WO2000034654A1

WO2000034654A1 - Method for pumping gas-liquid mixtures and piston pump

Info

Publication number: WO2000034654A1
Application number: PCT/RU1999/000017
Authority: WO
Inventors: Vyacheslav Nikolaevich Eliseev; Jury Appolonievich Sazonov; Igor Stanislavovich Judin; Alexandr Mikhailovich Petrov
Original assignee: Vyacheslav Nikolaevich Eliseev; Jury Appolonievich Sazonov; Igor Stanislavovich Judin; Alexandr Mikhailovich Petrov
Priority date: 1998-12-08
Filing date: 1999-01-20
Publication date: 2000-06-15
Also published as: CN1295651A; EP1054155A1; RU2155276C1

Abstract

The present invention relates to a method for pumping gas-liquid mixtures and to a piston pump characterised in that a gas-liquid mixture is fed into a working chamber during the suction stroke and the compression stroke of the gas, wherein said mixture is fed through a hydraulic channel from an area located at the outlet of a discharge valve of said working chamber. The hydraulic channel is formed in the closure member of the discharge valve and comprises a separator, a filter, a throttle with adjustable hydraulic resistance as well as an insert with an axial opening and a radial opening.

Description

\ νθ 00/34654 ΡСΤ / Κυ99 / 00017

The method of pumping gas-liquid mixtures and the primary pump

The invention is available for gas and gas-liquid mixture pumping using a piston pump, in particular, for drilling, producing wells and producing oil.

Shiροκο izvesτny sποsοby nagneτaniya gazοzhidκοsτnοy mixture πορshnevym nasοsοm, sοdeρzhaschim ρabοchuyu κameρu with suction and nagneτaτelnym κlaπanami, πρi κοτοροm gazοzhidκοsτnuyu or gas mixture with a predetermined pressure izbyτοchnym vvοdyaτ neποsρedsτvennο in ρabοchuyu κameρu πορshnevοgο nasοsa. This method is described, for example, in the Second Testimony of the Soviet Union (CCC) 714044 (Ρ 04 Β 23/10, published on 02/05/80) and is designed to save gas consumption. In addition to this, for a series of installations, for example, in the case of heavy casualties, there is a risk of physical disruption to us and the general population. In this case, when handling the equipment, it is necessary to decrease the volume of the camera and reduce the length of the input and output pipes.

The problem solved by the invention is the expansion of the functional capabilities of the pump, the adaptation of the pressure pump assembly to the gas pumping (gas-liquid mixture).

A commercial result, which may be obtained in the case of the claimed method, is an increase in the efficiency of the gas processing mixture (gas liquids) ννθ 00/34654

2

A non-technical result, which may be better if the declared pump is empty, is improved reliability, reduced metal size, reduced size. Ρeshenie ποsτavlennοy problem with dοsτizheniem uκazannοgο τeχnichesκοgο ρezulτaτa οsuschesτvlyaeτsya τem, chτο sποsοb πeρeκachκi gazοzhidκοsτnyχ mixtures πορshnevym nasοsοm, sοdeρzhaschim ρabοchie κameρy with suction and nagneτaτelnymi κlaπanami, πuτem vvοda gazοzhidκοsτnοy mixture πο κρayney meρe in οdnu ρabοchuyu κameρu ποd izbyτοchnym pressure πeρiοd vyποlneniya nasοsοm τaκτa suction οbesπecheniem The flow of fluid to this working chamber, in particular, in the process of suction and compression of the gas, there is an additional flow of the gas-liquid mixture into the fluid οchuyu κameρu cheρez gidρavlichesκy κanal of zοny on vyχοde nagneτaτelnοgο κlaπana ρabοchey κameρy. Β gazοzhidκοsτnοy mixture ποdavaemοy in ρabοchuyu κameρu cheρez gidρavlichesκy κanal, οbesπechivaeτsya ποvyshennοe οbemnοe sοdeρzhanie zhidκοsτi πρi τaκτe suction ποsleduyuschim ποnizheniem οbemnοgο sοdeρzhaniya zhidκοsτi on τaκτe szhaτiya gas in ρabοchey κameρe, πρichem in gidρavlichesκοm κanale οsuschesτvlyaeτsya ρeguliροvanie ρasχοda gazοzhidκοsτnοy mixture and πlοτnοsτi on account chasτichnοy gas separation.

The aforementioned method may be implemented by a device of a new construction, in particular, with a paid distribution having the following essential differences. A working chamber, through a hydraulic channel, constantly communicates with the outlet at the outlet of the discharge valve. The hydraulic channel was installed in a foreign outlet of a pressure valve and was converted to an indirectly installed in the western part of the city, in the city of Israel

The essence of the invention is explained by figures 1 and 2, where the scheme of the device for the implementation of the method of pumping gas-liquid mixtures with the exhaust pump is described.

Β sοsτav usτροysτva, φig.1, vχοdiτ πορshnevοy nasοs, sοdeρzhaschy ρabοchuyu κameρu 1 zaποlnyaemuyu gazοzhidκοsτnοy mixture πορshen 2, 3 and the suction κlaπan nagneτaτelny κlaπan, sοsτοyaschy of zaπορnοgο ορgana saddle 4 and 5. Β zaπορnοm ορgane 4 vyποlnen gidρavlichesκy κanal 6 sοedinyayuschy zone 7 above the foreign part 4 with the working chamber 1. The foreign part is forced by the pressure valve is shown in Fig. 2. Having installed the external part of the unit 8, the optional element 9. The external part 8 is equipped with a quick outlet of 11 and the third part is 11. The filter 10 is located inside the unit 16. The adjustment of the hydraulic system is achieved due to the change in the 12th section of the device for the following:

When using the suction pump, see Fig. 1, the gas-liquid mixture from the source (is not shown in the figures) through the suction valve 3 is empty. \ νθ 00/34654

4 according to the scheme moves to the right. Particularly from zone 7, at the outlet of the discharge valve, the hydraulic channel 6 to the working chamber 1 releases a gas-liquid mixture with a high-fluid liquid. Κοntsenτρatsiya zhidκοsτi in the mixture as active mοmenτ higher due ρabοτy seπaρaτορa, usτanοvlennοgο on zaπορnοm ορgane 4 zaκρyvayuschem sedlο 5. Οτsuτsτvie tsiρκulyatsii in zazορe sedlοm between 5 and zaπορnym ορganοm 4 πρivοdiτ κ ρazgaziροvaniyu gazοzhidκοsτnοy mixture naχοdyascheysya above zaπορnοgο ορgana 4 gas malοy moreover, it rises upwards, and the liquid with a higher density accumulates in the bulk of the unit due to the power of gravity. In general, on suction through channel 6, a gas-liquid mixture flows with a higher volumetric content of the liquid fraction, that is, the mixture is higher in volume.

When the gas is being pumped out by the pump, when moving 2 to the left, as shown in Fig. 1, in working chamber 1, the gas channel 6 is in use and the gas is in use. The flow of gas in the gas-liquid mixture from Zone 7 to the working chamber 1 allows for a pressure increase in chamber 1, the pressure of the separation of the liquid and gas separation downward. With this, the process of gas discharge is accelerated through a layer of liquid in the working chamber 1, between the suction valve 3 and the partition of the liquid and gas section. Нения because of pressure, when the pressure in chamber 1 is equal to the pressure in zone 7, the discharged part 4 is raised above the seat 5, due to the strong intake of gas from the mixture. The negative valve is in the open state. Еameru ΡСΤ / ΙШ99 / 0 7

1 first throws off gas that has accumulated before the discharge valve. Further, through the gap between the exhaust unit 4 and the saddle 5, the gas-liquid mixture is displaced, due to the short-time working cycle of the complete mixture separation. At the end of the pumping process, a liquid or gas-liquid mixture with a high volumetric fluid content is displaced from the working chamber 1. A good mixture, with a higher density, fills the volume of unit 16, see figure 2. The crowding-out process is completed; the second position is located in the left-most position as agreed. The negative valve is shut down, the operating cycle is turned off.

The volume of the separator 16 at the suction is filled with a gas-liquid mixture with an increased volumetric content of liquid phase, and therefore with a higher high density. Thus, by suctioning, it will be possible to reduce the volume of gas used in the exhaust gas through the exhaust pipe 1 1, which is used in the working chamber. This means that the filling of the working chamber with a gas-liquid mixture will increase, which will pass through the suction valve. By adjusting the exhaust gas cross section 12 in section II, you can achieve an optimal production rate of the gas and liquid pumping unit. Changing the cross-sectional area of 12 can be realized, for example, by replacing part 1 1 with another size. Part 14 and radial part 15 allow the flow of the gas-liquid mixture to the solid working chamber of the pump, thereby improving the cooking conditions, thereby \ νθ 00/34654

6 Productivity of the pump. Filter 10 protects the roadway 1 1 from mechanical impurities and helps to increase the reliability of the pump as a whole.

When using a pump for gas processing together with gas through a suction valve, 3 are simultaneously supplied with liquid for a convenient gas-liquid mixture. At the same time, the whole process coincides with the one stated.

Claims

\ νθ 00/34654 ΡСΤ / ΙШ99 / 00017

Formula of the invention

ι Sπυsοb πeρeκachκi gazοzhidκοsτnyχ mixtures πορshnevym nasοsοm, sοdeρzhashim ρabοchie κameρy with suction and nagneτaτelnymi κlaπanami, πuτem vvοda gazοzhidκοsτnοy mixture πο κρayney meρe in οdnu ρabοchuyu κameρu in πeρiοd vyποlneniya nasοsοm τaκτa suction οbesπecheniem ποdachi zhidκοsτi in eτu ρabοchuyu κameρu, οτlichayuschiysya τem, chτο in χοde τaκτa suction and compression of gas, there is an additional flow of gas-liquid mixture to the working chamber through a hydraulic channel from the outlet at the outlet of the exhaust gas;

2 Sποsυb πυ π.1, υτlichayuschiysya τem, chτυ in gazυzhidκυsτnυy mixture πυdavaemυy in ρabυchuyu κameρu cheρez gidρavlichesκy κanal, υbesπechivaeτsya πυvyshennυe οbemnοe sοdeρzhanie zhidκοsτi πρi τaκτe suction ποsleduyuschim ποnizheniem οbemnυgυ sοdeρzhaniya zhidκοsτi in the mixture gas τaκτe szhaτiya in ρabοchey κameρe; h. Сποсυб πυ π.1,2, which differs in that, in the hydraulic channel, there is regulation of the gas mixture and its liquid and gas consumption due to the partial gas flow. 4 Pυρshnevυy nasυs for υsuschesτvleniya sπυsυba ηυ π.1, sυdeρzhaschy ρabυchuyu κameρu with vsasyvayushim and nagneτaτelnym κlaπanami, πορshen, isτοchniκ gazοzhidκυsτnοy mixture (gas or isτοchniκi zhidκοsτi) οτlichayuschiysya τem, chτο dοποlniτelnο οsnaschen gidρavlichesκim κanalοm, ποsτυyannυ sυυbschayuschim ρabοchuyu κameρu with zοnοy on vyχοde pressure valve; 5 The issue is π.4, which differs in that the hydraulic channel was implemented in accordance with \ νθ 00/34654 ΡСΤЛШ99 / 00017

It is installed in a separate unit, a filter, an assembly with adjustable hydraulic control and a connection with an integral and alternating output.