據海上能源5月9日報道,希臘油氣勘探和生產公司Energean在以色列海上12區塊發現了一處商業天然氣,增強了該公司對新定義的Olympus區域潛力的信心。
早在2021年6月,Energean就與Stena Drilling公司簽訂了一個鉆機合同,用于其2022年-2023年以色列海上鉆井項目。該公司還在2021年9月與哈里伯頓簽訂了一份執行鉆井和完井的綜合服務合同。
此次鉆探活動的目標是降低超過10億桶油當量的無風險可采資源的風險,計劃于2022年3月開始。
在周一的更新中,Energean透露,在位于A、B和C砂層的12區塊Athena勘探井中發現了一個商業天然氣,并解釋稱,對Athena發現的初步分析表明,該發現單獨包含80億立方米天然氣(2830億立方英尺/ 5100萬桶油當量)。
Energean首席執行官Mathios Rigas表示:“我們很高興地宣布,在Athena發現了新的天然氣,以及更廣闊的Olympus區域的潛力。我們正在考慮一系列戰略商業化選擇,包括獨立的和更廣泛的Olympus區域開發,包括國內和多個出口路線。”
該公司指出,這一發現尤其重要,因為它消除了Olympus區域平均500億立方米(相當于1.8萬億立方英尺/ 3.21億桶油當量)的潛在資源風險,包括Athena勘探井的總共580億立方米資源(3.72億桶油當量),還包括12區塊和鄰近的Tanin Lease的未鉆勘探區。
Energean擁有Athena勘探井100%的權益,該勘探井位于12區塊,距離Karish井20公里,距離Tanin A井20公里,水深1769米。Stena Icemax鉆井船是一艘冰級惡劣環境活動動態定位鉆井船,能夠在水深達10000英尺的水中進行鉆井作業,耗時51天,預算低于3500萬美元。
Athena井是該公司在以色列連續第五個成功鉆探的井。鉆井結果顯示,在主要目標(A、B和C砂層)發現了156米的總烴柱。Energean打算進行額外的分析,以進一步提煉全部資源潛力——包括主要儲層單元之間的薄砂中所含的體積——并確認發現的液體含量。
該井已被暫停作為未來的生產井,而在更深的次級目標D砂層中沒有發現商業碳氫化合物,成功的概率為22%。
該公司還表示,Athena油田的發現可以在近期內通過回接Energean Power號浮式生產儲卸油船實現商業化,該浮式生產儲卸油船于本月早些時候從新加坡起航。Energean認為,回接將提高Karish-Tanin油田開發的盈利能力。Karish項目預計將于2022年第三季度生產第一批天然氣。
Athena新發現將作為Olympus區域開發的一部分
作為解決方案的替代方案,Energean表示,Athena新發現可能成Olympus區域開發新的一部分,因為該公司正積極尋求更廣泛的Olympus區域商業化開發方案,例如進一步的以色列國內天然氣銷售和出口方案。
此外,這一地區的發現和前景沿著相同的地質走向,Athena井是在與Tanin井相同的直接碳氫化合物指示物上鉆探的——如地震分析所示。
在天然氣銷售方面,這包括新的天然氣銷售和購買協議,這得益于以色列電力市場和現貨銷售的持續增長。Energean還補充說,公司于2022年3月與以色列電氣公司簽署了一份現貨合同。
另一方面,出口選項包括制定與埃及天然氣控股公司于2021年12月簽署的合同,在10年的時間內平均每年供應30億立方米天然氣,形成一項具有約束力的協議,通過管道從塞浦路斯向其他區域和歐洲市場出口液化天然氣。
Energean解釋道,第12區塊生產和銷售的天然氣的經濟效益不需要支付給Karish和Tanin租約的原始賣方特許權使用費,與Karish和Tanin發現的天然氣相比,該區塊的銷售收入增加了約8%。
Rigas補充說:“這一發現以及Olympus區域勘探前景的降低,再次確認了東地中海地區作為全球天然氣勘探熱點的地位。它加強了我們為該地區提供競爭和供應安全的承諾,使我們能夠優化以色列的投資組合,并實現了我們2022年的一個關鍵里程碑。”
Energean將繼續其鉆探活動
據Energean稱,Stena IceMAX目前已轉移至Karish Main-04評價井,頂部井眼已鉆完。之后,該鉆井平臺預計將完成Karish North開發井。
該公司進一步表示,關于Hermes以及Hercules勘探井鉆探的決定預計將于2022年第二季度末做出。
季廷偉 摘譯自 海上能源
原文如下:
New gas discovery for Energean off Israel
Hydrocarbon exploration and production company Energean has made a commercial gas discovery in Block 12 offshore Israel, bolstering its beliefs in the potential of the newly defined Olympus Area.
