Petroleum Science最新文献

{"title":"TOC","authors":"","doi":"10.1016/S1995-8226(25)00080-9","DOIUrl":"10.1016/S1995-8226(25)00080-9","url":null,"abstract":"","PeriodicalId":19938,"journal":{"name":"Petroleum Science","volume":"22 3","pages":"Pages i-ii"},"PeriodicalIF":6.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143760316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dynamic reservoir monitoring using similarity analysis of passive source time-lapse seismic images: Application to waterflooding front monitoring in Shengli Oilfield, China","authors":"Ying-He Wu ,&nbsp;Shu-Lin Pan ,&nbsp;Hai-Qiang Lan ,&nbsp;Jing-Yi Chen ,&nbsp;José Badal ,&nbsp;Yao-Jie Chen ,&nbsp;Zi-Lin Zhang ,&nbsp;Zi-Yu Qin","doi":"10.1016/j.petsci.2024.12.008","DOIUrl":"10.1016/j.petsci.2024.12.008","url":null,"abstract":"<div><div>In common practice in the oil fields, the injection of water and gas into reservoirs is a crucial technique to increase production. The control of the waterflooding front in oil/gas exploitation is a matter of great concern to reservoir engineers. Monitoring the waterflooding front in oil/gas wells plays a very important role in adjusting the well network and later in production, taking advantage of the remaining oil potential and ultimately achieving great success in improving the recovery rate. For a long time, microseismic monitoring, numerical simulation, four-dimensional seismic and other methods have been widely used in waterflooding front monitoring. However, reconciling their reliability and cost poses a significant challenge. In order to achieve real-time, reliable and cost-effective monitoring, we propose an innovative method for waterflooding front monitoring through the similarity analysis of passive source time-lapse seismic images. Typically, passive source seismic data collected from oil fields have extremely low signal-to-noise ratio (SNR), which poses a serious problem for obtaining structural images. The proposed method aims to visualize and analyze underground changes by highlighting time-lapse images and provide a strategy for underground monitoring using long-term passive source data under low SNR conditions. First, we verify the feasibility of the proposed method by designing a theoretical model. Then, we conduct an analysis of the correlation coefficient (similarity) on the passive source time-lapse seismic imaging results to enhance the image differences and identify the simulated waterflooding fronts. Finally, the proposed method is applied to the actual waterflooding front monitoring tasks in Shengli Oilfield, China. The research findings indicate that the monitoring results are consistent with the actual development conditions, which in turn demonstrates that the proposed method has great potential for practical application and is very suitable for monitoring common development tasks in oil fields.</div></div>","PeriodicalId":19938,"journal":{"name":"Petroleum Science","volume":"22 3","pages":"Pages 1062-1079"},"PeriodicalIF":6.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143760323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Study on the mass transfer characteristics of hydrogen in heavy oil by a modified dynamic pressure step method","authors":"Tao Jiang ,&nbsp;Fei Yu ,&nbsp;Qian-Min Jiang ,&nbsp;Yan-Xin Song ,&nbsp;Qing-Feng Tan ,&nbsp;Wu Su ,&nbsp;Xu Yang ,&nbsp;Zhen-Tao Chen ,&nbsp;Chun-Ming Xu","doi":"10.1016/j.petsci.2024.09.026","DOIUrl":"10.1016/j.petsci.2024.09.026","url":null,"abstract":"<div><div>The dissolved hydrogen, rather than gaseous hydrogen, plays a crucial role in the hydrogenation process. A thorough understanding of hydrogen dissolution is essential for optimizing the hydrogenation process. In this paper, the dynamic pressure step method was modified to reduce the temperature difference between the hydrogen and solution, from which the hydrogen solubility and volumetric liquid-side mass transfer coefficient (<em>k</em>_L<em>a</em>) of the vacuum residue were obtained. It was discovered that temperature was the most critical factor in hydrogen dissolution, simultaneously enhancing both the hydrogen solubility and <em>k</em>_L<em>a</em>. Pressure played a significant role in promoting hydrogen solubility, but had a relatively small impact on <em>k</em>_L<em>a</em>. Stirring speed, although it enhanced <em>k</em>_L<em>a</em>, did not affect hydrogen solubility. By normalizing the dissolution parameter, the results showed that the gas-liquid mass transfer rate decreased continuously during hydrogen dissolution and that the <em>S</em>_D-<em>t</em>_D curves after normalization were almost the same in all experimental conditions.</div></div>","PeriodicalId":19938,"journal":{"name":"Petroleum Science","volume":"22 3","pages":"Pages 1360-1369"},"PeriodicalIF":6.