujin Wan | Ruilan Luo | Yuping Sun | Mingguang Che

Natural gas from ultra-deep reservoirs has been a major contributor for reserves boost, deliverability construction, and profits growth in natural gas industry in China. As a significant strategic domain...

Exploration status of the deep Sinian strata in the Sichuan Basin: Formation conditions of old giant carbonate oil/gas fields

October 2020
Wenzhi Zhao | Zecheng Wang | Hua Jiang | Xiaodong Fu | Wuren Xie | Anna Xu | Anjiang Shen | Shuyuan Shi | Shipeng Huang | Qingchun Jiang

To construct a giant Sichuan gas province, it is in an urgent need of exploring new replacement areas with abundant natural gas resources and great exploration potential. In this paper, the formation...

Application of the combination of high-pressure mercury injection and nuclear magnetic resonance to the classification and evaluation of tight sandstone reservoirs: A case study of the Linxing Block in the Ordos Basin

October 2020
Xingxing Kong | Dianshi Xiao | Shu Jiang | Shuangfang Lu | Bin Sun | Jingming Wang

Tight sandstone gas reservoirs have poorer porosity–permeability relationships, so conventional reservoir classification schemes can hardly satisfy the classification and evaluation demand of this type...

Design and plugging property of composite pressure activated sealant

October 2020
Lin Xu | Mengchen Jiang | Jie Xu | Mingbiao Xu | Shuang Meng | Dongxu Wang

Pressure activated sealant (PAS), as a novel kind of sealing fluid, can provide rapid and self-adapting repair on the tiny damage of static seals (e.g., screws and pipelines) while encountering pressure...

A new well test interpretation model for complex fracture networks in horizontal wells with multi-stage volume fracturing in tight gas reservoirs

October 2020
Weiping Ouyang | Hedong Sun | Hongxu Han

Multi-stage volume fracturing of horizontal wells is the main means to develop tight gas reservoirs. Complex fracture networks of various shapes are generated around the wellbore after volume fracturing....

Formation mechanisms of deep and ultra-deep over pressure caprocks and their relationships with super-large gas fields in the petroliferous basins of China

October 2020
Wei Li | Ziliang Yu | Xueke Wang | Zhichao Yu | Xuesong Lu | Qingfu Feng

Super-large natural gas fields have been discovered in the deep and ultra-deep layers of onshore and offshore petroliferous basins in China since the beginning of the 21st century, and the geological...

Drilling and completion technologies for deep carbonate rocks in the Sichuan Basin: Practices and prospects

October 2020
Xianzhu Wu | Fulei Wan | Zuo Chen | Liexiang Han | Zhilin Li

The exploration and development of oil and gas resources in the Sichuan Basin is shifting to the deeper strata. The deep and ultra-deep wells in deep carbonate gas reservoirs are faced with many difficulties,...

Reservoir space and potential reservoir-formation areas in deep bedrock gas reservoirs in Altun forelands, Qaidam Basin: Recognition and discussion

October 2020
Jiangtao Li | Suotang Fu | Renyi Wang | Yingru Liu | Haicheng Wang | Wenbo Ao | Teng Ma

The discovery of deep bedrock gas reservoirs in Altun forelands in the Qaidam Basin has expanded a new field of natural gas exploration and development in China. Since then, it has always been believed...

Deep and ultra-deep natural gas exploration in the Sichuan Basin: Progress and prospect

October 2020
Xusheng Guo | Dongfeng Hu | Renchun Huang | Zhihong Wei | Jinbao Duan | Xiangfeng Wei | Xiaojun Fan | Zhiwei Miao

In recent years, major breakthroughs have been made in natural gas exploration in deep and ultra-deep strata in the Sichuan Basin, but the overall successful rate is low. To further clarify the prospects...

Control effects of temperature and thermal evolution history of deep and ultra-deep layers on hydrocarbon phase state and hydrocarbon generation history

October 2020
Zhanli Ren | Junping Cui | Kai Qi | Guilin Yang | Zhanjun Chen | Peng Yang | Kun Wang

Deep and ultra-deep layers in the petroliferous basins of China are characterized by large temperature difference and complicated thermal evolution history. The control effects of temperature and thermal...

Influencing factors and future trends of natural gas demand in the eastern, central and western areas of China based on the grey model

October 2020
Jianliang Wang | Nu Li

Due to the various ecological environment, economic development and resources, the main influencing factors of natural gas consumption are different in the eastern, central and western areas of China....

