CN202882875U

CN202882875U - Skid-mounted type high-pressure sand separating device for oil and gas well mouth test

Info

Publication number: CN202882875U
Application number: CN 201220448916
Authority: CN
Inventors: 杨家银; 杜韦; 明勇; 杨远林
Original assignee: Sichuan Kehua Petro-Chemical Equipment & Engineering Co Ltd
Current assignee: Sichuan Kehua Petro-Chemical Equipment & Engineering Co Ltd
Priority date: 2012-09-05
Filing date: 2012-09-05
Publication date: 2013-04-17
Anticipated expiration: 2022-09-05

Abstract

The utility model discloses a skid-mounted type high-pressure sand separating device for oil and gas well mouth test. The device utilizes the whole collision-resistant frame skid-mounted structure. The device comprises a barrel body (1) and an upper cover (2), wherein the upper cover is fixed through a press cover (4), the press cover is in threaded connection with the upper end of the barrel body, a pipe fixed on the upper cover is stretched into the barrel body, the lower end of the barrel body is fixedly connected with a cone-shaped hopper (8), an input hole (10) is formed in the middle of the barrel body and along the tangential direction of the hole wall, and a position inside the barrel, close to the input hole, is provided with a spiral separating element (12). The skid-mounted type high-pressure sand separating device can prevent a downstream device from being damaged to complete the test.

Description

Petroleum gas well head test skid-mounted high pressure silt particle separator

Technical field

The utility model relates generally to a kind of wellsite facility, particularly a kind of separator for the natural gas silt particle.

Background technology

Before formal use gas well, must carry out to the parameter of gas well the security performance inspection of experimental test and equipment thereof, the equipment that therefore must have the test of a device tie surface to use, be mainly used in sand fracturing and formation sand production well, can carry out gas-liquid separation and safety and remove pit shaft and return solid particle in the current drainage body, effectively reduce the damage to the downstream ground installation.Only used a device that is named as bitubular desander, but this device can only be less for containing sand in the past, and gasless well, this device only has filter core.If it is larger to run into sand content, there is again the well of gas to use this device, be damaged soon, sand is wherein swept along lower directly to the upstream device erosion at air-flow, and upstream device is damaged in wearing and tearing soon, causes damage, and must change this present situation.

The utility model content

The purpose of this utility model is to provide a kind of gas-liquid separation and safety of carrying out to remove pit shaft and return solid particle in the current drainage body, effectively reduces the silt particle separator to the damage of downstream ground installation.

For achieving the above object, scheme of the present utility model is: a kind of petroleum gas well head test skid-mounted high pressure silt particle separator, device adopts whole crashproof framework skid structure, described device comprises stack shell, loam cake, loam cake is fixed by gland, gland and stack shell upper end is with being threaded, loam cake is fixed a pipeline and is stretched into stack shell, the stack shell lower end is fixedly connected with a conical hopper, the centre position of stack shell tangentially has an input hole along hole wall, in the position inner barrel near input hole the spiral separation element is installed.

The track that adopts such scheme, fluid tangentially to enter behind the cylindrical shell by the spiral separation element regulation of inner barrel carries out eddy flow, relies on consequent centrifugal force and gravity to carry out gas and solid, fluid separation applications, thereby has realized the purpose of this utility model.

Below in conjunction with diagram and embodiment scheme is described in more detail.

Description of drawings

Fig. 1 is petroleum gas well head test skid-mounted high pressure silt particle separator front view;

Fig. 2 is A among Fig. 1-A sectional view;

Fig. 3 is Fig. 1 stereogram.

The specific embodiment

As shown in Figure 1, described natural gas silt particle separator comprises a stack shell 1, be the cartridge type container, it is high that the separator of present embodiment adapts to gas pressure, pressure reaches about 100Mpa, so the thickness of barrel is 165mm, stack shell has loam cake 2, has a step 3 to cooperate with the endoporus of stack shell 1, to loam cake 2 location, loam cake 2 is fixing by gland 4, and gland 4 is threaded with the upper end of stack shell, and present embodiment is that fine thread connects, the center of loam cake 2 has hole 5, an escape pipe 6 is fixed in the lower end outlet in hole, and described pipe 6 stretches into the inner chamber of stack shell 1, and first screw clamp plate 7 is fixed in the upper end outlet in hole 5.

