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深圳西丽高铁枢纽建设迎新进展 既有地铁线间施工获突破,深圳西丽高铁枢纽建设迎新进展 既有地铁线间施工获突破_我的网站

一 |     　　深圳8月25日电 (记者 王坚)据深圳西丽高铁枢纽建设项目25日消息，深圳西丽站3标项目既有地铁13号线119根线间工程桩施工近日全部完成。桩基施工在不影响地铁正常运营的前提下，攻克高密度运营地铁邻近施工难题，为后续西丽枢纽国铁站房主体工程施工奠定基础。　　据介绍，新建深圳西丽站坐落于深圳市南山区，总建筑面积91.44万平方米，核心建设内容为“一站多场一平台”，包含13台25线主站场、东西站前广场等设施，同步配套建设轨交、市政、商业等相关设施。

二 | 该项目是国内首个高铁上盖绿色生态公园，也是国家级站城融合TOD示范工程；建成后将形成“4高铁+2城际+4地铁”多层次立体轨道交通网络，可带动深圳铁路客运整体运力提升约40%，对完善粤港澳大湾区综合交通格局、赋能区域高质量发展具有深远意义。

三 | 　　深圳地铁13号线自2025年12月28日通车以来，保持着行车间隔不足5分钟、日均客流50.1万人次的高密度、大客流运营状态。    Exxon Mobil is buying Pioneer Natural Resources in an all-stock deal valued at $59.5 billion, its largest buyout since acquiring Mobil two decades ago, creating a colossal fracking operator in West Texas. Including debt, Exxon is committing about $64.5 billion to the acquisition, leaving no doubt of the Texas energy company's commitment to fossil fuels as energy prices surge. Pioneer shareholders will receive 2.32 shares of Exxon for each Pioneer share they own.“I think fossil fuels, as the world looks to transition and find lower sources of affordable energy with lower emissions, fossil fuels oil and gas are going to continue to play a role over time,” Exxon Mobil CEO Darren Woods said during an interview with CNBC. “ That may diminish with time. The rate of that is, I think, not very clear at this stage. But it will be around for a long time.” Woods explained that Exxon and Pioneer will be able to use their combined capabilities to drive down emissions and produce lower carbon intensity oil and gas. Exxon purchased XTO Energy in 2009 for approximately $36 billion. In the late 1990s, the merger between Exxon and Mobil was valued around $80 billion.The deal with Pioneer Natural vastly expands Exxon's presence in the Permian basin, a massive oilfield that straddles the border between Texas and New Mexico. Drilling the Permian accounted for 18% of all U.S. natural gas production last year, according to the U.S. Energy Information Administration.Pioneer's more than 850,000 net acres in the Midland Basin will be combined with Exxon’s 570,000 net acres in the Delaware and Midland Basin, nearly contiguous fields that will allow the combined company to trim costs. That is a big driver of the deal. Natural gas rigs in operation have declined over 26% in the U.S. since the start of the year, according to government data, largely due to the rising costs for drilling materials and labor over the past two years. “Their tier-one acreage is highly contiguous, allowing for greater opportunities to deploy our technologies, delivering operating and capital efficiency as well as significantly increasing production,” Woods said of Pioneer in a prepared statement. The company will have an estimated 16 billion barrels of oil equivalent in the Permian.Once the deal closes, Exxon Permian production volume will more than double to 1.3 million barrels of oil equivalent per day, based on 2023 volumes. It's expected to climb to about 2 million barrels of oil equivalent per day in 2027. “The combination of ExxonMobil and Pioneer creates a diversified energy company with the largest footprint of high-return wells in the Permian Basin,” Pioneer CEO Scott Sheffield said in a prepared statement. Citi's Alastair Syme wrote that the transaction could provide multiple benefits to Exxon. “Across the industry, the logic of consolidation in the highly fragmented Permian shale remains compelling with significant gains to be achieved from economies of scale by minimizing facilities spend, optimizing drilling and reducing" general spending, Syme wrote. Exxon is flush with cash. The company posted unprecedented profits last year of $55.7 billion, breezing past its previous record of $45.22 billion in 2008 when oil prices hit record highs.Exxon Mobil Corp. has been using some of that cash on acquisitions. In July the company announced that it was buying pipeline operator Denbury in an all-stock deal valued at $4.9 billion.Pioneer Natural has been making similar maneuvers. In 2020 the company said it was buying Parsley Energy in an all-stock deal valued at approximately $4.5 billion. It then purchased DoublePoint Energy in a cash-and-stock deal worth about $6.4 billion in 2021.The boards of both companies have approved the transaction, which is expected to close in the first half of next year. It still needs approval from Pioneer shareholders. Shares of Exxon fell more than 4% in Wednesday morning trading.。中铁七局深圳西丽站3标119根线间工程桩均为地铁13号线运营期施工，项目面临施工空间狭小、安全风险极高、零运营干扰、施工精度严苛的多重挑战。

四 | 　　据了解，涉铁工程桩是轨道交通枢纽改扩建的核心基础工程，承担新建站房、配套结构的荷载支撑作用，同时稳固沿线土体。运营期涉铁桩基施工要求极为严格，全程保障轨道交通结构安全与行车秩序，是新旧枢纽工程衔接建设的关键核心工序。　　面对复杂工况与严苛要求，项目团队创新采用“全回转钻机下护筒、取土+气举反循环钻机钻岩”组合工艺，并同步搭建智能化立体监测体系，实现对既有地铁结构的亚毫米级实时监测、动态预警与全程管控。

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