CN210317248U

CN210317248U - Pipe column for mixing water and reducing viscosity of thick oil produced by pipe laying

Info

Publication number: CN210317248U
Application number: CN201920335069.8U
Authority: CN
Inventors: 胡红梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-18
Filing date: 2019-03-06
Publication date: 2020-04-14
Anticipated expiration: 2029-03-06

Abstract

The utility model relates to a mix hot water viscosity reduction and exploit viscous crude oil's application pipe muddy water viscosity reduction and adopt viscous crude oil tubular column on the pump in the oil field machinery oil recovery field, its technical scheme is that this tubular column comprises oil production tubular column and the high pressure watering pipeline of binding fixed on the oil pipe body on the pump, oil production tubular column includes the oil-well pump, mixes water joint, oil pipe centralizer and built-in piston, sucker rod and polished rod, high pressure watering pipeline includes two male joint, high-pressure hose and union joint.

Description

Pipe column for mixing water and reducing viscosity of thick oil produced by pipe laying

Technical Field

The utility model relates to a mix hot water viscosity reduction and exploit the application pipe that viscous crude used to mix water viscosity reduction on the oil field machinery oil recovery field pump and mix the viscous crude tubular column.

Background

At present, a thick oil watering production string mainly comprises an upper pump casing annular space and an oil pipe matched circulating watering string, a hollow rod and an oil pipe matched watering string, and a hollow rod and a built-in small pipe matched internal circulating watering string. The annular space of the casing pipe is matched with the oil pipe to form a circulating water mixing pipe column, and the casing pipe is greatly damaged by circulating water corrosion; the hollow rod and the oil pipe are matched with a water mixing pipe column, and the hollow pipe inner wall is corroded, scales are formed and fall off, so that the pipeline of the hollow rod is easily blocked; the hollow rod and the built-in small pipe are matched with the internal circulation water mixing pipe column to raise the temperature and reduce the viscosity by means of heat exchange, the heating strength of the heat exchange is not enough, and the viscosity reduction effect is not good. The above-mentioned several kinds of watering columns have different defects.

Disclosure of Invention

In order to solve the problems of the water mixing pipe column, the utility model provides a novel pipe application water mixing viscosity reduction thick oil production pipe column, compared with other water mixing pipe columns used at present, the pipe column has the advantages that ① is used for mixing heat in thick oil on a pump, the heating effect is good, water in oil is converted into oil in water, the viscosity reduction effect is good, high-viscosity thick oil can be produced, ② water mixing pipe line adopts a high-pressure hose, the pipe column is not rusted and scaled, the pipe column is not easy to block, and ③ can measure the liquid level.

The utility model provides a technical scheme that its technical problem adopted is: a set of specially-made high-pressure hose water-mixing pipeline is arranged on the outer side of a conventional oil extraction lifting pipe column and is connected and communicated through a water-mixing joint arranged on a pump, a hanger (2) which is in threaded connection with a pump oil pipe (3), oil pipe centralizers (8) which are arranged at intervals, a water-mixing joint (12), a pump cylinder (14), a fixed valve (15) and a tail oil pipe (16) are sequentially arranged on the pipe column for applying water-mixing viscosity-reducing and extracting thick oil from top to bottom, a side hole communicated with the pump oil pipe is arranged on the upper side of the water-mixing joint (12), female threads are arranged at the upper end of the side hole and are in threaded connection with a double male joint (11), the double male joint is in threaded connection with a female thread of a lower union joint (10) arranged at the bottom end of the high-pressure hose (6), the high-pressure hose (6) is formed by connecting a plurality of hoses through a union joint (7), and the high-pressure hose (6) is fixed on a body of the pump oil, the upper end of a high-pressure hose (6) is led out by a sleeve gate until the bottom of the hanger (2) and is connected to a water mixing pipeline on the ground by an upper union joint (4), a rod column combination in threaded connection with a piston (13), a sucker rod (5) and a polish rod (1) is arranged inside a pump cylinder (14) and a pump oil feeding pipe (3), the piston is positioned inside the pump cylinder, and the piston and the pump cylinder are in sliding sealing fit.

Has the advantages that: carry hot water through high-pressure hose, high-pressure hose is whole to be applied at oil pipe heating, and the viscous crude in oil pipe on the pump is sprayed through mixing water joint to last bottom, and hot water mixes with the viscous crude, forms low viscosity oil water mixture, is taken out to ground together.

Drawings

The invention is further described with reference to the drawings and examples.

Fig. 1 is a half-sectional structural view of the present invention.

1. The hydraulic pump comprises a polished rod, 2 a hanger, 3 a pump oil feeding pipe, 4 an upper union joint, 5 a sucker rod, 6 a high-pressure hose, 7 a middle union joint, 8 an oil pipe centralizer, 9 a pipe bundling belt, 10 a lower union joint, 11 a double male joint, 12 a water mixing joint, 13 a piston, 14 a pump cylinder, 15 a fixed valve and 16 a tail oil pipe.