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143760151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mesoporogen-free synthesis of hierarchical SAPO-11 from kaolin for hydroisomerization of n-alkanes","authors":"Chan Wang ,&nbsp;Zhao-Quan Chi ,&nbsp;Shu Liu ,&nbsp;Si-Jia Tan ,&nbsp;Jing-Dong Xu ,&nbsp;Tie-Sen Li ,&nbsp;Ting-Hai Wang ,&nbsp;Yuan-Yuan Yue","doi":"10.1016/j.petsci.2024.10.009","DOIUrl":"10.1016/j.petsci.2024.10.009","url":null,"abstract":"<div><div>Hierarchical SAPO-11, featuring both micropore and mesopore channels, demonstrates an outstanding performance in high-octane gasoline production. In this work, we propose an economic and effective approach to directly fabricate hierarchical SAPO-11 molecular sieve from natural kaolin, eliminating the need for mesoporogens. The systematic characterization results show that the kaolin-derived SAPO-11 possesses abundant micro-mesoporous structure and more Brønsted (B) acid sites on the external surface in contrast with the conventional SAPO-11 prepared employing silica sol as silicon source as well as SAPO-11 synthesized with the assist with of poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethylene oxide) (F127). The analysis of the formation process reveals that the kaolin not only provides silicon source for the SAPO-11 crystal growth, but also offers confined environment for crystal growth along the preferential orientation, resulting in the generation of the microporous and mesoporous structure. Benefiting from these unique properties, the kaolin-derived Pt/SAPO-11 exhibits considerably improved selectivity for di-branched C₈ isomers in <em>n</em>-octane hydroisomerization.</div></div>","PeriodicalId":19938,"journal":{"name":"Petroleum Science","volume":"22 3","pages":"Pages 1370-1379"},"PeriodicalIF":6.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143760152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Geological-engineering comprehensive evaluation model and application of feasibility of hydraulic fracturing in hydrate-bearing sediments","authors":"Tian-Kui Guo ,&nbsp;Lin-Rui Xue ,&nbsp;Ming Chen ,&nbsp;Bo Zhang ,&nbsp;Zhen-Tao Li ,&nbsp;Wen-Jie Huang ,&nbsp;Xiao-Qiang Liu ,&nbsp;Zhan-Qing Qu","doi":"10.1016/j.petsci.2024.12.007","DOIUrl":"10.1016/j.petsci.2024.12.007","url":null,"abstract":"<div><div>Natural gas hydrates (hereinafter referred to as hydrates) are a promising clean energy source. However, their current development is far from reaching commercial exploitation. Reservoir stimulation technology provides new approaches to enhance hydrate development effectiveness. Addressing the current lack of quantitative and objective methods for evaluating the fracability of hydrate reservoirs, this study clarifies the relationship between geological and engineering fracability and proposes a comprehensive evaluation model for hydrate reservoir fracability based on grey relational analysis and the criteria importance through intercriteria correlation method. By integrating results from hydraulic fracturing experiments on hydrate sediments, the fracability of hydrate reservoirs is assessed. The concept of critical construction parameter curves for hydrate reservoirs is introduced for the first time. Additionally, two-dimensional fracability index evaluation charts and three-dimensional fracability construction condition discrimination charts are established. The results indicate that as the comprehensive fracability index increases, the feasibility of forming fractures in hydrate reservoirs improves, and the required normalized fracturing construction parameters gradually decrease. The accuracy rate of the charts in judging experimental results reached 89.74%, enabling quick evaluations of whether hydrate reservoirs are worth fracturing, easy to fracture, and capable of being fractured. This has significant engineering implications for the hydraulic fracturing of hydrate reservoirs.</div></div>","PeriodicalId":19938,"journal":{"name":"Petroleum Science","volume":"22 3","pages":"Pages 1140-1154"},"PeriodicalIF":6.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143760229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Research on the pollution and damage mechanism of drilling fluid on casing during ultra-deep well drilling process","authors":"Han-Xuan Song ,&nbsp;Shi-Ling Zhang ,&nbsp;Xiang-Wei Chen ,&nbsp;Kiyingi Wyclif ,&nbsp;Ji-Xiang Guo ,&nbsp;Rui-Ying Xiong ,&nbsp;Li Wang","doi":"10.1016/j.petsci.2024.12.019","DOIUrl":"10.1016/j.petsci.2024.12.019","url":null,"abstract":"<div><div>In drilling ultra-deep wells, the drilling fluid circulation usually causes erosion damage to downhole casing and drilling tools. However, the extent and process of this damage to the downhole tools is intricate and less understood. In order to systematically evaluate and clarify this damage process for different types of drilling fluid contamination, this research uses a high-temperature drilling fluid damage device to simulate the damage caused to the casing/drilling tools by various drilling fluid under a field thermal gradient. The results show that the drilling fluid residues are mainly solid-phase particles and organic components. The degree of casing/tool damage decreases with an increase in bottom hole