???? 據美國油價網報道，在評估了今年全球最有前途的專注石油的勘探井之后，現在是確定今年全球最有潛力的天然氣初探井的時候了。要忘記并放棄去年帶來的所有困難并不容易——與2019年相比，去年全球天然氣產量下降了4%，各大洲的資本支出都被削減，勘探井通常被推遲，直到外部條件改善。在某些情況下，新冠肺炎疫情大流行引發的市場蕭條產生了意想不到的后果，直接或間接影響了勘探鉆井。去年并非一切都是負面的，盡管人們需要將成功的概念相對化——例如，去年的油氣價格暴跌使天然氣需求免于更大幅度的下降，但是低價格使增加天然氣發電在經濟上變得可行。
????有趣的是，由于去年全球LNG的總體需求量實際上有所增加，達到了3.62億- 3.63億噸的歷史最高水平，因此專注于LNG項目保持其市場份額的可能性更高。與此同時，美國天然氣生產商和歐洲主要管道天然氣供應商俄羅斯天然氣工業股份公司（俄氣）證實，就多元化出口市場而言，流動性和靈活性較低的天然氣生產受到的影響明顯更大。也就是說，人們可能會認為，去年的天然氣勘探井主要是用“內心的想法”（arrière-pensée）鉆探的，而事實并非如此。無論是阿聯酋的杰貝阿里氣田，還是南非的布魯帕達氣田，甚至可能是土耳其的薩卡亞氣田，去年發現的大部分天然氣都將為那些已經習慣了天然氣進口的經濟體提供急需的天然氣，并創造出自給自足的新局面。
????我們分析了全球今年最熱門的天然氣遠景構造，并為您列出了其中的前五個，充分認識到在經濟蕭條時期，最高影響井可能來自高風險的初探井。
????1. 斯庫拉托夫斯卡雅-2井 (俄羅斯)
????斯庫拉托夫斯卡雅-2井是俄氣在位于北極喀拉海的斯庫拉托夫斯卡雅區塊的第二口探井，最有可能獲得今年最大的天然氣發現。有幾個理由可以證實這一說法。首先，盡管斯庫拉托夫斯卡雅區塊位于海上，但它與世界上最大的天然氣田博瓦年科夫大氣田相鄰。其次，以前在喀拉海的所有鉆探活動都發現了大量天然氣儲量；最新一個發現是斯庫拉托夫斯卡雅-1井，此井發現了2020億立方米的3P儲量，這個新氣田很快被更名為“75 Let Pobedy”，以紀念蘇聯在二戰中的勝利。雖然俄氣明顯不急于開發成本高昂的北極氣田，并打算在2030年后投產這些氣田，但俄氣仍在積極推進鉆井，斯庫拉托夫斯卡雅-2井的鉆井作業預計將在今年夏季進行。
????2．克洛諾斯-1井 (塞浦路斯)
????在2018年全球最大天然氣發現之一的擁有6.5萬億立方英尺天然氣儲量的塞浦路斯卡里普索發現獲得了無可爭議的成功以后，道達爾公司及其合作伙伴埃尼公司(各持有第6號區塊50%股份)計劃在今年下半年開鉆克洛諾斯-1初探井。最初這口初探井被假設在去年4月開鉆，然而，COVID-19大流行的嚴重影響將此井的開鉆時間推遲了一年多。克洛諾斯-1井位于距離塞浦路斯海岸大約150公里的西南部海域，其鉆井作業將在水深2300米-2400米的海域進行，即比卡里普索發現和格勞科斯發現還要深幾百米。埃及伊德庫LNG項目的重啟以及塞浦路斯的發現與埃及的液化基礎設施的傳聞表明，如果克洛諾斯-1井在今年晚些時候獲得發現，它很可能會作為LNG在市場推廣。
????3．Rencong-1X井 (印度尼西亞)
???疫情大流行也把印度尼西亞Rencong- 1X井——一口位于蘇門答臘島北部的一個潛在開放邊界上的海上初探井——的開鉆時間推遲到了2021年。擁有51%股份并擔任作業者的西班牙雷普索爾公司和擁有49%股份的馬來西亞國家石油公司將以迄今為止從未鉆探過的Tampur碳酸鹽巖地層(上始新統/下漸新統)為目標，估計擁有4萬億立方英尺的天然氣資源。Rencong- 1X井距離蘇門答臘島海岸線40公里，水深1000米-1100米。雷普索爾公司在項目管理上也遇到了不少困難，主要是要提供一艘符合印尼法規的合適的鉆井船，但現在看來，這些困難都已得到解決。在印尼成熟天然氣產量穩步下降的背景下，一個新的富氣前沿的出現可能會在北蘇門答臘盆地引發一場小小的革命。
????4．第9號區塊 (黎巴嫩)
????法國道達爾公司將設法克服黎巴嫩有史以來首次海上鉆井作業令人失望的結果，首次海上鉆井作業在去年2月啟動。Byblos-1井位于區塊9，由于沒有獲得具有商業開采價值的油氣資源，Byblos-1井隨后被放棄。今年，道達爾公司在黎巴嫩海上開鉆了第二口至今仍未命名的初探井，有幾個理由可以相信第二口初探井的鉆井結果會比道達爾公司的先驅初探井要好。首先，它位于區塊9的南部，更接近與以色列接壤的海上邊界，有效地毗鄰以色列塔馬爾大氣田，因此塔馬爾砂巖儲集層的遠景構造將高于區塊4。由于黎巴嫩-以色列海上邊界爭端不斷，運營商一直對即將開鉆的初探井的確切位置保密，然而，人們可以相當自信地認為，這口初探井將避免在有爭議的水域鉆探。
????5．姆扎拉巴尼-1井 (津巴布韋)
????在我們排名前5大鉆井項目中，津巴布韋可以說是最有爭議的項目，津巴布韋沒有探明的油氣儲量，經常依賴其他鄰國來滿足其國內能源需求。然而，今年，由于這個非洲國家魯豐薩盆地的評估活動升溫，這種依賴情況可能會完全改變。SG 4571區塊的運營商Invictus能源公司在2020-2021年啟動了地震測量計劃，目前正開始準備鉆探姆扎拉巴尼-1遠景構造，該遠景構造覆蓋面積超過200平方公里。這口初探井將在今年10月至11月開鉆，總深度超過4000米，目標是確認這個遠景構造的4.5萬億立方英尺的潛在資源。據運營商稱，SG 4571的總評估油氣儲量分別為2.94億桶和9.25萬億立方英尺。