Detailed Description

In figure 1, a tail oil pipe (16), a fixed valve (15), a pump barrel (14), a water mixing joint (12), a pump upper oil pipe (3), an oil pipe centralizer (8) and a hanger (2) are sequentially connected by screw threads, the oil pipe centralizer (8) is arranged between the oil pipes at intervals, a piston (13), a sucker rod (5) and a rod column combination which is connected by screw threads of a polished rod (1) are arranged inside the pump barrel (14) and the pump upper oil pipe (3), the piston is positioned inside the pump barrel, a side hole on the water mixing joint (12) is connected by screw threads with a double male joint (11), a lower union joint (10) of a high-pressure hose (6) is connected by screw threads with the double male joint (11), the high-pressure hose (6) is formed by connecting a plurality of hoses through a middle union joint (7), the high-pressure hose (6) is fixed on a body of the pump upper oil pipe (3) at intervals from bottom to top in the whole process by a hose binding belt (9), the upper head of the high-pressure hose (6) is led out from a sleeve gate hole till the bottom of the hanger (2) and is connected with a ground water mixing pipeline through an upper union joint (4).

The method comprises the following steps: an operation machine is used for putting a tail oil pipe (16) with a designed length into a well, then a pump cylinder (14) with a fixed valve (15) connected at the bottom is connected with a screw thread and then put into the well, then the screw thread is connected with a water mixing joint (12), a double male joint (11) is connected with a female thread arranged at the upper part of a side hole of the water mixing joint (12) in a screw thread way, a lower union joint (10) of a high-pressure hose (6) is connected with the double male joint (11) in a screw thread way, a plurality of sections of hoses are connected into the high-pressure hose (6) through a middle union joint (7), then the operation machine is used for connecting an upper oil pipe (3) of a pump and an oil pipe centralizer (8) with a designed interval in a way of putting into the well, when the upper oil pipe (3) of the pump is put down, the high-pressure hose (6) is bound on the body of the oil pipe (3) through a pipe binding belt (9) until the designed pump depth is reached, and after the upper oil pipe, the upper end of the high-pressure hose (6) is led out from the casing gate, the hanger (2) is connected to the oil pipe in the well through a screw thread and is seated in the large four-way of the well mouth, and the upper union joint of the high-pressure hose (6) is connected to the ground water mixing pipeline. And then, a piston (13) and a sucker rod (5) and a polished rod (1) which are connected through a screw thread are sequentially put in, so that the piston (13) enters a pump cylinder (14) and is positioned at the bottom, the stroke distance is increased, and the polished rod is hung on a rope hanger and connected with the pumping unit. The ground water mixing gate is opened to ensure that the water mixing circulation is normal, then the oil pumping unit is started, the thick oil pumped by the oil well pump enters the pump oil feeding pipe, the hot sewage mixed by the high-pressure hose (6) flows into the pump oil feeding pipe through the communicated water mixing joint (12) to be mixed with the thick oil to form water-in-oil low-viscosity oil-water mixed liquid which is lifted to the ground.

Claims

1. A tubing-laying water-mixing viscosity-reducing thick oil recovery pipe column is characterized in that a hanger (2), a pump oil-feeding pipe (3), oil pipe centralizers (8) which are arranged at intervals, a water-mixing joint (12), a pump cylinder (14), a fixed valve (15) and a tail oil pipe (16) are sequentially arranged from top to bottom, a side hole communicated with the pump oil-feeding pipe is arranged above the water-mixing joint (12), female buckle threads are arranged at the upper end of the side hole and are in threaded connection with a double male joint (11), the double male joint (11) is in threaded connection with a female buckle of a lower union joint (10) arranged at the bottom end of a high-pressure hose (6), the high-pressure hose (6) is formed by connecting a plurality of hoses through a union joint (7), the high-pressure hose (6) is fixed on a body of the pump oil pipe (3) at intervals from bottom to top by using a pipe-bundling belt (9) until the bottom of the hanger (2), and a head gate is led out from the high-pressure, and is connected to the water mixing pipeline on the ground through an upper union joint (4), a rod column combination in which a piston (13), a sucker rod (5) and a polish rod (1) are in threaded connection is arranged inside a pump cylinder (14) and a pump oil feeding pipe (3), the piston is positioned inside the pump cylinder, and the piston and the pump cylinder are in sliding sealing fit.

2. The pipe column for thickened oil recovery by pipe-laying water mixing and viscosity reduction according to claim 1, characterized in that a through hole which is communicated up and down is longitudinally arranged in the middle of the water mixing joint (12), the through hole can allow a piston to pass through, an oil pipe male buckle is arranged at the lower part of the through hole, an oil pipe female buckle is arranged at the upper part of the through hole, a side hole which is parallel to the through hole is arranged on the side surface of the through hole, and a pore canal which is communicated with each other is.