temperature, and the casing/tool is least damaged within a temperature range of 150–180 °C. Moreover, the surface of the casing/tool damaged by different types of drilling fluid shows different roughness, and the wettability of drilling fluid on the casing/tool surface increases with an increase in the degree of roughness. Oil-based drilling fluid have the strongest adhesion contamination on casing/drilling tools. In contrast, polysulfonated potassium drilling fluid and super-micro drilling fluid have the most potent erosion damage on casing/drilling tools. By analyzing the damage mechanism, it was established that the damage was mainly dominated by the abrasive wearing from solid-phase particles in concert with corrosion ions in drilling fluid, with solids producing many abrasion marks and corrosive ions causing a large number of pits. Clarifying drilling fluid's contamination and damage mechanism is significant in guiding the wellbore cleaning process and cutting associated costs.</div></div>","PeriodicalId":19938,"journal":{"name":"Petroleum Science","volume":"22 3","pages":"Pages 1234-1251"},"PeriodicalIF":6.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143760145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Coupling analysis of transient cuttings transport and tubular mechanical behaviors in extended-reach drilling","authors":"Jun Zhao ,&nbsp;Wen-Jun Huang ,&nbsp;De-Li Gao ,&nbsp;Wen-Long Li","doi":"10.1016/j.petsci.2025.01.003","DOIUrl":"10.1016/j.petsci.2025.01.003","url":null,"abstract":"<div><div>It is generally believed that cuttings have a significant impact on the forces of tubular string in extended-reach drilling. However, there are few studies attempted to investigate and quantify it. In this paper, a three-layer transient model for cuttings transport is established to simulate the characteristics of dynamic cuttings transport over time under various conditions. The simulation results indicate that the change in drilling parameters like <em>ROP</em> (rate of penetration) and flow rate of drilling fluid will lead to the non-uniform distribution of cuttings bed. And the alternation of drilling and circulation will lead to a clear wavy distribution of cuttings bed in the wellbore. Then, the effect of cuttings on tubular string is obtained through a large number of numerical simulations and the nonlinear regression method, and this influence is introduced into the conventional stiff rod model of tubular string. Finally, the transient model for cuttings transport is coupled with the modified tubular mechanic model and applies to a case study of extended-reach drilling. The results show that there is a delay effect for the effect of the changes in drilling parameters on the ground torques because the changes in drilling parameters occur instantaneously, while the changes in cuttings bed distribution are slow due to its low transport velocity. Based on the coupling analysis of transient cuttings transport and tubular mechanical behaviors, the drilling parameters are optimized, including the recommended adjustment period and adjustment range for the <em>ROP</em>, the proper drilling time for the increased flow rate. Furthermore, the circulation and back reaming are optimized. For circulation, the keys are choosing appropriate time interval between the two adjacent circulations and the time for each circulation. To avoid pipe stuck, at least 20 min of circulation is required to remove the cuttings bed near the large-sized BHA ((Bottom Hole Assembly)) before back reaming, and the maximum back reaming velocity should be smaller than the minimum transport velocity of the uniform bed.</div></div>","PeriodicalId":19938,"journal":{"name":"Petroleum Science","volume":"22 3","pages":"Pages 1252-1269"},"PeriodicalIF":6.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143760146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Experimental study of EOR mechanisms of non-chemical CO2 microbubbles and their impact on pore structures","authors":"Hao-Wei Jia ,&nbsp;Hai-Yang Yu ,&nbsp;Rui Ma ,&nbsp;Peng Song ,&nbsp;Zhou Yuan ,&nbsp;Jing-Pu Zhang ,&nbsp;Tao Huang ,&nbsp;Jun Lu ,&nbsp;Yang Wang","doi":"10.1016/j.petsci.2025.01.001","DOIUrl":"10.1016/j.petsci.2025.01.001","url":null,"abstract":"<div><div>Non-chemical CO₂ microbubbles as a mobility control technology in enhanced oil recovery (EOR) and carbon sequestration are becoming attractive. In this study, the EOR mechanisms of non-chemical CO₂ microbubble (MB) in low permeability reservoirs are experimentally investigated by the nuclear magnetic resonance (NMR) technology. This study reveals, for the first time, the EOR mechanisms of MB in a heterogeneous reservoir and its effect on pore structure. First, mobility reduction factors of MB with various gas–liquid ratios were determined, with MB at a gas–liquid ratio of 1 exhibiting the best performance under experimental conditions. Second, the coreflood experiments with NMR scanning were performed to reveal the EOR mechanisms of MB. It was observed