本文選題：分層注水 + 采油工程　； 參考：《哈爾濱理工大學(xué)》2017年碩士論文

【摘要】：注水驅(qū)油技術(shù)一直是我國油田開采中不可或缺的一部分,其主要原因是我國的大部分油田屬于陸相沉積非均質(zhì)砂巖油田。但隨著石油的開采,油層之間的差異的變化,傳統(tǒng)的籠統(tǒng)注水工藝已經(jīng)不能滿足動態(tài)平衡個個層間的差異,因此導(dǎo)致油田的開采效率的降低。針對各個油層的不同情況,在現(xiàn)有工藝發(fā)展的基礎(chǔ)上研發(fā)了分層注水工藝,提升了工作效率。但隨著油田開采進入到特高含水期后,由于技術(shù)水平發(fā)展有限,分層注水工藝水平距離水驅(qū)的要求還有很大的距離,具體面臨如下問題:由于層間的壓差增大,導(dǎo)致注水合格率迅速降低,各個層面間的注水失敗;單層段注水參數(shù)得不到長時間的監(jiān)測,對剩余油量無法得到充分的開采以及分析,需要進行分注的數(shù)量愈來愈多,工作量逐年增大。為了進一步開采在特高含水期的剩余油量,需要對配水器的結(jié)構(gòu)重新進行調(diào)整以及針對該配水器的配套技術(shù)進行重新的研發(fā)。本文針對此類課題開展以下研究工作,滿足我國現(xiàn)階段采油注水的實際需求,開發(fā)出一種適合在特高含水期的智能一體化配水器,將多信息測試與流量控制整合在井下,并通過該配置實現(xiàn)對井下各分注層段的實時監(jiān)控并在自定義調(diào)配的周期內(nèi)對各個層段進行流量調(diào)控。該配水器具有“智能精確測調(diào),實時監(jiān)測工藝參數(shù),數(shù)據(jù)信息存儲與傳遞”的特點,從而實現(xiàn)精細注水以及各個層段自動調(diào)配,大大減少了工作量,在對分層注水的測調(diào)效率以及精度實現(xiàn)了很大的提升同時,又能對井下參數(shù)進行實時的監(jiān)控,為開發(fā)剩余油量提供了強有力的技術(shù)支持。本文在橋式偏心分層配水器的基礎(chǔ)上進行了重新設(shè)計,開發(fā)出與智能一體化配水器配套的工藝管柱,并通過數(shù)據(jù)處理設(shè)計出調(diào)節(jié)、流量、壓力、溫度測試為一體的智能堵塞器,實現(xiàn)多層段同步動態(tài)測調(diào);開展了注水井工況下數(shù)據(jù)傳輸技術(shù)研究,通過在井下應(yīng)用短距離無線通訊和地面有線遠程信號通訊的方式來保證發(fā)出指令與數(shù)據(jù)處理(1000米,125℃)雙向信號傳輸;設(shè)計了注水井工況下非接觸感應(yīng)定位及基于高頻感應(yīng)的充電裝置,解決機械定位工藝由于試探性所導(dǎo)致的低效及井下供電電池一次性的瓶頸問題。最后在室內(nèi)進行了模擬實驗,包括通訊及動力電傳送性能測試、流量調(diào)配測試、非接觸電能轉(zhuǎn)化測試及綜合性能測試,并在大慶油田井下進行了實際工程應(yīng)用。通過以上實驗證明智能可投撈式一體化配水器的實用性與可靠性。
[Abstract]:Water flooding technology has always been an indispensable part of oilfield production in China, the main reason is that most of the oil fields in China belong to continental sedimentary heterogeneous sandstone oil field. But with the development of oil and the variation of reservoir difference, the traditional general water injection technology can not meet the difference of dynamic balance between layers, which leads to the decrease of oil production efficiency. According to the different conditions of each reservoir, based on the development of the existing technology, the stratified water injection process is developed to improve the working efficiency. However, with the development of oilfield entering into the period of super high water cut, due to the limited development of technology, there is still a long distance between the horizontal level of stratified water injection and the requirement of water flooding. The specific problems are as follows: due to the increase of the pressure difference between layers, As a result, the qualified rate of water injection decreases rapidly, the water injection failure between different layers, the parameters of single layer water injection can not be monitored for a long time, the remaining oil quantity can not be fully exploited and analyzed, and the quantity of separate injection is becoming more and more. The workload is increasing year by year. In order to further exploit the remaining oil in the high water cut period, it is necessary to readjust the structure of the water distributor and to re-develop the matching technology of the water distributor. In this paper, the following research work is carried out to meet the actual demand of oil production and water injection in our country at present, and an intelligent integrated water distributor suitable for super high water cut period is developed, which integrates multi-information testing and flow control in the downhole. Through this configuration, the real-time monitoring of each injection zone is realized, and the flow regulation of each layer is carried out in the cycle of self-defined allocation. The water dispenser has the characteristics of "intelligent accurate measurement and adjustment, real-time monitoring of technological parameters, data information storage and transmission", thus realizing fine water injection and automatic allocation of each layer, greatly reducing the workload. At the same time, it can monitor the downhole parameters in real time and provide strong technical support for the development of remaining oil quantity. On the basis of the bridge eccentricity stratified water distributor, this paper redesigns the process string matching with the intelligent integrated water distributor, and through data processing, designs the intelligent plugging device which integrates the adjustment, flow rate, pressure and temperature test. The data transmission technology under the condition of water injection well is studied. By using short-range wireless communication and ground wired remote signal communication in underground, the two-way signal transmission can be ensured by issuing instruction and data processing (1000 m ~ (125 鈩，

本文編號：1870655