Simulation of fracture propagation and optimization of ball-sealer in-stage diversion under the effect of heterogeneous stress field

October 2020
Tong Zhou | Ming Chen | Shicheng Zhang | Yuanzhao Li | Fengxia Li | Chi Zhang

Ball-sealer in-stage diversion in horizontal wells is a key technique to realize the uniform stimulation of fractured sections in tight oil and gas reservoirs. So far, however, there are fewer research...

Connotations of scientific development of giant gas fields in China

October 2020
Caineng Zou | Jianlin Guo | Ailin Jia | Yunsheng Wei | Haijun Yan | Chengye Jia | Haifa Tang

A giant gas field refers to a gas field with proved geological reserves of natural gas more than 30 billion cubic meters, peak annual output of natural gas more than 1 billion cubic meters, and a certain...

Innovation and practice of key technologies for the efficient development of the supergiant Anyue Gas Field

August 2020
Jun Xie

In recent years, the Sichuan Basin has been the most potential hydrocarbon-bearing basin in China thanks to the great exploration and development breakthroughs of deep large integral carbonate gas reservoirs...

Connectivity of pores in shale reservoirs and its implications for the development of shale gas: A case study of the Lower Silurian Longmaxi Formation in the southern Sichuan Basin

August 2020
Haijie Zhang | Yuqiang Jiang | Keming Zhou | Yonghong Fu | Zheng Zhong | Xuemei Zhang | Lin Qi | Zhanlei Wang | Zengzheng Jiang

The unconnected gas-bearing pores in shale gas reservoirs may be transformed into “potential recoverable pores” after large scale hydraulic fracturing. However, the mainstream pore classification methods...

A new multi-disciplinary integrated steering technology for horizontal wells in tight sandstone gas reservoirs: A case study of the Ordos Basin

August 2020
Shixiang Fei | Yubin Du | Yijun Wang | Nan Chen | Yang Gao | Shuhui Wang | Liu He

The sandstone layers of the Upper Paleozoic tight clastic gas reservoirs in the Ordos Basin are generally distributed in a pattern of nearly NS strip, and the channel branches and intersects frequently....

On the scientific exploitation of high-rank CBM resources

August 2020
Qingzhong Zhu | Yanhui Yang | Yinqing Zuo | Yang Song | Wei Guo | Feng Tang | Jie Ren | Gang Wang

After over 10 years' development of coalbed methane (CBM) industry in China, two industrial bases have been built, i.e., the Qinshui Basin and the Ordos Basin. However, the biggest problem that restricts...

A prediction model for the critical liquid-carrying velocity of gas–liquid stratified flow in micro-tilting line pipes with low liquid contents

August 2020
Jie Pan | Xuelei Pu | Wujie Wang | Minmin Yan | Liangliang Wang

Wet gas can form liquid loading at the lower line pipe sections, so the transportation efficiency will be impacted and the line pipes will be corroded and even blocked. Therefore, to accurately predict...

Numerical simulation on the migration and deposition of micron-sized sand particles in the helical tube section during hydrate production tests

August 2020
Yinao Su | Ye Chen | Xiaofeng Sun | Tie Yan | Jingyu Qu | Ruixi Duan

In the exploitation process of offshore natural gas hydrate (“hydrate” for short), it is necessary to take into consideration the wear of wellbore equipment caused by micron-sized sand particles after...

Stimulation experiment of horizontal wells filled with permeable and water-blocking gravel in deepsea bottom-water gas reservoirs

August 2020
Yikun Liu | Haidong Wang | Wenbo Meng | Chong Zhang | Jiqiang Zhi | Anqi Shen

In order to find an economic and effective water control method for horizontal wells in deep sea bottom-water gas reservoirs, we prepared modified coated gravel. Based on this, wear resistance, temperature...

Characteristics, genetic mechanism and oil & gas exploration significance of high-quality sandstone reservoirs deeper than 7000 m: A case study of the Bashijiqike Formation of Lower Cretaceous in the Kuqa Depression, NW China

August 2020
Qinglu Zeng | Tao Mo | Jilong Zhao | Yongliang Tang | Ronghu Zhang | Jiufeng Xia | Chunlei Hu | Lingling Shi

Ultra-deep clastic reservoirs generally have poor physical properties and low single-well productivity, but Well BZ9, which is newly drilled in the Kuqa Depression of Tarim Basin, NW China, encounters...

Natural gas measurement technology system and its prospect in China

August 2020
Honggang Chang | Jiqin Duan

Natural gas measurement is an important basic job in national, social and economic development, and accurate and reliable measurement is an important guarantee for promoting the rapid development of...

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