????李峻 編譯自 油價網
????原文如下：
????The Top 5 Natural Gas Wildcats Of 2021
????Having assessed the most promising oil-focused exploration wells of 2021, the time has come to do pinpoint this year’s up-and-coming gas wildcats. It will not be easy to forget and let go of all the difficulties that 2020 generated – global gas production decreased by 4% compared to 2019, capital expenditures were cut across all continents, exploration wells were routinely delayed until external conditions improve. In some cases, the COVID-induced market depression has had unexpected consequences that either directly or indirectly impact exploration drilling – look no further than insurgents in Mozambique debilitating the 13mtpa Mozambique LNG project. Not everything was negative in 2020, albeit one needs to relativize the concept of success – for instance, the 2020 oil and gas price slump has insulated gas demand from an even steeper decline as low prices made it financially viable to ramp up gas-powered generation.
????Interestingly, projects focusing on LNG entertained higher odds of keeping their market share as overall global LNG demand actually increased over the course of 2020, attaining an all-time high of 362-363 million tons LNG. Simultaneously, gas production that was less mobile and flexible in terms of diversified outlet markets suffered tangibly more, as attested by US gas producers and Europe’s main pipeline supplier, Gazprom. With this being said, one might assume that exploration wells that were drilled with an arrière-pensée for LNG dominated the 2020 landscape and little could be further from the truth. Be it UAE’s Jebel Ali find, South Africa’s Brulpadda or perhaps even Turkey’s Sakarya, the majority of last year’s discoveries will provide much-needed gas for economies that have gotten used to gas imports, spinning a new story of self-sufficiency.
????We have analyzed the hottest gas prospects of 2021 and present you the Top 5, fully cognizant of the fact that in depressed times the highest impact wells might come from high-risk wildcats.
