CN2218247Y

CN2218247Y - Cellar control gate

Info

Publication number: CN2218247Y
Application number: CN 95207918
Authority: CN
Inventors: 林文政
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-04-13
Filing date: 1995-04-13
Publication date: 1996-01-24
Anticipated expiration: 2005-04-13

Abstract

The utility model relates to a flow combined valve for an oil exploitation well opening. A plurality of valves are integrated. The flow combined valve for an oil exploitation well opening has convenient installation, management, and heat preservation. A well washing valve 3, an oil and water communication valve 4, a water supply master valve 5, a pressure fixing air valve 6, a pressure fixing stop valve 7, an oil return valve 8, and a pollution discharge pressure release valve 9 are combined into an integral body by the flow combined valve for an oil exploitation well opening, wherein, communication passages (19, 16, 29) are arranged among the oil and water communication valve 4 and the valves (3, 5, 7, 8). The water supply master valve 5 is provided with a settlement pipe 14. The well washing valve 3 is provided with water mixing and well washing inlet pipes (22, 30). The oil return valve 8 is provided with an inlet pipe and an outlet pipe (10, 12). Passages (23, 26) are arranged among the valves (3, 6, 7). The flow combined valve for an oil exploitation well opening is connected with a water supply pipe on the spot. Water delivery pipes form different flow and finish various work.

Description

Production wellhead path combination valve

The utility model relates to petroleum recovering well head path combination valve.

The oil field becomes mechanical oil well along with exploitation by flowing well.In order to improve tar productivity, to the development plan of underground flooding, lift oil and improve recovery ratio by water while exploiting for the Oilfield using that has.Owing to contain wax in the oil, tie on tubing wall, for guaranteeing the ordinary production of oil well on the oil field, take multinomial measure on well head ground, could satisfy production requirement.By shown in Figure 1, the figure upper left side is a production tree, is realization oil return flow process in the double dot dash line of right side, level pressure venting flow process, and profit is communicated with flow process, the well-flushing flow process, water mixing companion thermal flow process, layout is disperseed, and floor space is big, winter, dissipated heat was many, because layout is disperseed, consumable material is many, is awkward and manages.

The purpose of this utility model is to avoid present technical deficiency part, and a kind of production wellhead path combination valve that many valves is integrated in one and can finishes multiple flow process operation is provided, and handled easily can be saved material.

It is to make that valve is loaded on one on each flow process that the purpose of this utility model is implemented, and for satisfying the needs on the different flow processs, is connected with different passages between the valve and is connected to different to go on valve, goes out pipe, can realize the design's purpose.

The utility model can have following effect than above-mentioned present technology:

Make that valve is assembled into one on each flow process of mouth of pumped oil well, for satisfying technological requirement, the mouth of pipe that different purposes are housed on ditch circulation passage and the valve is arranged between the valve, connect other pipeline on each technology at the scene, can save raw material, the convenient installation and operation also is convenient to management, also be convenient to insulation winter, also save floor occupying area in addition.

Fig. 1 is different flow processs in former oil pumper well head process chart, the two-dot chain line, the left side is a wellhead equipment;

Fig. 2 is the original flow sheet equipment figure of well head on Fig. 1;

Fig. 3 is the utility model diagrammatic sketch;

Fig. 4 is the interior combination valve diagrammatic sketch of double dot dash line on Fig. 3;

Fig. 5 is the interior combination valve vertical view of double dot dash line on Fig. 3;

Fig. 6, the 7th, B-B on Fig. 4, C-C sectional view;

Fig. 8 is the visual plane flow graph that goes out to produce oil last time, level pressure venting and water mixing flow process in the combination valve;

Fig. 9 is the visual plane flow graph that goes out oil return and well-flushing flow process in the combination valve;

Figure 10 visually in the assembled valve goes out the plane flow graph that profit is communicated with flow process.

Below in conjunction with accompanying drawing will the utility model is described in further detail.

