The utility model relates to an oil well three-phase separator, which relates to a matching device for oil extraction in oil field. The purpose of the utility model is to provide a device which has simple structure and realizes the three-phase separation of oil, gas and sand. The utility model comprises an upper oil separator tube, core tube jacket base pipe, tube wall base is provided with a plurality of liquid inlet hole, a sieve tube, the lower end of the base tube is fixed in the upper coupling, core tube connected on the collar, the core tube communicated with spiral tube. Under the outer circumferential surface of spiral tube arranged spiral blade, spiral blade from top to bottom around the outer circumferential surface of spiral pipe, spiral pipe outer tubing joint, a tubing nipple upper and lower end is communicated with the base tube, a tubing nipple is arranged at the lower end of the plug, plug in the spiral tube below the lower opening, the utility model uses the centrifugal force in the pump suction process, the effective realization of three-phase separation of oil, gas, sand.
【技术实现步骤摘要】
本技术涉及一种油田汲油的配套工具,特别是涉及一种用于井下油、气、砂三相分离的配套装置。
技术介绍
目前油田上对井下原油中油、气、砂三相的分离,要么采用相互独立的油、气分离器一气锚和滤砂器,要么采用丢手封隔器挂于井下。气锚和滤砂器一般利用井下封隔器将原油中的液、气分离,这种分离方式对一些套管变形的油井不能适用,而且在出砂井中应用时,砂子容易在封隔器上部堆积,造成管柱卡堵,给修井造成困难;丢手封隔器其管柱结构复杂,作业工序多,施工工作量大,影响了工作效率。
技术实现思路
本技术要解决的技术问题是提供一种结构简单、实现井下油、气、砂三相分离的装置。本技术油井三相分离器,包括上芯管,所述上芯管外套基管,所述基管管壁上开设有若干进液孔,所述基管外罩筛管,所述基管上端固定在上接箍的下端,所述上芯管上端连通所述上接箍,所述上芯管下端连通下螺旋管上端,所述下螺旋管外圆周面设置螺旋叶片,所述螺旋叶片从上至下缠绕在所述下螺旋管的外圆周面上,所述下螺旋管外套油管短节,所述油管短节上端与所述基管下端连通,所述油管短节下端设置堵头,所述堵头在所述下螺旋管下端开口下方。与现有技术相比本技术通过基管、上芯管、筛管、螺旋管的等简单的组合,在油泵抽吸时,油泵的单向阀打开,原油和气体从基管的进液孔进入基管,砂被筛管挡在外面,油气混合物进入油管短节与下螺旋管之间,在螺旋叶片的作用下,油气混合物绕下螺旋管向下运动,巧妙地利用离心力使气体析出上浮,从而排出,原油下沉被吸入下螺旋管,实现油井下油、气分离,提高了生产效率。本技术油井三相分离器,其中所述油管短节上端与所述基管下端连通是通过中接箍,所述中接箍套 ...
【技术保护点】
一种油井三相分离器,其特征在于:包括上芯管(1),所述上芯管(1)外套基管(3),所述基管(3)管壁上开设有若干进液孔(31),所述基管(3)外罩筛管(4),所述基管(3)上端固定在上接箍(7)的下端,所述上芯管(1)上端连通所述上接箍(7),所述上芯管(1)下端连通下螺旋管(2)上端,所述下螺旋管(2)外圆周面设置螺旋叶片(21),所述螺旋叶片(21)从上至下缠绕在所述下螺旋管(2)的外圆周面上,所述下螺旋管(2)外套油管短节(5),所述油管短节(5)上端与所述基管(3)下端连通,所述油管短节(5)下端设置堵头(6),所述堵头(6)在所述下螺旋管(2)下端开口下方。
【技术特征摘要】
1.一种油井三相分离器,其特征在于:包括上芯管(I ),所述上芯管(I)外套基管(3),所述基管(3)管壁上开设有若干进液孔(31),所述基管(3)外罩筛管(4),所述基管(3)上端固定在上接箍(7 )的下端,所述上芯管(I)上端连通所述上接箍(7 ),所述上芯管(I)下端连通下螺旋管(2)上端,所述下螺旋管(2)外圆周面设置螺旋叶片(21),所述螺旋叶片(21)从上至下缠绕在所述下螺旋管(2)的外圆周面上,所述...
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