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    產品展廳>>項目研發>>2020年試油公司準噶爾盆地重點探井技術研究

    隨著準噶爾盆地勘探開發力度的不斷加大,勘探開發對象日益復雜,儲層品質越發多樣,呈現“低孔低滲低產”與“高溫高壓高產”并存,井況、工況也愈發惡劣,導致勘探開發難度與日俱增。同時受限于現場資料錄取難度大,利用程度低等不利因素,經過綜合效益評估,我公司結合現場經驗,編制實用程序,為現場錄取的試油資料進行實時分析,對儲層進行快速評價,對風險進行有效識別與預防,對現場生產進行正確指導,確保試油作業安全與完井后的順利投產。

    目前準噶爾盆地南緣下組合取得歷史性突破,展現了勘探的巨大潛力和光明前景。然而南緣地質條件復雜,勘探認識程度低,通過對目標區塊開展技術攻關,突破瓶頸技術難題,將初步形成適應于準噶爾盆地南緣中下組合油氣藏試油配套技術,為南緣大油氣區建設提供支撐。

    通過理論模型建立、軟件編程、現場應用、完善優化等步驟,形成一套適用準噶爾盆地的試油資料動態分析技術:

    油、氣和水高壓物性參數研究

    井筒中氣液兩相垂直管流理論研究

    油氣井計算IPR(流入動態)和OPR(流出動態)曲線方法研究

    油氣井生產制度優化設計研究

    形成油氣井井筒節點分析軟件并進行現場應用

    我公司長期開展油氣節點理論研究及軟件研發工作,主要圍繞每口井的地層滲流-井筒管流及油氣嘴節流以及產能預測,提供從地下-節流閥-地面的一體化生產制度優化。針對常規油氣藏、頁巖氣藏、致密氣藏等地質特征和儲層特點,找出制約油氣井生產的因素,優化生產工藝方式及采收率,對于油氣井的產能預測和優化生產工作制度,具有重要的指導意義,具有同類公司沒有的巨大優勢。

    Products>>Project Development>>Research on key exploration well technology in Jungar basin of oil testing company in 2020

    With the increasing exploration and development efforts in Jungar basin, the exploration and development objects are becoming more and more complex, the reservoir quality is becoming more and more diverse, the coexistence of "low porosity, low permeability, low production" and "high temperature, high pressure and high production" is presented, and the well conditions and working conditions are getting worse, which leads to the increasing difficulty of exploration and development. At the same time, limited by the unfavorable factors such as the difficulty of field data acquisition and low utilization degree, after comprehensive benefit evaluation, our company combined with the field experience, compiled a practical program to conduct real-time analysis for the field test data, quickly evaluate the reservoir, effectively identify and prevent the risks, correctly guide the field production, and ensure the successful production of safety oil test operation and post well completion.

    At present, the lower southern margin of Jungar basin has made a historic breakthrough, showing great exploration potential and bright prospects. However, the geological conditions in the southern margin of Jungar basin are complex, and the understanding of exploration is low. Through technical research on the target block and breaking through the bottleneck technical problems, the matching technology for oil and gas reservoir testing of the middle lower combination reservoirs in the southern margin of Jungar basin will be initially formed, which will provide support for the construction of large oil and gas areas in the southern margin.

    Through the steps of theoretical model establishment, software programming, field application, improvement and optimization, a set of dynamic analysis technology of well testing data suitable for Jungar basin is formed.

    Study on high pressure physical parameters of oil, gas and water.

    Theoretical study of gas-liquid two-phase vertical pipe flow in wellbore.

    Study on calculation method of IPR (inflow performance) and OPR (outflow performance) curves for oil and gas wells.

    Research on Optimization Design of oil and gas well production system.

    The software for wellbore node analysis of oil and gas wells is developed and applied in the field.

    Our company has long carried out the theoretical research and software development of oil and gas nodes, mainly focusing on the formation seepage, wellbore pipe flow, oil and gas nozzle throttling and productivity prediction of each well, providing the integrated production system optimization from underground to throttle valve to surface. According to the geological characteristics and reservoir characteristics of conventional oil and gas reservoirs, shale gas reservoirs and tight gas reservoirs, the factors restricting the production of oil and gas wells are found out, and the production process and recovery factor are optimized, which has important guiding significance for the productivity prediction of oil and gas wells and the optimization of production system, and has great advantages while similar companies don’t have.

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