????1.Skuratovskaya-2 (Russia)
????The most likely candidate for the largest 2021 gas discovery will be Skuratovskaya-2, Gazprom’s second prospecting well in the Skuratovskaya block in the Arctic Kara Sea. There are several reasons corroborating this claim. First and foremost, despite being offshore the Skuratovskaya block is adjacent to the world’s largest gas field, Bovanenkovo. Second, all previous drillings in the Kara Sea have unearthed massive gas reserves; the last of the discoveries was the Skuratovskaya-1 well which unearthed 202 BCm in 3P reserves (the field was quickly renamed “75 Let Pobedy” to commemorate the Soviet Union’s WWII victory). Although Gazprom is evidently not eager to develop cost-heavy Arctic fields and intends to bring them onstream after 2030, it is still pushing forward with drilling, Skuratovskaya-2 is expected to take place in the summer months.
????2. Cronos-1 (Cyprus)
????Following the undisputable success of the 6.5 TCf Calypso discovery in 2018, one of the largest gas finds globally in 2018, Total and its partner ENI (both hold 50% of Block 06) are set to drill the Cronos-1 wildcat in the second half of 2021. Initially the wildcat was assumed to be spudded in April 2020, however, the severe impact of COVID-19 delayed it by more than a year. The well, located to the southwest some 150km off the Cypriot coast, will be drilled in water depths of 2300-2400 meters, i.e. several hundred meters deeper than Calypso and Glaucus. The restart of the Idku LNG and the rumored tying-in of Cypriot discoveries to Egypt’s liquefaction infrastructure indicates that should there be a Cronos discovery in late 2021, it would most probably be marketed as LNG.
????3. Rencong-1X (Indonesia)
????The coronavirus pandemic has also pushed the spudding of Rencong-1X, a potentially frontier-opening offshore wildcat to the north of Sumatra, well into 2021. Repsol (51% stake and operatorship) and Petronas (49%) will target the Tampur Carbonate Formation (Upper Eocene/Lower Oligocene) that has heretofore never been drilled, with estimated resources of 4 TCf. Rencong-1X is located 40km from the Sumatran coastline and will be spudded in water depths of 1000-1100 metres. Repsol has had its fair share of difficulties along the project’s administration, primarily connected to the provision of a suitable drillship all the while complying with Indonesian regulations but now it seems that those travails have been left behind. Against the background of steadily declining mature gas production in Indonesia, the emergence of a new gas-rich frontier might spark a mini-revolution in the North Sumatra Basin.
????4. Block 09 (Lebanon)
????The French major Total will try to overcome the disappointing result of Lebanon’s first-ever offshore wildcat that was spudded in February 2020. Located within Block 09, Byblos-1 turned out to be non-commercial and was subsequently abandoned. This year the drilling of a second wildcat (still unnamed) in Lebanon’s offshore and there are several reasons to believe that it will fare better than Total’s pioneering wildcat. First and foremost, it is located to the south to Block 09, much closer to the maritime border with Israel, effectively abutting the Tamar field, hence the prospects of the Tamar Sandstone reservoirs would be higher than with Block 04. Due to ongoing Lebanese-Israeli maritime border disputes the operator has so far kept the exact location of the forthcoming wildcat shrouded in secrecy, however one can assume fairly confidently that it will avoid drilling in disputed waters.
????5. Mzarabani-1 (Zimbabwe)
????Arguably the most disputable project in our Top 5 ranking, Zimbabwe has no known hydrocarbon reserves and has routinely relied on other neighboring countries to cater for its energy needs. This year, however, might alter that picture completely as appraisal activity heats up in the African nation’s Rufunsa Basin. The operator of the SG 4571 block, Invictus Energy, has had seismic surveying programs in 2020-2021 and now is stating its readiness to drill the Mzarabani-1 prospect in Zimbabwe, a 4-way dip closure spread across more than 200km2. The wildcat will be drilled in October-November 2021 to a total depth deeper than 4000m and will aim to confirm the prospect’s prospective resources of 4.5 TCf. According to the operator, the total assessed reserves of the SG 4571 stand at 9.25TCf and 294 MMbbls. Mzarabani will be Zimbabwe’s second-ever wildcat, the first was drilled in 2018 and deemed dry, only confirming the high-risk nature of Zimbabwean drilling.
免責聲明：本網轉載自其它媒體的文章，目的在于弘揚石化精神，傳遞更多石化信息，并不代表本網贊同其觀點和對其真實性負責，在此我們謹向原作者和原媒體致以敬意。如果您認為本站文章侵犯了您的版權，請與我們聯系，我們將第一時間刪除。