that MB achieved an incremental oil recovery of 13.49% and 22.80% in the core sample with a permeability of 9.51 × 10⁻³ and 2.23 × 10⁻³ μm², respectively. Benefiting from MB's conformance control, the total oil recovery was increased from 38.34% to 54.57% of original oil in place by MB in parallel core flood experiments. Third, the NMR tests demonstrated that MB significantly reduced residual oil in core samples, especially in small pore areas, which highlights the improvement of sweep efficiency by MB. Lastly, the effect of MB on pore structure was studied. The NMR tests indicated a significant increase in pore space after 1 pore volume of MB flooding. Minerals in the core sample were dissolved, leading to an increase in permeability and porosity of the core sample by 17.01% and 0.31%, respectively. Overall, the results of this study provide valuable insights into the EOR mechanisms of MB at the pore scale and offer implications for EOR and carbon sequestration in low-permeability reservoirs.</div></div>","PeriodicalId":19938,"journal":{"name":"Petroleum Science","volume":"22 3","pages":"Pages 1214-1224"},"PeriodicalIF":6.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143760233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Far-field radiation patterns of distributed acoustic sensing in anisotropic media with an explosive source and vertically straight fiber","authors":"Le-Le Zhang ,&nbsp;Yang Zhao ,&nbsp;Lu Liu ,&nbsp;Ge Jin ,&nbsp;Cheng-Gang Xian ,&nbsp;Zhi-Peng Ning ,&nbsp;Chuang-Yang Wang","doi":"10.1016/j.petsci.2024.10.003","DOIUrl":"10.1016/j.petsci.2024.10.003","url":null,"abstract":"<div><div>Distributed acoustic sensing (DAS) is increasingly used in seismic exploration owing to its wide frequency range, dense sampling and real-time monitoring. DAS radiation patterns help to understand angle response of DAS records and improve the quality of inversion and imaging. In this paper, we solve the 3D vertical transverse isotropic (VTI) Christoffel equation and obtain the analytical, first-order, and zero-order Taylor expansion solutions that represent P-, SV-, and SH-wave phase velocities and polarization vectors. These analytical and approximated solutions are used to build the P/S plane-wave expression identical to the far-field term of seismic wave, from which the strain rate expressions are derived and DAS radiation patterns are thus extracted for anisotropic P/S waves. We observe that the gauge length and phase angle terms control the radiating intensity of DAS records. Additionally, the Bond transformation is adopted to derive the DAS radiation patterns in title transverse isotropic (TTI) media, which exhibits higher complexity than that of VTI media. Several synthetic examples demonstrate the feasibility and effectiveness of our theory.</div></div>","PeriodicalId":19938,"journal":{"name":"Petroleum Science","volume":"22 2","pages":"Pages 641-652"},"PeriodicalIF":6.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143549483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intelligent seismic AVO inversion method for brittleness index of shale oil reservoirs","authors":"Yu-Hang Sun ,&nbsp;Hong-Li Dong ,&nbsp;Gui Chen ,&nbsp;Xue-Gui Li ,&nbsp;Yang Liu ,&nbsp;Xiao-Hong Yu ,&nbsp;Jun Wu","doi":"10.1016/j.petsci.2024.09.024","DOIUrl":"10.1016/j.petsci.2024.09.024","url":null,"abstract":"<div><div>The brittleness index (BI) is crucial for predicting engineering sweet spots and designing fracturing operations in shale oil reservoir exploration and development. Seismic amplitude variation with offset (AVO) inversion is commonly used to obtain the BI. Traditionally, velocity, density, and other parameters are firstly inverted, and the BI is then calculated, which often leads to accumulated errors. Moreover, due to the limited of well-log data in field work areas, AVO inversion typically faces the challenge of limited information, resulting in not high accuracy of BI derived by existing AVO inversion methods. To address these issues, we first derive an AVO forward approximation equation that directly characterizes the BI in P-wave reflection coefficients. Based on this, an intelligent AVO inversion method, which combines the advantages of traditional and intelligent approaches, for directly obtaining the BI is proposed. A TransU-net model is constructed to establish the strong nonlinear mapping relationship between seismic data and the BI. By incorporating a combined objective function that is constrained by both low-frequency parameters and training samples, the challenge of limited samples is effectively addressed, and the direct inversion of the BI is stably achieved. Tests on model data and applications on field data demonstrate the feasibility, advancement, and practicality of the proposed method.</div></div>","PeriodicalId":19938,"journal":{"name":"Petroleum Science","volume":"22 2","pages":"Pages 627-640"},"PeriodicalIF":6.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143549486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}