【摘要】：遼河油田錦16區(qū)塊注水開發(fā)至今已二十多年,目前大部分油井綜合含水率已超過(guò)90%,采出程度超過(guò)40%,已經(jīng)進(jìn)入了雙高開采階段。斷塊的產(chǎn)量的遞減和含水率上升用常規(guī)方法已無(wú)法減緩,必須采取新方法、新技術(shù)在注水開發(fā)的基礎(chǔ)上增加可采儲(chǔ)量,提高采收率,在這種背景下開展二元驅(qū)三次采油是遼河油田持續(xù)穩(wěn)定發(fā)展的需要。歡三聯(lián)二元驅(qū)原油脫水站是錦16塊二元驅(qū)油氣集輸及處理工程最重要部分,歡三聯(lián)合站隸屬錦州采油廠,已經(jīng)運(yùn)行三十多年,站內(nèi)已建工藝流程不能滿足二元驅(qū)原油脫水處理工藝的要求,需要進(jìn)行必要的工藝改造。本文通過(guò)室內(nèi)脫水試驗(yàn),收集現(xiàn)場(chǎng)調(diào)研數(shù)據(jù),提出了歡三聯(lián)改造方案和新建集中處理站方案,有針對(duì)性的進(jìn)行工藝方案的設(shè)計(jì)、對(duì)比和優(yōu)選,確定了歡三聯(lián)合站改造方案,并提出歡三聯(lián)存在的主要問(wèn)題并進(jìn)行改造。最終采用了一段壓力沉降利用三相分離器進(jìn)行脫水、二段電化學(xué)沉降利用電脫水器脫水的工藝方案,確保原油脫水處理工藝高效、節(jié)能、安全、可靠。根據(jù)確定的方案、設(shè)計(jì)參數(shù),進(jìn)行工藝計(jì)算,進(jìn)一步確定具體的改造措施,充分利用歡三聯(lián)站內(nèi)的已建設(shè)施、設(shè)備,優(yōu)化工藝流程,優(yōu)選新建設(shè)備,確保改造后工藝流程節(jié)能、高效,投資最少,經(jīng)濟(jì)效益最高;同時(shí)對(duì)歡三聯(lián)站內(nèi)安全、環(huán)境、消防和節(jié)能等措施進(jìn)行改造,使聯(lián)合站能夠安全、平穩(wěn)運(yùn)行。通過(guò)本文研究為錦16塊二元驅(qū)原油脫水工藝提供了指導(dǎo)思想,為聯(lián)合站正常生產(chǎn)運(yùn)行提供了保證,為歡聯(lián)合站改造具體實(shí)施提供了基礎(chǔ),具有重要的意義。
[Abstract]:It has been more than 20 years since water injection was developed in Block Jin16 of Liaohe Oilfield. At present, the comprehensive water cut of most oil wells has exceeded 90%, the recovery degree is more than 40%, and has entered the stage of double high production. The decline of production and the increase of water cut in fault block can not be slowed down by conventional methods. New methods and new technologies must be adopted to increase recoverable reserves and increase recovery efficiency on the basis of waterflooding development. Under this background, it is necessary for Liaohe oil field to carry out three-stage oil recovery with binary flooding. Huansanlian binary flooding crude oil dehydration station is the most important part of the oil and gas gathering, transportation and processing engineering of binary flooding in block Jin16. Huan San United Station belongs to Jinzhou Oil production Plant and has been in operation for more than 30 years. The process flow has been built in the station can not meet the requirements of binary flooding crude oil dehydration process, so it is necessary to carry out necessary technological transformation. Through indoor dehydration test, collecting field investigation data, this paper puts forward Huan Sanlian transformation plan and new centralized processing station plan, and designs, compares and optimizes the process plan, and determines the Huan three combined station reconstruction plan. And put forward the main problems of Huan triple and reform. Finally, the dewatering process of the first stage pressure sedimentation using three-phase separator and the second stage electrochemical sedimentation using electric dehydrator is adopted to ensure the high efficiency, energy saving, safety and reliability of crude oil dehydration process. According to the determined scheme, design parameters, process calculation, further determine the specific measures of transformation, make full use of the built facilities, equipment, optimize the process flow, select the newly built equipment, and ensure the energy saving of the technological process after the revamping, High efficiency, minimum investment and the highest economic benefit; At the same time, the measures of safety, environment, fire protection and energy saving in Huan Sanlian Station are reformed to make the station run safely and smoothly. The research in this paper provides the guiding ideology for the binary flooding crude oil dehydration process of Jin16 block, guarantees the normal production and operation of the combined station, and provides the foundation for the concrete implementation of the Huan joint station transformation, which is of great significance.
【學(xué)位授予單位】：東北石油大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TE357.46

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