By shown in Figure 1, various flow processs in the double dot dash line; Valve discharging gas under certain pressure is wherein arranged, level pressure stop valve, profit communicating valve, feedwater main valve, flushing valve, oil return valve and blowdown relief valve.Shown in Fig. 3 double dot dash line, the utility model is with flushing valve 3, profit communicating valve 4, and water-supply valve 5, valve discharging gas under certain pressure 6, level pressure stop valve 7, oil return valve 8 is combined in one with blowdown relief valve 9.Wherein between profit communicating valve 4 and level pressure stop valve 7, the oil return valve 8 passage 29 is arranged, as shown in Figure 7; And passage (16,19) is arranged: as shown in Figure 6 between feedwater main valve 5, the flushing valve 3.Be connected to water mixing flow process inlet tube 22 on the flushing valve 3, as shown in Figure 6; Under be connected to well-flushing flow process inlet tube 30, as shown in Figure 4.Between valve discharging gas under certain pressure 6 and the level pressure stop valve 7 passage 26 is arranged, as Fig. 6 institute, and passage 23 is arranged between the flushing valve 3, as shown in Figure 7.Be connected to sedimentation pipe 14 and water service pipe 13 between feedwater main valve 5 and the blowdown relief valve 9, as shown in Figure 4.Be connected to the inlet or outlet duct (10,12) of oil return flow process on the oil return valve 8, as shown in Figure 4.

Be connected with single valve with other pipeline again by inlet or outlet duct on the combinations thereof valve and can form the different process flow process, finish different work.(1) oil return flow process; (being shown by Fig. 8) drives valve 8 through inlet tube 10, goes into valve pocket 11 and flows out through oil return pipe 12.(2) level pressure venting flow process: (being shown by Fig. 8) drives valve 7, and control valve 6 cooperates with the casing pressure table, sets up required pressure; Gas is gone into the outlet 21 of valve 3 by the well-flushing inlet tube 30 of valve 3, and passage 23 is gone into the inlet 24 of valve 6, goes into valve pocket 25, and passage 26 is gone into the valve pocket 27 of valve 7, and through exporting 28, the oil return pipe 12 that passage 29 is gone into valve 8 flows out.(3) water mixing flow process: (being shown by Fig. 8) close valve (3,4), open valve 5 hot water go into pipe 13 through sedimentation pipe 14 usefulness blowdown relief valves 9 its foul discharge, water purification is gone into valve pocket 15, through passage 16, go into the valve pocket 17 of valve 4, passage 19 is gone into the valve pocket 20 of valve 3, water mixing inlet tube 22, the water mixing flap valve 1 of flowing through, water mixing control valve 2.(4) well-flushing flow process: (being shown by Fig. 9) drives valve (5,3), close valve (2,4,7), by inlet tube 13 through sedimentation pipe 14, go into the valve pocket 15 of valve 5, go into the valve pocket 17 of valve 4 through passage 16, go into the valve pocket 20 of valve 3 through passage 19, through exporting 21, the backspace well head is gone into oil return pipe 10 after well-flushing inlet tube 30 enters sleeve pipe ring cavity well-flushing again.(5) profit is communicated with flow process, and (by Figure 10) shows out valve 5 and valve 4; But valve 8 is Push And Release on demand, closes all the other each valves; Hot water is gone into pipe 13 and is gone into valve pocket 15 through sedimentation pipe 14, goes into the valve control 17 of valve 4 through passage 16, and through exporting 18, the flowline 12 that passage 29 is gone into valve 8 flows out.Because above-mentioned flow process is not to carry out simultaneously, so the exchange use in turn of some valve and passage.

Claims

1, a kind of production wellhead path combination valve has flushing valve (3), profit communicating valve (4), and feedwater main valve (5), valve discharging gas under certain pressure (6), level pressure stop valve (7), oil return valve (8) and blowdown relief valve (9) is characterized in that:

(1), flushing valve (3), profit communicating valve (4), feedwater total (5), valve discharging gas under certain pressure (6), level pressure stop valve (7), oil return valve (8) and blowdown relief valve (9) are combined in one;

(2), wherein have between valve (4) and the valve (3,5,7,8) water service pipe and sedimentation pipe arranged between passage (19,16,29), the valve (5,9) (13,14, be connected to water mixing on the valve (3) and go into pipe (22), under be connected on well-flushing inlet tube (30), the valve (8) and be connected to into and out of oil return pipe (10,12).