Back in June 2021, Energean contracted a rig from Stena Drilling for its 2022 – 2023 growth drilling programme offshore Israel. The firm also booked Halliburton in September 2021 under an integrated services contract to execute the well drilling and completions.
The beginning of this drilling campaign, targeting the derisking of unrisked prospective recoverable resources of over 1 billion barrels of oil equivalent (boe), was scheduled for March 2022.
n an update on Monday, Energean revealed that a commercial gas discovery has been made within the Athena exploration well in Block 12, in the A, B and C sands, explaining that the preliminary analysis of the Athena discovery indicates that it contains recoverable gas volumes of 8 bcm (283 bcf/51 mmboe) on a standalone basis.
Mathios Rigas, Chief Executive of Energean, commented: “We are delighted to announce this new gas discovery at Athena and the potential of the wider Olympus Area. We are considering a range of strategic commercialisation options both for a standalone and wider Olympus Area development, including domestic and multiple export routes.”
The company pointed out that this discovery is particularly significant as it de-risks an additional 50 bcm (1.8 tcf/321 mmboe) of mean unrisked prospective resources across its Olympus Area – total 58 bcm/372mmboe including Athena – which includes not only Athena but also the undrilled prospects on Block 12 and the adjacent Tanin Lease.
Energean holds 100 per cent interest in the Athena exploration well, which was drilled on Block 12, located 20 kilometres from Karish and 20 kilometres from Tanin A, in a water depth of 1,769 metres. The Stena Icemax drillship – an ice-class harsh environment dual-activity dynamically positioned drillship, capable of drilling in water depths of up to 10,000 ft – carried out the drilling operations, which took 51 days and came in below the budget of $35 million.
The Athena well is the fifth one in a row that the company drilled successfully in Israel. The well results show a gross hydrocarbon column of 156 metres was encountered in the primary target (the A, B and C sands). Energean intends to undertake additional analysis to further refine the full resource potential – including volumes contained within thinner sands between the main reservoir units – and to confirm the liquids content of the discovery.
The well has been suspended as a future production well while no commercial hydrocarbons were discovered in the deeper secondary target D sands with a 22 per cent probability of success.
The firm also informed that the Athena discovery can be commercialised in the near term via tie-back to the Energean Power FPSO, which sailed away from Singapore earlier this month. Energean believes that the tie-back would enhance the profitability of the Karish-Tanin development. The Karish project is expected to produce the first gas in the third quarter of 2022.
Athena discovery as part of Olympus Area development
As an alternative to the tie-back solution, Energean stated that the Athena discovery could form part of a new Olympus Area development, as the firm is actively pursuing development options for the commercialisation of the wider Olympus Area, such as further domestic Israeli gas sales and export options.
Furthermore, the discoveries and prospects in this area lie along the same geological trend and Athena was drilled on the same direct hydrocarbon indicator – shown in the seismic analysis – as Tanin.
When it comes to gas sales, this includes new gas sales and purchase agreements (GSPA) underpinned by the continued growth of the Israeli power market and spot sales. Energean further added a spot contract was signed with the Israel Electric Corporation (IEC) in March 2022.
On the other hand, export options entail developing the Memorandum of Understanding (MoU) signed with the Egyptian Natural Gas Holding Company (EGAS) in December 2021 for the supply of up to 3 Bcm/yr of natural gas on average for a period of 10 years into a binding agreement along with exports to other regional and European markets via pipeline and LNG via Cyprus and/or Egypt.
Energean elaborated that the economics of gas produced and sold from Block 12 are not subject to royalties payable to the original sellers of the Karish and Tanin leases, leading to an approximate 8 per cent increase in revenue for the same volumes sold, when compared with the Karish and Tanin discoveries.
“This discovery and the broader de-risking of a number of prospects in the Olympus Area reaffirms the role of the East Mediterranean as a global gas exploration hotspot. It strengthens our commitment to provide competition and security of supply to the region, enables the optimisation of our Israel portfolio and fulfils one of our key milestones for 2022,” added Rigas.
Energean continues its drilling campaign
According to Energean, the Stena IceMAX has now moved to the Karish Main-04 appraisal well, and the top hole has already been drilled. Afterwards, the rig is expected to complete the Karish North development well.
The company further stated that a decision regarding the drilling of the optional exploration wells – Hermes and/or Hercules – is expected to be made by the end of the second quarter of 2022.
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