The lower end of stack shell 1 is fixedly connected with a conical hopper 8, describedly is fixedly connected as welding, and the outside of conical hopper 8 also links to each other with four prop supports 9, as the support of whole device.

The centre position of stack shell 1 tangentially has an input hole 10 along hole wall, and as shown in Figure 2, external second screw clamp plate 11 of input hole is in order to access in case of necessity tracheae.Position near tangential input hole 10 in the cylindrical shell is equipped with spiral separation element 12; described element forms spiral flow deflector 13 with sheet metal; described blade is welded on the pipeline 14 at center; the spiral flow deflector steering current forms eddy flow; the outside of spiral flow deflector is with the guard ring formation wear resistance lining sleeve 15 that a metal is done; the inner chamber that is close to stack shell is installed, and described protection encloses the protection inner chamber and avoids the high speed silt particle and wash away and be damaged.

The connection of the stack shell 1 of present embodiment and the conical hopper 8 of bottom is all adopted and is welded to connect, owing to be pressure vessel, container designs by JB 4732-1995 " GB150-1998-analysis design standard " (affirmation version in 2005), welding process is had strict technological requirement, and the weldquality of described container should meet JB/T4730.2-2005 and JB/T4730.3-2005.

The stack shell of the silt particle eliminator of present embodiment and conical hopper and the loam cake of bottom, gland all adopts the forging manufacturing, and material is 35CrMoAIv, and its overall dimensions stack shell part height is 2m, diameter 0.8m, the about 1.2m of bearing, its transportation, installation, use are all convenient.

When described device is installed in the well site, be that described silt particle separator is installed in the crashproof frame 16, the similar sledge of crashproof frame, the skid pipeline designs by the API standard, as shown in Figure 3.

This device is because loam cake is to fix by gland, and gland is to be threaded with stack shell, so wear resistance lining sleeve 15 can in time can't harm replacing in the cylinder.

This device utilizes gravity and centrifugal force separate to remove solid phase particles, fluid tangentially enters the track of stipulating by the spiral separation element of inner barrel behind the cylindrical shell and carries out eddy flow, rely on consequent centrifugal force and gravity, solid phase particles is deposited in and flows into the device bottom sand removing hole on the conical hopper of installing the cylindrical shell bottom, and the mozzle that the fluid after separate and subside is processed is installed through device interior is discharged.

When using this device, test procedure standard operation that be according to the rules can be finished content of the test well.Sand fully can be separated from gas, avoided the damage of sand to upstream device, according to statistics, use the well site of this device can reduce by 8,000,000 yuan maintenance expense every year, good economic benefit is arranged.

Claims

1. a petroleum gas well head is tested with skid-mounted high pressure silt particle separator, it is characterized in that: device adopts whole crashproof framework skid structure, described device comprises stack shell (1), loam cake (2), loam cake is fixing by gland (4), gland and stack shell upper end is with being threaded, loam cake is fixed a pipeline and is stretched into stack shell, the stack shell lower end is fixedly connected with a conical hopper (8), the centre position of stack shell tangentially has an input hole (10) along hole wall, in the position inner barrel near input hole spiral separation element (12) is installed.

2. petroleum gas well head according to claim 1 is tested with skid-mounted high pressure silt particle separator, and it is characterized in that: gland (4) is that fine thread is connected with the upper end of stack shell (1).

3. petroleum gas well head according to claim 1 is tested with skid-mounted high pressure silt particle separator, it is characterized in that: spiral separation element (12), described element forms spiral flow deflector (13) with sheet metal, described blade is welded on the pipeline (14) at center, the outside of spiral flow deflector is with the guard ring formation wear resistance lining sleeve (15) that a metal is done, and the inner chamber that is close to stack shell is installed.

4. petroleum gas well head according to claim 1 is tested with skid-mounted high pressure silt particle separator, and it is characterized in that: described silt particle separator is installed in the crashproof frame (16).